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
- adf5a5622bfa793a612b8970fcbd748e076c4c71e8aefa540ee89a0e029e0b51
- Content hash
- 46aaa0b43e88dbe7d3e57b72e90669ed6f0be84ed2c76c13e2238e055ae5a446
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 2,097
- 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