Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 20 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 4 inbound Pith citation observations for arXiv:2110.13993.
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 2026-08-20T06:33:59.587034+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-12T11:38:36.548338Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-08-07T14:38:18.891269Z
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 9673b6f8-0ee4-46f7-b61d-c2ba3bd075c9 · inbound
A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects Planetary Nebulae: Sources of Enlightenment
Reference 24
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 74682c9a-ab99-40e2-a845-34043b24bbc5 · inbound
Unveiling compact planetary nebulae: Broad-band survey analysis and LAMOST confirmation Planetary Nebulae: Sources of Enlightenment
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation da16689a-45c5-4c20-bc8c-94966556fee4 · inbound
Dynamical formation of long-period exoplanets systems in evolving binary stars Planetary Nebulae: Sources of Enlightenment
Reference 65
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 72430808-3f96-4902-b6ce-6b133f03adf0 · inbound
High-resolution spectroscopy of the bipolar proto-planetary nebula Hen 3-1475, the Garden Sprinkler Nebula Planetary Nebulae: Sources of Enlightenment
Reference 36
Source-reported events for the cited work
Unavailable: canonical work link unavailable.