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
- 7ef3274299a9f15f4d2df1eec6ade64e403c07e416abbe945638d7e16e00d168
- Content hash
- b74b514433ee19bc8aa710ef50f2644cb4b48f4516e758406b018c3265ac2f38
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 2,074
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:10Z — the Bitcoin date is the one that counts