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
- bc573c59dfa009939f83a8c443f7f99e61680dcc1b94a239c0790ca724b0c214
- Content hash
- 0c9f30e95d341018279daf8c72b9395230f40aa55dd2950e09941715127f8539
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,191
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:01Z — the Bitcoin date is the one that counts