Paper Citation Record · LEDGER

The Event Horizon of M87

As of 15 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:1503.03873.

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

Coverage vector

measured 0 of 0 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links

measured 2 of 2 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-15T06:32:42.880941+00:00

measured 2 of 2 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-11T19:13:04.100665Z

measured 0 of 1 external citation measurements

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

Source: pith, observed 2026-08-10T21:15:42.551758Z

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 8b98cc1c-966f-4da7-ad13-96579a9e6f26 · inbound

Reference 48

Resolution: unresolved; no resolver link, observed 2026-08-11T19:13:04.100665Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation a5896f58-86ae-41c1-902a-1aa474ec0018 · inbound

Reference 210

Resolution: verified exact; local_arxiv, observed 2026-08-10T21:15:42.557483Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.