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
- 11a7f9c7f45ca3a4acbcc60d6501c97a8898050a2667d700622c7abb5fbeb818
- Content hash
- 0a678f55a7986f2eac23ac103b0ddbaf82f30c4380d2c7fbabd9d01052194540
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 819
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:17:57Z — the Bitcoin date is the one that counts