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
- 31a3a46024546948749390b73fc545a6b30dc5d0bfdeb81438cb4ac0924ce169
- Content hash
- c3c552757611bb602b39844df9be217d00345cc3b69b9ff07900792c71c85954
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,169
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:01Z — the Bitcoin date is the one that counts