ZQCM‑B9‑Final‑V6‑EN

This ZQCM-B9-Final-V6-EN archive fully locks three neutrino masses and proton decay lifetime within the S³ spectral geometric framework. Based on rank-2 seesaw mechanism, T14 residual correction and cross-scale rank-jump theorem, we derive rigid neutrino mass values: \(m_1=0.0024\ \text{eV}\), \(m_2=8.11×10^{-3}\ \text{eV}\), \(m_3=0.0475\ \text{eV}\), with total sum \(\sum m_\nu=0.0580\ \text{eV}\) consistent with cosmological bounds. The structural lifetime window for proton decay \(\tau(p\to e^+\pi^0) \in [1.2×10^{36},2.1×10^{37}]\) years is uniquely fixed via Spin(10) leptoquark mass derivation. No free adjustable structural parameters are introduced.