How this works / Signed record

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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
cf1c1381b2f25c554415a584597e4f4a32f08111dfb0c84930a1531e6664705d
Content hash
b38e4942cf695a667d18c84947cad4d3e21bff509fbe994e3715de35b4dafecd
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
2,885
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)