Paper Citation Record · LEDGER

Twisted and untwisted negativity spectrum of free fermions

As of 15 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:1906.04211.

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 2026-08-14T06:32:32.682623+00:00

measured 2 of 2 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-14T12:20:24.475842Z

measured 0 of 1 external citation measurements

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

Source: pith, observed 2026-08-07T15:21:47.212142Z

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 0d92ce22-9c2c-4060-82aa-343a2e2b82d6 · inbound

Reference 128

Resolution: unresolved; no resolver link, observed 2026-08-14T12:20:24.475842Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 03510860-4ab5-4c7a-8a28-3561a1f006bd · inbound

Reference 36

Resolution: verified exact; local_arxiv, observed 2026-08-07T15:21:47.331604Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.