Paper Citation Record · LEDGER

N-photon amplitudes in a plane-wave background

As of 21 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:2105.08173.

A citation records a reference. It does not transfer a finding from one paper to another.

Coverage vector

measured 0 of 0 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links

measured 2 of 2 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-21T06:32:19.484+00:00

measured 2 of 2 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-15T23:51:43.457413Z

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: pith, observed 2026-08-15T23:51:44.447928Z

0 of 0 outbound references displayed

External citation measurements

No source-named external measurement is stored.

No outbound reference observations are available for this paper version.

Observation 24b4782c-c69e-45e0-8557-3e9fe7dde2a0 · inbound

Reference 14

Resolution: verified exact; local_arxiv, observed 2026-08-15T23:51:44.453433Z

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 f3ef4e8d-ffd9-4149-9214-f39a9b740efb · inbound

Reference 10

Resolution: unresolved; no resolver link, observed 2026-08-02T05:38:42.491424Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.