How this works / Signed record

Problem revision

Physical limits of gradient sensing by cell collectives

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
aa0b8774704ba75ceaf93f5d9fefc9f1fade866637a142e72804df6a11674d83
Content hash
9fa2254f3b9b6040cbbfd0a5cf11d71c9b1ecf875f737789104834da4cdbfd52
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
744
Checkpoint
Size 2,123, being published
Bitcoin date
Waiting for Bitcoin (usually a few hours)
Created (claimed)
2026-10-03T07:17:57Z — the Bitcoin date is the one that counts