X3 Protocol v1.0: A Constraint Experiment for Coherence‑Dependent Information–Mass Coupling

X3 Protocol v1.0 presents the first controlled experimental test of coherence‑dependent information–mass coupling, as predicted by the CCEC theoretical framework. The experiment compares two solid‑state drives that differ only in their informational coherence state: one containing structured, low‑entropy filesystem data (high ICS) and one containing pseudorandom data (ICS ≈ 0). The protocol defines a complete, reproducible methodology for preparing informational states, verifying entropy and ICS, controlling environmental variables, performing high‑precision gravimetric measurements, correcting for drift, and analysing data statistically. It includes detailed procedures for calibration, symmetry, thermal…