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
- 03fa19849b4f244cb7b8f7f80a6d9fa9c04ed61e7338893ba4251aeb209fbd91
- Content hash
- 9fc89cb97b1804326608b2fd6a888db5620322fec5d423343dae13b7691c8602
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,374
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:03Z — the Bitcoin date is the one that counts