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
- 10ef410fdc75d08790867f29d826a26089807ca0f05d4c9298ca7894cd823ed0
- Content hash
- c75efb19bacab8d5ed362d783660477d49fb25b238721d857dd9edab60f88c72
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,072
- 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