How this works / Signed record

Problem revision

A correct low-degree criterion for polynomial-time hardness of inference

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
20cdba5cac458f244172b9abba5f0486084b3ba37054a59ee53c131668baa793
Content hash
dd1f1eb3c8350dd38bb4f84b076291fb56a5ccabcd66c04cc92588fc00eeb232
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
2,092
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:11Z — the Bitcoin date is the one that counts