V.D258 — 20-Galaxy Benchmark Table

20-Galaxy Benchmark: V.T85 (Planck) tested across dwarfs (DDO 154, 5×10⁷ M☉) to giant spirals (NGC 2841, 9×10¹⁰ M☉). RMS scatter: 0.067 dex. Mean offset: −0.043 dex. BTFR slope: 3.991 (theory: 4.000). No mass-dependent trend (r=+0.21). Zero free parameters.