How this works / Signed record

Problem revision

Closed-form free energy or exponents of the 3D Ising model

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
b5387de5ebb8f57475b4d6ddb52e8674dd2cfb04430e9872a3ff42e303abf9d2
Content hash
e8bcb32a2dd85e6eeaa34af476a5c22929e145d6f5aae826929f0038f8ea3c24
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
2,082
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