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
c8a8b4a5d5776c6b4ad98afef60451aab40c0610fe82511f930c676392d39d15
Content hash
4bf710a6978564f1dd9807f26cf74985935f8e826684005cde4c1ff01b1afc12
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
2,559
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)