C2PA Content Credentials & Hardware Camera-Signature Chain Verifier

Deterministic ISO/IEC 19566-5 JUMBF 'c2pa' superbox parser + RFC 9052 COSE Sign1 (ECDSA P-256/P-384, RSA-PSS) X.509 trust-list verifier + hard-binding byte-range/BMFF hash validator engine (.jpg, .png, .webp, .mp4) built for Sony, Leica, Adobe Content Authenticity, OpenAI / Google — zero-upload ephemeral Wasm RAM execution.

+ Drop File

Cloudflare Ephemeral Wasm RAM · 0% Retention

DETERMINISTIC VERDICT

Double-click 2.4× zoom · Drag to pan / 3D orbit

Free Deterministic X-Ray Preview

Running ephemeral Wasm verification…

Verified Engineering Output

Instant unlock via Apple Pay / Card (Paddle Merchant of Record) · 1-click automated refund, zero support tickets.

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