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
- fe18926e0152107826bec66c047c2d6165a26d4ca8843e5f35d104aee0e970e0
- Content hash
- aca5e3f22777fca19f85316e42ac56b37916d0937a2f99eef066c0d560f74685
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 897
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:17:58Z — the Bitcoin date is the one that counts