Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
Spectroscopic investigation of old planetaries IV. Model atmosphere analysis
As of 9 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:astro-ph/9908181.
A citation records a reference. It does not transfer a finding from one paper to another.
Coverage vector
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-09T06:31:02.800959+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-04T17:49:43.354744Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-08-05T02:28:24.338817Z
Reference resolution
0 of 0 outbound references displayed
- verified exact0
- verified fuzzy0
- unresolved0
- parse uncertain0
- malformed identifier0
- metadata mismatch0
External citation measurements
22
pith, observed 2026-08-05T02:28:24.338817Z
Outbound references
No outbound reference observations are available for this paper version.
Pith citing papers
Observation affcdcbc-228e-408d-aa2c-0b11319234a9 · inbound
Central-star extinctions towards planetary nebulae cites this paper.
Central-star extinctions towards planetary nebulae Spectroscopic investigation of old planetaries IV. Model atmosphere analysis
Reference 74
- Resolution
- unresolved
- no resolver link, observed 2026-08-04T17:49:43.354744Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 20d541ac-97b2-482c-9d29-ade2f287a815 · inbound
Studying hot evolved stars with ultraviolet spectroscopy cites this paper.
Studying hot evolved stars with ultraviolet spectroscopy Spectroscopic investigation of old planetaries IV. Model atmosphere analysis
Reference 148
- Resolution
- verified exact
- local_arxiv, observed 2026-06-28T03:11:30.937384Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.