{
 "schema": "tierline-public-evidence-v1",
 "as_of": "2026-10-13",
 "records": [
  {
   "id": "collab.agreements",
   "label": "Signed Indigenous-community collaboration agreements",
   "value": 6,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Indigenous-community collaborations",
   "scope": "Six signed collaboration agreements: four operating archive pilots and two official partnerships in co-design.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "01"
  },
  {
   "id": "collab.operating",
   "label": "Operating archive pilots",
   "value": 4,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Indigenous-community collaborations",
   "scope": "Six signed collaboration agreements: four operating archive pilots and two official partnerships in co-design.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "01"
  },
  {
   "id": "collab.codesign",
   "label": "Official partnerships in co-design",
   "value": 2,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Indigenous-community collaborations",
   "scope": "Six signed collaboration agreements: four operating archive pilots and two official partnerships in co-design.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "01"
  },
  {
   "id": "collab.collections",
   "label": "Community-governed collections, each with a documented permission policy",
   "value": 8,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Indigenous-community collaborations",
   "scope": "Six signed collaboration agreements: four operating archive pilots and two official partnerships in co-design.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "01"
  },
  {
   "id": "collab.language_pilots",
   "label": "Active Indigenous-language preservation and retrieval pilots",
   "value": 3,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Indigenous-community collaborations",
   "scope": "Six signed collaboration agreements: four operating archive pilots and two official partnerships in co-design.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "01"
  },
  {
   "id": "collab.coordinators",
   "label": "Community-side project coordinators, one for each collaboration",
   "value": 6,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Indigenous-community collaborations",
   "scope": "Six signed collaboration agreements: four operating archive pilots and two official partnerships in co-design.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "01"
  },
  {
   "id": "collab.stewards",
   "label": "Community-approved stewards and reviewers",
   "value": 12,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Indigenous-community collaborations",
   "scope": "Six signed collaboration agreements: four operating archive pilots and two official partnerships in co-design.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "01"
  },
  {
   "id": "collab.agreements_deployment",
   "label": "Written community-approved deployment agreements",
   "value": 4,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Indigenous-community collaborations",
   "scope": "Six signed collaboration agreements: four operating archive pilots and two official partnerships in co-design.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "01"
  },
  {
   "id": "collab.summaries",
   "label": "Community-approved collaboration summaries available for potential public attribution",
   "value": 6,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Indigenous-community collaborations",
   "scope": "Six signed collaboration agreements: four operating archive pilots and two official partnerships in co-design.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "01"
  },
  {
   "id": "holdings.audio_hours",
   "label": "Archival audio ingested into governed collections",
   "value": 2184.1,
   "unit": "h",
   "numerator": null,
   "denominator": null,
   "program": "Operating archive pilots",
   "scope": "The four operating, community-governed archive pilots. Holdings are ingested, cataloged and indexed material managed under collection-specific access rules in the four operating pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "02"
  },
  {
   "id": "holdings.digitized_hours",
   "label": "Audio digitized from analog media as part of the projects",
   "value": 691.4,
   "unit": "h",
   "numerator": null,
   "denominator": null,
   "program": "Operating archive pilots",
   "scope": "The four operating, community-governed archive pilots. Holdings are ingested, cataloged and indexed material managed under collection-specific access rules in the four operating pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "02"
  },
  {
   "id": "holdings.imported_hours",
   "label": "Audio imported from already-digitized authorized collections",
   "value": 1492.7,
   "unit": "h",
   "numerator": null,
   "denominator": null,
   "program": "Operating archive pilots",
   "scope": "The four operating, community-governed archive pilots. Holdings are ingested, cataloged and indexed material managed under collection-specific access rules in the four operating pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "02"
  },
  {
   "id": "holdings.recordings",
   "label": "Individual audio recordings cataloged",
   "value": 1438,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Operating archive pilots",
   "scope": "The four operating, community-governed archive pilots. Holdings are ingested, cataloged and indexed material managed under collection-specific access rules in the four operating pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "02"
  },
  {
   "id": "holdings.pages",
   "label": "Historical document pages indexed",
   "value": 17382,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Operating archive pilots",
   "scope": "The four operating, community-governed archive pilots. Holdings are ingested, cataloged and indexed material managed under collection-specific access rules in the four operating pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "02"
  },
  {
   "id": "holdings.images",
   "label": "Historical photographs and images cataloged",
   "value": 9819,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Operating archive pilots",
   "scope": "The four operating, community-governed archive pilots. Holdings are ingested, cataloged and indexed material managed under collection-specific access rules in the four operating pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "02"
  },
  {
   "id": "holdings.page_image_assets",
   "label": "Page and image assets, separate from the audio count",
   "value": 27201,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Operating archive pilots",
   "scope": "The four operating, community-governed archive pilots. Holdings are ingested, cataloged and indexed material managed under collection-specific access rules in the four operating pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "02"
  },
  {
   "id": "holdings.indigenous_language_hours",
   "label": "Identified Indigenous-language audio within the multilingual collections",
   "value": 186.8,
   "unit": "h",
   "numerator": null,
   "denominator": null,
   "program": "Operating archive pilots",
   "scope": "The four operating, community-governed archive pilots. Holdings are ingested, cataloged and indexed material managed under collection-specific access rules in the four operating pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "02"
  },
  {
   "id": "access.public_hours",
   "label": "Audio approved for public playback",
   "value": 312.4,
   "unit": "h",
   "numerator": null,
   "denominator": null,
   "program": "Operating archive pilots",
   "scope": "The four operating, community-governed archive pilots. Holdings are ingested, cataloged and indexed material managed under collection-specific access rules in the four operating pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "02"
  },
  {
   "id": "access.authenticated_hours",
   "label": "Audio limited to authenticated, community-approved access",
   "value": 1411.6,
   "unit": "h",
   "numerator": null,
   "denominator": null,
   "program": "Operating archive pilots",
   "scope": "The four operating, community-governed archive pilots. Holdings are ingested, cataloged and indexed material managed under collection-specific access rules in the four operating pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "02"
  },
  {
   "id": "access.steward_hours",
   "label": "Audio under more restrictive steward-controlled access",
   "value": 460.1,
   "unit": "h",
   "numerator": null,
   "denominator": null,
   "program": "Operating archive pilots",
   "scope": "The four operating, community-governed archive pilots. Holdings are ingested, cataloged and indexed material managed under collection-specific access rules in the four operating pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "02"
  },
  {
   "id": "discovery.cited_records",
   "label": "Archival records with reviewed source citations and contextual metadata",
   "value": 3647,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Operating archive pilots",
   "scope": "The four operating, community-governed archive pilots. Holdings are ingested, cataloged and indexed material managed under collection-specific access rules in the four operating pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "02"
  },
  {
   "id": "discovery.linked_entities",
   "label": "Names, places, subjects or themes linked to their source documents",
   "value": 1926,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Operating archive pilots",
   "scope": "The four operating, community-governed archive pilots. Holdings are ingested, cataloged and indexed material managed under collection-specific access rules in the four operating pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "02"
  },
  {
   "id": "discovery.validated_excerpts",
   "label": "Previously difficult-to-find excerpts located and validated by authorized reviewers",
   "value": 213,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Operating archive pilots",
   "scope": "The four operating, community-governed archive pilots. Holdings are ingested, cataloged and indexed material managed under collection-specific access rules in the four operating pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "02"
  },
  {
   "id": "discovery.excerpts_in_collections",
   "label": "Reviewed excerpts incorporated into community-approved educational or research collections",
   "value": 94,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Operating archive pilots",
   "scope": "The four operating, community-governed archive pilots. Holdings are ingested, cataloged and indexed material managed under collection-specific access rules in the four operating pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "02"
  },
  {
   "id": "discovery.contextualized_oral_histories",
   "label": "Oral-history recordings newly contextualized through community review",
   "value": 46,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Operating archive pilots",
   "scope": "The four operating, community-governed archive pilots. Holdings are ingested, cataloged and indexed material managed under collection-specific access rules in the four operating pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "02"
  },
  {
   "id": "discovery.learning_modules",
   "label": "Completed community-approved learning modules incorporating archival evidence",
   "value": 7,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Operating archive pilots",
   "scope": "The four operating, community-governed archive pilots. Holdings are ingested, cataloged and indexed material managed under collection-specific access rules in the four operating pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "02"
  },
  {
   "id": "use.onboarded",
   "label": "Authorized people onboarded across the four pilots",
   "value": 137,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Community use",
   "scope": "Authorized people across the four operating pilots.",
   "period": "A measured 90-day period",
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "use.active",
   "label": "Active users in the measured 90-day period",
   "value": 82,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Community use",
   "scope": "Authorized people across the four operating pilots.",
   "period": "A measured 90-day period",
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "use.active_stewards",
   "label": "Archival stewards",
   "value": 22,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Community use",
   "scope": "Authorized people across the four operating pilots.",
   "period": "A measured 90-day period",
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "use.active_educators",
   "label": "Educators",
   "value": 18,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Community use",
   "scope": "Authorized people across the four operating pilots.",
   "period": "A measured 90-day period",
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "use.active_researchers",
   "label": "Approved community researchers or learners",
   "value": 42,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Community use",
   "scope": "Authorized people across the four operating pilots.",
   "period": "A measured 90-day period",
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "use.training_sessions",
   "label": "Community training sessions delivered",
   "value": 11,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Community use",
   "scope": "Authorized people across the four operating pilots.",
   "period": "A measured 90-day period",
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "use.case_studies",
   "label": "Completed, partner-approved impact case studies",
   "value": 3,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Community use",
   "scope": "Authorized people across the four operating pilots.",
   "period": "A measured 90-day period",
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "study.participants",
   "label": "Compensated study participants",
   "value": 36,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Comparative archival-search study",
   "scope": "A structured usability study with 36 compensated participants: 288 archival-search tasks, 144 with Tierline and 144 with the existing archival workflow.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "study.tasks",
   "label": "Evaluated archival-search tasks",
   "value": 288,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Comparative archival-search study",
   "scope": "A structured usability study with 36 compensated participants: 288 archival-search tasks, 144 with Tierline and 144 with the existing archival workflow.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "study.tasks_tierline",
   "label": "Tasks performed with Tierline",
   "value": 144,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Comparative archival-search study",
   "scope": "A structured usability study with 36 compensated participants: 288 archival-search tasks, 144 with Tierline and 144 with the existing archival workflow.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "study.tasks_prior",
   "label": "Tasks performed with the existing archival workflow",
   "value": 144,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Comparative archival-search study",
   "scope": "A structured usability study with 36 compensated participants: 288 archival-search tasks, 144 with Tierline and 144 with the existing archival workflow.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "study.median_tierline",
   "label": "Median passage-location time with Tierline",
   "value": 5.7,
   "unit": "min",
   "numerator": null,
   "denominator": null,
   "program": "Comparative archival-search study",
   "scope": "A structured usability study with 36 compensated participants: 288 archival-search tasks, 144 with Tierline and 144 with the existing archival workflow.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "study.median_prior",
   "label": "Median passage-location time with the prior workflow",
   "value": 13.4,
   "unit": "min",
   "numerator": null,
   "denominator": null,
   "program": "Comparative archival-search study",
   "scope": "A structured usability study with 36 compensated participants: 288 archival-search tasks, 144 with Tierline and 144 with the existing archival workflow.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "study.time_reduction",
   "label": "Reduction in median passage-location time",
   "value": 57.46,
   "unit": "%",
   "numerator": null,
   "denominator": null,
   "program": "Comparative archival-search study",
   "scope": "A structured usability study with 36 compensated participants: 288 archival-search tasks, 144 with Tierline and 144 with the existing archival workflow.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "study.success_tierline",
   "label": "Task success with Tierline",
   "value": 85.42,
   "unit": "%",
   "numerator": 123,
   "denominator": 144,
   "program": "Comparative archival-search study",
   "scope": "A structured usability study with 36 compensated participants: 288 archival-search tasks, 144 with Tierline and 144 with the existing archival workflow.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "study.success_prior",
   "label": "Task success with the prior workflow",
   "value": 69.44,
   "unit": "%",
   "numerator": 100,
   "denominator": 144,
   "program": "Comparative archival-search study",
   "scope": "A structured usability study with 36 compensated participants: 288 archival-search tasks, 144 with Tierline and 144 with the existing archival workflow.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "study.success_gain",
   "label": "Difference in task success",
   "value": 15.98,
   "unit": "pp",
   "numerator": null,
   "denominator": null,
   "program": "Comparative archival-search study",
   "scope": "A structured usability study with 36 compensated participants: 288 archival-search tasks, 144 with Tierline and 144 with the existing archival workflow.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "verify.candidates",
   "label": "Candidate passage matches submitted for human verification",
   "value": 281,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Human verification of candidate passages",
   "scope": "Candidate passage matches submitted to authorized human reviewers in the pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "verify.accepted",
   "label": "Accepted by reviewers",
   "value": 213,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Human verification of candidate passages",
   "scope": "Candidate passage matches submitted to authorized human reviewers in the pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "verify.rejected",
   "label": "Rejected by reviewers",
   "value": 68,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Human verification of candidate passages",
   "scope": "Candidate passage matches submitted to authorized human reviewers in the pilots.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "03"
  },
  {
   "id": "eval.queries",
   "label": "Held-out evaluation queries",
   "value": 1057,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Held-out speech retrieval evaluation",
   "scope": "1,057 held-out queries across three evaluated speech collections: 826 positive queries with independently reviewed reference passages and 231 no-match queries. 18 held-out speakers across 52 recording sessions, with speaker separation where applicable.",
   "period": null,
   "conditions": "Hit@k is computed over the 826 positive queries. The no-match acceptance threshold was fixed before test evaluation. Collection-level results were evaluated alongside the combined score. Baselines were compared under identical evaluation splits.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "eval.positive",
   "label": "Positive queries with independently reviewed reference passages",
   "value": 826,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Held-out speech retrieval evaluation",
   "scope": "1,057 held-out queries across three evaluated speech collections: 826 positive queries with independently reviewed reference passages and 231 no-match queries. 18 held-out speakers across 52 recording sessions, with speaker separation where applicable.",
   "period": null,
   "conditions": "Hit@k is computed over the 826 positive queries. The no-match acceptance threshold was fixed before test evaluation. Collection-level results were evaluated alongside the combined score. Baselines were compared under identical evaluation splits.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "eval.nomatch",
   "label": "No-match queries testing false-positive behavior",
   "value": 231,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Held-out speech retrieval evaluation",
   "scope": "1,057 held-out queries across three evaluated speech collections: 826 positive queries with independently reviewed reference passages and 231 no-match queries. 18 held-out speakers across 52 recording sessions, with speaker separation where applicable.",
   "period": null,
   "conditions": "Hit@k is computed over the 826 positive queries. The no-match acceptance threshold was fixed before test evaluation. Collection-level results were evaluated alongside the combined score. Baselines were compared under identical evaluation splits.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "eval.collections",
   "label": "Evaluated speech collections",
   "value": 3,
   "unit": "count",
   "numerator": null,
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   "program": "Held-out speech retrieval evaluation",
   "scope": "1,057 held-out queries across three evaluated speech collections: 826 positive queries with independently reviewed reference passages and 231 no-match queries. 18 held-out speakers across 52 recording sessions, with speaker separation where applicable.",
   "period": null,
   "conditions": "Hit@k is computed over the 826 positive queries. The no-match acceptance threshold was fixed before test evaluation. Collection-level results were evaluated alongside the combined score. Baselines were compared under identical evaluation splits.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "eval.speakers",
   "label": "Held-out speakers",
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   "unit": "count",
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   "denominator": null,
   "program": "Held-out speech retrieval evaluation",
   "scope": "1,057 held-out queries across three evaluated speech collections: 826 positive queries with independently reviewed reference passages and 231 no-match queries. 18 held-out speakers across 52 recording sessions, with speaker separation where applicable.",
   "period": null,
   "conditions": "Hit@k is computed over the 826 positive queries. The no-match acceptance threshold was fixed before test evaluation. Collection-level results were evaluated alongside the combined score. Baselines were compared under identical evaluation splits.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "eval.sessions",
   "label": "Recording sessions of the held-out speakers",
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   "unit": "count",
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   "program": "Held-out speech retrieval evaluation",
   "scope": "1,057 held-out queries across three evaluated speech collections: 826 positive queries with independently reviewed reference passages and 231 no-match queries. 18 held-out speakers across 52 recording sessions, with speaker separation where applicable.",
   "period": null,
   "conditions": "Hit@k is computed over the 826 positive queries. The no-match acceptance threshold was fixed before test evaluation. Collection-level results were evaluated alongside the combined score. Baselines were compared under identical evaluation splits.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "eval.hit1",
   "label": "Hit@1: a correct match ranked first",
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   "unit": "%",
   "numerator": 601,
   "denominator": 826,
   "program": "Held-out speech retrieval evaluation",
   "scope": "1,057 held-out queries across three evaluated speech collections: 826 positive queries with independently reviewed reference passages and 231 no-match queries. 18 held-out speakers across 52 recording sessions, with speaker separation where applicable.",
   "period": null,
   "conditions": "Hit@k is computed over the 826 positive queries. The no-match acceptance threshold was fixed before test evaluation. Collection-level results were evaluated alongside the combined score. Baselines were compared under identical evaluation splits.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "eval.hit5",
   "label": "Hit@5: a correct match within the top five results",
   "value": 83.29,
   "unit": "%",
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   "denominator": 826,
   "program": "Held-out speech retrieval evaluation",
   "scope": "1,057 held-out queries across three evaluated speech collections: 826 positive queries with independently reviewed reference passages and 231 no-match queries. 18 held-out speakers across 52 recording sessions, with speaker separation where applicable.",
   "period": null,
   "conditions": "Hit@k is computed over the 826 positive queries. The no-match acceptance threshold was fixed before test evaluation. Collection-level results were evaluated alongside the combined score. Baselines were compared under identical evaluation splits.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "eval.hit10",
   "label": "Hit@10: a correct match within the top ten results",
   "value": 88.98,
   "unit": "%",
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   "denominator": 826,
   "program": "Held-out speech retrieval evaluation",
   "scope": "1,057 held-out queries across three evaluated speech collections: 826 positive queries with independently reviewed reference passages and 231 no-match queries. 18 held-out speakers across 52 recording sessions, with speaker separation where applicable.",
   "period": null,
   "conditions": "Hit@k is computed over the 826 positive queries. The no-match acceptance threshold was fixed before test evaluation. Collection-level results were evaluated alongside the combined score. Baselines were compared under identical evaluation splits.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "eval.hit5_ci_low",
   "label": "Hit@5, 95% speaker-cluster bootstrap interval, lower bound",
   "value": 79.4,
   "unit": "%",
   "numerator": null,
   "denominator": null,
   "program": "Held-out speech retrieval evaluation",
   "scope": "1,057 held-out queries across three evaluated speech collections: 826 positive queries with independently reviewed reference passages and 231 no-match queries. 18 held-out speakers across 52 recording sessions, with speaker separation where applicable.",
   "period": null,
   "conditions": "Hit@k is computed over the 826 positive queries. The no-match acceptance threshold was fixed before test evaluation. Collection-level results were evaluated alongside the combined score. Baselines were compared under identical evaluation splits.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "eval.hit5_ci_high",
   "label": "Hit@5, 95% speaker-cluster bootstrap interval, upper bound",
   "value": 86.7,
   "unit": "%",
   "numerator": null,
   "denominator": null,
   "program": "Held-out speech retrieval evaluation",
   "scope": "1,057 held-out queries across three evaluated speech collections: 826 positive queries with independently reviewed reference passages and 231 no-match queries. 18 held-out speakers across 52 recording sessions, with speaker separation where applicable.",
   "period": null,
   "conditions": "Hit@k is computed over the 826 positive queries. The no-match acceptance threshold was fixed before test evaluation. Collection-level results were evaluated alongside the combined score. Baselines were compared under identical evaluation splits.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "eval.cross_speaker_hit5",
   "label": "Cross-speaker Hit@5: the query and its reference spoken by different people",
   "value": 72.3,
   "unit": "%",
   "numerator": 201,
   "denominator": 278,
   "program": "Held-out speech retrieval evaluation",
   "scope": "1,057 held-out queries across three evaluated speech collections: 826 positive queries with independently reviewed reference passages and 231 no-match queries. 18 held-out speakers across 52 recording sessions, with speaker separation where applicable.",
   "period": null,
   "conditions": "Hit@k is computed over the 826 positive queries. The no-match acceptance threshold was fixed before test evaluation. Collection-level results were evaluated alongside the combined score. Baselines were compared under identical evaluation splits.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "eval.false_accept",
   "label": "False-accept rate on no-match queries",
   "value": 3.46,
   "unit": "%",
   "numerator": 8,
   "denominator": 231,
   "program": "Held-out speech retrieval evaluation",
   "scope": "1,057 held-out queries across three evaluated speech collections: 826 positive queries with independently reviewed reference passages and 231 no-match queries. 18 held-out speakers across 52 recording sessions, with speaker separation where applicable.",
   "period": null,
   "conditions": "Hit@k is computed over the 826 positive queries. The no-match acceptance threshold was fixed before test evaluation. Collection-level results were evaluated alongside the combined score. Baselines were compared under identical evaluation splits.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "eval.baseline_mfcc_dtw",
   "label": "MFCC-DTW baseline, Hit@5",
   "value": 55.69,
   "unit": "%",
   "numerator": 460,
   "denominator": 826,
   "program": "Held-out speech retrieval evaluation",
   "scope": "1,057 held-out queries across three evaluated speech collections: 826 positive queries with independently reviewed reference passages and 231 no-match queries. 18 held-out speakers across 52 recording sessions, with speaker separation where applicable.",
   "period": null,
   "conditions": "Hit@k is computed over the 826 positive queries. The no-match acceptance threshold was fixed before test evaluation. Collection-level results were evaluated alongside the combined score. Baselines were compared under identical evaluation splits.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "eval.baseline_frozen_xlsr",
   "label": "Frozen XLS-R embedding baseline, Hit@5",
   "value": 72.52,
   "unit": "%",
   "numerator": 599,
   "denominator": 826,
   "program": "Held-out speech retrieval evaluation",
   "scope": "1,057 held-out queries across three evaluated speech collections: 826 positive queries with independently reviewed reference passages and 231 no-match queries. 18 held-out speakers across 52 recording sessions, with speaker separation where applicable.",
   "period": null,
   "conditions": "Hit@k is computed over the 826 positive queries. The no-match acceptance threshold was fixed before test evaluation. Collection-level results were evaluated alongside the combined score. Baselines were compared under identical evaluation splits.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "eval.gain_vs_frozen",
   "label": "Tierline Hit@5 above the frozen XLS-R baseline",
   "value": 10.77,
   "unit": "pp",
   "numerator": null,
   "denominator": null,
   "program": "Held-out speech retrieval evaluation",
   "scope": "1,057 held-out queries across three evaluated speech collections: 826 positive queries with independently reviewed reference passages and 231 no-match queries. 18 held-out speakers across 52 recording sessions, with speaker separation where applicable.",
   "period": null,
   "conditions": "Hit@k is computed over the 826 positive queries. The no-match acceptance threshold was fixed before test evaluation. Collection-level results were evaluated alongside the combined score. Baselines were compared under identical evaluation splits.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "eval.baseline_configs",
   "label": "Baseline model configurations compared under identical evaluation splits",
   "value": 4,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Research, publication and external review",
   "scope": "Research outputs, contributions and reviews.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "08"
  },
  {
   "id": "robust.noise",
   "label": "Background noise",
   "value": 74.7,
   "unit": "%",
   "numerator": null,
   "denominator": null,
   "program": "Retrieval under degraded audio",
   "scope": "Six simulated degradation conditions, applied with reproducible transformations and evaluated on the same held-out query set.",
   "period": null,
   "conditions": "Hit@5 per condition.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "robust.compression",
   "label": "Lossy compression",
   "value": 78.69,
   "unit": "%",
   "numerator": null,
   "denominator": null,
   "program": "Retrieval under degraded audio",
   "scope": "Six simulated degradation conditions, applied with reproducible transformations and evaluated on the same held-out query set.",
   "period": null,
   "conditions": "Hit@5 per condition.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "robust.reverb",
   "label": "Reverberation",
   "value": 73.0,
   "unit": "%",
   "numerator": null,
   "denominator": null,
   "program": "Retrieval under degraded audio",
   "scope": "Six simulated degradation conditions, applied with reproducible transformations and evaluated on the same held-out query set.",
   "period": null,
   "conditions": "Hit@5 per condition.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "robust.clipping",
   "label": "Clipped audio",
   "value": 69.85,
   "unit": "%",
   "numerator": null,
   "denominator": null,
   "program": "Retrieval under degraded audio",
   "scope": "Six simulated degradation conditions, applied with reproducible transformations and evaluated on the same held-out query set.",
   "period": null,
   "conditions": "Hit@5 per condition.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "robust.dropout",
   "label": "Audio dropout",
   "value": 66.71,
   "unit": "%",
   "numerator": null,
   "denominator": null,
   "program": "Retrieval under degraded audio",
   "scope": "Six simulated degradation conditions, applied with reproducible transformations and evaluated on the same held-out query set.",
   "period": null,
   "conditions": "Hit@5 per condition.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "robust.stretch",
   "label": "Time stretching",
   "value": 71.91,
   "unit": "%",
   "numerator": null,
   "denominator": null,
   "program": "Retrieval under degraded audio",
   "scope": "Six simulated degradation conditions, applied with reproducible transformations and evaluated on the same held-out query set.",
   "period": null,
   "conditions": "Hit@5 per condition.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "index.windows",
   "label": "Indexed coarse speech windows",
   "value": 3271840,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Approximate versus exact search",
   "scope": "3,271,840 indexed coarse speech windows across the evaluated collections; a 500-candidate configuration with permission-aware HNSW search and bounded reranking.",
   "period": null,
   "conditions": "Candidate-set Recall@500 relative to exact Flat search, under a separately defined eligible-index benchmark.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "index.candidates",
   "label": "Candidates retrieved per query before reranking",
   "value": 500,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Approximate versus exact search",
   "scope": "3,271,840 indexed coarse speech windows across the evaluated collections; a 500-candidate configuration with permission-aware HNSW search and bounded reranking.",
   "period": null,
   "conditions": "Candidate-set Recall@500 relative to exact Flat search, under a separately defined eligible-index benchmark.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "index.recall500",
   "label": "Mean candidate-set Recall@500, approximate against exact search",
   "value": 99.04,
   "unit": "%",
   "numerator": null,
   "denominator": null,
   "program": "Approximate versus exact search",
   "scope": "3,271,840 indexed coarse speech windows across the evaluated collections; a 500-candidate configuration with permission-aware HNSW search and bounded reranking.",
   "period": null,
   "conditions": "Candidate-set Recall@500 relative to exact Flat search, under a separately defined eligible-index benchmark.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "latency.p50",
   "label": "Median query latency",
   "value": 0.92,
   "unit": "s",
   "numerator": null,
   "denominator": null,
   "program": "Query latency",
   "scope": "End-to-end query latency of the retrieval configuration above.",
   "period": null,
   "conditions": "Measured on a declared GPU-equipped reference workstation. The browser search on this site is a separate, smaller matcher.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "latency.p95",
   "label": "95th-percentile query latency",
   "value": 2.71,
   "unit": "s",
   "numerator": null,
   "denominator": null,
   "program": "Query latency",
   "scope": "End-to-end query latency of the retrieval configuration above.",
   "period": null,
   "conditions": "Measured on a declared GPU-equipped reference workstation. The browser search on this site is a separate, smaller matcher.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "latency.p99",
   "label": "99th-percentile query latency",
   "value": 3.89,
   "unit": "s",
   "numerator": null,
   "denominator": null,
   "program": "Query latency",
   "scope": "End-to-end query latency of the retrieval configuration above.",
   "period": null,
   "conditions": "Measured on a declared GPU-equipped reference workstation. The browser search on this site is a separate, smaller matcher.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "storage.dimensions",
   "label": "Dimensions of each compressed speech embedding",
   "value": 256,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Storage and memory",
   "scope": "256-dimensional compressed speech embeddings.",
   "period": null,
   "conditions": "Raw vector payload: int8 against float32. Full-index memory: a controlled SQ8-versus-float32 HNSW comparison.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "storage.payload_reduction",
   "label": "Raw vector payload saved, int8 against float32",
   "value": 75,
   "unit": "%",
   "numerator": null,
   "denominator": null,
   "program": "Storage and memory",
   "scope": "256-dimensional compressed speech embeddings.",
   "period": null,
   "conditions": "Raw vector payload: int8 against float32. Full-index memory: a controlled SQ8-versus-float32 HNSW comparison.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "storage.memory_reduction",
   "label": "Full-index memory saved, SQ8 against float32 HNSW",
   "value": 63.4,
   "unit": "%",
   "numerator": null,
   "denominator": null,
   "program": "Storage and memory",
   "scope": "256-dimensional compressed speech embeddings.",
   "period": null,
   "conditions": "Raw vector payload: int8 against float32. Full-index memory: a controlled SQ8-versus-float32 HNSW comparison.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "repro.executions",
   "label": "Reproducible benchmark executions with matching metric outputs and source-bound configuration records",
   "value": 2,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Reproducibility and validation",
   "scope": "Benchmark executions, their configuration records and their review.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "04"
  },
  {
   "id": "gov.collections",
   "label": "Independently governed collections, each with a documented permission policy",
   "value": 8,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Governance, privacy and reliability",
   "scope": "Collection governance in the pilots and controlled tests of permissions, revocation and withdrawal.",
   "period": null,
   "conditions": "Access-control and revocation results hold within the defined test environment, at the application level.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "05"
  },
  {
   "id": "gov.admin_authority",
   "label": "Deployments with designated community-side administrative authority",
   "value": 4,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Governance, privacy and reliability",
   "scope": "Collection governance in the pilots and controlled tests of permissions, revocation and withdrawal.",
   "period": null,
   "conditions": "Access-control and revocation results hold within the defined test environment, at the application level.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "05"
  },
  {
   "id": "gov.private_hosted",
   "label": "Privately hosted or local-first deployments",
   "value": 3,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Governance, privacy and reliability",
   "scope": "Collection governance in the pilots and controlled tests of permissions, revocation and withdrawal.",
   "period": null,
   "conditions": "Access-control and revocation results hold within the defined test environment, at the application level.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "05"
  },
  {
   "id": "gov.remote_operated",
   "label": "Institution-approved remotely operated deployment",
   "value": 1,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Governance, privacy and reliability",
   "scope": "Collection governance in the pilots and controlled tests of permissions, revocation and withdrawal.",
   "period": null,
   "conditions": "Access-control and revocation results hold within the defined test environment, at the application level.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "05"
  },
  {
   "id": "gov.asset_authorization",
   "label": "Ingested recording assets linked to documented access authorization in the pilot audit",
   "value": 100,
   "unit": "%",
   "numerator": null,
   "denominator": null,
   "program": "Governance, privacy and reliability",
   "scope": "Collection governance in the pilots and controlled tests of permissions, revocation and withdrawal.",
   "period": null,
   "conditions": "Access-control and revocation results hold within the defined test environment, at the application level.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "05"
  },
  {
   "id": "gov.adversarial_cases",
   "label": "Automated adversarial access-control cases executed",
   "value": 12486,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Governance, privacy and reliability",
   "scope": "Collection governance in the pilots and controlled tests of permissions, revocation and withdrawal.",
   "period": null,
   "conditions": "Access-control and revocation results hold within the defined test environment, at the application level.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "05"
  },
  {
   "id": "gov.unauthorized_disclosures",
   "label": "Unauthorized disclosures observed across those cases",
   "value": 0,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Governance, privacy and reliability",
   "scope": "Collection governance in the pilots and controlled tests of permissions, revocation and withdrawal.",
   "period": null,
   "conditions": "Access-control and revocation results hold within the defined test environment, at the application level.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "05"
  },
  {
   "id": "gov.revocation_exercises",
   "label": "Controlled revocation and withdrawal exercises, including attempts to use stale indexes or cached results",
   "value": 27,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Governance, privacy and reliability",
   "scope": "Collection governance in the pilots and controlled tests of permissions, revocation and withdrawal.",
   "period": null,
   "conditions": "Access-control and revocation results hold within the defined test environment, at the application level.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "05"
  },
  {
   "id": "gov.revoked_denied",
   "label": "Tested revoked-access cases denied subsequent application-level retrieval",
   "value": 100,
   "unit": "%",
   "numerator": null,
   "denominator": null,
   "program": "Governance, privacy and reliability",
   "scope": "Collection governance in the pilots and controlled tests of permissions, revocation and withdrawal.",
   "period": null,
   "conditions": "Access-control and revocation results hold within the defined test environment, at the application level.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "05"
  },
  {
   "id": "gov.stewardship_agreements",
   "label": "Signed data-stewardship and deployment agreements",
   "value": 4,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Governance, privacy and reliability",
   "scope": "Collection governance in the pilots and controlled tests of permissions, revocation and withdrawal.",
   "period": null,
   "conditions": "Access-control and revocation results hold within the defined test environment, at the application level.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "05"
  },
  {
   "id": "gov.external_training",
   "label": "Community recordings used for external model training without separate express authorization",
   "value": 0,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Governance, privacy and reliability",
   "scope": "Collection governance in the pilots and controlled tests of permissions, revocation and withdrawal.",
   "period": null,
   "conditions": "Access-control and revocation results hold within the defined test environment, at the application level.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "05"
  },
  {
   "id": "gov.preservation_procedures",
   "label": "Documented preservation and recovery procedures, each with a named responsible operator",
   "value": 8,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Governance, privacy and reliability",
   "scope": "Collection governance in the pilots and controlled tests of permissions, revocation and withdrawal.",
   "period": null,
   "conditions": "Access-control and revocation results hold within the defined test environment, at the application level.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "05"
  },
  {
   "id": "availability.uptime",
   "label": "Measured service availability",
   "value": 99.71,
   "unit": "%",
   "numerator": null,
   "denominator": null,
   "program": "Service availability",
   "scope": "The one institution-approved remotely operated pilot.",
   "period": "An 87-day monitoring period",
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "05"
  },
  {
   "id": "availability.days",
   "label": "Monitoring period",
   "value": 87,
   "unit": "days",
   "numerator": null,
   "denominator": null,
   "program": "Service availability",
   "scope": "The one institution-approved remotely operated pilot.",
   "period": "An 87-day monitoring period",
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "05"
  },
  {
   "id": "fin.received",
   "label": "Directly managed donations and sponsorships",
   "value": 57890,
   "unit": "USD",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
   "conditions": "The grant proposal is a budget, not an awarded amount.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.received_individual",
   "label": "Individual donations",
   "value": 18760,
   "unit": "USD",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
   "conditions": "The grant proposal is a budget, not an awarded amount.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.received_philanthropic",
   "label": "Philanthropic contributions",
   "value": 27500,
   "unit": "USD",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
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   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.received_sponsorship",
   "label": "Corporate or institutional sponsorships",
   "value": 11630,
   "unit": "USD",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
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   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.spent",
   "label": "Direct spending",
   "value": 42310,
   "unit": "USD",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
   "conditions": "The grant proposal is a budget, not an awarded amount.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.balance",
   "label": "Direct balance",
   "value": 15580,
   "unit": "USD",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
   "conditions": "The grant proposal is a budget, not an awarded amount.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.inkind",
   "label": "In-kind support",
   "value": 28560,
   "unit": "USD",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
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   "period": null,
   "conditions": "The grant proposal is a budget, not an awarded amount.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.inkind_computing",
   "label": "Donated computing and infrastructure",
   "value": 9600,
   "unit": "USD",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
   "conditions": "The grant proposal is a budget, not an awarded amount.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.inkind_digitization",
   "label": "Contributed archival digitization expertise",
   "value": 12960,
   "unit": "USD",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
   "conditions": "The grant proposal is a budget, not an awarded amount.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.inkind_assistance",
   "label": "Documented technical and research assistance",
   "value": 6000,
   "unit": "USD",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
   "conditions": "The grant proposal is a budget, not an awarded amount.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.proposal",
   "label": "Partner-led grant proposal budget",
   "value": 132740,
   "unit": "USD",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
   "conditions": "The grant proposal is a budget, not an awarded amount.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.proposal_staff",
   "label": "Tribal archival staff and community cultural review",
   "value": 47260,
   "unit": "USD",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
   "conditions": "The grant proposal is a budget, not an awarded amount.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.proposal_digitization",
   "label": "Digitization and equipment",
   "value": 28470,
   "unit": "USD",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
   "conditions": "The grant proposal is a budget, not an awarded amount.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.proposal_tierline",
   "label": "Tierline technical integration and deployment support",
   "value": 26380,
   "unit": "USD",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
   "conditions": "The grant proposal is a budget, not an awarded amount.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.proposal_storage",
   "label": "Preservation storage and backups",
   "value": 10650,
   "unit": "USD",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
   "conditions": "The grant proposal is a budget, not an awarded amount.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.proposal_training",
   "label": "Training, compensation of study participants, and accessibility",
   "value": 8940,
   "unit": "USD",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
   "conditions": "The grant proposal is a budget, not an awarded amount.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.proposal_evaluation",
   "label": "Independent technical and usability evaluation",
   "value": 11040,
   "unit": "USD",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
   "conditions": "The grant proposal is a budget, not an awarded amount.",
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.supporters",
   "label": "Individual supporters in the donation program records",
   "value": 137,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
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   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "fin.major_supporters",
   "label": "Documented major philanthropic or institutional supporters",
   "value": 3,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Funding and financial record",
   "scope": "Directly managed donations and sponsorships, in-kind contributions, direct spending and balance, and a separately budgeted partner-led grant proposal.",
   "period": null,
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   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "06"
  },
  {
   "id": "team.total",
   "label": "Project contributors and professional collaborators",
   "value": 21,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Team and community review structure",
   "scope": "Project contributors and professional collaborators.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "07"
  },
  {
   "id": "team.founder",
   "label": "Student founder and technical lead",
   "value": 1,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Team and community review structure",
   "scope": "Project contributors and professional collaborators.",
   "period": null,
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   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "07"
  },
  {
   "id": "team.engineers",
   "label": "Additional engineering contributors",
   "value": 3,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Team and community review structure",
   "scope": "Project contributors and professional collaborators.",
   "period": null,
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   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "07"
  },
  {
   "id": "team.researchers",
   "label": "Research collaborators",
   "value": 2,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Team and community review structure",
   "scope": "Project contributors and professional collaborators.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "07"
  },
  {
   "id": "team.stewards",
   "label": "Indigenous community stewards or reviewers",
   "value": 12,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Team and community review structure",
   "scope": "Project contributors and professional collaborators.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "07"
  },
  {
   "id": "team.preservation",
   "label": "Archival-preservation contractors",
   "value": 2,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Team and community review structure",
   "scope": "Project contributors and professional collaborators.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "07"
  },
  {
   "id": "team.evaluator",
   "label": "Technical evaluator who reviews the quantitative results",
   "value": 1,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Team and community review structure",
   "scope": "Project contributors and professional collaborators.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "07"
  },
  {
   "id": "team.stewards_supported",
   "label": "Community stewards and reviewers with funded compensation or separately agreed institutional support",
   "value": 12,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Team and community review structure",
   "scope": "Project contributors and professional collaborators.",
   "period": null,
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   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "07"
  },
  {
   "id": "team.deployment_leads",
   "label": "Designated community-side deployment leads directing their collections' workflows",
   "value": 4,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Team and community review structure",
   "scope": "Project contributors and professional collaborators.",
   "period": null,
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   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "07"
  },
  {
   "id": "team.methods_consultations",
   "label": "Academic methods consultations with outside researchers",
   "value": 2,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Team and community review structure",
   "scope": "Project contributors and professional collaborators.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "07"
  },
  {
   "id": "research.contributions",
   "label": "Original research contributions documented and evaluated",
   "value": 3,
   "unit": "count",
   "numerator": null,
   "denominator": null,
   "program": "Research, publication and external review",
   "scope": "Research outputs, contributions and reviews.",
   "period": null,
   "conditions": null,
   "source": "Tierline project record",
   "source_date": "2026-10-13",
   "source_section": "08"
  }
 ]
}