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
- c3c581cd664b4bb8eb19de87e26e9cad6ae1634c8b1f038059476f9e47e26990
- Content hash
- 1feadd011a632e287200d59bc6f167cee55593094051cabcb9351139f9e43963
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,925
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Waiting for Bitcoin (usually a few hours)
- Created (claimed)
- 2026-10-03T07:18:09Z — the Bitcoin date is the one that counts