Paper Citation Record · LEDGER

The observer-dependent shadow of the Kerr black hole

As of 14 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 4 inbound Pith citation observations for arXiv:2104.14221.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
2104.14221 v2

Coverage vector

measured 0 of 0 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links

measured 4 of 4 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-14T06:32:32.682623+00:00

measured 4 of 4 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-06T04:53:32.326135Z

measured 0 of 1 external citation measurements

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

Source: arxiv_reference, observed 2026-07-02T14:17:03.252252Z

Reference resolution

0 of 0 outbound references displayed

verified exact0
verified fuzzy0
unresolved0
parse uncertain0
malformed identifier0
metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

No outbound reference observations are available for this paper version.

Pith citing papers

Observation 3b1f7fc3-73bc-4af9-9eb5-9ffc54caba75 · inbound

Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A$^*$ cites this paper.

Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A$^*$ The observer-dependent shadow of the Kerr black hole

Reference 213

Resolution: verified exact; arxiv_id, observed 2026-05-16T11:20:52.994737Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

Observation d99edb80-eb2f-4429-880c-19ed57cd9553 · inbound

Optical Characteristics of the Kerr-Bertotti-Robinson Black Hole cites this paper.

Optical Characteristics of the Kerr-Bertotti-Robinson Black Hole The observer-dependent shadow of the Kerr black hole

Reference 20

Resolution: unresolved; no resolver link, observed 2026-08-06T04:53:32.326135Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 009e9792-701a-42aa-acb4-f5167c6f9345 · inbound

Critical Behavior of Photon Rings in Kerr-Bertotti-Robinson Spacetime cites this paper.

Critical Behavior of Photon Rings in Kerr-Bertotti-Robinson Spacetime The observer-dependent shadow of the Kerr black hole

Reference 44

Resolution: unresolved; no resolver link, observed 2026-08-02T17:32:16.171194Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 600e8c05-37ee-4a4e-a16c-e2f9d74bbd5b · inbound

Detectability of secondary images from flares near Sgr A* with mock GRAVITY data cites this paper.

Detectability of secondary images from flares near Sgr A* with mock GRAVITY data The observer-dependent shadow of the Kerr black hole

Reference 13

Resolution: verified exact; arxiv_id, observed 2026-07-02T14:17:03.253596Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.