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
- 2525faffc272c86574c0ba515e8b1046c8750641804f8e7550dbf929c9641853
- Content hash
- 47de416a3b0c69181b2e8755c634fe3fd5e3e2c83a40e9551101ffc00655f78d
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 411
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:17:53Z — the Bitcoin date is the one that counts