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
- a42b49a7cfd43bc52f398822eed1ec017edbed0b0ebeec9bf9e2896938e36607
- Content hash
- f6a9a6c004a89acd6b1824f7b3154bb89b6c88b4a1e0ec347985f121a11f7992
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,766
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:07Z — the Bitcoin date is the one that counts