How this works / Signed record

Problem revision

Dose at the scale of nephrons and marrow cavities

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
2f5a194688cd84e3da210d42cbcc78897d5639b57e6c70033dfb816fb15dbb27
Content hash
fe1d535058ff95261e0ef23b834a50f1707de08757d443e268201528f69b497f
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,724
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:07Z — the Bitcoin date is the one that counts