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
- 7984155fdc2e6258a56475996f8597f5d173520933ea8c7246c1cefb5219ca9b
- Content hash
- a16bfb7ae3acc12b412bd0ece3a68987ddf46f816ba9e8fa2aa1775c2b22b119
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,901
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Waiting for Bitcoin (usually a few hours)
- Created (claimed)
- 2026-10-03T07:18:08Z — the Bitcoin date is the one that counts