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
- e829b832b562f45988e911362ac42dbc9304bb0926bfe49c470e7b8f90251918
- Content hash
- f20a040a63a0be9464952a34edfdaa1e9cc25b5a298597ea8d159c3cea7f1818
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 434
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Waiting for Bitcoin (usually a few hours)
- Created (claimed)
- 2026-10-03T07:17:54Z — the Bitcoin date is the one that counts