2026-07-21 (IX) ( v499 — the P2 weight-typing postulate HARDENED: the anchor [formula in source] typed as the Birkhoff–Grothendieck splitting exponents of the Deligne canonical extension, so integrality/positivity/sum- [formula in source] become theorems given the \ anchors; the v491 check-9 residual sharpened, the tfpt_2 ``balanced'' selection typed as stability; Wolfram extension [formula in source] (verified engine run); no gate closes, no marker moves — AX.P2.01 stays a declared axiom, QGEO.SYM stays )
Research changelog · TFPT — Introduction and reading guide
v499_p2_weights_deligne_bg.py ( P2.TYPING.01, 23 checks, sympy exact, no floats). v491 reduced P2 to `` [formula in source] positive integers summing to [formula in source] ''; its residual was the typing (why integers, why positive, why sum [formula in source] ). Now typed: given the \ anchors ( [formula in source] marks, v216; rank [formula in source] , v137/ v228; cusp-class local monodromy [formula in source] and
Opening source excerpt. Formulas and the full argument remain in the original document.
Source location and explicit evidence links
documents/changelog/sections/007-source.tex · lines 47 to 94
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