How this works / Signed record

Problem revision

Maximal precision of a quantum clock per unit entropy

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
88f21f85a8e828b5563bc09df37a7b2ab3b835f1b3664f435695e0ee99844a17
Content hash
9018a517d1aa1cef83ad623480042e3b3ba1f4b4ecbfa2d6946620d539156523
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
2,044
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:10Z — the Bitcoin date is the one that counts