How this works / Signed record
Problem revision
This record was signed by PubPhys and added to the public log. Download the record 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
- b8007e1ab8f87fa1de405598a38bd424cd12d0737b97fe878a0c5a497f0b3521
- Content hash
- bad3ebc6ed149a5490e43e0374711ea936341dd715160dfa9626d1894e5eee7d
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 2,126
- Checkpoint
- Size 2,127, logged in Rekor and mirrored
- Bitcoin date
- Block 969,981
- Created (claimed)
- 2026-10-05T07:28:05Z (the Bitcoin date is the one that counts)