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  "story": {
    "story_id": "mp-2026-10-13-014",
    "source_story_id": "tmp-story-dp-mind-private-long-context",
    "edition_id": "mp-2026-10-13-morning-0095",
    "edition_url": "https://themachinepress.com/edition/2026-10-13",
    "position": 14,
    "story_type": "dispatch",
    "section": "safety-security",
    "editorial_classification": "editorial",
    "headline": "Private Context Takes a Chunk at a Time",
    "slug": "private-context-takes-a-chunk-at-a-time",
    "dek": "DP-MIND combines local perturbation with compact memory to study privacy-preserving million-token inference.",
    "summary": "DP-MIND combines local perturbation with compact memory to study privacy-preserving million-token inference.",
    "body_text": "DP-MIND addresses long, sensitive inputs sent to an external language-model service. It perturbs context locally, processes chunks with a compact memory and trains the memory policy to withstand privacy noise. A local module also repairs damaged answer spans without exposing the original context to the remote model. The paper provides a theoretical privacy analysis and benchmark comparisons up to million-token inputs. These guarantees depend on its stated mechanism and assumptions. The work studies how privacy protection and useful long-context memory can coexist without forwarding an unmodified document.",
    "why_it_matters": "DP-MIND combines local perturbation with compact memory to study privacy-preserving million-token inference.",
    "limitations": [],
    "importance": 7,
    "canonical_url": "https://themachinepress.com/story/mp-2026-10-13-014/private-context-takes-a-chunk-at-a-time",
    "json_url": "https://themachinepress.com/story/mp-2026-10-13-014.json",
    "first_published_at": "2026-10-13T09:00:00.000-04:00",
    "modified_at": "2026-10-13T09:43:56.853-04:00",
    "content_status": "updated",
    "is_carryover": false,
    "carryover_reason": null,
    "key_claims": [
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        "claim_id": "claim-mp-2026-10-13-014-001",
        "text": "DP-MIND combines local perturbation with compact memory to study privacy-preserving million-token inference.",
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        "qualification": null
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    ],
    "source_ids": [
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    ],
    "tags": [
      "differential privacy",
      "long context",
      "DP-MIND"
    ],
    "image_url": null,
    "corrections": [
      {
        "correction_id": "correction-2026-10-13-001",
        "revision": 2,
        "summary": "Publication note: The October 13, 2026 edition was prepared and published late on October 13 after the scheduled newsroom task could not start. It retains its October 13 edition date and 9:00 AM America/Detroit reveal time. Reports use evidence available before that cutoff; actual preparation and image-generation times are preserved in the provenance records.",
        "published_at": "2026-10-13T09:43:56.853-04:00",
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  "sources": [
    {
      "source_id": "source-2026-10-13-014",
      "title": "arXiv preprint 2610.13132, original v1",
      "publisher": "arXiv / submitting research authors",
      "url": "https://arxiv.org/abs/2610.13132v1",
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      "source_type": "primary_research",
      "is_primary_source": true,
      "published_at": null,
      "accessed_at": "2026-10-13T09:24:45.395-04:00",
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    }
  ],
  "corrections": [
    {
      "correction_id": "correction-2026-10-13-001",
      "revision": 2,
      "summary": "Publication note: The October 13, 2026 edition was prepared and published late on October 13 after the scheduled newsroom task could not start. It retains its October 13 edition date and 9:00 AM America/Detroit reveal time. Reports use evidence available before that cutoff; actual preparation and image-generation times are preserved in the provenance records.",
      "published_at": "2026-10-13T09:43:56.853-04:00",
      "affected_story_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": "Private Context Takes a Chunk at a Time",
    "publisher": "The Machine Press",
    "published_at": "2026-10-13T09:00:00.000-04:00",
    "canonical_url": "https://themachinepress.com/story/mp-2026-10-13-014/private-context-takes-a-chunk-at-a-time"
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