Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 11 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:2107.03420.
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 2026-08-11T06:34:44.6726+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-10T15:09:09.001450Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-08-06T15:20:39.109664Z
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 cce7a4ad-b6a5-4c6e-a33f-dce5d2a0a392 · inbound
ALP production from light primordial black holes: The role of superradiance Axion-like particles from primordial black holes shining through the Universe
Reference 32
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 541bd548-ad9b-42cb-a324-bbbe23a61366 · inbound
Probing Double-Peaked Gamma-Ray Spectra from Primordial Black Holes with Next-Generation Gamma-Ray Experiments Axion-like particles from primordial black holes shining through the Universe
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.