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
- aa0b8774704ba75ceaf93f5d9fefc9f1fade866637a142e72804df6a11674d83
- Content hash
- 9fa2254f3b9b6040cbbfd0a5cf11d71c9b1ecf875f737789104834da4cdbfd52
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 744
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Waiting for Bitcoin (usually a few hours)
- Created (claimed)
- 2026-10-03T07:17:57Z — the Bitcoin date is the one that counts