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
957214e37a85f417c0e8be228f1bb82e50b5e290db2aef446f539edcd492bd55
Content hash
07bfcc70d895f8dbeb51316216ece699009f3d76c53b9dbccf76824ab4ccfa0e
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
2,482
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)