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
- e043a14e811502a87cabd597dcaf4651be934e0eb3bb11429cacb4bb3ba7e8b9
- Content hash
- 865ef13d7832987872fd3862cdf0c7001b1f12b18228598b2382fea136c6ca7e
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 626
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:17:55Z — the Bitcoin date is the one that counts