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Paper Citation Record · LEDGER

Causality and the speed of sound

As of 20 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:gr-qc/0703121.

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

pith.paper-citation-record.v1
gr-qc/0703121 v2

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 2026-08-20T06:33:59.587034+00:00

measured 2 of 2 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-10T20:17:14.620971Z

measured 0 of 1 external citation measurements

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

Source: pith, observed 2026-08-10T20:17:14.685068Z

Reference resolution

0 of 0 outbound references displayed

  • verified exact0
  • verified fuzzy0
  • unresolved0
  • parse uncertain0
  • malformed identifier0
  • metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

No outbound reference observations are available for this paper version.

Pith citing papers

Observation 6dd6ca03-c312-46b0-b504-116601cb9e1b · inbound

Cosmological implications and causality in $f(R, L_{m}, T)$ gravity theory with observational constraints cites this paper.

Cosmological implications and causality in $f(R, L_{m}, T)$ gravity theory with observational constraints Causality and the speed of sound

Reference 109

Resolution
verified exact
local_arxiv, observed 2026-08-10T20:17:14.689021Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.

source=pdf_text observed=2026-08-10T20:17:14.620971Z digest=sha256:25931f84763bc38bbc0dae5b10ad5994b99b3abed6f3e9f6f54c1dedf5ac8e6a

Observation e69e543f-30a2-4720-ae56-f857dc4966fc · inbound

Transit dark energy cosmological models in generalized matter-geometry coupling theory using a non-linear form of $f(R,T,L_{m})$ function cites this paper.

Transit dark energy cosmological models in generalized matter-geometry coupling theory using a non-linear form of $f(R,T,L_{m})$ function Causality and the speed of sound

Reference 100

Resolution
unresolved
no resolver link, observed 2026-08-04T18:30:54.623142Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-04T18:30:54.623142Z digest=sha256:fe7cd58dc7fc0c59f9cb690bfb8dfc7baa2d7a90fa68f237e5e0c4aecad5a76a