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
- 813cc1b0317e23864fe9dedb91bc8561cc7cfa0f0ee3242bf76fff3b0a91242b
- Content hash
- d970e90d49f197b92609360d484bd1d1fd2baf954bfb4390c628ddf39d770391
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,634
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Waiting for Bitcoin (usually a few hours)
- Created (claimed)
- 2026-10-03T07:18:06Z — the Bitcoin date is the one that counts