Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 11 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:math-ph/0012006.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-11T06:34:44.6726+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-03T00:38:50.824124Z
A source-named dated measurement, never combined with another source.
Source: cited_works
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 ca704e7e-16a3-4db0-b985-6615ba044f9e · inbound
Obstructions to Traversable Wormholes in Einstein-Dirac Theory The Pin Groups in Physics: C, P, and T
Reference 55
Source-reported events for the cited work
Unavailable: canonical work link unavailable.