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
- b7718120a8b095b56f9d39f2bf35d5f6b6d160afbdfa928d8dbdd2d85c620df1
- Content hash
- 2fe89f6d37d813d026b985aa00614fc9d59afa1c8bb8229886846fbd55823e06
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,318
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:02Z — the Bitcoin date is the one that counts