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
- f40998596bac10f98640f4ea60b24897b7408f7ec3baa5aaeaece28c93fa5538
- Content hash
- f97887b7b76832c6eb35d6eb33b7eec6f2d6d083f72623245e0132026df534fe
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 2,053
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:10Z — the Bitcoin date is the one that counts