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
- a301d698e5d4a41048bbd2468d92e5411f67a624a7519e3bb4c91f5f16af6a92
- Content hash
- 834896aa6ae35b0bf3c003ccc8acf2463cc1b82725fff7fe3c2411e85321ab98
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,497
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:04Z — the Bitcoin date is the one that counts