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
- ff76c7bd6b2a5bac70e8ef4379ed718555e1ade8976756957638853fdf795be0
- Content hash
- 9903d6f0daaf2544aa8ee1976fafb98fea49427b60860fc61d988018ec0ef9dd
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,226
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:02Z — the Bitcoin date is the one that counts