V.T211 — Distance Modulus from τ-Native Parameters

Distance modulus μ(z) = 5·log₁₀(d_L/10pc) from τ-native parameters matches Pantheon+ SN Ia data to <0.5 mag at all z ≤ 2.3. The τ-native and Planck-ΛCDM distance moduli differ by at most Δμ ≈ 0.001 mag (310 ppm in d_L).