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
- 92cc3a219fc516644bf4545c618969ab6d58125d8d1856fe230f1d3c3b89375f
- Content hash
- 4ff881c28997f1f16b855b51ed127718a7c664924d80dec86ce32465dfa681ce
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,039
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:00Z — the Bitcoin date is the one that counts