Issues

• §15.9.2: a good OCSP response outside its validity window is reported as ocsp.revoked

  c2pa-org/specifications#131 · Filter by author li-jin-quan opened on Oct 7, 2026

• Unclear CDDL handling of the initial segment (sequenceNumber == 0) for c2pa.manifestId as the continuity method

  c2pa-org/specifications#130 · Filter by author Kodekar123 opened on Sep 17, 2026

• Threat model: commodity tooling now strips the soft-binding (text watermark) layer, not just manifests

  c2pa-org/specifications#128 · Filter by author eeee2345 opened on Aug 15, 2026
  1

• How should iterative and causally dependent Actions be represented in C2PA?

  c2pa-org/specifications#127 · Filter by author SBajonczak opened on Aug 15, 2026
  1

• Typo in Spec

  c2pa-org/specifications#125 · Filter by author ElleryW opened on Aug 4, 2026
  1

• C2PA proves who signed and, via a TSA, roughly when. It does not prove that is the only manifest issued. An optional append-only anchor for non-equivocation.

  c2pa-org/specifications#122 · Filter by author MarkovianProtocol opened on Jul 8, 2026
  20

• Add a per-release Acknowledgments section listing contributors to the specification

  documentationenhancement
  Feature

  c2pa-org/specifications#121 · Filter by author dcondrey opened on Jul 6, 2026
  

• Details of embedded C2PA manifests in PDF is lacking clarity and sufficient information for non-PDF people

  c2pa-org/specifications#119 · Filter by author petervwyatt opened on Jun 25, 2026
  4

• UX: Disable CSS smooth-scrolling / animated transitions for intra-doc links

  c2pa-org/specifications#118 · Filter by author liberato-at-chromium opened on Jun 9, 2026

• Why are open issues being hidden from view?

  c2pa-org/specifications#117 · Filter by author nealmcb opened on May 1, 2026
  2

• Are there any open-source reference implementations?

  c2pa-org/specifications#17 · Filter by author nealmcb opened on Mar 25, 2022
  12