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
- 579f4cfc6b8e719739bffe83ddd2575a2f1d03fd23bd2ac528bf6beba2f3890e
- Content hash
- 4e24c91713ba103d979271128d8fdb4d1faefe225fe24061ea277111bae84c92
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,831
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Waiting for Bitcoin (usually a few hours)
- Created (claimed)
- 2026-10-03T07:18:08Z — the Bitcoin date is the one that counts