Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 13 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 7 inbound Pith citation observations for arXiv:2104.15130.
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 2026-08-13T06:32:02.005865+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-12T13:07:11.040321Z
A source-named dated measurement, never combined with another source.
Source: arxiv_reference, observed 2026-06-30T23:15:07.697202Z
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 93a130d7-1e79-4504-8358-e9bb2854a4be · inbound
Pre-Big-Bang Cosmology Cannot Explain NANOGrav 15-year Signal Ultra-low frequency gravitational waves from cosmological and astrophysical processes
Reference 91
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation fbb48733-2d82-47e9-b97f-2ec616108372 · inbound
Neutrino masses from large-scale structures: future sensitivity and theory dependence Ultra-low frequency gravitational waves from cosmological and astrophysical processes
Reference 102
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation dc6c0882-7697-495f-b474-ce255beef391 · inbound
Can tensor-scalar induced GWs dominate PTA observations ? Ultra-low frequency gravitational waves from cosmological and astrophysical processes
Reference 84
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 651b64e2-8b8d-4dd3-895b-591baf7e7fbf · inbound
Cosmological constraints on small-scale primordial non-Gaussianity Ultra-low frequency gravitational waves from cosmological and astrophysical processes
Reference 108
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f5e8a319-43c4-4eb5-bcc2-7c2fa0532eb5 · inbound
Tensor induced gravitational waves Ultra-low frequency gravitational waves from cosmological and astrophysical processes
Reference 112
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1a3bdc70-e365-4572-8e8c-22038b9adec4 · inbound
Are PTA measurements sensitive to gravitational wave non-Gaussianities? Ultra-low frequency gravitational waves from cosmological and astrophysical processes
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 81bbbb83-401a-47d5-9ced-3ab997f2d1b6 · inbound
Are PTA measurements sensitive to gravitational wave non-Gaussianities? Ultra-low frequency gravitational waves from cosmological and astrophysical processes
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.