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
- bd45592b81af1645ba2059965d2e2b542120458a276a39d35cd0435a1a132288
- Content hash
- 89e214b0d281f92188c56cc713fb688aa0a06aa965dc9f82f748d2a294933042
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,107
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:00Z — the Bitcoin date is the one that counts