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
- 095b70ae81631d849cfcc9cf8ab295b6f7ce78510af1bfcb4f6a47fcc56b83d8
- Content hash
- 1e7aaa8c560621c0b6a2b665b1d75ffb61fc44c50ee6eb68955d6cade25b4eb2
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,898
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:08Z — the Bitcoin date is the one that counts