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
- de6054bbd1a6195f2e031d87c4a4de1915b78c639a4f90d48d3e74df18b83db4
- Content hash
- 24acdd2a8d3b42702c1d7b2fa34ab6c16cc60dcb49b8517369085f3850e8e6d9
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,272
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Waiting for Bitcoin (usually a few hours)
- Created (claimed)
- 2026-10-03T07:18:02Z — the Bitcoin date is the one that counts