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
- 061d3f762ee73dd15d6422c8431eba2713dde74fb8a7936ae76cd7493a1c29c7
- Content hash
- 801954c4363a71f9ade90480498c796c67c41a20831d6c0bcf0c431bbf93f045
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 600
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:17:55Z — the Bitcoin date is the one that counts