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Paper Citation Record · LEDGER

Optical Strong Line Ratios Cannot Distinguish Between Stellar Populations and Accreting Black Holes at High Ionization Parameters and Low Metallicities

As of 5 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 4 inbound Pith citation observations for arXiv:2506.21660.

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

pith.paper-citation-record.v1
2506.21660 v1

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 2026-08-04T06:34:03.388597+00:00

measured 4 of 4 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-04T18:47:40.881831Z

measured 1 of 1 external citation measurements

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

Source: arxiv_reference, observed 2026-08-05T02:28:24.338817Z

Reference resolution

0 of 0 outbound references displayed

  • verified exact0
  • verified fuzzy0
  • unresolved0
  • parse uncertain0
  • malformed identifier0
  • metadata mismatch0

External citation measurements

0
arxiv_reference, observed 2026-08-05T02:28:24.338817Z

Outbound references

No outbound reference observations are available for this paper version.

Pith citing papers

Observation bc73a9e6-535a-452a-b666-a423f951474b · inbound

A massive and evolved slow-rotating galaxy in the early Universe cites this paper.

A massive and evolved slow-rotating galaxy in the early Universe Optical Strong Line Ratios Cannot Distinguish Between Stellar Populations and Accreting Black Holes at High Ionization Parameters and Low Metallicities

Reference 61

Resolution
verified exact
arxiv_id, observed 2026-05-18T22:32:52.094336Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.

source=pdf_text observed=2026-05-18T22:32:43.582510Z digest=sha256:f15d8f5f36a8e7edf76b93ae204312b43814b8267b0206328f3f8078f460c4fc

Observation 8b630f22-f894-4c59-91bc-e04756252d01 · inbound

Discovery of Multiply Ionized Iron Emission Powered by an Active Galactic Nucleus in a z~7 Little Red Dot cites this paper.

Discovery of Multiply Ionized Iron Emission Powered by an Active Galactic Nucleus in a z~7 Little Red Dot Optical Strong Line Ratios Cannot Distinguish Between Stellar Populations and Accreting Black Holes at High Ionization Parameters and Low Metallicities

Reference 52

Resolution
unresolved
no resolver link, observed 2026-08-04T18:47:40.881831Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-04T18:47:40.881831Z digest=sha256:57e474072026e3ec8eb722f77ca6d4912d5c369fa5b387e3515922ec858fbe96

Observation 8c619f36-9f1f-4323-9e53-2ab91ba3fe5e · inbound

Hunting Wandering 3<z<8 Black Holes: Spatial Offsets in Ionization Ratio and Continuum Emission cites this paper.

Hunting Wandering 3<z<8 Black Holes: Spatial Offsets in Ionization Ratio and Continuum Emission Optical Strong Line Ratios Cannot Distinguish Between Stellar Populations and Accreting Black Holes at High Ionization Parameters and Low Metallicities

Reference 17

Resolution
verified exact
arxiv_id, observed 2026-07-01T02:25:14.452909Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.

source=pdf_text observed=2026-07-01T02:24:16.736966Z digest=sha256:e20c70223b86f0cef270d3372ae39873650cf9b66297515d761e8d58b8300c75

Observation 97b2a454-4d81-4ca8-96f0-9ab18eacd33c · inbound

Hunting Wandering 3<z<8 Black Holes: Spatial Offsets in Ionization Ratio and Continuum Emission cites this paper.

Hunting Wandering 3<z<8 Black Holes: Spatial Offsets in Ionization Ratio and Continuum Emission Optical Strong Line Ratios Cannot Distinguish Between Stellar Populations and Accreting Black Holes at High Ionization Parameters and Low Metallicities

Reference 17

Resolution
unresolved
no resolver link, observed 2026-08-02T09:30:58.928207Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T09:30:58.928207Z digest=sha256:c4da70bd8aa1b5c794c97b1bccaf83c9580f2c7c2744341824a6f2ff01617adc