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
- bf2a52b11695356d77880e63de63d68f319926af8817c69f4871dbeccdaba5d3
- Content hash
- f73abfcc28ea138909dd7e9294e24a5c8ccf9323bd02453613c05821b5862228
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,623
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:06Z — the Bitcoin date is the one that counts