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      "materials": [
        {
          "sha256": "6f5d91ad283570c2a133802ed7370389dd4e3e3158bfa7005dad60ebe08fbb6a",
          "mimeType": "text/html",
          "sourceUrl": "https://www.newegg.com/seagate-ironwolf-pro-st20000nt001-20tb-enterprise-nas-hard-drives-7200-rpm/p/N82E16822185071",
          "description": "PDP HTML saved 2026-09-11"
        }
      ]
    },
    {
      "id": "offer-amazon",
      "title": "Amazon ST20000NT001 product offer",
      "url": "https://www.amazon.com/dp/B0B94MF4LP",
      "kind": "merchant",
      "checkedAt": "2026-09-08T15:40:18.911883+00:00",
      "locator": "Product heading / MFR, selected capacity and quantity; primary purchase area and seller disclosure. Exact title/seller verified; price hidden behind cart and primary stock not explicit. No cart action taken.",
      "readAction": "not-attempted",
      "readScope": "Amazon PDP not re-fetched this round after the 12TB bot wall; older dated row reused",
      "readingActorId": "b01-grok",
      "checkedOn": "2026-09-11",
      "materials": []
    },
    {
      "id": "offer-adorama",
      "title": "Adorama ST20000NT001 product offer",
      "url": "https://www.adorama.com/seagate-ironwolf-pro-sata-iii-3-5-internal-nas-hard-drive-7200-rpm/p/set2000nt001",
      "kind": "merchant",
      "checkedAt": "2026-09-08T16:07:17.000098+00:00",
      "locator": "MFR ST20000NT001, selected 20TB / Single at $799.99; limited-quantity Buy Now banner.",
      "readAction": "not-attempted",
      "readScope": "Adorama PDP not re-fetched this round; older dated row reused",
      "readingActorId": "b01-grok",
      "checkedOn": "2026-09-11",
      "materials": []
    },
    {
      "id": "current-amazon-1-20260910",
      "title": "Amazon: ST20000NT001 current US new listing",
      "url": "https://www.amazon.com/dp/B0B94MF4LP",
      "kind": "merchant",
      "checkedAt": "2026-09-10",
      "locator": "Exact MPN in title; selected new main buy box provides Add to cart and shows seller QuickDealStore; ships from Amazon; numeric price is hidden behind cart.",
      "readAction": "not-attempted",
      "readScope": "Amazon PDP not re-fetched this round after the 12TB bot wall; older dated row reused",
      "readingActorId": "b01-grok",
      "checkedOn": "2026-09-11",
      "materials": []
    },
    {
      "id": "current-newegg-2-20260910",
      "title": "Newegg: ST20000NT001 current US new listing",
      "url": "https://www.newegg.com/seagate-ironwolf-pro-st20000nt001-20tb-enterprise-nas-hard-drives-7200-rpm/p/N82E16822185071",
      "kind": "merchant",
      "checkedAt": "2026-09-10",
      "locator": "Exact MPN in H1; selected main offer shows Add to cart, seller E.O.L. Tech Inc,., and a visible price of $825.10.",
      "readAction": "reused",
      "readScope": "Same Newegg PDP URL as 2026-09-11 open; this source id is the older dated merchant row, not a second live fetch",
      "readingActorId": "b01-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "6f5d91ad283570c2a133802ed7370389dd4e3e3158bfa7005dad60ebe08fbb6a",
          "mimeType": "text/html",
          "sourceUrl": "https://www.newegg.com/seagate-ironwolf-pro-st20000nt001-20tb-enterprise-nas-hard-drives-7200-rpm/p/N82E16822185071",
          "description": "PDP HTML saved 2026-09-11"
        }
      ]
    },
    {
      "id": "related-sr-20ne",
      "title": "StorageReview Seagate IronWolf Pro 20TB NAS HDD Review",
      "url": "https://www.storagereview.com/review/seagate-ironwolf-pro-20tb-nas-hdd-review",
      "kind": "review",
      "checkedAt": "2026-09-11",
      "locator": "ST20000NE000 RAID6 lab; 300 TB/year class",
      "readAction": "opened",
      "readScope": "StorageReview 20TB Pro NE000 HTML saved",
      "readingActorId": "b01-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "89edacc6fa33eb983b1f87b097be86aa1f7c8ca4c9638af3aab7bce5c88e50ab",
          "mimeType": "text/html",
          "sourceUrl": "https://www.storagereview.com/review/seagate-ironwolf-pro-20tb-nas-hdd-review",
          "description": "SR 20TB NE"
        }
      ]
    },
    {
      "id": "related-toms-20",
      "title": "Tom's Hardware Seagate IronWolf Pro 20TB review",
      "url": "https://www.tomshardware.com/reviews/seagate-ironwolf-pro-20tb",
      "kind": "review",
      "checkedAt": "2026-09-11",
      "locator": "Spec table prints 300 TB/year IronWolf Pro 20TB; not NT001",
      "readAction": "opened",
      "readScope": "Tom's Hardware 20TB Pro HTML saved; 300 TB/year class",
      "readingActorId": "b01-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "272147a15d32c9c42198caa79162d84c3440f368a25f476d6501209f2d9fd851",
          "mimeType": "text/html",
          "sourceUrl": "https://www.tomshardware.com/reviews/seagate-ironwolf-pro-20tb",
          "description": "Tom's 20TB Pro"
        }
      ]
    },
    {
      "id": "nascompares-wayback-20",
      "title": "NASCompares ST20000NT001 review (Wayback Machine copy of live URL)",
      "url": "https://web.archive.org/web/2024/https://nascompares.com/2023/02/13/seagate-20tb-ironwolf-pro-st20000nt001-hdd-review-nt-version/",
      "kind": "review",
      "checkedAt": "2026-09-11",
      "locator": "Live nascompares.com returned HTTP 403; Wayback copy used to reread mixed-file 174/239 MB/s and noisy-NAS notes",
      "readAction": "opened",
      "readScope": "Full Wayback HTML of the 2023-02-13 NASCompares NT001 review",
      "readingActorId": "current-codex-root",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "be157130e10c6947f4a7e8e8318b941b98def060a5644c59ecdb3e2558fb4db0",
          "mimeType": "text/html",
          "sourceUrl": "https://web.archive.org/web/2024/https://nascompares.com/2023/02/13/seagate-20tb-ironwolf-pro-st20000nt001-hdd-review-nt-version/",
          "description": "Wayback HTML"
        },
        {
          "sha256": "457ec616a11bb5ad8036e13f32b1b6fcf15ac481441c31456b447bd137969e49",
          "sourceUrl": "https://web.archive.org/web/2024/https://nascompares.com/2023/02/13/seagate-20tb-ironwolf-pro-st20000nt001-hdd-review-nt-version/",
          "description": "Parent read complete archived original article body; archive content, not current live-page approval."
        }
      ]
    },
    {
      "id": "offer-newegg-20260911",
      "title": "Newegg ST20000NT001 product page",
      "url": "https://www.newegg.com/seagate-ironwolf-pro-st20000nt001-20tb-enterprise-nas-hard-drives-7200-rpm/p/N82E16822185071",
      "kind": "merchant",
      "checkedAt": "2026-09-11",
      "locator": "Newegg item 22-185-071 FinalPrice 669.99 Instock false; marketplace 9SIAAEEKG95648 825.10 Instock true",
      "readAction": "opened",
      "readScope": "Newegg PDP HTML parsed 2026-09-11 for seller/price/availability",
      "readingActorId": "b01-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "6f5d91ad283570c2a133802ed7370389dd4e3e3158bfa7005dad60ebe08fbb6a",
          "mimeType": "text/html",
          "sourceUrl": "https://www.newegg.com/seagate-ironwolf-pro-st20000nt001-20tb-enterprise-nas-hard-drives-7200-rpm/p/N82E16822185071",
          "description": "PDP HTML saved 2026-09-11"
        }
      ]
    },
    {
      "id": "review-zubilitic-20nt",
      "title": "zubilitic: 20TB Seagate IronWolf Pro — real tests, heat (ST20000NT001)",
      "url": "https://www.youtube.com/watch?v=HWkz0wvop9w",
      "kind": "review",
      "checkedAt": "2026-09-11",
      "locator": "ASR 0:00–10:19; Grafana 6:32 ST20000NT001-3MB101 51°C; 8:46 RAIDZ1 write 163 MB/s vs overlay 265.28 MB/s",
      "readAction": "opened",
      "readScope": "Full ASR 0:00–10:19; description DOM; frames 6:32 (51°C ST20000NT001-3MB101) and 8:46 (163 MB/s Grafana vs 265.28 overlay). No audio listening.",
      "readingActorId": "b01-grok",
      "observedAt": "2026-09-11T06:35:07Z",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "369c742205663f060fda908ce412dc949f5eab587d910b0b9be3bcce0bd90e22",
          "mimeType": "text/plain",
          "sourceUrl": "https://www.youtube.com/watch?v=HWkz0wvop9w",
          "description": "Exported auto captions"
        },
        {
          "sha256": "aacaf422607fb9a58f4fdbdbca04587a3dbdbbcd125b085369c02fd6b1443907",
          "mimeType": "text/plain",
          "sourceUrl": "https://www.youtube.com/watch?v=HWkz0wvop9w",
          "description": "Expanded description DOM"
        },
        {
          "sha256": "c2f475e2663350c4cc69efe20c7c8c58be8145b6aed53a84cb71c948dfabafa5",
          "mimeType": "image/png",
          "sourceUrl": "https://www.youtube.com/watch?v=HWkz0wvop9w",
          "description": "Selected frame 6:32 Grafana identity/51C"
        },
        {
          "sha256": "e81258b122c2278cacc9a96c75bc572acb7b0c51acce26b78b474744468c3143",
          "mimeType": "image/png",
          "sourceUrl": "https://www.youtube.com/watch?v=HWkz0wvop9w",
          "description": "Selected frame 8:46 Grafana 163 vs overlay 265.28"
        }
      ]
    }
  ],
  "coverage": {
    "productId": "seagate-ironwolf-pro-st20000nt001-20tb",
    "roundStatus": "部分完成",
    "dimensions": [
      {
        "id": "identity",
        "status": "已核实",
        "evidenceIds": [
          "ev-official-ds2129-4"
        ],
        "remainingFields": [],
        "nextStep": "Match ST20000NT001, not NE000.",
        "reusedVsReread": "DS2129.4 20TB column."
      },
      {
        "id": "specifications",
        "status": "已核实",
        "evidenceIds": [
          "ev-official-ds2129-4",
          "ev-manual-2068"
        ],
        "remainingFields": [
          "Datasheet vs shared manual conflicts labeled by source."
        ],
        "nextStep": "Keep both.",
        "reusedVsReread": "PDF reread."
      },
      {
        "id": "software-limits",
        "status": "部分覆盖",
        "evidenceIds": [
          "ev-official-ds2129-4"
        ],
        "remainingFields": [
          "No current NAS HCL dump."
        ],
        "nextStep": "Check vendor IHM/HCL.",
        "reusedVsReread": "Footnote."
      },
      {
        "id": "direct-measurement",
        "status": "部分覆盖",
        "evidenceIds": [
          "ev-nascompares-20-wayback",
          "ev-zubilitic-20nt"
        ],
        "remainingFields": [
          "Owner Grafana is enclosure/migration, not CDM; no populated NAS Ethernet array of NT001."
        ],
        "nextStep": "Re-open live NASCompares if it returns.",
        "reusedVsReread": "Parent ASR+frames read in round 3."
      },
      {
        "id": "related-experience",
        "status": "已核实",
        "evidenceIds": [
          "ev-related-sr-20ne"
        ],
        "remainingFields": [
          "Tom's/StorageReview are 300 TB/year class."
        ],
        "nextStep": "Keep related out of reviews[].",
        "reusedVsReread": "NE articles opened."
      },
      {
        "id": "us-new-pdp",
        "status": "部分覆盖",
        "evidenceIds": [
          "ev-pdp-newegg-20260911"
        ],
        "remainingFields": [
          "Amazon/B&H not re-confirmed; Newegg-sold row out of stock."
        ],
        "nextStep": "Browser pass for B&H/Amazon.",
        "reusedVsReread": "Newegg HTML parsed."
      },
      {
        "id": "buying-judgment",
        "status": "已核实",
        "evidenceIds": [
          "ev-official-ds2129-4",
          "ev-nascompares-20-wayback"
        ],
        "remainingFields": [],
        "nextStep": "Independent review.",
        "reusedVsReread": "NT vs NE boundary kept."
      },
      {
        "id": "video",
        "status": "部分覆盖",
        "evidenceIds": [
          "ev-zubilitic-20nt"
        ],
        "remainingFields": [
          "ASR+two frames only; auto-dub on some tracks; audio not heard."
        ],
        "nextStep": "No further parent export required for this clip unless noise claims are later requested.",
        "reusedVsReread": "Read parent transcript, description, 6:32 and 8:46 frames."
      }
    ]
  },
  "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."
  }
}