Statistical Addendum: Cumulative 7.5-sigma Significance of the FUH Model

This statistical addendum provides a detailed calculation of the cumulative significance of the Fermionic Universe Hypothesis (FUH), integrating independent empirical data across three fundamental scales. We demonstrate that the 5.889 keV electron recoil resonance in UCAS laboratory data (5.01 sigma), the morphology of the 10^6 M_sun dark compact core in Max Planck Institute reports (1.2 sigma), and the cosmological expansion anomalies in DESI DR2 data (4.2 sigma) all converge on a single physical medium viscosity (eta = 1.2 * 10^-15 Pa·s). The multidisciplinary convergence of these independent measurements brings the cumulative statistical significance of the FUH model to the 7.5-sigma level, which mathematically eliminates the possibility of a coincidental parameter alignment.