Paper CLXVIII of the One-Octonion Brane-Bulk Series The Dwarf Spheroidal Dynamical Attractor as the T1/T2∗ Boundary:

Pe˜narrubia hereafter PN26) demonstrate that Milky Way dwarf spheroidal galaxies (dSphs) converge to a universal attractor in the (ηr, ησ) = (rhalf/rmax, σlos/vmax) plane with fixed point (1, 0.5), driven by the combina- tion of stochastic heating from dark subhalo encounters and tidal stripping. We identify every component of this attractor with brane-bulk framework structures. The attractor is the T1/T2∗coherence boundary; stochastic subhalo heating is T2∗dephasing (irreversible, static inhomogeneity); tidal relaxation to the fixed point is T1 equilibration; the Osipkov– Merritt anisotropy radius is the T2∗coherence radius; and the radial-orbit bias signature is the Lense–Thirring precession imposed by sump spin with twist τ = 67.79◦(Paper CXXVII). The condition rmax = p GMsump/a0 is an exact identity in MOND: by the zero-jerk condition, rmax = rT2∗. The MOND mass–radius relation MHA = a0r2 half/G emerges at the attractor, with log–log slope 2 exactly. Three formal predictions; zero free parameters. CLXVIII-3 (slope test) is immediately testable from published PN26 Fig. 3 data. Correction: the prediction σiso/σtidal = 1.26 (direct ratio of the PN26 ησ values 0.63/0.50) supersedes an earlier miscomputed value of 1.16. Part of the One-Octonion Brane-Bulk Framework series. Anchor DOI: 10.5281/zenodo.19120873. Community: one-octonion-brane-bulk. Author: Bharathi Dasan Jagadeesan, M.D., University of Minnesota. ORCID: 0000-0002-1143-941X.