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
- 36a6c79a05855b33e3fd35bf50d348fe35927cce46b9971c2eacad58c24244c9
- Content hash
- 4a68b4ad4ca44a0412d42e1d0b72be9a158f15e84d34a0ec0ba16d5fe696bad0
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,772
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:07Z — the Bitcoin date is the one that counts