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
- 8cfb212400e48962cc9bb94aa661245796414c71fd045c38f3475886a87e7729
- Content hash
- 46f2c283bdc485fab4644d95e47e22e5f7f2f4a241c82af554ab9c2975f7c349
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,944
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:09Z — the Bitcoin date is the one that counts