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    },
    {
      "id": "merchant-current-amazon-0",
      "title": "Amazon — DS423",
      "url": "https://www.amazon.com/dp/B0BY7LGMNP",
      "locator": "Selected buy-box seller; Product information model; New offers. MAP-hidden main price is not inferred from other sellers or recommendations.",
      "kind": "merchant",
      "checkedAt": "2026-09-10T01:19:49.065243+00:00",
      "readAction": "blocked",
      "readScope": "curl returned a 3781-byte interstitial. Historical unknown-price row retained.",
      "readingActorId": "b21-grok",
      "checkedOn": "2026-09-11",
      "materials": []
    },
    {
      "id": "merchant-current-newegg-1",
      "title": "Newegg — DS423",
      "url": "https://www.newegg.com/synology-ds423-4-bay-realtek-rtd1619b-processor-diskless-system/p/N82E16822108830",
      "locator": "Item N82E16822108830; $399.99; Sold by Newegg / Shipped by Newegg; Add to cart",
      "kind": "merchant",
      "checkedAt": "2026-09-11",
      "readAction": "opened",
      "readScope": "Primary $399.99 Sold by Newegg.",
      "readingActorId": "b21-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "a64c5c4b2a491e36f51a6ce37b9300131a5d305a0023a28c1ddb77a991a2acec",
          "mimeType": "text/html",
          "sourceUrl": "https://www.newegg.com/synology-ds423-4-bay-realtek-rtd1619b-processor-diskless-system/p/N82E16822108830",
          "description": "Newegg PDP HTML"
        },
        {
          "sha256": "b08df93ad8b90f48c11a52d71e8b03e2890dfffe2fa8c6920d0c27f5ffded98d",
          "sourceUrl": "https://www.newegg.com/synology-ds423-4-bay-realtek-rtd1619b-processor-diskless-system/p/N82E16822108830",
          "description": "Parent original capture or detailed reading record; source-specific limitations retained.",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:41:56.364237+00:00"
        },
        {
          "sha256": "e89dfc5f8025fec5f7b1328f7dda5b1e36dbf893c1bb4335721f9c1791b141b4",
          "sourceUrl": "https://www.newegg.com/synology-ds423-4-bay-realtek-rtd1619b-processor-diskless-system/p/N82E16822108830",
          "description": "Parent original capture or detailed reading record; source-specific limitations retained.",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:41:56.364237+00:00"
        },
        {
          "sha256": "9aee5a8eccab5d998854beb5f12300fd8f15f7b2be2c387a2f5cc116b1d4bd6f",
          "sourceUrl": "https://www.newegg.com/synology-ds423-4-bay-realtek-rtd1619b-processor-diskless-system/p/N82E16822108830",
          "description": "Parent original capture or detailed reading record; source-specific limitations retained.",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:41:56.364237+00:00"
        },
        {
          "sha256": "5ff70115f29b4d713532e4d0c54c3973757ed8d9a6148f91424894bbea6e7b84",
          "sourceUrl": "https://www.newegg.com/synology-ds423-4-bay-realtek-rtd1619b-processor-diskless-system/p/N82E16822108830",
          "description": "Parent original capture or detailed reading record; source-specific limitations retained.",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:41:56.364237+00:00"
        }
      ]
    },
    {
      "id": "official-datasheet",
      "title": "Synology DS423 datasheet (enu)",
      "url": "https://global.download.synology.com/download/Document/Hardware/DataSheet/DiskStation/23-year/DS423/enu/Synology_DS423_Data_Sheet_enu.pdf",
      "kind": "official",
      "checkedAt": "2026-09-11T08:50:00Z",
      "locator": "Technical Specifications; last updated May 08, 2026",
      "readAction": "opened",
      "readScope": "Datasheet last updated May 08, 2026; hardware/DSM tables.",
      "readingActorId": "b21-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "e09aeaac32ed0201ae51976fbf3da300dd3d343a2a3a65076b6dd50ca295c212",
          "mimeType": "application/pdf",
          "sourceUrl": "https://global.download.synology.com/download/Document/Hardware/DataSheet/DiskStation/23-year/DS423/enu/Synology_DS423_Data_Sheet_enu.pdf",
          "description": "Official datasheet PDF"
        }
      ]
    },
    {
      "id": "official-product-spec",
      "title": "DS423 current official product specification",
      "url": "https://global.download.synology.com/download/Document/Hardware/ProductSpec/DiskStation/23-year/DS423/enu/Product_Spec_DS423_enu.pdf",
      "kind": "official",
      "checkedAt": "2026-09-11",
      "locator": "All hardware/software tables and footnotes; PDF generated 2026-08-06, independently read.",
      "readAction": "opened",
      "readScope": "Parent independently read full original and recorded charts/footnotes.",
      "readingActorId": "current-codex-root",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "45b7a7a6e094fed3c33298237966f4f771306ff4fd75e13927c8af1b1c4cb689",
          "sourceUrl": "https://global.download.synology.com/download/Document/Hardware/ProductSpec/DiskStation/23-year/DS423/enu/Product_Spec_DS423_enu.pdf",
          "description": "Parent original capture or detailed reading record; source-specific limitations retained.",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:41:56.364237+00:00"
        },
        {
          "sha256": "f4e046df885287c52bbc7180fb9caed3648e3d96d30bf34dd2933e6235b1bd07",
          "sourceUrl": "https://global.download.synology.com/download/Document/Hardware/ProductSpec/DiskStation/23-year/DS423/enu/Product_Spec_DS423_enu.pdf",
          "description": "Parent original capture or detailed reading record; source-specific limitations retained.",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:41:56.364237+00:00"
        },
        {
          "sha256": "5ff70115f29b4d713532e4d0c54c3973757ed8d9a6148f91424894bbea6e7b84",
          "sourceUrl": "https://global.download.synology.com/download/Document/Hardware/ProductSpec/DiskStation/23-year/DS423/enu/Product_Spec_DS423_enu.pdf",
          "description": "Parent original capture or detailed reading record; source-specific limitations retained.",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:41:56.364237+00:00"
        }
      ]
    }
  ],
  "coverage": {
    "productId": "synology-ds423",
    "roundStatus": "本轮完成",
    "dimensions": [
      {
        "id": "identity",
        "status": "已核实",
        "evidenceIds": [
          "ev-official"
        ],
        "evidence": "Official HTML/PDF: DS423, RTD1619B, 2 GB non-ECC, diskless.",
        "gaps": "",
        "thisRound": "Reread en-us page and datasheet.",
        "reused": "Baseline MPN"
      },
      {
        "id": "specifications",
        "status": "已核实",
        "evidenceIds": [
          "ev-official"
        ],
        "evidence": "94 baseline rows preserved; hardware key fields match 2026-09-11 HTML.",
        "gaps": "Datasheet fan string adds 20 mm depth vs HTML 80 mm × 2 pcs.",
        "thisRound": "Parent read all current product-spec PDF hardware/software tables and footnotes; full row order retained.",
        "reused": "Full baseline spec order"
      },
      {
        "id": "software-limits",
        "status": "已核实",
        "evidenceIds": [
          "ev-official"
        ],
        "evidence": "DSM table still lists 108 TB volume, 64 internal volumes, no M.2, no VMM.",
        "gaps": "Package availability not re-diffed app-by-app.",
        "thisRound": "DSM headings on official HTML.",
        "reused": "Baseline DSM rows"
      },
      {
        "id": "direct-measurement",
        "status": "已核实",
        "evidenceIds": [
          "ev-computerbase"
        ],
        "evidence": "ComputerBase RAID 5 / DSM 7.2 reread including page 3 power/noise.",
        "gaps": "No second independent lab.",
        "thisRound": "Parent read available original charts and corrected results/conditions in evidence.parentReview.reviewRecords.",
        "reused": "Baseline CIFS numbers confirmed"
      },
      {
        "id": "related-experience",
        "status": "已检索未找到",
        "evidenceIds": [],
        "evidence": "DS423+ and DS423-vs-plus pages are a different or non-experimental SKU.",
        "gaps": "No useful related enclosure test adopted.",
        "thisRound": "Search returned mostly DS423+.",
        "reused": ""
      },
      {
        "id": "us-new-pdp",
        "status": "部分覆盖",
        "evidenceIds": [
          "ev-newegg"
        ],
        "evidence": "Current Newegg diskless factory configuration $399.99; other merchants retain dated observations.",
        "gaps": "Need parent browser for B&H/Amazon/Best Buy/Adorama.",
        "thisRound": "Parent rechecked exact-model Newegg buybox, seller and Add to cart.",
        "reused": "B&H/Best Buy/Adorama/Amazon original checkedAt"
      },
      {
        "id": "buying-judgment",
        "status": "已核实",
        "evidenceIds": [
          "ev-official",
          "ev-computerbase",
          "ev-newegg"
        ],
        "evidence": "Four-bay Gigabit archive verdict unchanged.",
        "gaps": "Video unread.",
        "thisRound": "Power/noise added to the ComputerBase card.",
        "reused": "Fit/FAQ structure"
      },
      {
        "id": "video",
        "status": "已检索未找到",
        "evidenceIds": [],
        "evidence": "No exact-model DS423 original video adopted. Timedtext empty.",
        "gaps": "Parent ASR not requested for a plus-series video.",
        "thisRound": "Search + empty timedtext.",
        "reused": ""
      }
    ],
    "roundNote": "completed work != full data coverage. Structural validate is not independent approval.",
    "parentReview": {
      "actorId": "current-codex-root",
      "checkedAt": "2026-09-11T12:41:56.364237+00:00",
      "scope": "All listed original prose and current official PDF fully read; detailed test conditions in parentReview.reviewRecords."
    }
  },
  "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."
  }
}