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
- ab0808a789362c8c6a8efe941b1eba3913e8fa165f62fe1e8c89db48d59cc057
- Content hash
- eb3009bc248fc2e96360eae00bb3f2e8ad8464f408fb21a052afbdeec88f6ae6
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 942
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:17:59Z — the Bitcoin date is the one that counts