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
- eb4ebc3d8217d58dcc9db855e02324a902e876a74d5822fb4e70338b3f914b15
- Content hash
- 8dc03cc2c75071edba55f5c8a11bdbe5081f02e80552dc657ea87c7a885099f6
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,721
- 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