Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
Improved Guarantees for Vertex Sparsification in Planar Graphs
As of 21 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:1702.01136.
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 2026-08-21T06:32:19.484+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-07-12T06:25:09.946876Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-07-04T20:40:08.550536Z
Reference resolution
0 of 0 outbound references displayed
- verified exact0
- verified fuzzy0
- unresolved0
- parse uncertain0
- malformed identifier0
- metadata mismatch0
External citation measurements
No source-named external measurement is stored.
Outbound references
No outbound reference observations are available for this paper version.
Pith citing papers
Observation 32e6b968-d17b-48ff-81e6-da00c183d0fa · inbound
Paths and Intersections: Recognizing Outerplanar Metrics cites this paper.
Paths and Intersections: Recognizing Outerplanar Metrics Improved Guarantees for Vertex Sparsification in Planar Graphs
Reference 67
- Resolution
- metadata mismatch
- local_arxiv, observed 2026-07-04T20:40:08.551923Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation cb4b2fc5-ae63-4bdc-ad11-3e22d38c1afc · inbound
Paths and Intersections: Minimum Realization of Okamura-Seymour Instances cites this paper.
Paths and Intersections: Minimum Realization of Okamura-Seymour Instances Improved Guarantees for Vertex Sparsification in Planar Graphs
Reference 73
- Resolution
- unresolved
- no resolver link, observed 2026-07-12T06:25:09.946876Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.