What a pass proves
The downloaded members match the export manifest, the recorded events still form the exported hash chain, and the sample timestamp signature matches the identified public key.
Independent integrity check
Verify an evidence package without sending it to us.
Choose a Briard-AI JSON package. Hash, membership, ledger-link, and supported timestamp checks run only in this browser.
Published fixture suite
See each failure stop at the first precise reason.
What it does not prove
Integrity does not make an attestation true, establish compliance, replace an assessor or lawyer, or determine whether a record is legally admissible.
Reproducible CLI
Run the same suite on another machine.
Algorithm briard-package-integrity-v1. Requires Node.js 22 or newer and transmits no package data.
node scripts/verify-briard-package.mjs --fixtures