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
- 729036b7445e6786ad2107a0b01187c92037622f38a1cbbd40e70a9ae21b2fd3
- Content hash
- 5a0fa6c803b349416c4c8182fbdab05d6e4a762f00d00649f4754ea69ff957b0
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,773
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Waiting for Bitcoin (usually a few hours)
- Created (claimed)
- 2026-10-03T07:18:07Z — the Bitcoin date is the one that counts