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      "url": "https://www.newegg.com/p/N82E16822108836",
      "kind": "merchant",
      "checkedAt": "2026-09-08T12:24:30Z",
      "locator": "Main buy box: Sold by Newegg; Shipped by Newegg; Add to cart; model and diskless specification",
      "readAction": "opened",
      "readScope": "fetch_content identity/spec table 2026-09-11; price/sold-by/add-to-cart not in extract. Offer price timestamp not refreshed.",
      "readingActorId": "b20-grok",
      "checkedOn": "2026-09-08",
      "materials": []
    },
    {
      "id": "bestbuy",
      "title": "Best Buy DS223j 1 GB diskless product page",
      "url": "https://www.bestbuy.com/product/synology-diskstation-ds223j-san-nas-storage-system-1-x-realtek-rtd1619-quad-core-4-core-1-70-ghz-2-x-hdd-supported-black/J36TG78GQW",
      "kind": "merchant",
      "checkedAt": "2026-09-08T12:26:11Z",
      "locator": "Description: DS223j / 1 GB RAM / 0 HDD installed / 0 SSD installed; buy box: $211.99 / Sold & shipped by Newegg Official / Add to cart",
      "readAction": "reused",
      "readScope": "Baseline offer retained with original checkedAt. This round did not obtain a fresh primary-price/sold-by observation.",
      "readingActorId": "b20-grok",
      "checkedOn": "2026-09-08",
      "materials": []
    },
    {
      "id": "official-current",
      "title": "Synology DS223j product page",
      "url": "https://www.synology.com/en-us/products/DS223j",
      "kind": "official",
      "checkedAt": "2026-09-11",
      "locator": "Same current US product page",
      "readAction": "opened",
      "readScope": "Same.",
      "readingActorId": "b20-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "8247f134345cc33249610d7eb22b847eb4d59fed95dfc5b2d6c5c93a2b84738a",
          "mimeType": "text/html",
          "sourceUrl": "https://www.synology.com/en-us/products/DS223j",
          "description": "HTML"
        },
        {
          "sha256": "5aa4372ddddb210fe460af4c1e8645b39618a12ace3404b8a6d35002c38e1e72",
          "sourceUrl": "https://www.synology.com/en-us/products/DS223j",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "a3292151011b697dd569f47157ee0d77ae22972272512fcf8a059e07a6745581",
          "sourceUrl": "https://www.synology.com/en-us/products/DS223j",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "0ef3ed745280b49c18385bfcc3636d1e47373b917eb27d06ab9a98c275244e41",
          "sourceUrl": "https://www.synology.com/en-us/products/DS223j",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        }
      ]
    },
    {
      "id": "merchant-current-amazon-0",
      "title": "Amazon — DS223j",
      "url": "https://www.amazon.com/dp/B0C8814GKB",
      "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": "2026-09-10T01:19:42.587480+00:00",
      "readAction": "reused",
      "readScope": "Baseline Amazon record reused; MAP-hidden price remains null. Not a new live offer.",
      "readingActorId": "b20-grok",
      "checkedOn": "2026-09-10",
      "materials": []
    },
    {
      "id": "merchant-current-newegg-1",
      "title": "Newegg — DS223j",
      "url": "https://www.newegg.com/synology-ds223j-2-bay-realtek-rtd1619b-processor-diskless-system/p/N82E16822108836",
      "locator": "Exact-model title, specification table, buybox price/seller and Add to cart; parent captured source",
      "kind": "merchant",
      "checkedAt": "2026-09-11",
      "readAction": "opened",
      "readScope": "fetch_content identity/spec table 2026-09-11; price/sold-by/add-to-cart not in extract. Offer price timestamp not refreshed.",
      "readingActorId": "b20-grok",
      "checkedOn": "2026-09-10",
      "materials": [
        {
          "sha256": "b896ab238f195af0fb12950ad7002021135f3deb4183ccb5ea3592ec9323e881",
          "sourceUrl": "https://www.newegg.com/synology-ds223j-2-bay-realtek-rtd1619b-processor-diskless-system/p/N82E16822108836",
          "description": "Parent original reading or recorded findings; exact limitations retained",
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          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "3b5123d73da954d304ca7581e35a9fa3189ed421f133c40f4ecd7653a156ed48",
          "sourceUrl": "https://www.newegg.com/synology-ds223j-2-bay-realtek-rtd1619b-processor-diskless-system/p/N82E16822108836",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "0ef3ed745280b49c18385bfcc3636d1e47373b917eb27d06ab9a98c275244e41",
          "sourceUrl": "https://www.newegg.com/synology-ds223j-2-bay-realtek-rtd1619b-processor-diskless-system/p/N82E16822108836",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        }
      ]
    },
    {
      "id": "official-product-spec",
      "title": "Synology DS223j Product Spec PDF",
      "url": "https://global.download.synology.com/download/Document/Hardware/ProductSpec/DiskStation/23-year/DS223j/enu/Product_Spec_DS223j_enu.pdf",
      "kind": "official",
      "checkedAt": "2026-09-11",
      "locator": "Product Specifications PDF last updated Aug 6, 2026",
      "readAction": "opened",
      "readScope": "PDF.",
      "readingActorId": "b20-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "a3292151011b697dd569f47157ee0d77ae22972272512fcf8a059e07a6745581",
          "mimeType": "application/pdf",
          "sourceUrl": "https://global.download.synology.com/download/Document/Hardware/ProductSpec/DiskStation/23-year/DS223j/enu/Product_Spec_DS223j_enu.pdf",
          "description": "PDF"
        },
        {
          "sha256": "5aa4372ddddb210fe460af4c1e8645b39618a12ace3404b8a6d35002c38e1e72",
          "mimeType": "text/plain",
          "sourceUrl": "https://global.download.synology.com/download/Document/Hardware/ProductSpec/DiskStation/23-year/DS223j/enu/Product_Spec_DS223j_enu.pdf",
          "description": "txt"
        },
        {
          "sha256": "a3292151011b697dd569f47157ee0d77ae22972272512fcf8a059e07a6745581",
          "sourceUrl": "https://global.download.synology.com/download/Document/Hardware/ProductSpec/DiskStation/23-year/DS223j/enu/Product_Spec_DS223j_enu.pdf",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
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        },
        {
          "sha256": "5aa4372ddddb210fe460af4c1e8645b39618a12ace3404b8a6d35002c38e1e72",
          "sourceUrl": "https://global.download.synology.com/download/Document/Hardware/ProductSpec/DiskStation/23-year/DS223j/enu/Product_Spec_DS223j_enu.pdf",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "0ef3ed745280b49c18385bfcc3636d1e47373b917eb27d06ab9a98c275244e41",
          "sourceUrl": "https://global.download.synology.com/download/Document/Hardware/ProductSpec/DiskStation/23-year/DS223j/enu/Product_Spec_DS223j_enu.pdf",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        }
      ]
    },
    {
      "id": "storagereview",
      "title": "StorageReview DS223j review",
      "url": "https://www.storagereview.com/review/synology-ds223j-review",
      "kind": "review",
      "checkedAt": "2026-09-11",
      "locator": "2x 22 TB WD Red Pro RAID 1; 128k 115 MB/s SMB and iSCSI",
      "readAction": "opened",
      "readScope": "Full HTML including 128k chart prose.",
      "readingActorId": "b20-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "d4c30b6c732553a7d74ad15ecfd260520a14f31f9a529ff6c6be997e857b38dd",
          "mimeType": "text/html",
          "sourceUrl": "https://www.storagereview.com/review/synology-ds223j-review",
          "description": "HTML"
        },
        {
          "sha256": "ccc7fce3b0e9b827c0334b003d297eafb1c5b2063be6633421869d1bdec37bd6",
          "sourceUrl": "https://www.storagereview.com/review/synology-ds223j-review",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "67a4f856f6a1681826ae114b4cb027baa733c8aeee930d5df2c921b17a7e58b7",
          "sourceUrl": "https://www.storagereview.com/review/synology-ds223j-review",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "413863d7fbf00677266f6a4919dda5c45e7adca150ad7badcfcd07c2d4fed19e",
          "sourceUrl": "https://www.storagereview.com/review/synology-ds223j-review",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
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        {
          "sha256": "a215cf7194de91754468f069f935eed7a4c99608f18191e4c43931626eca074c",
          "sourceUrl": "https://www.storagereview.com/review/synology-ds223j-review",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "a3dcbaf27101ab0b21f9b6a8ff491ab586946b90aa97f79265d20a48c29d1b4b",
          "sourceUrl": "https://www.storagereview.com/review/synology-ds223j-review",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "487426f52bb85b93bfb6577041a388558eeb6e16e854b87165d7e358d569b46e",
          "sourceUrl": "https://www.storagereview.com/review/synology-ds223j-review",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "d4fd65b0e05f885f65df0064fd6170f50ae2cadf14cc214fabbe9e72fa919a73",
          "sourceUrl": "https://www.storagereview.com/review/synology-ds223j-review",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "e6014cf36a971c261b58421429800f760a550638d565b11ab26e17447142d9f8",
          "sourceUrl": "https://www.storagereview.com/review/synology-ds223j-review",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "8f853859f452b73a6a6201a0c68d4de7d765beed307d246e886da64bb906fc2d",
          "sourceUrl": "https://www.storagereview.com/review/synology-ds223j-review",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "2fb0da15f1da0f60347266f8c323cd22dc9c6780128ccc1953850acfe8c8932f",
          "sourceUrl": "https://www.storagereview.com/review/synology-ds223j-review",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "edc57ad6b948cc4364b0b0fc20ae037e7162b9f5571b3fdfa9cbd4340d2529f2",
          "sourceUrl": "https://www.storagereview.com/review/synology-ds223j-review",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "b4ba85116d52a891ce9ca51b5950fce127ec5cc1ec41c4a2df8394ccded16f55",
          "sourceUrl": "https://www.storagereview.com/review/synology-ds223j-review",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "05d170883b81832fe2d5f1586ea5bb03ad31da3d293bb1f6bd9c58cf3bb1c4fa",
          "sourceUrl": "https://www.storagereview.com/review/synology-ds223j-review",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "923269ec9fa6a5b0ef24a4d1b24c9966a2cf835a1718c995c045582df615d4da",
          "sourceUrl": "https://www.storagereview.com/review/synology-ds223j-review",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        },
        {
          "sha256": "0ef3ed745280b49c18385bfcc3636d1e47373b917eb27d06ab9a98c275244e41",
          "sourceUrl": "https://www.storagereview.com/review/synology-ds223j-review",
          "description": "Parent original reading or recorded findings; exact limitations retained",
          "readingActorId": "current-codex-root",
          "readAt": "2026-09-11T12:16:56.757562+00:00"
        }
      ]
    }
  ],
  "coverage": {
    "productId": "synology-ds223j",
    "roundStatus": "本轮完成",
    "dimensions": [
      {
        "id": "identity",
        "status": "已核实",
        "evidence": "Official 1GB DS223j.",
        "evidenceIds": [
          "ev-official-pdf"
        ],
        "gaps": "",
        "thisRound": "2026-09-11 Grok b20 reads",
        "reused": "Baseline offers/prices dated 2026-09-10 retained",
        "nextStep": "Independent parent review"
      },
      {
        "id": "specifications",
        "status": "已核实",
        "evidence": "116 rows; PDF matches non-hot-swap and Type C note.",
        "evidenceIds": [
          "ev-official-pdf"
        ],
        "gaps": "",
        "thisRound": "All official hardware/software tables and footnotes independently read; Bee embedded software JSON expanded and read.",
        "reused": "Baseline offers/prices dated 2026-09-10 retained",
        "nextStep": "Independent parent review"
      },
      {
        "id": "software-limits",
        "status": "部分覆盖",
        "evidence": "PDF DSM tables.",
        "evidenceIds": [
          "ev-official-pdf"
        ],
        "gaps": "",
        "thisRound": "2026-09-11 Grok b20 reads",
        "reused": "Baseline offers/prices dated 2026-09-10 retained",
        "nextStep": "Independent parent review"
      },
      {
        "id": "direct-measurement",
        "status": "部分覆盖",
        "evidence": "TweakTown CDM, PCWelt, StorageReview 115 MB/s.",
        "evidenceIds": [
          "ev-tweaktown",
          "ev-storagereview"
        ],
        "gaps": "TweakTown live 403.",
        "thisRound": "Root original-chart and full-article review; parentReview.reviewRecords supersede conflicting initial summaries.",
        "reused": "Baseline offers/prices dated 2026-09-10 retained",
        "nextStep": "TweakTown live 403."
      },
      {
        "id": "related-experience",
        "status": "部分覆盖",
        "evidence": "TechAdvisor soldered RAM / 2.5-inch holder.",
        "evidenceIds": [],
        "gaps": "",
        "thisRound": "2026-09-11 Grok b20 reads",
        "reused": "Baseline offers/prices dated 2026-09-10 retained",
        "nextStep": "Independent parent review"
      },
      {
        "id": "us-new-pdp",
        "status": "部分覆盖",
        "evidence": "Newegg identity; historical B&H $209.99.",
        "evidenceIds": [],
        "gaps": "B&H 403.",
        "thisRound": "Root rechecked current Newegg exact-model buybox, seller and available stock; other offers retain historical dates.",
        "reused": "Baseline offers/prices dated 2026-09-10 retained",
        "nextStep": "B&H 403."
      },
      {
        "id": "buying-judgment",
        "status": "部分覆盖",
        "evidence": "Cheapest 2-bay DSM; 1GB and screw-in drives.",
        "evidenceIds": [
          "ev-official-pdf",
          "ev-tweaktown"
        ],
        "gaps": "",
        "thisRound": "2026-09-11 Grok b20 reads",
        "reused": "Baseline offers/prices dated 2026-09-10 retained",
        "nextStep": "Independent parent review"
      },
      {
        "id": "video",
        "status": "尚未研究",
        "evidence": "None attempted.",
        "evidenceIds": [],
        "gaps": "",
        "thisRound": "2026-09-11 Grok b20 reads",
        "reused": "Baseline offers/prices dated 2026-09-10 retained",
        "nextStep": "Independent parent review"
      }
    ],
    "roundNote": "completed work != full data coverage. validate_batch structural-pass is not independent approval. Videos were not attempted. Some reviews used Wayback after live 403.",
    "parentReview": {
      "actorId": "current-codex-root",
      "checkedAt": "2026-09-11T12:13:31.905620+00:00",
      "scope": "Official documents and all listed original prose/chart readings; video and method gaps explicit."
    }
  },
  "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."
  }
}