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    "story_id": "mp-2026-11-06-017",
    "source_story_id": "tmp-brief-api-migration-repairs",
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    "edition_url": "https://themachinepress.com/edition/2026-11-06",
    "position": 19,
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    "section": "safety-security",
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    "headline": "The Repair Runs Cleanly and Returns the Wrong Answer",
    "slug": "the-repair-runs-cleanly-and-returns-the-wrong-answer",
    "dek": "A preregistered study finds typical-input gates release 41 percent of wrong repairs after runtime or API migrations.",
    "summary": "A preregistered study finds typical-input gates release 41 percent of wrong repairs after runtime or API migrations.",
    "body_text": "One edge input derived from the release note cuts that rate to 6.5 percent across 73 tasks. Hard distractors remain difficult, with 15.3 to 16.8 percent of wrong programs passing two stronger frozen checks.",
    "why_it_matters": "A preregistered study finds typical-input gates release 41 percent of wrong repairs after runtime or API migrations.",
    "limitations": [
      "Hard distractors remain difficult, with 15.3 to 16.8 percent of wrong programs passing two stronger frozen checks."
    ],
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    "modified_at": "2026-11-06T09:00:00.000-05:00",
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        "qualification": "Hard distractors remain difficult, with 15.3 to 16.8 percent of wrong programs passing two stronger frozen checks."
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    "source_ids": [
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    "tags": [
      "code repair",
      "API migration",
      "testing"
    ],
    "image_url": null,
    "corrections": []
  },
  "sources": [
    {
      "source_id": "source-2026-11-06-019",
      "title": "arXiv preprint 2611.08269, original v1",
      "publisher": "arXiv",
      "url": "https://arxiv.org/abs/2611.08269v1",
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      "published_at": "2026-11-05T11:41:32.000-05:00",
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  "publisher": {
    "name": "The Machine Press",
    "url": "https://themachinepress.com",
    "description": "A daily newspaper for the age of artificial intelligence."
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    "title": "The Repair Runs Cleanly and Returns the Wrong Answer",
    "publisher": "The Machine Press",
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