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
- 34e8ffef844ab12d1ea9768a811995a0e2aa6fbc6d46e3cf56d69735447a1912
- Content hash
- a7b6e26d507e20f633103cd3697c67fd0be4197aae9c064457f5a4f7b549d1f3
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,880
- 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