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  "story": {
    "story_id": "mp-2026-10-04-016",
    "source_story_id": "tmp-brief-jil-length-scheduler-attack",
    "edition_id": "mp-2026-10-04-morning-0087",
    "edition_url": "https://themachinepress.com/edition/2026-10-04",
    "position": 18,
    "story_type": "ticker",
    "section": "infrastructure",
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    "headline": "A Short-Length Prediction Bought a Place in Line",
    "slug": "a-short-length-prediction-bought-a-place-in-line",
    "dek": "JIL manipulates an output-length estimate used by a size-based serving scheduler.",
    "summary": "JIL manipulates an output-length estimate used by a size-based serving scheduler.",
    "body_text": "In tests across two datasets and four models, adversarial suffixes cut predicted lengths by up to 83.4 percent and improved attacker-request completion time by up to 1.53 times on average. Coarse prediction intervals reduced the advantage. These are scheduler-specific experiments.",
    "why_it_matters": "JIL manipulates an output-length estimate used by a size-based serving scheduler.",
    "limitations": [],
    "importance": 7,
    "canonical_url": "https://themachinepress.com/story/mp-2026-10-04-016/a-short-length-prediction-bought-a-place-in-line",
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    "first_published_at": "2026-10-04T09:00:00.000-04:00",
    "modified_at": "2026-10-05T08:46:40.372-04:00",
    "content_status": "updated",
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    "carryover_reason": null,
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        "text": "JIL manipulates an output-length estimate used by a size-based serving scheduler.",
        "source_ids": [
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        "qualification": null
      }
    ],
    "source_ids": [
      "source-2026-10-04-018"
    ],
    "tags": [
      "LLM scheduling",
      "length prediction"
    ],
    "image_url": null,
    "corrections": [
      {
        "correction_id": "correction-2026-10-04-001",
        "revision": 2,
        "summary": "Publication note: This October 4 edition was reconstructed on October 5 after the workstation was offline. It uses original October 2 submissions from the standard Sunday-evening arXiv release, rather than claiming those papers were available for the missed 9 AM run. The date and 9 AM publication slot preserve archive chronology; October 5 developments are excluded. The September 27 Invention Desk is carried over because its replacement was generated October 5.",
        "published_at": "2026-10-05T08:46:40.372-04:00",
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        "affected_claim_ids": []
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  "sources": [
    {
      "source_id": "source-2026-10-04-018",
      "title": "arXiv preprint 2610.03430, original v1",
      "publisher": "arXiv / submitting research authors",
      "url": "https://arxiv.org/abs/2610.03430v1",
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      "source_type": "primary_research",
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      "published_at": "2026-10-02T11:12:43.000-04:00",
      "accessed_at": "2026-10-05T08:32:11.197-04:00",
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  ],
  "corrections": [
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      "correction_id": "correction-2026-10-04-001",
      "revision": 2,
      "summary": "Publication note: This October 4 edition was reconstructed on October 5 after the workstation was offline. It uses original October 2 submissions from the standard Sunday-evening arXiv release, rather than claiming those papers were available for the missed 9 AM run. The date and 9 AM publication slot preserve archive chronology; October 5 developments are excluded. The September 27 Invention Desk is carried over because its replacement was generated October 5.",
      "published_at": "2026-10-05T08:46:40.372-04:00",
      "affected_story_ids": [],
      "affected_claim_ids": []
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  "publisher": {
    "name": "The Machine Press",
    "url": "https://themachinepress.com",
    "description": "A daily newspaper for the age of artificial intelligence."
  },
  "cite_this_report": {
    "title": "A Short-Length Prediction Bought a Place in Line",
    "publisher": "The Machine Press",
    "published_at": "2026-10-04T09:00:00.000-04:00",
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