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A registered result in its source context

Original ledger classification: Reduction [E-num]/[E]/[O] (geometric side exact: t-independent rational twisted traces; value reduces to the one per-mark coupling rule)

Recorded statement: THE GEOMETRIC SIDE OF THE phi0 PUNCTURE TARGET IS EXACT (2026-07-14, deep-dive round; narrows HYP.PHI0.PUNCTURE.01/v408, does NOT close it): every twisted/orbifold heat trace of the flat tau = i pillowcase is a t-INDEPENDENT RATIONAL, so…

Statement, assumptions and sources

Paper context: Origin Theory

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HYP.PHI0.GEOM.01

Original ledger classification: Reduction [E-num]/[E]/[O] (geometric side exact: t-independent rational twisted traces; value reduces to the one per-mark coupling rule)

Original claim text

THE GEOMETRIC SIDE OF THE phi0 PUNCTURE TARGET IS EXACT (2026-07-14, deep-dive round; narrows HYP.PHI0.PUNCTURE.01/v408, does NOT close it): every twisted/orbifold heat trace of the flat tau = i pillowcase is a t-INDEPENDENT RATIONAL, so the pi^-4 in dtop = 48 c3^4 cannot come from flat orbifold geometry at ANY order -- the entire analytic content sits in the coupling normalisation of the contact insertions. [E-num] TWISTED TRACES EXACTLY 1: Tr(gamma e^{t Delta}) = 1 for gamma = sigma (z->-z), rho (z->iz), rho^3 at every tested t in [0.05, 3] (position-space Gaussian image sums / erf closed forms + 2d quadrature, residual < 1e-9; mode-space proof: gamma permutes Fourier modes, only n = 0 is diagonal) -- t-independent, no asymptotic tail. [E] ATIYAH-BOTT MATCH: 1 = 4 x 1/|det(1-dsigma)| with det = 4 = |mu4| (four Z2 marks) and 1 = 2 x 1/|det(1-drho)| with det = 2 = |Z2| (two order-4 points). [E] PILLOWCASE DATA EXACT: orbifold heat trace = (1/2) Tr_T2 + 1/2 -- the Z2 contact term is EXACTLY 1/2 = 4 x (1/8 per mark) for all t; the clock-equivariant pillowcase trace is exactly 1 for all t. [E]/[O] THE REDUCTION: dtop = 48 c3^4 = 3/(256 pi^4) decomposes as 4 = |mu4| contact insertions of per-mark weight c3 (giving c3^4) times the multiplicity Omega_adm = 48; the bare 1/(2 pi)-propagator 4-cycle differs by the exact RATIONAL 3/16; the ONE remaining [O] is the rule 'per-mark insertion weight = c3' (seam zeta/Green normalisation), the same residual class as the EM-Ward c3-ladder (EM.WARD.02). The target narrows from 'derive the term' to 'derive the weight'. Complements the experiments-side Donnelly probe (honest negative). No gate closes, no marker moves.

Original classification detail

Reduction: geometric/equivariant side exact (rationals, all t); dtop's pi^-4 = coupling normalisation; remaining [O] = the per-mark weight rule

Dependencies as recorded

HYP.PHI0.PUNCTURE.01; HYP.PHI0.01; ARCH.QUAD.01; EM.WARD.02; v37; v216; v396; v408

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Registered verification modules

  • v483_pillowcase_exact_traces.pyRegistered verification module · core
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    HYP.PHI0.GEOM.01: the GEOMETRIC side of the phi0 puncture target (HYP.PHI0.PUNCTURE.01/v408) is EXACT -- every twisted/orbifold heat trace of the flat tau = i pillowcase is a t-INDEPENDENT RATIONAL, so the pi^-4 in dtop = 48 c3^4 cannot come from flat orbifold geometry at any order. [E-num] Tr(gamma e^{t Delta}) = 1 exactly for gamma = sigma, rho, rho^3 at every tested t (position-space Gaussian image sums < 1e-9; mode-space proof: only n = 0 is gamma-diagonal); [E] Atiyah-Bott match: 4 x 1/4 (det = 4 = |mu4|) and 2 x 1/2 (det = 2 = |Z2|); [E] pillowcase contact term exactly 1/2 = 4 x 1/8 per mark, clock-equivariant trace exactly 1, all t. [E]/[O] the reduction: dtop's analytic content must sit in the per-insertion coupling normalisation (4 = |mu4| insertions of weight c3 -> c3^4, multiplicity Omega_adm = 48; the bare 1/(2pi) 4-cycle differs by the exact rational 3/16) -- the one remaining [O] is the rule 'per-mark weight = c3' (same class as EM.WARD.02). Target narrows from 'derive the term' to 'derive the weight'; stays open.

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