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
- 53a5a16bf95de270ef07a8dec06d7765c4c62474854759438f7af841108ae502
- Content hash
- 1dd12fb760bcf88d7499e4da1b6f5b2656ebd2c3112008492074d06f92b760cf
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,174
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:01Z — the Bitcoin date is the one that counts