How this works / Signed record

Problem revision

Threshold speed for air entrainment in forced wetting

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
334a0ed2845fcb864ceff226ac3480c2238a82201957cb3bc61fef48adb6c1e7
Content hash
6b2bfecd2cfda2e365e123cf91a1571d00e424095175f573e9ba3f045da4c1ce
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,400
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:03Z — the Bitcoin date is the one that counts