Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 14 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 3 inbound Pith citation observations for arXiv:2107.11390.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-14T06:32:32.682623+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-11T13:52:14.604943Z
A source-named dated measurement, never combined with another source.
Source: arxiv_reference, observed 2026-05-16T16:03:04.167960Z
0 of 0 outbound references displayed
External citation measurements
No source-named external measurement is stored.
No outbound reference observations are available for this paper version.
Observation e670fa3b-b276-4a29-a73c-e5e9b47b68fa · inbound
Can quasars, triggered by mergers, account for NANOGrav's stochastic gravitational wave background? A quasar-based supermassive black hole binary population model: implications for the gravitational-wave background
Reference 22
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 26e06566-5b89-47a0-97f5-14203805d28e · inbound
Bias from small-scale leakage in Pulsar Timing Array maps A quasar-based supermassive black hole binary population model: implications for the gravitational-wave background
Reference 19
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9108ef08-3221-4a6d-92e1-f2b61766f607 · inbound
Dark QCD Origin of the NANOGrav Signal and Self-Interacting Dark Matter A quasar-based supermassive black hole binary population model: implications for the gravitational-wave background
Reference 39
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.