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
- d51cdca114f53629c8f01fca791ed12d9998ca36a472cfda70d6b7275ab6f060
- Content hash
- 767f163a9b5b2f14591d2be46990835f8974df0237c3830b4623c6a2cd93a463
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 733
- 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