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Paper Citation Record · LEDGER

Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

As of 22 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 24 inbound Pith citation observations for arXiv:0904.3575.

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

pith.paper-citation-record.v1
0904.3575 v3

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measured 0 of 0 reference resolution

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Source: paper_references, paper_reference_links

measured 24 of 24 standing notices

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Source: scholarly_work_events, retraction_status_cache, observed 2026-08-21T06:32:19.484+00:00

measured 24 of 24 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-15T17:09:13.560111Z

measured 0 of 1 external citation measurements

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

Source: pith, observed 2026-07-04T04:59:35.873093Z

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External citation measurements

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Outbound references

No outbound reference observations are available for this paper version.

Pith citing papers

Observation 8533527e-7e53-44bc-be0b-99695ff659f7 · inbound

Effect of gravitational wave on shadow of a Schwarzschild black hole cites this paper.

Effect of gravitational wave on shadow of a Schwarzschild black hole Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 37

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no resolver link, observed 2026-08-14T13:45:22.823123Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T13:45:22.823123Z digest=sha256:bafd7912b0f6d6c8b8541d556c287559c40b7039de482572febfa63026e71697

Observation beaec984-ac88-462c-97ae-1a9e75379f88 · inbound

Determining parameters of Kerr-Newman black holes by shadow observation from finite distance and spatial infinity cites this paper.

Determining parameters of Kerr-Newman black holes by shadow observation from finite distance and spatial infinity Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 27

Resolution
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no resolver link, observed 2026-08-12T21:39:35.696204Z

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Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-12T21:39:35.696204Z digest=sha256:e0004d5d06337473b8efe9b753a20b1a504b84b681fa2f581dd0e0d2a6a419cf

Observation 76de174f-7e33-4dcc-a559-e95866219eb3 · inbound

Shadows of rotating black holes in effective quantum gravity cites this paper.

Shadows of rotating black holes in effective quantum gravity Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 52

Resolution
unresolved
no resolver link, observed 2026-08-12T20:52:20.425217Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-12T20:52:20.425217Z digest=sha256:8ab62b68af8974ca158d4b33e39d8f984797490b61fb74b1e5c725a26bef536a

Observation 0b9ef25e-6a69-43e4-8994-f11d92763d99 · inbound

Shadows and accretion disk images of charged rotating black hole in modified gravity theory cites this paper.

Shadows and accretion disk images of charged rotating black hole in modified gravity theory Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 110

Resolution
unresolved
no resolver link, observed 2026-08-12T19:50:28.909572Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-12T19:50:28.909572Z digest=sha256:a13be244778c8837f1ad0203bc5884249586039db19fc373eda20d917fb5bb0e

Observation 87f1850b-ea9a-4c9d-9c69-18331aa68265 · inbound

Influence of Observer Inclination and Spacetime Structure on Photon Ring Observables cites this paper.

Influence of Observer Inclination and Spacetime Structure on Photon Ring Observables Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 53

Resolution
unresolved
no resolver link, observed 2026-08-12T14:40:04.220329Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-12T14:40:04.220329Z digest=sha256:db59554a4e971fb7980e94f02df119abdf884710d320795e4d1db18f0d60f33c

Observation 561f4eae-cc94-492d-807d-33c2e0f5a35a · inbound

Thermodynamics and Shadows of Kerr black holes endowed with a global monopole charge cites this paper.

Thermodynamics and Shadows of Kerr black holes endowed with a global monopole charge Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 41

Resolution
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no resolver link, observed 2026-08-07T11:26:23.333284Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-07T11:26:23.333284Z digest=sha256:09b19841eea108f14bf80a039ff7c547fc504b15d3de061e3a0362ab0e036401

Observation 327cddff-3eb6-4d47-9d6b-b72421fae621 · inbound

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

Optical Characteristics of the Kerr-Bertotti-Robinson Black Hole Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 13

Resolution
unresolved
no resolver link, observed 2026-08-06T04:53:31.640956Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T04:53:31.640956Z digest=sha256:6ebc1f77e8c2f271b2f4bb17484323598a32b7326d643a6d7f508481a166d997

Observation d887f832-0351-4fbd-92cf-62a154716a29 · inbound

Investigating Optical and Ring-Down Gravitational Wave Properties of a Rotating Black Hole in a Dehnen Galactic Dark Matter Halo cites this paper.

Investigating Optical and Ring-Down Gravitational Wave Properties of a Rotating Black Hole in a Dehnen Galactic Dark Matter Halo Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 65

Resolution
unresolved
no resolver link, observed 2026-08-15T17:09:13.560111Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-15T17:09:13.560111Z digest=sha256:f20d511a50e068c0127f711bea29793533c4add5b8d5f3bc67044d05f649c876

Observation 41224954-9557-4a82-9051-f3edbec7e73b · inbound

Probing Lorentz Symmetry Violation through Lensing Observables of Rotating Black Holes cites this paper.

Probing Lorentz Symmetry Violation through Lensing Observables of Rotating Black Holes Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 144

Resolution
unresolved
no resolver link, observed 2026-08-15T16:51:11.564668Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-15T16:51:11.564668Z digest=sha256:a385dd2ee67ac31b63db914061e99bcbd62b57e3572975145beb317320621855

Observation e737a506-217a-496b-9605-311ed5b9ed29 · inbound

Deflection Angle of Regular Black Holes in Nonlinear Electrodynamics: Gauss-Bonnet Theorem, Time Delay, Shadow, and Greybody Bound cites this paper.

Deflection Angle of Regular Black Holes in Nonlinear Electrodynamics: Gauss-Bonnet Theorem, Time Delay, Shadow, and Greybody Bound Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 46

Resolution
unresolved
no resolver link, observed 2026-08-05T12:26:55.037710Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-05T12:26:55.037710Z digest=sha256:2992fd38a2d5e112b8409c97bf1b7db28adc9b4efa522fd9d052d31646799e18

Observation fcae418c-c67b-4c79-9255-a55b7049c0b7 · inbound

Influence of Perfect Fluid Dark Matter on Shadow Observables of Yang-Mills modified charged black holes cites this paper.

Influence of Perfect Fluid Dark Matter on Shadow Observables of Yang-Mills modified charged black holes Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 53

Resolution
unresolved
no resolver link, observed 2026-08-05T11:01:16.685718Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-05T11:01:16.685718Z digest=sha256:eeb81ca787cd1b20426e6ca6e7478318795349d5fe47daf8bdd00fbc096c031a

Observation 42c383b1-4e70-456f-896a-494109de976a · inbound

Topological charge and black hole photon spheres in massive gravity cites this paper.

Topological charge and black hole photon spheres in massive gravity Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 31

Resolution
verified exact
local_arxiv, observed 2026-05-18T18:52:48.532335Z

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.

source=pdf_text observed=2026-05-18T18:52:07.782615Z digest=sha256:8b60017c7e5fa25afe320da0ff77a1898e1c09104a888dbe82e34b9e748bd43c

Observation f0b6261b-0b8c-4b48-98e9-aa8a7b0b3bc1 · inbound

A Universal Framework for Horizon-Scale Tests of Gravity with Black Hole Shadows cites this paper.

A Universal Framework for Horizon-Scale Tests of Gravity with Black Hole Shadows Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 47

Resolution
unresolved
no resolver link, observed 2026-08-03T23:28:37.616647Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-03T23:28:37.616647Z digest=sha256:67c22ef3cf1939e70b74845d3865a4da76ec0473d6b4ace9f8aa9d81129f9f7b

Observation a250b765-02b9-4265-b915-f8cc1d012081 · inbound

Rotating Black Holes with Primary Scalar Hair: Shadow Signatures in Beyond Horndeski Gravity cites this paper.

Rotating Black Holes with Primary Scalar Hair: Shadow Signatures in Beyond Horndeski Gravity Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 101

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verified exact
local_arxiv, observed 2026-05-15T21:46:41.780349Z

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.

source=pdf_text observed=2026-05-15T21:46:24.406651Z digest=sha256:3b5d8dd2c54c223ca6a46f091b1b79f421e0f182b4d4f086b61d24905cf00882

Observation 53677410-91bd-4ee2-baba-8ef4cb3e45bb · inbound

Strong-deflection expansion of the deflection angle near a degenerate photon sphere cites this paper.

Strong-deflection expansion of the deflection angle near a degenerate photon sphere Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 9

Resolution
verified exact
local_arxiv, observed 2026-05-15T14:46:08.010831Z

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.

source=pdf_text observed=2026-05-15T14:43:36.202568Z digest=sha256:12f6b5d7a18220cd87a005af4cae11b005a592d9ecf2201e5c95ac0668db3d48

Observation fe3e74c1-4608-4e42-83ae-a48c2221ddd5 · inbound

Gravity/thermodynamics correspondence via black hole shadows cites this paper.

Gravity/thermodynamics correspondence via black hole shadows Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 12

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verified exact
arxiv_id, observed 2026-05-10T21:55:51.460632Z

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.

source=pdf_text observed=2026-05-10T20:27:30.544350Z digest=sha256:f05614755d5c894b9da62a252d33749c0374e2fe27f689b653dcabfb0ee9febb

Observation f932a009-76ff-4dee-a0bc-068cdd47d3c2 · inbound

Quasi-resonances in the vicinity of Einstein-Maxwell-dilaton black hole cites this paper.

Quasi-resonances in the vicinity of Einstein-Maxwell-dilaton black hole Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 115

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verified exact
arxiv_id, observed 2026-05-11T11:06:02.794084Z

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.

source=pdf_text observed=2026-05-10T15:10:05.638518Z digest=sha256:dc986df61724d69d29740ad9c83cbb5386a733de72eea54cdf7d3bebb63b7479

Observation 68966b5c-9e67-4e95-9f3f-2a663c2523af · inbound

Probing Kalb-Ramond gravity with charged rotating black holes: constraints from EHT observations cites this paper.

Probing Kalb-Ramond gravity with charged rotating black holes: constraints from EHT observations Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 142

Resolution
verified exact
arxiv_id, observed 2026-05-10T13:15:26.216555Z

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.

source=pdf_text observed=2026-05-10T13:14:45.286559Z digest=sha256:7a23e17b3fa1b9b4eaf51c39a55a6a6e6b497a5378537d176dfc5ae971f93353

Observation ef4b8cdc-a5d8-43d7-9b55-9cb08c91f327 · inbound

From Ringdown to Lensing: Analytic Eikonal Modes of Quasi-Topological Regular Black Holes cites this paper.

From Ringdown to Lensing: Analytic Eikonal Modes of Quasi-Topological Regular Black Holes Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 38

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verified exact
arxiv_id, observed 2026-05-10T13:00:24.762755Z

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.

source=pdf_text observed=2026-05-10T12:56:29.598674Z digest=sha256:9a32705b391740b6db237d57553aaa64f6c43deef6ad72e042fd648b91a5821b

Observation 39cbe818-f6b2-47d5-a4d1-c225bc59b9f4 · inbound

A First-Order Eikonal Framework for Quasinormal Modes, Shadows, Strong Lensing, and Grey-Body Factors in a Scalarized Black-Hole Metric cites this paper.

A First-Order Eikonal Framework for Quasinormal Modes, Shadows, Strong Lensing, and Grey-Body Factors in a Scalarized Black-Hole Metric Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 54

Resolution
verified exact
arxiv_id, observed 2026-05-10T10:49:56.873641Z

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.

source=pdf_text observed=2026-05-10T10:46:09.790506Z digest=sha256:03ea36e20fabdbba341c74f5ab6bf636d3d350c6bdf34af32f70e46f0445f92c

Observation 5853e42d-f6a6-4134-809e-76c70092d31b · inbound

A First-Order Eikonal Framework for Quasinormal Modes, Shadows, Strong Lensing, and Grey-Body Factors in a Scalarized Black-Hole Metric cites this paper.

A First-Order Eikonal Framework for Quasinormal Modes, Shadows, Strong Lensing, and Grey-Body Factors in a Scalarized Black-Hole Metric Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 54

Resolution
verified exact
arxiv_id, observed 2026-05-12T01:51:14.620204Z

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.

source=pdf_text observed=2026-05-12T01:50:35.608231Z digest=sha256:8ec3b9fd91585e329f37da30c40d906f25506f73328f3e18a5ff124cb4b97079

Observation ae7f362a-c78d-44ae-bda3-209dd742af3d · inbound

Constitutive birefringence and critical curves in the rotating Garc\'ia--D\'iaz black hole cites this paper.

Constitutive birefringence and critical curves in the rotating Garc\'ia--D\'iaz black hole Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 41

Resolution
verified exact
local_arxiv, observed 2026-07-04T04:59:35.874535Z

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.

source=pdf_text observed=2026-06-26T16:33:40.237155Z digest=sha256:b0ef8ea28276a6f6fb6fbf4ea58ddfd07e0b9f29a0754fc0aa75bee95cda02fb

Observation 48d84e07-f064-48ba-930d-84b154170bf9 · inbound

Determining Kerr black hole spin and inclination from a segment of the critical curve in black hole images cites this paper.

Determining Kerr black hole spin and inclination from a segment of the critical curve in black hole images Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 7

Resolution
verified exact
local_arxiv, observed 2026-06-26T13:29:30.473804Z

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.

source=pdf_text observed=2026-07-11T11:50:26.030339Z digest=sha256:27e0e078e71e255fd722908ae6ce541b6163d9f6594963d8e6676c1160446ab6

Observation 30496d60-83fd-4259-8655-23b7479ff5d7 · inbound

Dark matter environments and safeguards for spacetime inference from horizon scale interferometry cites this paper.

Dark matter environments and safeguards for spacetime inference from horizon scale interferometry Measurement of the Kerr Spin Parameter by Observation of a Compact Object's Shadow

Reference 71

Resolution
unresolved
no resolver link, observed 2026-08-02T03:10:33.700246Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T03:10:33.700246Z digest=sha256:9a0763f8ee30b8c8aa5074dd9bf58184a4c7726ba2f4be2dc755e76d3e1b15f8