schema: stripe-history/research-collections/v1
mutable_sources:
  - canonical_url: https://stripe.com/blog/changelog
    capture_evidence:
      capture_slug: stripe-changelog-snapshot-2026-08-12
      captured_on: 2026-08-12
      evidence_path: evidence/source.html
      sha256: e76e5b49f491c89aacc88ff4feb135568d06769e81b82c5dbdf2c7e19f0a2505
      status: complete
    policy: date-stamped-snapshots
    rationale: The changelog URL is mutable, so each historical claim is keyed to its stated month and retained as a separate dated snapshot.
    source_ids:
      - source-2186a9fb2e4e200518a1
      - source-95839ee4456a7ec1910e
      - source-a5244f067a61333806ae
      - source-bebcca96578a064a18b0
      - source-e8c3c01525fe68d64c99
collections:
  - id: founder-appearances
    dataset: appearances
    scope: Reviewed public appearances by Patrick Collison or John Collison that contain first-person evidence about Stripe, its predecessors, or its operating history.
    coverage:
      basis: occurred-at
      from: '2008'
      through: 2026-08-12
    output_files:
      - research/appearances.yml
    input_source_ids:
      - source-001e51b689b259d0b4e3
      - source-1278271efc6181fee94f
      - source-18cef128fcb5c9083568
      - source-26410b426525f71187bb
      - source-4d80199395399e9e47d8
      - source-51a0e1edbe8fc1ce9d5a
      - source-7365200928b2c76a48b7
      - source-7db75f16638fc07f166c
      - source-a5d1d621862fa7f1cac0
      - source-bbf6b0fb0b8942bc569f
      - source-bda69e86e22cf8e2c66f
      - source-ca9f69ba263dbc27bda3
      - source-d8e4c6cb20568d496b94
    supporting_source_ids: []
    discovery_sources:
      - https://www.youtube.com/@stripe
      - https://www.youtube.com/@ycombinator
      - https://www.dwarkeshpatel.com/p/patrick-collison
      - https://stripe.com/sessions
    query_families:
      - 'site:youtube.com Patrick Collison interview Stripe'
      - 'site:youtube.com John Collison interview Stripe'
      - 'Patrick Collison transcript Stripe founding Auctomatic'
      - 'John Collison transcript Stripe early employees product history'
      - 'Patrick Collison testimony Stripe transcript'
      - 'Stripe Sessions Patrick Collison John Collison keynote AMA'
    authority_order: [primary, interview, reporting, archive]
    dedupe_keys:
      - native-id
      - canonical-url-published-at
      - appearance-participants-venue-occurred-at
      - semantic-claim
    capture_policy: primary-and-claim-critical
    refresh:
      cadence: quarterly
      mode: incremental-discovery
      lookback_days: 120
      minimum_request_interval_ms: 1000
  - id: founder-side-projects
    dataset: history-events
    history_output_coverage: complete-output
    scope: Complete reviewed public record of Patrick Collison and John Collison projects outside Stripe, including grants, philanthropy, research institutions, governance, investments, writing, and hospitality.
    coverage:
      basis: event-date
      from: 2019-07-30
      through: 2026-08-13
    output_files:
      - history/side-quests.yml
    input_source_ids:
      - source-1002e320dafb67950005
      - source-1c6adfe53072cdc63578
      - source-370244a2efb2cfe025e5
      - source-475e9973e4ee494147aa
      - source-4c240f420fc0534fe6af
      - source-5a2e0ef3c00b4019656f
      - source-5cce599c4b7c9144e3cb
      - source-6a70e99c09c187ea49b2
      - source-85375dadecbd272a21c7
      - source-89af64bf0e530b9961f2
      - source-9ad888e73adc937b1c29
      - source-aa36e7f93ba3a24269dd
      - source-af73c6bed56faf7ea27e
      - source-dc2f070f6effb7cceff3
    supporting_source_ids: []
    discovery_sources:
      - https://johncollison.ie/
      - https://patrickcollison.com/
      - https://x.com/collision
      - https://x.com/patrickc
      - https://marginalrevolution.com/
    query_families:
      - 'Patrick Collison project outside Stripe'
      - 'John Collison project outside Stripe'
      - 'Patrick Collison grant philanthropy institute board arts science'
      - 'John Collison investment philanthropy hospitality restoration'
      - 'site:patrickcollison.com project grant institute'
      - 'site:marginalrevolution.com Patrick Collison grant project'
    authority_order: [primary, filing, reporting, interview, archive]
    dedupe_keys:
      - canonical-url-published-at
      - event-id
      - semantic-claim
    capture_policy: primary-and-claim-critical
    refresh:
      cadence: monthly
      mode: incremental-discovery
      lookback_days: 45
      minimum_request_interval_ms: 1000
  - id: sessions-product-launches
    dataset: history-events
    history_output_coverage: selected-inputs
    scope: Material launches, public previews, availability changes, and product expansions announced at Stripe Sessions.
    coverage:
      basis: event-date
      from: 2019-06-10
      through: 2026-04-29
    output_files:
      - history/product-launches.yml
    input_source_ids:
      - source-28eaa414dc9531c6df9d
      - source-7e1ac4944f2e99511681
      - source-b4131d403cf76f5180f6
      - source-ca257159d5fc6d64bd7a
      - source-ec41ec00724370badaa6
    supporting_source_ids:
      - source-330c0283f9520625a5ec
      - source-da5bc3eea46cefe0be5e
    discovery_sources:
      - https://stripe.com/sessions
      - https://stripe.com/blog
      - https://stripe.com/newsroom
    query_families:
      - 'site:stripe.com Sessions announcements products Stripe'
      - 'site:stripe.com/blog Stripe Sessions keynote product highlights'
      - 'site:stripe.com/newsroom/news Sessions launches Stripe'
    authority_order: [primary, reporting, archive]
    dedupe_keys:
      - canonical-url-published-at
      - event-id
      - semantic-claim
    capture_policy: all-accepted
    refresh:
      cadence: annual
      mode: fixed-source-refetch
      lookback_days: 0
      minimum_request_interval_ms: 1000
  - id: valuation-history
    dataset: valuations
    scope: Publicly reported Stripe valuation observations, preserving financing, tender, 409A, investor-secondary, and secondary-market mechanisms as separate claims.
    coverage:
      basis: effective-date
      from: '2011'
      through: 2026-08-12
    output_files:
      - research/valuations.yml
    input_source_ids:
      - source-03373a611af0c9e92786
      - source-03f4b7ce98afc255b0ba
      - source-049dfcb3b15c61d71dfe
      - source-05c9e0722cf8a6d3e9ef
      - source-0e881dc1ffda930a1841
      - source-1a020b6076d17a8aecd2
      - source-2cca70fe5628f59eba33
      - source-313d5f90eb90dc44a09e
      - source-3bb6c45b8d6f9c1124b4
      - source-4b4de85478f5981d6494
      - source-5116ff7a7f3246d58e2a
      - source-67de5aa3b7009ba5ed83
      - source-7f1e28293e44b7e2b09c
      - source-8d6599ea85d8f5f485b7
      - source-93f3d70eb5fc195f2ed2
      - source-9a3a3ccb578db86eecac
      - source-b2dd612bb76ab78c5e49
      - source-bd6516ac551f19c37d33
      - source-be63a33e896357893bf6
      - source-c8d385ed972041177ac8
      - source-d1ea05ba12bb2d5bf626
      - source-dcf72971de10c76a0dd9
      - source-e7a9d45ba8cc599f5d4d
      - source-ea53245454672afea5c5
      - source-ebcb0307692f731ceeb8
      - source-f8ada5ba377789f7909f
      - source-f9691bfff6a0b221be9c
    supporting_source_ids: []
    discovery_sources:
      - https://stripe.com/newsroom
      - https://techcrunch.com/tag/stripe/
      - https://www.axios.com/company/stripe
      - https://www.forbes.com/companies/stripe/
    query_families:
      - 'Stripe valuation financing funding round post-money pre-money'
      - 'Stripe employee tender liquidity valuation share price'
      - 'Stripe 409A internal valuation common stock'
      - 'Stripe secondary transaction valuation investor purchase'
      - 'Stripe secondary market valuation indication'
      - 'site:stripe.com/newsroom Stripe valuation employee liquidity'
    authority_order: [primary, filing, reporting, interview, archive]
    dedupe_keys:
      - canonical-url-published-at
      - valuation-mechanism-effective-date
      - semantic-claim
    capture_policy: primary-and-claim-critical
    refresh:
      cadence: monthly
      mode: incremental-discovery
      lookback_days: 45
      minimum_request_interval_ms: 1000