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    "story_id": "mp-2026-10-04-018",
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    "position": 20,
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    "section": "benchmarks-evals",
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    "headline": "The Right Answer Was Missing From the Menu",
    "slug": "the-right-answer-was-missing-from-the-menu",
    "dek": "A paired benchmark measures rejection separately from classification accuracy.",
    "summary": "A paired benchmark measures rejection separately from classification accuracy.",
    "body_text": "The candidate-coverage study tests Laya and Jev on matched requests with a reference option present or absent. Native rejection and false-rejection rates differed sharply; calibration changed the tradeoff. The evaluation covers reference-label omission and explicitly leaves natural out-of-scope generalization unresolved.",
    "why_it_matters": "A paired benchmark measures rejection separately from classification accuracy.",
    "limitations": [],
    "importance": 6,
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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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        "claim_id": "claim-mp-2026-10-04-018-001",
        "text": "A paired benchmark measures rejection separately from classification accuracy.",
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        "qualification": null
      }
    ],
    "source_ids": [
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    "tags": [
      "candidate coverage",
      "rejection calibration"
    ],
    "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.",
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      "source_id": "source-2026-10-04-020",
      "title": "arXiv preprint 2610.03387, original v1",
      "publisher": "arXiv / submitting research authors",
      "url": "https://arxiv.org/abs/2610.03387v1",
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      "source_type": "primary_research",
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      "published_at": "2026-10-02T10:36:46.000-04:00",
      "accessed_at": "2026-10-05T08:32:11.337-04:00",
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  "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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    "name": "The Machine Press",
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    "description": "A daily newspaper for the age of artificial intelligence."
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    "title": "The Right Answer Was Missing From the Menu",
    "publisher": "The Machine Press",
    "published_at": "2026-10-04T09:00:00.000-04:00",
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