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
- 7dcb84790739e8d6886e6c27c5d565af1c4babbd5afc83e4b2976bf42ac3bed9
- Content hash
- cfed5bb64915142ceffc83e39d7d7e5c4f90369ee019460efb1acc08ceddfd46
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,481
- 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