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
- 8e0b0e9d1f689acd940af15c13a9fff369b52627e2ab1fc0815c55958d2a1702
- Content hash
- 8ffdf3e4ddb409e96e2b109edda1e62015527c24a643495459184095e9e1f340
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,460
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Waiting for Bitcoin (usually a few hours)
- Created (claimed)
- 2026-10-03T07:18:04Z — the Bitcoin date is the one that counts