Paste a receipt ID. We re-fetch it from the issuer and confirm every required field is present and well-formed — signature blocks, validator DIDs, and the federated block hash. Sub-second response.
This page does a structural lookup by ID. To watch a real ML-DSA-65 (NIST FIPS 204) signature get produced and verified in your own browser — paste text, get a typed receipt, flip a tamper switch — use the typed signer demo.
Try the typed signer →100 free per day, no login. Or sign up for unlimited at $0.0096 each.