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
- 91c06e4b6eeec748fd5c9c57c5ebe3ccb656ad2a8d46730cf3ef06eee58c905e
- Content hash
- e2366605f0bb760162b47452eca58071ffbb48c02c77ab346e751433870506d2
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 727
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:17:56Z — the Bitcoin date is the one that counts