Paper Citation Record · LEDGER

Direct Integration for Multi-leg Amplitudes: Tips, Tricks, and When They Fail

As of 17 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:2103.15423.

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 2026-08-16T06:30:59.297886+00:00

measured 2 of 2 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-02T18:05:16.122483Z

measured 0 of 1 external citation measurements

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

Source: arxiv_reference, observed 2026-07-03T02:17:35.348032Z

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 919dddfa-7809-474c-8495-1c2d85dd7e4e · inbound

Reference 65

Resolution: unresolved; no resolver link, observed 2026-08-02T18:05:16.122483Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 45abe757-d59f-4b9a-8bf7-054ca6df6a03 · inbound

Reference 26

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.