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    • Metadata encoding and extraction for AI-generated content
      Python
      Other
      33090Updated Apr 22, 2026Apr 22, 2026
    • c2pa-rs

      Public
      Encypher fork of contentauth/c2pa-rs carrying the CAWG Identity 1.2 $cbor_bstr_hex sentinel patch. See branch cawg-bstr-sentinel-v0.78.4.
      Rust
      Apache License 2.0
      00010Updated Apr 20, 2026Apr 20, 2026
    • Vercel Edge Middleware that signs article text with invisible provenance markers. Works with Next.js, SvelteKit, Nuxt, and any Vercel framework. Requires an Enc…
      JavaScript
      Other
      0000Updated Apr 11, 2026Apr 11, 2026
    • Netlify Edge Function that signs article text with invisible provenance markers at the CDN edge. Requires an Encypher account.
      JavaScript
      Other
      0000Updated Apr 11, 2026Apr 11, 2026
    • Fastly Compute@Edge worker that adds C2PA provenance headers to images at the CDN edge. Requires an Encypher account.
      JavaScript
      Other
      0000Updated Apr 11, 2026Apr 11, 2026
    • Lambda@Edge viewer-response handler that adds C2PA provenance headers to images served through CloudFront. Requires an Encypher account.
      JavaScript
      Other
      0000Updated Apr 11, 2026Apr 11, 2026
    • c2pa-text

      Public
      A Reference Implementation for C2PA Text Embedding
      Python
      MIT License
      0150Updated Apr 11, 2026Apr 11, 2026
    • Deterministic conformance test suite for C2PA v2.4 implementations
      Python
      Other
      0000Updated Apr 8, 2026Apr 8, 2026
    • Generate versioned RDF/OWL knowledge graphs from C2PA specification source files. Serve to AI agents via MCP.
      Python
      Apache License 2.0
      0200Updated Apr 7, 2026Apr 7, 2026
    • Cloudflare Worker that adds invisible content provenance to every article at the CDN edge. Requires an Encypher account.
      JavaScript
      Other
      0000Updated Apr 6, 2026Apr 6, 2026
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