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
- 065c8c4af953fe85e5c156c66b4e0b7a9e7e7f362420ec7339edf5a416f3ebae
- Content hash
- ff95a8f183ebc25e4b7e35cf9a67bc0bcf9c76f41c183d1d5f26a3b8bd6c2f50
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,516
- 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