How this works / Signed record

Topic

Energy cost of biological accuracy and timekeeping

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
fa5a2b5a5ef38544b68e067ac335f685369c4bef3348616fa71997a19f8444ca
Content hash
440c2432a811a599f2b7075f2ba4ca60076d566753659563516b178530eb175e
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
79
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:50Z — the Bitcoin date is the one that counts