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
- 768a105fefb17f2393ee7fbafed2a57feb3c24a522d9abaa9def1b0f97cf6a65
- Content hash
- 5a4818bb79261c5dc22970da733b97d86c4ba141b3de1b6a5541bd55b09f119a
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 2,117
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:11Z — the Bitcoin date is the one that counts