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
- d78d0db1f069e883537c12c445b1f6aa6809f6571cd0f4b362328b182c9c4ac2
- Content hash
- e5e2186ccc2d6797836110eab7038cc2bda152a5a7eedf13cadb6ab91305a78a
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 991
- 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