From a 6-dimensional framework (5D hypercube + 4-valued discrete label axis Q), this paper derives: spin classification stability, color charge from Q labels, 8 gluon states (3x3-1), 12 gauge boson states, graviton placement, mass from R-axis signed area, and a complete correspondence of 62 SM+gravity states. v3: Clarified spatial axis parity wording, weakened coupling-hierarchy claim, added §9.6 on charge asymmetry.
Noriaki Kihara (Sun,) studied this question.