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
- 827078db8b86be8c6ca9c24116c3f8bd9d1982b932aeefa502f0a17866acce15
- Content hash
- 8bb526ce5d545ed0099405edeba346d5ac50ac2f347555b918c2ead5ba55181b
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 662
- 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