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:2106.13175.
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 2026-08-10T18:11:03.263281Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-08-10T18:11:03.459380Z
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 51306ab6-8960-416f-a370-5b7256fd58b2 · inbound
Modelling the Sgr A$^*$ and M87$^*$ shadows by using the Kerr-Taub-NUT metrics in the presence of a scalar field Comparing Shadows of Blackhole and Naked Singularity
Reference 69
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.
Observation 97ceaaea-374e-478e-bcf1-917574995d35 · inbound
Optical appearance of regularized compact objects without an exterior photon sphere Comparing Shadows of Blackhole and Naked Singularity
Reference 83
Source-reported events for the cited work
Unavailable: canonical work link unavailable.