How this works / Signed record
Problem revision
This record was signed by PubPhys and added to the public log. Download the proof and check it with the open verifier: it recomputes every fingerprint, checks the PubPhys signature against the published key, finds the entry in the log and checks the Bitcoin date, without relying on this site.
- Record hash
- e40db54d49b7bbcae272f1539b8bcc9bf6317cdea1fb76b8ba7ab069c56691ac
- Content hash
- 456417db67d50a2097eedd92af5e31f2d4652e77843e16676d410711379d845f
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,576
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Waiting for Bitcoin (usually a few hours)
- Created (claimed)
- 2026-10-03T07:18:05Z — the Bitcoin date is the one that counts