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Paper Citation Record · LEDGER

Testing the Kerr hypothesis using X-ray reflection spectroscopy with NuSTAR data of Cygnus X-1 in the soft state

As of 15 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:1904.08027.

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

pith.paper-citation-record.v1
1904.08027 v2

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 2026-08-15T06:32:42.880941+00:00

measured 2 of 2 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-14T13:25:55.206212Z

measured 0 of 1 external citation measurements

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

Source: pith, observed 2026-08-14T10:55:57.478560Z

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 3dd5934c-aa20-43c2-bc33-25196a3ce742 · inbound

Relativistic reflection spectra of super-spinning black holes cites this paper.

Relativistic reflection spectra of super-spinning black holes Testing the Kerr hypothesis using X-ray reflection spectroscopy with NuSTAR data of Cygnus X-1 in the soft state

Reference 67

Resolution
unresolved
no resolver link, observed 2026-08-14T13:25:55.206212Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T13:25:55.206212Z digest=sha256:85a91d2f9b3ee1b8ca5eb26e763441bd98d50e72c6bfb4d0e2f8a7e537a625c8

Observation 0005409c-e1c9-4077-b93d-c12a2aa23907 · inbound

RELXILL_NK: A Black Hole Relativistic Reflection Model for Testing General Relativity cites this paper.

RELXILL_NK: A Black Hole Relativistic Reflection Model for Testing General Relativity Testing the Kerr hypothesis using X-ray reflection spectroscopy with NuSTAR data of Cygnus X-1 in the soft state

Reference 28

Resolution
verified exact
local_arxiv, observed 2026-08-14T10:55:57.482367Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

source=pdf_text observed=2026-08-14T10:55:57.254509Z digest=sha256:b6375f8c4cdfe2a7ccd379a8b4bc0c776b30c851b20e88648554b94044678255