Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 21 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 3 inbound Pith citation observations for arXiv:1912.07495.
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 2026-08-21T06:32:19.484+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-01T17:57:59.216622Z
A source-named dated measurement, never combined with another source.
Source: arxiv_reference, observed 2026-05-16T11:20:52.980818Z
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 3390080c-7452-4e52-ac20-aa04087fc65c · inbound
Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A$^*$ First analytical calculation of black hole shadow in McVittie metric
Reference 210
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation abc3c679-47dc-442e-92d7-7b80de68678b · inbound
Shaving off soft hairs and the black hole image memory effect First analytical calculation of black hole shadow in McVittie metric
Reference 101
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation f00d96d8-bce7-44c8-ac3d-8e2e3b337ee5 · inbound
Shadow of the generalized Vaidya black hole First analytical calculation of black hole shadow in McVittie metric
Reference 51
Source-reported events for the cited work
Unavailable: canonical work link unavailable.