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veritaschain / cpp-spec

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CPP (Capture Provenance Profile) - Open specification for cryptographic proof of media capture events. Features RFC 6962 Merkle trees for deletion detection, RFC 3161 timestamping, and optional ACE (Attested Capture Extension) for zero-knowledge biometric attestation. Part of the VAP Framework.

merkle-tree rfc3161 vap open-standard privacy-by-design digital-evidence content-provenance cryptographic-proof media-authenticity veritaschain capture-verification c2pa-alternative timestamp-authority deletion-detection photo-verification vap-framework
  • Updated Jan 18, 2026
  • Python

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