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
- 82ebf3a9c8b680f6b8db3662f3b8d616b125ad060d1b9b4452831fdf538d531b
- Content hash
- 0790ee3eed3cae3137ca2886314c8e409308a6e7413b22e6efe71ecbb95fd5f5
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,811
- 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