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
- 81053b5f73d7f9a4dfdbe66fe65d7846de39a54b2e85df9cc2e021dcf5f3bc6c
- Content hash
- 00db496308ea0359289ee2f20acc51b7414eaf8279424e87557c60b72331ab37
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,652
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:06Z — the Bitcoin date is the one that counts