Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
Self-duality, helicity conservation and normal ordering in nonlinear QED
As of 9 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:1806.02167.
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 2026-08-08T16:27:45.443528Z
A source-named dated measurement, never combined with another source.
Source: arxiv_reference, observed 2026-05-11T17:11:18.564588Z
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 96cbdb10-7ac3-4f74-bce0-a60b1761e8e1 · inbound
Gravitational electric-magnetic duality at the light ring and quasinormal mode isospectrality in effective field theories cites this paper.
Gravitational electric-magnetic duality at the light ring and quasinormal mode isospectrality in effective field theories Self-duality, helicity conservation and normal ordering in nonlinear QED
Reference 82
- Resolution
- verified exact
- arxiv_id, observed 2026-07-04T23:09:01.398777Z
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.
Observation 0239176e-edbe-46dc-8797-57d3bf6e8192 · inbound
$N$-Photon Amplitudes in EFT from Recursion Relations and Effective Vertices cites this paper.
$N$-Photon Amplitudes in EFT from Recursion Relations and Effective Vertices Self-duality, helicity conservation and normal ordering in nonlinear QED
Reference 76
- Resolution
- unresolved
- no resolver link, observed 2026-08-08T16:27:45.443528Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.