Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
Projection-Cost-Preserving Sketches: Proof Strategies and Constructions
As of 19 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:2004.08434.
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 2026-08-19T06:32:44.657259+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-07T15:03:39.296369Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-08-07T15:03:43.063380Z
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 2adad136-b7cd-4221-9b54-77779b6ed9f3 · inbound
Quasi-optimal hierarchically semi-separable matrix approximation cites this paper.
Quasi-optimal hierarchically semi-separable matrix approximation Projection-Cost-Preserving Sketches: Proof Strategies and Constructions
Reference 58
- Resolution
- verified exact
- local_arxiv, observed 2026-08-07T15:03:43.138855Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.
Observation 68ded9f5-083d-4f5a-a697-a28d294f9066 · inbound
A recursive butterfly factorization with optimality guarantees cites this paper.
A recursive butterfly factorization with optimality guarantees Projection-Cost-Preserving Sketches: Proof Strategies and Constructions
Reference 19
- Resolution
- unresolved
- no resolver link, observed 2026-08-03T08:39:55.802074Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.