Geometric Origin of Zero-Point Motion from Spinor Holonomy and Finite-Resolution Time Readout

Preprint. Publicly released on Zenodo prior to journal submission.This preprint derives zero-point motion as a geometric consequence of spinor holonomy under finite-resolution time readout. The key mechanism is time quantization combined with a minimal phase/action discretization, yielding a non-vanishing residual motion even in the ground-state limit, without introducing ad hoc stochastic assumptions.Related preprint: A. Otsuka, “Unique Rank-1 Metric Correction Ensuring Strictly Positive Spacetime Volume without New Degrees of Freedom,” Zenodo (2026), doi:10.5281/zenodo.18158248.