We prove three exact theorems about the density matrix of a fermion in equal superposition across n sites, within the codec framework of Papers I–VII. Let F = diag(ρ) be the fermionic diagonal and B = ρ − diag(ρ) the bosonic off-diagonal. Then:
| ∥F∥ | = | ||
| ∥B∥ | = | ||
| ∥F∥2 + ∥B∥2 | = 1 (Conservation Law). |
All three results are phase-independent and hold for arbitrary n ≥ 1. The winding number m of the phase pattern determines the internal symmetry of the fermion’s compression residual.
The central claim of this paper differs from the Standard Model in a foundational respect: bosons are not fundamental particles. They are the codec’s internal record of fermion transitions, and are never directly observed. Every physical observation is a fermion observation. The particle classification developed here is therefore a fermion classification: the pair (n,m) describes the fermion’s complexity class, and what Standard Model language calls a “gauge boson” is the name we give to correlations between fermion events that would otherwise require an unexplained interaction term. Under this reframing, the open problems of the framework reduce to purely fermionic questions: what distinguishes the charged lepton generations, why fermions carry the charges they carry, and why their trajectories produce the force laws they produce. A combinatorial argument for a 4-bit codec unit per fermion hop is noted but is explicitly not connected by any derivation to the observed lepton mass gaps, which are unequal (7.69 and 4.07 bits) and do not both round to a common unit.
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