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 stateno incoming links yet
record 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
TDCOSMO Collaboration (Suyu et al., Birrer et al.)
doi
10.1038/s41550-020-1193-1
authors
reviewer:will-blair
Time-delay strong lensing of multiply-imaged quasars measures H0 independent of the cosmic distance ladder by inverting the Fermat principle: lensing geometry + time delays between images + stellar dynamics yield absolute distance without redshift ladder or supernovae calibration.
vs_f60e5657242daacd · manual_curation
outgoing
vf_8f99815ab33eeb12TDCOSMO's H0 measurement validates the time-delay lensing mechanism from first principles
incoming
No incoming links.
events
vev_61c4ae08ad461e26finding.assertedManual finding added to frontier state
reviewer:will-blair · 2026-05-29
reviewable changes
vpr_0780fdf34a0731ebfinding.addManual finding added to frontier state
applied · reviewer:will-blair · 2026-05-29
evaluations
No evaluation record targets this finding id.