Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 21 July 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:1908.06100.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-05-17T23:41:11.040188Z
A source-named dated measurement, never combined with another source.
Source: arxiv_reference, observed 2026-05-17T23:41:11.669355Z
0 of 0 outbound references displayed
External citation measurements
No source-named external measurement is stored.
No outbound reference observations are available for this paper version.
Observation f4b20cfe-7f7d-4b54-a4fa-f4f5202ee3ef · inbound
The Hubble Tension and Early Dark Energy Gravitational waves, CMB polarization, and the Hubble tension
Reference 122
Source-reported events for the cited work
Unavailable: named source frontier unavailable.