Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
An Optimal Transport Approach to Estimating Causal Effects via Nonlinear Difference-in-Differences
As of 10 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:2108.05858.
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 2026-08-10T06:31:04.303077+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-04T10:09:44.473663Z
A source-named dated measurement, never combined with another source.
Source: arxiv_reference, observed 2026-05-21T06:24:00.723268Z
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 9a597217-eb8d-49aa-a9af-468d82da6104 · inbound
Compositional difference-in-differences cites this paper.
Compositional difference-in-differences An Optimal Transport Approach to Estimating Causal Effects via Nonlinear Difference-in-Differences
Reference 37
- Resolution
- unresolved
- no resolver link, observed 2026-08-04T10:09:44.473663Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3b838f02-d600-4e73-b690-bb3582b841d8 · inbound
Sample Complexity of Transfer Learning: An Optimal Transport Approach cites this paper.
Sample Complexity of Transfer Learning: An Optimal Transport Approach An Optimal Transport Approach to Estimating Causal Effects via Nonlinear Difference-in-Differences
Reference 49
- Resolution
- verified exact
- arxiv_id, observed 2026-05-21T06:24:00.725008Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.