source boundary
frontier-owneddeclared
A source record is provenance. It supports a finding only through evidence atoms, extraction spans, and reviewed finding bundles.
frontiers / frontier
Source record
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frontier-ownedA source record is provenance. It supports a finding only through evidence atoms, extraction spans, and reviewed finding bundles.
finding bindings
record contextFindings bound to this source through source ids, evidence atoms, provenance, or reviewed source-record slots.
evidence atoms
materializedEvidence atoms pin exact spans, measurements, selectors, or curation assertions to the source.
review context
inspectable1 reviewable changes and 0 evaluations are attached through this source or its findings.
Locator and citation
external sourcelocator
title:Determining the Hubble Constant without the Sound Horizon Scale (arXiv:2007.04007)
imported
2026-05-29T02:16:29.563920+00:00
extraction mode
manual_curation
authors
reviewer:will-blair
Caveats
No source-specific caveats are recorded.
observational · vf_2c3e0bbea5a5c68e
Sound-horizon-free H0 constraints derived from CMB lensing (without invoking early-universe physics) yield H0 = 73.5 ± 5.3 km/s/Mpc, broadly consistent with the distance ladder but with larger uncertainty, demonstrating that the tension can be accessed independently of sound-horizon assumptions.
events
vev_a06fb3b29488af4afinding.assertedManual finding added to frontier state
reviewer:will-blair · 2026-05-29
reviewable changes
vpr_1f21043db59bfa82finding.addManual finding added to frontier state
applied · reviewer:will-blair · 2026-05-29
evaluations
No evaluation rows are attached.