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
- ffe2467ca38d5704eb06f65ac16b6117099d08f0f221c175560d4da5d327849f
- Content hash
- c98d3bc8255956ac3d981788c8ec3690af4669506c3de4b31c147c9811fd2220
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 827
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:17:57Z — the Bitcoin date is the one that counts