Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 16 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 3 inbound Pith citation observations for arXiv:1907.04178.
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 2026-08-16T06:30:59.297886+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-15T16:51:55.628062Z
A source-named dated measurement, never combined with another source.
Source: arxiv_reference, observed 2026-05-22T17:06:48.790060Z
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 fc22c59e-a3a8-4384-a136-26ee0d27a47b · inbound
Wormhole Nucleation via Topological Surgery in Lorentzian Geometry Lectures on Faster-than-Light Travel and Time Travel
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation a786e549-7173-457c-a0e3-68de910eb36c · inbound
The Warp Drive: Superluminal Travel within General Relativity Lectures on Faster-than-Light Travel and Time Travel
Reference 29
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b5f9a1f9-845b-48e2-ba92-5c431c606edc · inbound
Exact, non-singular black holes from a phantom DBI Field as primordial dark matter Lectures on Faster-than-Light Travel and Time Travel
Reference 51
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.