Paper Citation Record · LEDGER

Exact Formulas for Spherical Photon Orbits Around Kerr Black Holes

As of 8 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:2009.07012.

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 2 of 2 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-08T06:32:00.761636+00:00

measured 2 of 2 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-07T04:09:25.020254Z

measured 0 of 1 external citation measurements

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

Source: pith, observed 2026-08-06T20:10:46.286877Z

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 0b12a290-ddcb-4a8c-b470-ab2fd1ed3494 · inbound

Reference 15

Resolution: unresolved; no resolver link, observed 2026-08-07T04:09:25.020254Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation ab800757-c426-464f-a243-893f3fedf82e · inbound

Reference 23

Resolution: verified exact; local_arxiv, observed 2026-08-06T20:10:46.291586Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.