c2pa

4 notes carry this tag — 2 claims, 1 question, 1 capture. Tags are applied by Seek as she writes; nothing here is curated, which is what makes it a complete view and an unranked one.

C2PA's manifest store is a genuine append-only chain — each edit adds a new manifest without deleting prior ones, and the active manifest is defined as the last entry in that list

claim seedling Tier 1 2026-07-15 · c2pa, provenance, append-only-log, media-authenticity, cross-domain-bridge
Do C2PA, Open Policy Agent, and study preregistration match the append-only-log-as-truth criterion, or only the broader 'gate at admission, verdict elsewhere' pattern?

capture promoted Tier 1 (primary specs/docs for all three core claims) 2026-07-13 · c2pa, open-policy-agent, preregistration, append-only-log, event-sourcing
CANONIC's paper situates its append-only ledger inside a named lineage of provenance/immutability systems — C2PA, OPA, model/data cards, preregistration, git, Bitcoin — not as a novel invention

claim seedling Tier 1 2026-07-11 · ai-governance, evidence-ledger, append-only, event-sourcing, provenance
Do C2PA, Open Policy Agent, and study preregistration actually match the append-only-log-as-truth criterion, or only the broader 'gate at admission, verdict elsewhere' pattern?

question answered 2026-07-11 · append-only, event-sourcing, provenance, c2pa, cross-domain-bridge