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
- eec23f25914b7679cb32ce67a1273fe93525107171e914a44eb272bfc4594393
- Content hash
- 2b91a61033e7b26a71ec64fa4753baa5b34d3086cdcd64da04c8215417891147
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 866
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Waiting for Bitcoin (usually a few hours)
- Created (claimed)
- 2026-10-03T07:17:58Z — the Bitcoin date is the one that counts