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
- 58e430b37105a7ee04896df7e09da38151b5a1073a3284062adbf2d3bc0ab888
- Content hash
- 4a5b3e90b9b5512aa5aff48759e2a9c02cbe921e90dbbb264a94a05d84b97865
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,795
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:07Z — the Bitcoin date is the one that counts