Metric Chronetic Theory (MCT) Phase 5: Material Convergence of the 19.41 Invariant

This project documents Phase 5 of Metric Chronetic Theory, which extends the 19.41 metric impedance invariant beyond cosmology into material science and advanced communication engineering. Building on the empirical validation established in Phase 4, this phase examines how the same invariant appears in terrestrial systems, including ZIF‑62 glass transition luminescence thresholds and sidelobe suppression targets in 6G holographic massive MIMO architectures. The goal of Phase 5 is to demonstrate that the 19.41 constant and its associated elastic limit are not limited to astronomical or theoretical contexts but emerge as practical engineering boundaries in real materials and transceiver designs. This registration differs from prior phases by focusing on laboratory‑scale and technological convergence rather than cosmological datasets. It does not contain preregistration materials.