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 2 inbound Pith citation observations for arXiv:1812.03550.
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 2026-08-10T19:27:23.841063Z
A source-named dated measurement, never combined with another source.
Source: arxiv_reference, observed 2026-05-11T23:01:20.933164Z
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 3cf4dfca-3e06-404b-8e97-e63149e3c695 · inbound
A state sum for four-dimensional Lorentzian quantum geometry in terms of edge vectors Spin foam models and the Duflo map
Reference 39
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ad2884ff-3f2c-4038-ace5-a3bc1a481edb · inbound
Toller matrices and the Feynman $i\varepsilon$ in spinfoams Spin foam models and the Duflo map
Reference 31
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.