How this works / Signed record

Problem revision

Does the cyanobacterial KaiABC clock run near minimal cost?

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
4d4d98442ba86ec2451653cb2c2e88d246bad1c8231a88c8f9c60c510e7f0b65
Content hash
37559d235c23a0b40ee26c0ca1f266ed9745ec63c347dff2f364dcce101031ac
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
714
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:56Z — the Bitcoin date is the one that counts