Pith. sign in

Paper Citation Record · LEDGER

Stringent axion constraints with Event Horizon Telescope polarimetric measurements of M87$^\star$

As of 8 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 6 inbound Pith citation observations for arXiv:2105.04572.

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

pith.paper-citation-record.v1
2105.04572 v2

Coverage vector

measured 0 of 0 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links

measured 6 of 6 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 6 of 6 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-06T18:50:28.674897Z

measured 0 of 1 external citation measurements

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

Source: arxiv_reference, observed 2026-07-03T06:47:42.873076Z

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 0e11c335-c39b-46dd-9e8c-b30683a06c9b · inbound

Probing Fundamental Constant Oscillation in the Galactic Center with S-Star Spectroscopy cites this paper.

Probing Fundamental Constant Oscillation in the Galactic Center with S-Star Spectroscopy Stringent axion constraints with Event Horizon Telescope polarimetric measurements of M87$^\star$

Reference 121

Resolution
unresolved
no resolver link, observed 2026-08-06T18:50:28.674897Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T18:50:28.674897Z digest=sha256:2e57d4f98687dedb375164bd8f40f0673d09adeb76d88678a9f175b3bb4189bf

Observation 8607201a-3869-4f3f-ab58-38119074cc2b · inbound

Identifying Monochromatic Signals in LISA and Taiji via Spectral Split: Gravitational Waves versus Ultralight Dark Matter cites this paper.

Identifying Monochromatic Signals in LISA and Taiji via Spectral Split: Gravitational Waves versus Ultralight Dark Matter Stringent axion constraints with Event Horizon Telescope polarimetric measurements of M87$^\star$

Reference 26

Resolution
unresolved
no resolver link, observed 2026-08-05T18:28:10.696065Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-05T18:28:10.696065Z digest=sha256:5e0eb0cb8f6cf01f7d7cd5a95f021c815faae73d36c0ef32eb16f7ef264f09a3

Observation f1d81c9d-697b-4639-8439-9fb7c0b6bb43 · inbound

Ultralight Boson Ionization from Comparable-Mass Binary Black Holes cites this paper.

Ultralight Boson Ionization from Comparable-Mass Binary Black Holes Stringent axion constraints with Event Horizon Telescope polarimetric measurements of M87$^\star$

Reference 90

Resolution
unresolved
no resolver link, observed 2026-08-04T18:56:18.220570Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-04T18:56:18.220570Z digest=sha256:4c9fc5099eec6a879b8a936c1d37bf4dfa10bc39f92e27051cb65fe39ea971e4

Observation 06bed37e-333a-465e-b47b-b81f8b72adf7 · inbound

Constraining interacting dark energy models with black hole superradiance cites this paper.

Constraining interacting dark energy models with black hole superradiance Stringent axion constraints with Event Horizon Telescope polarimetric measurements of M87$^\star$

Reference 56

Resolution
verified exact
arxiv_id, observed 2026-05-17T21:10:16.828325Z

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.

source=pdf_text observed=2026-05-17T21:08:20.630611Z digest=sha256:72ce5680278c80a6530723cebc4df7fc68526b640fe6d88c7a151048d8e7fceb

Observation d5795e0d-d9d1-44c0-aa7e-a4ed2d20e4f4 · inbound

Stellar Superradiance and Low-Energy Absorption in Dense Nuclear Media cites this paper.

Stellar Superradiance and Low-Energy Absorption in Dense Nuclear Media Stringent axion constraints with Event Horizon Telescope polarimetric measurements of M87$^\star$

Reference 125

Resolution
verified exact
arxiv_id, observed 2026-05-16T21:43:34.246813Z

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.

source=pdf_text observed=2026-05-16T21:42:43.578675Z digest=sha256:7cce9ae35b11adc2a53d2cd6368d1b714e6c859b1788e3da37740737ec69d1b0

Observation ac2edb22-4702-4167-896e-187ba7a1392b · inbound

Gravitational superfluorescence from superradiant axion clouds cites this paper.

Gravitational superfluorescence from superradiant axion clouds Stringent axion constraints with Event Horizon Telescope polarimetric measurements of M87$^\star$

Reference 27

Resolution
verified exact
arxiv_id, observed 2026-07-03T06:47:42.874484Z

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.

source=pdf_text observed=2026-06-27T12:29:53.846656Z digest=sha256:2557287e56d02ca22dd4b0863dda1a1a17a68342dc53845c3dd021165e680a15