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
- 3e97571c8939d9eb6e428d275b7cd0dd6e0b63f371341d5dfec46766432a6597
- Content hash
- 764a38ffb80bc3831ff211c08d579f0b8f9524c00c4516549a285042fdc25945
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 2,040
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:10Z — the Bitcoin date is the one that counts