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
- be76ede68a3c85b032fb07d9c72ee16d12f04b07e28ff0c7d35c0b0a431114c5
- Content hash
- 337eb8760185e7ec3d6fc210380d819080178d0ce31b7187063b31104bb66188
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,534
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:05Z — the Bitcoin date is the one that counts