Provenance verification

Pick a sample

Six bundled samples cover three industries with one valid and one invalid pair each. Or upload your own proof bundle — verification runs entirely in your browser.

Financial

Loan approval (valid)

Selective-disclosure approval. All checks pass.

Loan approval (tampered output)

Output altered after signing. Hash check rejects.

Manufacturing

Process compliance (valid)

Groth16 policy proof against the registered process spec.

Process compliance (model swap)

Different model substituted post-issuance. Envelope rejects.

Agent

Agent chain + x402 payment (valid)

Multi-agent chain with x402 payment_proof attached.

Agent chain (replay)

Same proof_id replayed across two settlement steps.

Upload a custom proof JSON Stays in your browser. We never receive the file.

Pick a sample to begin.