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
- 561018b85d0fe7b3684ea396f1b1026020ca6fa8c1dcb46f6881824171560403
- Content hash
- cdf8cf6bbbda49c4a83c788b07b2ebe396da3b7b771b3849769b5cc15b486263
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 2,028
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:10Z — the Bitcoin date is the one that counts