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    "story_id": "mp-2026-09-01-007",
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    "edition_id": "mp-2026-09-01-morning-0054",
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    "section": "benchmarks-evals",
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    "headline": "The Digit Returned as a World the Agent Could Only Glimpse",
    "slug": "the-digit-returned-as-a-world-the-agent-could-only-glimpse",
    "dek": "MNIST-PRO turns digit recognition into sequential exploration with limited lookback to isolate perceptual-state construction.",
    "summary": "MNIST-PRO turns digit recognition into sequential exploration with limited lookback to isolate perceptual-state construction.",
    "body_text": "Ten multimodal models were asked to inspect digits through partial glimpses while maintaining one of four memory representations: visual history, textual state, a structured grid or a consolidated canvas. Full observability remained easy, but partial views exposed failures to integrate fragments, continued search and revise early beliefs after contradictory evidence. The benchmark deliberately removes much of robotics' control complexity, making it a diagnostic for active sensing and memory rather than a claim about full embodied competence.",
    "why_it_matters": "MNIST-PRO turns digit recognition into sequential exploration with limited lookback to isolate perceptual-state construction.",
    "limitations": [],
    "importance": 8,
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    "first_published_at": "2026-09-01T09:00:00.000-04:00",
    "modified_at": "2026-09-01T09:00:00.000-04:00",
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    "source_ids": [
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    "tags": [
      "multimodal agents",
      "partial observability",
      "working memory"
    ],
    "image_url": null,
    "corrections": []
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  "sources": [
    {
      "source_id": "source-2026-09-01-007",
      "title": "arXiv preprint 2608.31022",
      "publisher": "arXiv",
      "url": "https://arxiv.org/abs/2608.31022",
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      "source_type": "primary_research",
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      "published_at": "2026-08-31T12:05:39.000-04:00",
      "accessed_at": "2026-09-01T08:25:35.000-04:00",
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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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  "cite_this_report": {
    "title": "The Digit Returned as a World the Agent Could Only Glimpse",
    "publisher": "The Machine Press",
    "published_at": "2026-09-01T09:00:00.000-04:00",
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