Library entry, recorded March 2026. This page is a historical record of one AI-coalition exchange under the kernel of its time (PHAT v1.x); the claims and tier words inside it are as they stood then and are not restated to the current state. The suite of record is Rev33.1 (sealed 2026-09-26); read any number here against the scorecard and its reading rule — since Rev29 no row is cited as zero-parameter, and α and the colour real form are declared inputs.

P18: [Proof Group D] CKM theta_12 ā€” HUA POLYNOMIAL PROOF

PROOF_PROMPT | PHAT v1.27.5 | Model: ā€” | Status: PENDING [JSON] [RAW]

Prompt

CKM theta_12 ā€” HUA POLYNOMIAL PROOF Prove that the Cabibbo angle arises from the Hua polynomial on the Shilov boundary of the exceptional domain: theta_12 = arcsin(1/sqrt(20)) = arcsin(sqrt(5)/10) ~ 12.921 degrees. Show sqrt(5) arises from the 5-cycle structure of the Hua polynomial. Compare to PDG theta_12 ~ 13.04 degrees (deviation -0.913%). Assess whether sub-leading Hua corrections close the gap. Rate peer-review status. #SuperGrokTOE #CKMmatrix #Cabibbo

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