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
- ab02035d148777f19ff78eecb221b4079e4899b572013b33aca12c9bc921d467
- Content hash
- 9899094594d66108ac785527d94ad1c2f9e302e1bba0ce2b981dde0f340406a5
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,106
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Waiting for Bitcoin (usually a few hours)
- Created (claimed)
- 2026-10-03T07:18:00Z — the Bitcoin date is the one that counts