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          "productId": "seagate-ironwolf-st6000vn001-6tb",
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            "label": "Operating temperature",
            "value": "5 to 70°C drive case",
            "sourceIds": [
              "official-datasheet",
              "official-manual"
            ],
            "note": "Exact 2019 manual; later family documents use different temperature and acoustic expressions."
          },
          "after": {
            "group": "Environment",
            "label": "Operating temperature",
            "value": "5°C minimum ambient; 70°C maximum drive case",
            "sourceIds": [
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              "official-manual"
            ],
            "note": "Rev. A Table 1 distinguishes ambient minimum from case maximum; its footnote states a 0–70°C case range. Seagate advises against sustained case temperatures above 60°C."
          },
          "basis": "Parent reread official table headings and temperature footnotes."
        },
        {
          "productId": "seagate-ironwolf-st6000vn001-6tb",
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          "added": [
            {
              "index": 37,
              "label": "Operating vibration"
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            {
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              "label": "Non-operating vibration"
            },
            {
              "index": 39,
              "label": "Temperature / humidity gradients"
            },
            {
              "index": 40,
              "label": "Wet-bulb temperature"
            },
            {
              "index": 41,
              "label": "Altitude temperature derating"
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          ],
          "basis": "Parent independently read exact-MPN manual Table 1 and environment sections; preserve original specification indices."
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      "scope": "Exact model, official specification definitions and key footnotes, adopted original results/limitations, dated merchant qualification, reader projection, and explicit residual coverage; existing indexing decision preserved.",
      "evidenceChecks": [
        "Exact ST6000VN001 DS1904.21 column and Rev. A manual Table 1/environment/power/acoustic definitions; ambient versus case temperature corrected with footnote retained.",
        "Original Takamana article and CDM screenshot: five drives/three brands, CDM8.0.4 1GiB UI5; 176.57/172.16 MB/s.",
        "Root Nation complete supplied article and eight charts: exact -2BB186 SC60, CDM187.69/184.11 vs full AIDA average146.4/min25.6; unfinished AS SSD latency excluded and video grouped with article.",
        "Historical Amazon observation kept dated; no new accessible qualifying offer asserted. Missing companion video/audio/NAS array and failed write curve remain explicit."
      ]
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  },
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    {
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      "title": "Seagate IronWolf data sheet DS1904.21",
      "url": "https://www.seagate.com/content/dam/seagate/migrated-assets/www-content/datasheets/pdfs/ironwolf-12tb-emea-DS1904-21-2207GB-en_EM.pdf",
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      "locator": "Catalog record dated 2026-08-30: exact MPN, new condition, seller status marketplace-unverified, availability in-stock. Historical catalog reference price $295.99. Any usable 2026-09-10 main offer is recorded separately rather than overwriting this historical observation.",
      "readAction": "blocked",
      "readScope": "3781-byte Amazon.com shell, no MPN/price",
      "readingActorId": "b02-grok",
      "checkedOn": "2026-09-11",
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      "checkedAt": "2026-09-11",
      "locator": "ST6000VN001 section; original CDM 8.0.4 screenshot 5×1GiB empty volume; author states one invocation",
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      "readingActorId": "b02-grok",
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      "checkedOn": "2026-09-11",
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      "kind": "review",
      "checkedAt": "2026-09-11",
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          "description": "AIDA random read 64KB completed"
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          "description": "AIDA random read partial ~30%"
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          "mimeType": "image/png",
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          "description": "Disk Management empty E:"
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          "description": "Side photo of opened drive (no readable MPN on this frame)"
        }
      ]
    }
  ],
  "coverage": {
    "productId": "seagate-ironwolf-st6000vn001-6tb",
    "roundStatus": "部分完成",
    "dimensions": [
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        "status": "已核实",
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        ],
        "remainingFields": [
          "Shipment unique suffix should still be read on arrival"
        ],
        "nextStep": "Match ST6000VN001 on the delivered label; do not accept VN0033 or VN006 as this SKU.",
        "reusedVsReread": "Reread DS1904.21 and Rev. A manual."
      },
      {
        "id": "specifications",
        "status": "已核实",
        "evidenceIds": [
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        ],
        "remainingFields": [
          "Manual vs datasheet temperature and acoustics units remain dual statements"
        ],
        "nextStep": "Keep dual statements; do not normalize.",
        "reusedVsReread": "PDF reread; baseline order preserved; dBA and IHM rows appended."
      },
      {
        "id": "software-limits",
        "status": "部分覆盖",
        "evidenceIds": [
          "ev-ds21-vn001"
        ],
        "remainingFields": [
          "IHM enablement and NAS HCL for this MPN"
        ],
        "nextStep": "Parse Synology/QNAP HCL with a browser if needed.",
        "reusedVsReread": "Datasheet footnote reread; Synology HTML was SPA-incomplete."
      },
      {
        "id": "direct-measurement",
        "status": "已核实",
        "evidenceIds": [
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          "ev-takamana-vn001"
        ],
        "remainingFields": [
          "NAS array; write curve"
        ],
        "nextStep": "Keep CDM and AIDA linear-read distinct.",
        "reusedVsReread": "New Root Nation charts read in full; Takamana PNG reread."
      },
      {
        "id": "related-experience",
        "status": "已核实",
        "evidenceIds": [
          "ev-truenas-vn001",
          "ev-video-b6zdg-vn001"
        ],
        "remainingFields": [],
        "nextStep": "Keep TrueNAS thread out of reviews[].",
        "reusedVsReread": "Opened thread HTML."
      },
      {
        "id": "us-new-pdp",
        "status": "访问受阻",
        "evidenceIds": [],
        "remainingFields": [
          "Amazon/B&H/Newegg current pages"
        ],
        "nextStep": "Browser pass for Amazon ASINs B07T63FDJQ, B083JBZC5K, B086K12ZFB.",
        "reusedVsReread": "Historical Amazon offer retained; timestamps not edited."
      },
      {
        "id": "buying-judgment",
        "status": "已核实",
        "evidenceIds": [
          "ev-ds21-vn001",
          "ev-root-nation-vn001",
          "ev-takamana-vn001"
        ],
        "remainingFields": [],
        "nextStep": "Independent review.",
        "reusedVsReread": "readerGuide synced to AIDA vs CDM."
      },
      {
        "id": "video",
        "status": "部分覆盖",
        "evidenceIds": [
          "ev-video-u1ot-vn001",
          "ev-video-b6zdg-vn001"
        ],
        "remainingFields": [
          "U1OT ASR/frames; B-6ZDG frames/audio"
        ],
        "nextStep": "Do not infer dBA.",
        "reusedVsReread": "Parent descriptions/DOM provided; Grok read them. Not marked blocked-as-unattempted."
      }
    ],
    "parentReview": {
      "status": "reviewed-with-explicit-gaps",
      "reviewer": "GPT-6 (Codex)",
      "scope": "Published claims and core sources reviewed; residual coverage gaps are not declared complete."
    }
  },
  "retiredRecords": [],
  "originalMaterial": {
    "status": "per-source-records",
    "note": "Available original captures are retained locally with SHA-256. Public records contain source URLs and locators; they do not reproduce full third-party content. An absent capture is not a claim of a saved original."
  }
}