record state
frontier-ownedReview status
This finding is part of accepted frontier state. Review events, reviewable changes, and proof state explain how it can change.
unreviewed
frontiers / frontier
Finding bundle
back to staterecord state
frontier-ownedThis finding is part of accepted frontier state. Review events, reviewable changes, and proof state explain how it can change.
finding statement
finding typeNo entity list is declared.
evidence
source-boundtheoretical · manual state transition
proof impact
packet context1 reviewable changes and 0 evaluation records are attached to this finding id.
Evidence and conditions
method
manual state transition
evidence type
theoretical
conditions
Provenance
source title
CMB and baryon acoustic oscillations standard rulers physics
authors
reviewer:will-blair
The sound horizon is set by the speed of sound in the photon-baryon plasma and the redshift of recombination; it represents the cosmological horizon scale imprinted at last scattering.
vs_384404b3cbb29383 · manual_curation
outgoing
vf_e07090e178922658Sound speed and z_rec are the primary physical inputs determining rs; baryon drag epoch is where sound speed calculation finishes
incoming
contradicts · vf_fa16dbf5d74cd8e4
supports · vf_8069d7585c39d592
events
vev_1bdaeb6e4588adc9finding.assertedManual finding added to frontier state
reviewer:will-blair · 2026-05-29
reviewable changes
vpr_003f399158bcfe0ffinding.addManual finding added to frontier state
applied · reviewer:will-blair · 2026-05-29
evaluations
No evaluation record targets this finding id.