Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T13:57:11.540100Z
Paper Citation Record · LEDGER
As of 15 August 2026, this Paper Citation Record lists 16 of 16 outbound references and 7 inbound Pith citation observations for arXiv:1908.04170.
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, observed 2026-08-14T13:57:11.540100Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-15T06:32:42.880941+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-14T05:39:15.707666Z
A source-named dated measurement, never combined with another source.
Source: arxiv_reference, observed 2026-07-03T22:39:02.066033Z
16 of 16 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation fffa14ec-5b8b-497a-aa08-058cf8ce4d79 · outbound
The arrow of causality and quantum gravity Use of causality conditions in quantum theory,
Reference 1
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.
Observation ee79f387-db89-43e0-b7ce-8b59137d9dd3 · outbound
The arrow of causality and quantum gravity Unresolved cited work
Reference 2
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.
Observation 8d926bd1-adfe-49ae-b3d4-60f49ad6103c · outbound
The arrow of causality and quantum gravity Negative Metric and the Unitarity of the S Matrix,
Reference 3
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.
Observation 986d5523-7572-49d9-bf9e-f1c651f6f8f6 · outbound
The arrow of causality and quantum gravity Acausality
Reference 4
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.
Observation 38867529-367b-483d-867c-88477ca3f283 · outbound
The arrow of causality and quantum gravity Causality as an emergent macroscopic phenomenon: The Lee-Wick O(N) model,
Reference 5
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.
Observation 4a2b52ad-c7f9-42ac-b542-238030860607 · outbound
The arrow of causality and quantum gravity laws of physics
Reference 6
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.
Observation b4b254e7-bb7b-4903-8613-a04d43ef03b5 · outbound
The arrow of causality and quantum gravity Unitarity, stability and loops of unstable ghosts
Reference 7
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c068e9e4-20c2-420b-90b9-283bfa065e70 · outbound
The arrow of causality and quantum gravity General Relativity As An Effective Field Theory: The Leading Quantum Corrections,
Reference 8
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.
Observation cea4e173-e1f1-4a60-ae6a-9c4c35cde6f5 · outbound
The arrow of causality and quantum gravity Light-like Scattering in Quantum Gravity,
Reference 9
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.
Observation 13bd1908-4cee-4f47-9e34-216bf4dc264f · outbound
The arrow of causality and quantum gravity Causality and gravity
Reference 10
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.
Observation bcca78f4-6a83-41d2-b9f3-a81225e15801 · outbound
The arrow of causality and quantum gravity Renormalization of Higher Derivative Quantum Gravity,
Reference 11
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.
Observation a60b8938-9868-4257-b5f1-3da5a26029a8 · outbound
The arrow of causality and quantum gravity Quadratic Gravity,
Reference 12
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.
Observation 171e2baf-218e-48fb-8b83-cb4a7188910a · outbound
The arrow of causality and quantum gravity Gauge Assisted Quadratic Gravity: A Framework for UV Complete Quantum Gravity,
Reference 13
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.
Observation 1a77f032-5505-4430-b6db-97535284bd0a · outbound
The arrow of causality and quantum gravity The Asymptotic Safety Scenario in Quantum Gravity,
Reference 14
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.
Observation 61294992-f9ca-4e87-be83-1e58ed52ce8b · outbound
The arrow of causality and quantum gravity Ver- tex Displacements for Acausal Particles: Testing the Lee- Wick Standard Model at the LHC,
Reference 15
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.
Observation f6e38b94-915a-4cfe-80ed-69525c85d4b7 · outbound
The arrow of causality and quantum gravity Lower Limit for the Energy Derivative of the Scattering Phase Shift,
Reference 16
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.
Observation d19874a0-21ef-4c59-a608-5ee5f20c122f · inbound
The Speed of Gravity The arrow of causality and quantum gravity
Reference 46
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation bad8b47a-af4a-4d57-ab08-f3190d0dd3e1 · inbound
Conformal Cores of Quantum Black Holes in Quadratic Gravity The arrow of causality and quantum gravity
Reference 53
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9caf41e9-6e0b-4532-bc8d-94c5e2fab446 · inbound
Remarks on ghost resonances The arrow of causality and quantum gravity
Reference 26
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e94a2a63-b846-4bdf-ac6d-4fa5e2bca53f · inbound
Fixed points of classical gravity coupled with a Standard-Model-like theory The arrow of causality and quantum gravity
Reference 72
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 2661f5ff-9cbe-4c93-903c-7ce51b9d0bee · inbound
Unitary Quadratic Quantum Gravity in 4D The arrow of causality and quantum gravity
Reference 10
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.
Observation 2909fd9e-cddf-4422-bd80-46079f657a0d · inbound
Asymptotic Quantum Dynamics of Ghost Fields The arrow of causality and quantum gravity
Reference 47
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.
Observation 3b71991a-b334-4384-be6b-39be4068bb4e · inbound
Ghosts versus Unstable Particles in Quantum Field Theory The arrow of causality and quantum gravity
Reference 38
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.