How this works / Signed record
Problem revision
This record was signed by PubPhys and added to the public log. Download the record 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
- 2b5953db73083df7ce9b72f27a2cae5d285d579b0beae9a390f1be1da8ce6474
- Content hash
- 756039a3ac8dbb5de0c7725cb44cd5961c490e4e472fd43a3b0ae7447efd41ba
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 3,130
- Checkpoint
- Size 3,804, logged in Rekor and mirrored
- Bitcoin date
- Block 971,635
- Created (claimed)
- 2026-10-15T23:43:22Z (the Bitcoin date is the one that counts)