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
back to sourcessource boundary
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:SH0ES collaboration
imported
2026-05-29T02:26:43.096286+00:00
extraction mode
manual_curation
authors
reviewer:will-blair
Caveats
No source-specific caveats are recorded.
The local universe Hubble constant measured via the distance ladder (Cepheids + Type Ia supernovae) is H0 = 73.01 ± 0.99 km/s/Mpc, exhibiting a 5.3σ tension with Planck+ΛCDM early-universe value of 67.4 km/s/Mpc.
events
vev_a3f0c82dc75b8bdbfinding.assertedManual finding added to frontier state
reviewer:will-blair · 2026-05-29
reviewable changes
vpr_6b206f8b9d3d0326finding.addManual finding added to frontier state
applied · reviewer:will-blair · 2026-05-29
evaluations
No evaluation rows are attached.