Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 15 July 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:1801.02554.
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, observed 2026-07-14T06:31:01.685423+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-07-11T11:50:26.030339Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-07-09T08:05:16.230513Z
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 9ff79515-4421-4cae-9735-25c7344b4501 · inbound
The Barnard's Star Planetary System: Stability, Composition, and Evolution of Four Sub-Earth Exoplanets Early 2017 observations of TRAPPIST-1 with $\textit{Spitzer}$
Reference 76
Source-reported events for the cited work
No event found in the named queried sources as of 2026-07-14T06:31:01.685423+00:00.