Studio

Generate cryptographic proof for any file, or verify existing proofs. Everything runs locally in your browser. Files are never uploaded.

Make a proof.

Drop any file. Your browser hashes it locally, sends only the digest to an AWS Nitro Enclave, and returns a signed proof.

Drop files here or browse

Any file type. Hashed locally in your browser

Device Authorization

None

Proof attests the commit boundary only

Authorize with device biometrics

A device key, unlocked by biometrics, authorizes proof creation

Attribution

Sealed into the proof and travels with the artifact.

Drop a proof.zip to extract, re-hash, and check the digest against the proof.

Drop proof.zip files here, or click to select

Runs entirely in your browser