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. 186 access record(s), hash-chain verified.

Current ledger head: 0bb927ade19d0af0deaa81756e9aa9343ab640d0e1a816a6b941b5b9d61de9f2

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.