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
- e0a2190f53a5617b97512611bc44d7e0a22551eb6279c946d2aea2e706ed9293
- Content hash
- a681570d187a193f8e2813291e0d339ae4053a8846fbf6f0e80e2e91a501e149
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,431
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:04Z — the Bitcoin date is the one that counts