How this works / Signed record

Topic

Next-generation clocks and redefining the second

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
5d572b616becc2d77dc7833412720dbdbc6e7e6aa45f95467fa95e2923acf321
Content hash
e097c1396ff228487ce4c128057cb5c8314f016948448fe9bdc1b3ecca8deb70
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
21
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:49Z — the Bitcoin date is the one that counts