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
- 685f9b8c875eff20e5a6b04f0df8911c92de091ff9ce3fd61b2dec769536d0da
- Content hash
- 4425e40c08fddb4441d78ec387b51545fc84cd8221d43aa2f0677ddd5c4255a4
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 2,085
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:11Z — the Bitcoin date is the one that counts