Ø Frozen Predictions · the document of record

Errata — 2026-08-02

Freeze date: 2026-08-02 Author: G · Studio G · the420code.org Reproduction: verify_prereg.py and verify_cosmology.py in this directory Status: frozen for commit. The commit hash is the timestamp.

This file records what changed on 2026-08-02 and why, in a form a referee can check. Every number here is regenerated by the two verification scripts.


E1 — α mislabelled (site, README, root verify.py)

1/137.035999084 is CODATA 2018. CODATA 2022 is 1/137.035999177(21). The corpus compares against CODATA 2022 measured values, so the inputs were mixed vintages. Effect on the proton prediction: 0.013 ppt — numerically irrelevant, the label was wrong.


E2 — uniqueness of the 1836 decomposition (Ø Predictions Part I, AP30 §3)

Ø Predictions states three conditions and reports exactly one survivor. Independent enumeration reproduces the eleven under the first two conditions and returns two under all three:

A fourth condition — factor count per term, with multiplicity, non-increasing across the ordered triple — leaves exactly one. AP30's prose already states the criterion but as "fewer," which is strictly decreasing; the adopted decomposition is 3, 2, 2. AP30's wording is corrected to "no more than." Condition 4 was formalised 2026-08-02, after the alternative surfaced. Declared.


E3 — KS-30.4 status event

Within-family limb: reopened 2026-08-02, closed same day by condition 4, ordering disclosed. Between-family limb unchanged and open. Total switch count unchanged at 561.


E4 — the α² coefficient 16

AP30 §6 states its decomposition is owed under KS-30.3. Any site or README text presenting 16 as derived must be corrected to match AP30's own ledger.


E5 — the α³ residual

Restate as: 9.98 ppt above measurement, 0.57σ, with the α³ coefficient currently unconstrained at c₃ = −0.047 ± 0.082. There is no α³ prediction.


E6a — the neutron–proton difference. KS-NPP.1 has fired.

Predicted 2.53099393, measured 2.530988574 ± 0.00000074. The offset is 2.12 ppm against a measurement bar of 0.288 ppm — 7.24 σ, verified two independent ways (mass-ratio route and atomic-mass-unit route). The corpus reports "about two parts per million" without stating the measurement's own precision, which reads as agreement. Every occurrence must state the sigma. Record KS-NPP.1 as FIRED on its empirical limb; the structural limbs (KS-NPP.2 sign, KS-NPP.3 lattice) are unaffected. No repair is offered: the required correction is negative, and every existing term in both AP30 formulas is positive.


E6b — the visible fraction

The corpus quotes the observed value as 4.86 % and the deviation as 2.0 %. Recomputing from Planck 2018 gives 4.86–4.91 % depending on data column and normalisation; 4.86 is the bottom of that range. Against the midpoint the deviation is 2.5 %, i.e. 2.46 σ. State the range and name the convention.


E6c — the α² coefficient is now pinned (a strengthening, not a correction)

The measurement requires 0.1826623 ± 0.000601 — a 0.33 % constraint. The corpus value 21×16/1836 agrees at 0.57 σ, implying 16 = 15.97 ± 0.05. As a numerator over 1836 the requirement is 335.4 ± 1.1, and 336 is the only product of powers of {21, 3, 4} inside 3 σ. KS-30.3 is restated: the value is settled, the decomposition is what is owed.


E7 — citation

Alighanbari et al. is Nature 644, 69–75 (2025). Correct any occurrence of "Nature 625."


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