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
- b3d2877324075211a8567c8d352b8ba0db8e0ea2fcff088d7f7468136f48c35d
- Content hash
- ec193fd4ef8e54c4dd240eb71ccd089a00f6d0e6d6ccd5f9254d773b2174ee2a
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 2,098
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:11Z — the Bitcoin date is the one that counts