Document & Access Verification

Independently confirm a document and its availability record for the CAFA notice portal.

Verify a document

Upload a file to confirm whether it was published on this site, and for what period. The file is hashed in your browser's upload and never stored.

Verify an access receipt

Access ledger integrity

Ledger intact. 202 access record(s), hash-chain verified.

Current ledger head: 3233d10e653568cbaa0a66e97eb3f154be802ee172244be9d6605635d3c793d2

The ledger is anchored to the Bitcoin blockchain via OpenTimestamps; proofs are verifiable independently at opentimestamps.org. Visitor identifiers are network-masked (/24) and one-way hashed — no IP addresses or personal data are stored. Times are UTC.