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Paper Citation Record · LEDGER

How Robust Are Router-LLMs? Analysis of the Fragility of LLM Routing Capabilities

As of 14 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 5 inbound Pith citation observations for arXiv:2504.07113.

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

pith.paper-citation-record.v1
2504.07113 v1

Coverage vector

measured 0 of 0 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links

measured 5 of 5 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-14T06:32:32.682623+00:00

measured 5 of 5 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-11T22:33:33.576740Z

measured 0 of 1 external citation measurements

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

Source: arxiv_reference, observed 2026-07-02T18:37:16.516003Z

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 eb01c0e2-647b-4d61-b127-f34899ef55df · inbound

R2-Router: A New Paradigm for LLM Routing with Reasoning cites this paper.

R2-Router: A New Paradigm for LLM Routing with Reasoning How Robust Are Router-LLMs? Analysis of the Fragility of LLM Routing Capabilities

Reference 11

Resolution
unresolved
no resolver link, observed 2026-08-03T05:17:29.957873Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-03T05:17:29.957873Z digest=sha256:4e6fd6e274e0f66a338338a1791f72de432820359a46dfcbe0d51097637b69a2

Observation 7ad6a3ad-881b-40bc-a092-225e72997685 · inbound

Route to Rome Attack: Directing LLM Routers to Expensive Models via Adversarial Suffix Optimization cites this paper.

Route to Rome Attack: Directing LLM Routers to Expensive Models via Adversarial Suffix Optimization How Robust Are Router-LLMs? Analysis of the Fragility of LLM Routing Capabilities

Reference 23

Resolution
verified exact
arxiv_id, observed 2026-05-10T11:00:04.331869Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=arxiv_source observed=2026-05-10T10:57:25.591595Z digest=sha256:08846579561c80e68e486a69fb7f15cf81ef041e9f9b1a75e1c68df7eeb5a9d9

Observation ae67b98a-0d86-48eb-8cc7-00955a5b8dec · inbound

From Sampled Outcomes to Capability Distributions: Rethinking Supervision for LLM Routing cites this paper.

From Sampled Outcomes to Capability Distributions: Rethinking Supervision for LLM Routing How Robust Are Router-LLMs? Analysis of the Fragility of LLM Routing Capabilities

Reference 137

Resolution
verified exact
arxiv_id, observed 2026-07-02T16:17:08.831473Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=arxiv_source observed=2026-06-27T22:54:28.452796Z digest=sha256:e88ac6805fa56714b953ac8e2cb5935d2cc824042534151c4f610107e96fd112

Observation 30249e82-ed24-492e-9c76-e13b8ef85c55 · inbound

SWE-Router: Routing in Multi-turn Agentic Software Engineering Tasks cites this paper.

SWE-Router: Routing in Multi-turn Agentic Software Engineering Tasks How Robust Are Router-LLMs? Analysis of the Fragility of LLM Routing Capabilities

Reference 60

Resolution
verified exact
arxiv_id, observed 2026-07-02T18:37:16.517592Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=arxiv_source observed=2026-07-02T18:19:43.146102Z digest=sha256:63234ea91643c0fdbfadb5d38b742668db2f3d62a577a0718a6cb2b3ada71b7e

Observation 2eeddfa1-c891-4985-b27c-21256be24f80 · inbound

Beyond Tier Labels: Role- and Deployment-Dependent Model Substitution in Multi-Call LLM Workflows cites this paper.

Beyond Tier Labels: Role- and Deployment-Dependent Model Substitution in Multi-Call LLM Workflows How Robust Are Router-LLMs? Analysis of the Fragility of LLM Routing Capabilities

Reference 16

Resolution
unresolved
no resolver link, observed 2026-08-11T22:33:33.576740Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-11T22:33:33.576740Z digest=sha256:98ae08b4cc2ced62a9636f88b7c6f20752562af6c32a7c8fac1177512f9c7bce