Paper Citation Record · LEDGER

Topological axion electrodynamics and 4-group symmetry

As of 9 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 3 inbound Pith citation observations for arXiv:2107.08753.

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 3 of 3 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-09T06:31:02.800959+00:00

measured 3 of 3 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-08T00:16:14.614572Z

measured 0 of 1 external citation measurements

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

Source: arxiv_reference, observed 2026-05-21T13:10:10.625741Z

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 350a6ef8-ba13-484f-a2f1-e47b2c0edc64 · inbound

Reference 205

Resolution: metadata mismatch; arxiv_id, observed 2026-05-17T14:19:44.824618Z

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 88142f15-a0e9-4905-88cc-9caec012e6b3 · inbound

Reference 28

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 28d17966-0963-4feb-95c7-839f3da935c5 · inbound

Reference 68

Resolution: unresolved; no resolver link, observed 2026-08-08T00:16:14.614572Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.