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
- cfa624940ad39870a307945e691d10cf853e0273dc669a3a59e2bd47cf272222
- Content hash
- 7a9a20eedc7258d98605954c3c4e897e70b28b4a9b2fe9b36a83bf5e8ce622c4
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,641
- 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