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
- 680cc40f99f62c5ee111c7eb02d01031b41e2d72ffe48b62f9d535cbca1306dd
- Content hash
- 26ae2890a14ea42651dfb910b3dc4d01fed855873d999ffd9cc1c6e56982e548
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,386
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:03Z — the Bitcoin date is the one that counts