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
- 73239e7ee4b33500ec77ebf798342389ff67811ee4595146ad233dfb7093c5c9
- Content hash
- 5d4bd77f81015ae5706a7487dee9016e460532e00f1ad4d1e08dc814893471ba
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 2,119
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Waiting for Bitcoin (usually a few hours)
- Created (claimed)
- 2026-10-03T07:18:11Z — the Bitcoin date is the one that counts