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
- 78ce7db2fd15a070f04d9489e18f9b9a3d4bd1e0784657b1ba80313dcf64a6d1
- Content hash
- 42e583a94d7fabcd7fc6b4f2ccd2e4632df6a8ee33a0a5dad5eba17bca1acb16
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,314
- 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