How this works / Signed record

Topic

Biological clocks and timing of development and division

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
20496ed70ccc36c864251d0132a10176bf3801ad8197e51e3739d462e1620f27
Content hash
cd513c56e5c81821203be12ec6cd8b21769953bb7cd014873092bcccb8829647
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
82
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