Paper Citation Record · LEDGER

Completing the Penrose Process without a Horizon

As of 18 August 2026, this Paper Citation Record lists 28 of 28 outbound references and 0 inbound Pith citation observations for arXiv:2608.08711.

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

pith.paper-citation-record.v1
2608.08711 v1

Coverage vector

measured 28 of 28 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-14T04:40:31.173314Z

measured 28 of 28 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-18T06:34:40.430872+00:00

measured 0 of 0 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links

measured 0 of 1 external citation measurements

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

Source: cited_works

Reference resolution

28 of 28 outbound references displayed

verified exact3
verified fuzzy7
unresolved18
parse uncertain0
malformed identifier0
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External citation measurements

No source-named external measurement is stored.

Outbound references

Observation bd24fa91-c92a-45aa-b446-8a73f692fdab · outbound

This paper cites Penrose, Gravitational collapse: The role of general relativity, Riv.

Completing the Penrose Process without a Horizon Penrose, Gravitational collapse: The role of general relativity, Riv

Reference 1

Resolution: unresolved; no resolver link, observed 2026-08-14T04:40:31.060382Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 05c508d5-5afb-404a-af16-9b90b2ce8f4d · outbound

This paper cites Penrose and R.

Completing the Penrose Process without a Horizon Penrose and R

Reference 2

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T04:40:31.726684Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 688b81b8-c6a5-4d2d-bdd7-a504da8430a1 · outbound

This paper cites an unresolved cited work.

Completing the Penrose Process without a Horizon Unresolved cited work

Reference 3

Resolution: unresolved; raw_fallback, observed 2026-08-14T04:40:31.708436Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 9f346ff1-82b6-4b73-b388-fe54f5e5ee0b · outbound

This paper cites The Collisional Penrose Process.

Completing the Penrose Process without a Horizon The Collisional Penrose Process

Reference 4

Resolution: unresolved; no resolver link, observed 2026-08-14T04:40:31.074810Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 62fdb1d1-3421-4603-bae9-7a8ec7733558 · outbound

This paper cites Stuchlik, M.

Completing the Penrose Process without a Horizon Stuchlik, M

Reference 5

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T04:40:31.690929Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation e0d92900-d3c9-40cc-958c-ef9d415b6951 · outbound

This paper cites On the single versus the repetitive Penrose process in a Kerr black hole.

Completing the Penrose Process without a Horizon On the single versus the repetitive Penrose process in a Kerr black hole

Reference 6

Resolution: unresolved; no resolver link, observed 2026-08-14T04:40:31.084182Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 2dd8bba8-ad22-4b98-ae33-738b08d8d31f · outbound

This paper cites The Penrose process, superradiance and ergoregion instabilities.

Completing the Penrose Process without a Horizon The Penrose process, superradiance and ergoregion instabilities

Reference 7

Resolution: unresolved; no resolver link, observed 2026-08-14T04:40:31.089958Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 3b880c34-e4ed-4548-9dcf-6f1662b14371 · outbound

This paper cites an unresolved cited work.

Completing the Penrose Process without a Horizon Unresolved cited work

Reference 8

Resolution: unresolved; raw_fallback, observed 2026-08-14T04:40:31.675002Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation c6d38a29-d851-4792-9981-42fd452cd654 · outbound

This paper cites A proof of Friedman's ergosphere instability for scalar waves.

Completing the Penrose Process without a Horizon A proof of Friedman's ergosphere instability for scalar waves

Reference 9

Resolution: unresolved; no resolver link, observed 2026-08-14T04:40:31.099912Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 37a98a50-da9d-45d2-a9c4-aaaf50f1bfac · outbound

This paper cites Ergoregion instability of ultra-compact astrophysical objects.

Completing the Penrose Process without a Horizon Ergoregion instability of ultra-compact astrophysical objects

Reference 10

Resolution: unresolved; no resolver link, observed 2026-08-14T04:40:31.104974Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 5494ddc3-ed41-458c-8652-5593b48097ab · outbound

This paper cites On the ergoregion instability in rotating gravastars.

Completing the Penrose Process without a Horizon On the ergoregion instability in rotating gravastars

Reference 11

Resolution: verified exact; local_arxiv, observed 2026-08-14T04:40:31.532104Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 8366d0be-af47-4b2c-ad9b-6b8d651e79d9 · outbound

This paper cites Exotic Compact Objects and How to Quench their Ergoregion Instability.

Completing the Penrose Process without a Horizon Exotic Compact Objects and How to Quench their Ergoregion Instability

Reference 12

Resolution: unresolved; no resolver link, observed 2026-08-14T04:40:31.115258Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 14c1ee33-0c2e-4a6a-85e0-a9398032e749 · outbound

This paper cites (15) Let D be a connected exterior domain containing the splitting point, bounded away from the rotation axis, and extending to an asymptotically ﬂat end.

Completing the Penrose Process without a Horizon (15) Let D be a connected exterior domain containing the splitting point, bounded away from the rotation axis, and extending to an asymptotically ﬂat end

Reference 13

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T04:40:31.785753Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 63b83eeb-5782-4728-8ee1-efb67309dccc · outbound

This paper cites Applying the argument to every boundary component, a fragment with conserved E1 < 0 cannot leave the corresponding compact ergoregion.

Completing the Penrose Process without a Horizon Applying the argument to every boundary component, a fragment with conserved E1 < 0 cannot leave the corresponding compact ergoregion

Reference 14

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T04:40:31.802775Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 488972b2-70cb-4c6c-a201-265f7b591e78 · outbound

This paper cites Chains of Rotating mini-Boson Stars.

Completing the Penrose Process without a Horizon Chains of Rotating mini-Boson Stars

Reference 15

Resolution: unresolved; no resolver link, observed 2026-08-14T04:40:31.129956Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 66187cb9-38ad-424f-9209-1691d0c90d1d · outbound

This paper cites Rotating multistate Proca stars.

Completing the Penrose Process without a Horizon Rotating multistate Proca stars

Reference 16

Resolution: unresolved; no resolver link, observed 2026-08-14T04:40:31.134941Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation bb0b938d-c3ea-4382-bbfb-2017b4ac081c · outbound

This paper cites Rotating Boson Stars and Q-Balls II: Negative Parity and Ergoregions.

Completing the Penrose Process without a Horizon Rotating Boson Stars and Q-Balls II: Negative Parity and Ergoregions

Reference 17

Resolution: verified exact; local_arxiv, observed 2026-08-14T04:40:31.492157Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation e72e010f-2e84-4d82-ae05-655a2468dfe4 · outbound

This paper cites Ergo-spheres, ergo-tori and ergo-Saturns for Kerr black holes with scalar hair.

Completing the Penrose Process without a Horizon Ergo-spheres, ergo-tori and ergo-Saturns for Kerr black holes with scalar hair

Reference 18

Resolution: unresolved; no resolver link, observed 2026-08-14T04:40:31.125067Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 9cc20490-9c86-4ad0-bfa0-3fce3b25508c · outbound

This paper cites Siemonsen, Ergoregion instability in bosonic stars: Scalar mode structure, universality, and weakly nonlinear eﬀects, Phys.

Completing the Penrose Process without a Horizon Siemonsen, Ergoregion instability in bosonic stars: Scalar mode structure, universality, and weakly nonlinear eﬀects, Phys

Reference 19

Resolution: unresolved; no resolver link, observed 2026-08-14T04:40:31.149108Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 98ece2fb-ebf2-4395-a52c-2ab453e3ef08 · outbound

This paper cites Weakly turbulent saturation of the nonlinear scalar ergoregion instability.

Completing the Penrose Process without a Horizon Weakly turbulent saturation of the nonlinear scalar ergoregion instability

Reference 20

Resolution: unresolved; no resolver link, observed 2026-08-14T04:40:31.153703Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 4df3a47b-d224-4e46-8b9a-e047c174f8d6 · outbound

This paper cites (22) Thus Eq.

Completing the Penrose Process without a Horizon (22) Thus Eq

Reference 21

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T04:40:31.768996Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation b9933ad4-8511-4df5-ba94-910e5d6ee68b · outbound

This paper cites an unresolved cited work.

Completing the Penrose Process without a Horizon Unresolved cited work

Reference 22

Resolution: unresolved; raw_fallback, observed 2026-08-14T04:40:31.753623Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 0b139bdd-38e3-4bf6-bbba-a53a297fd654 · outbound

This paper cites Lensing and light rings of parity-odd rotating boson stars.

Completing the Penrose Process without a Horizon Lensing and light rings of parity-odd rotating boson stars

Reference 23

Resolution: unresolved; no resolver link, observed 2026-08-14T04:40:31.139820Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 5e89bb1f-d893-4d5e-8aa4-ca65a5bcea22 · outbound

This paper cites Two asymptotically flat spinning black holes balanced by their self-interacting, synchronised scalar hair.

Completing the Penrose Process without a Horizon Two asymptotically flat spinning black holes balanced by their self-interacting, synchronised scalar hair

Reference 24

Resolution: verified exact; local_arxiv, observed 2026-08-14T04:40:31.406302Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 8cc9d7e1-f7c3-467e-8070-4754b6acf7b8 · outbound

This paper cites Construction and physical properties of Kerr black holes with scalar hair.

Completing the Penrose Process without a Horizon Construction and physical properties of Kerr black holes with scalar hair

Reference 25

Resolution: unresolved; no resolver link, observed 2026-08-14T04:40:31.158324Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation a39f11a5-b92a-4474-8379-5c5f57820cff · outbound

This paper cites Choose an orthonormal spatial triad {eµ,q µ 1,q µ 2 } in the incident-particle rest space, with eµ = ζµ s , qA ·u0 = 0, qA ·e = 0, qA ·qB =δAB.

Completing the Penrose Process without a Horizon Choose an orthonormal spatial triad {eµ,q µ 1,q µ 2 } in the incident-particle rest space, with eµ = ζµ s , qA ·u0 = 0, qA ·e = 0, qA ·qB =δAB

Reference 26

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T04:40:31.660012Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 415723d4-f942-4c6b-a1a3-e38d847995cb · outbound

This paper cites 7 The relevant projections are ζ ·n =s cosχ, η ·n = η ·ζ s cosχ +η ·q(β) sinχ.

Completing the Penrose Process without a Horizon 7 The relevant projections are ζ ·n =s cosχ, η ·n = η ·ζ s cosχ +η ·q(β) sinχ

Reference 27

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T04:40:31.643017Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 651a6ce9-5f0d-49d8-b072-3389d5c48e82 · outbound

This paper cites an unresolved cited work.

Completing the Penrose Process without a Horizon Unresolved cited work

Reference 28

Resolution: unresolved; raw_fallback, observed 2026-08-14T04:40:31.627110Z

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No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Pith citing papers

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