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
- 7db7dee55db4eeedd80c6d9c2505af986347c0721e09acbb9440e8ad55469669
- Content hash
- 155f9078a8d177ddf7f14d1ce6b5ce3b133f4ab75a85a736217560c8d24fb9d1
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 964
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:17:59Z — the Bitcoin date is the one that counts