Two Altitudes: The Saturated Sound-Horizon Read of the Hubble Tension (P4-A)

P4-A, the guidepost campaign's last unrun frame-native cosmology quantity, run at both altitudes. Early altitude: counting saturation acts above E_ind = 3.02e18 eV, where the sound horizon accumulated only ~5e-10 of itself, so saturation moves r_s by at most ~1e-9 relative — eight orders below the Hubble tension; the early arm is null. Late altitude: re-inferring H0 from Planck's theta* and r_* under the frame's joint point (Omega_L, w0, w_a) = (0.685, -1, -0.661836) instead of Lambda gives H0 = 68.15 against the Lambda calibration's 67.35 from identical inputs: +0.80 km/s/Mpc, +0.0051 dex, 14.7% of the 0.0349-dex tension, in the direction pre-registered from the sign of f_DE. The campaign's movement line (at least half the tension, H0 >= 70.16) does not fire and the paper grades itself PARTIAL. The 211 toll member drags the inference the wrong way (65.20). The script's first run spent the drag-epoch sound horizon as theta*'s numerator and was caught by its own calibration gate; disclosed on the paper's face.

Authors

Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-11-06
DOI
https://doi.org/10.5281/zenodo.24013767
Primary Topic
Cosmology and Gravitation Theories
Type
preprint
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preprint

Two Altitudes: The Saturated Sound-Horizon Read of the Hubble Tension (P4-A)

William Alexander Aldred
3 links
Zenodo (CERN European Organization for Nuclear Research)
Cosmology and Gravitation Theories
preprint

Two Altitudes: The Saturated Sound-Horizon Read of the Hubble Tension (P4-A)

William Alexander Aldred
preprint en

Abstract

P4-A, the guidepost campaign's last unrun frame-native cosmology quantity, run at both altitudes. Early altitude: counting saturation acts above E_ind = 3.02e18 eV, where the sound horizon accumulated only ~5e-10 of itself, so saturation moves r_s by at most ~1e-9 relative — eight orders below the Hubble tension; the early arm is null. Late altitude: re-inferring H0 from Planck's theta* and r_* under the frame's joint point (Omega_L, w0, w_a) = (0.685, -1, -0.661836) instead of Lambda gives H0 = 68.15 against the Lambda calibration's 67.35 from identical inputs: +0.80 km/s/Mpc, +0.0051 dex, 14.7% of the 0.0349-dex tension, in the direction pre-registered from the sign of f_DE. The campaign's movement line (at least half the tension, H0 >= 70.16) does not fire and the paper grades itself PARTIAL. The 211 toll member drags the inference the wrong way (65.20). The script's first run spent the drag-epoch sound horizon as theta*'s numerator and was caught by its own calibration gate; disclosed on the paper's face.

Zenodo (CERN European Organization for Nuclear Research)
Cosmology and Gravitation Theories
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