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
- 66c0234442bc0f1997edce71d3f8bfefc269b3ffc6e7a7e053fa8d66c3363adf
- Content hash
- bb8e32c8b2f3b40c28d3316ca87a98643222db12300f3670690d33f1aea3de8c
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 428
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Waiting for Bitcoin (usually a few hours)
- Created (claimed)
- 2026-10-03T07:17:54Z — the Bitcoin date is the one that counts