{
  "schemaVersion": 1,
  "productId": "buffalo-linkstation-soho-720-16tb",
  "exactMpn": "LS720D1602B",
  "runId": "buying-research-full-grok-20260911",
  "recordedAt": "2026-09-11T09:10:07.487045+00:00",
  "subject": {
    "sha256": "d6d91a8ace0371a4f7a2d281d24605b4df4a44d63583fd870fc3b892f2c4b0dc",
    "hashKind": "research-payload-sha256",
    "algorithm": "SHA-256 of UTF-8 JSON with recursively sorted object keys, no optional whitespace, Unicode unescaped; remove only top-level provenance, reviewedAt, reviewedBy, editorialStatus."
  },
  "actors": [
    {
      "id": "legacy-qnap_research",
      "label": "GPT-5.6 Sol",
      "provider": "openai",
      "model": "gpt-5.6-sol",
      "effort": "xhigh",
      "agentRoleName": "qnap_research",
      "identityBasis": "Verified dispatch model selection and matching dated run report; not a provider-side attestation.",
      "evidenceRefs": [
        "reports/buying-research-all-products-20260910/README.md"
      ]
    },
    {
      "id": "legacy-hdd_research",
      "label": "GPT-5.6 Sol",
      "provider": "openai",
      "model": "gpt-5.6-sol",
      "effort": "xhigh",
      "agentRoleName": "hdd_research",
      "identityBasis": "Verified dispatch model selection and matching dated run report; not a provider-side attestation.",
      "evidenceRefs": [
        "reports/buying-research-all-products-20260910/README.md"
      ]
    },
    {
      "id": "legacy-other_nas_research",
      "label": "GPT-5.6 Sol",
      "provider": "openai",
      "model": "gpt-5.6-sol",
      "effort": "xhigh",
      "agentRoleName": "other_nas_research",
      "identityBasis": "Verified dispatch model selection and matching dated run report; not a provider-side attestation.",
      "evidenceRefs": [
        "reports/buying-research-all-products-20260910/README.md"
      ]
    },
    {
      "id": "legacy-codex-root",
      "label": "GPT-6 (Codex)",
      "provider": "openai",
      "model": null,
      "modelFamily": "GPT-6",
      "effort": null,
      "agentRoleName": "root",
      "identityBasis": "Codex host model family confirmed; exact model variant/effort not preserved in the product audit. Unknown fields remain null.",
      "evidenceRefs": [
        "reports/buying-research-all-products-20260910/README.md",
        "reports/buying-research-all-products-20260910/browser-acceptance.json"
      ]
    },
    {
      "id": "b12-grok",
      "label": "Grok 4.6",
      "provider": "xai",
      "model": "grok-4.6",
      "effort": "xhigh",
      "identityBasis": "Verified execution receipt",
      "sessionId": "01a08f64-8015-76fd-b02a-078d22a2df29"
    },
    {
      "id": "current-codex-root",
      "label": "GPT-6 (Codex)",
      "provider": "openai",
      "modelFamily": "GPT-6",
      "model": null,
      "effort": null,
      "identityBasis": "Host model family confirmed; exact variant and effort not asserted."
    }
  ],
  "events": [
    {
      "id": "legacy-20260910-1",
      "actorId": "legacy-codex-root",
      "role": "research-and-self-review",
      "scope": "research and self-review",
      "legacyLabel": "/root — research and self-review",
      "reviewedAt": "2026-09-10T02:57:11.326059+00:00",
      "subjectSha256": "b1038ec11c2140d1e9c67b7053a18694ea32e6b8fef86caa4e09941ff9d176dd",
      "subjectHashKind": "raw-file-sha256",
      "recordedAt": "2026-09-11T05:49:51.110527+00:00",
      "status": "historical-record",
      "evidenceRefs": [
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      ]
    },
    {
      "id": "legacy-20260910-2",
      "actorId": "legacy-qnap_research",
      "role": "independent-evidence-review",
      "scope": "independent evidence review",
      "legacyLabel": "/root/qnap_research — independent evidence review",
      "reviewedAt": "2026-09-10T02:57:11.326059+00:00",
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      "subjectHashKind": "raw-file-sha256",
      "recordedAt": "2026-09-11T05:49:51.110527+00:00",
      "status": "historical-record",
      "evidenceRefs": [
        "reports/buying-research-all-products-20260910/reviews-by-qnap-buffalo/buffalo-linkstation-soho-720-16tb.json"
      ]
    },
    {
      "actorId": "b12-grok",
      "role": "research-and-self-check",
      "status": "completed",
      "subjectSha256": "d6d91a8ace0371a4f7a2d281d24605b4df4a44d63583fd870fc3b892f2c4b0dc",
      "researchedAt": "2026-09-11"
    },
    {
      "actorId": "current-codex-root",
      "role": "independent-review",
      "status": "completed",
      "subjectSha256": "d6d91a8ace0371a4f7a2d281d24605b4df4a44d63583fd870fc3b892f2c4b0dc",
      "reviewedAt": "2026-09-11T09:10:07.487045+00:00",
      "scope": "Exact SKU and capacity specifications; consumer versus SoHo warranty and documentation boundaries; original test conditions and available figures; primary US new-item offers and honest residual coverage.",
      "evidenceChecks": [
        "Parent read complete original current SoHo200/700 specifications, overview, footnotes and downloads; reused full LS700 consumer table/KB6060/warranty checks and visually read original consumer PDF columns.",
        "Parent read LS700 manual relevant USB, LVM, backup and no-hot-swap sections; March2026 p.80 Time Machine conflict is retained instead of unsupported compatibility promise.",
        "Parent read full PCMag4TB body; original SoHo7204TB chart20–23 directions independently verified; related samples are not attributed to larger capacities. TweakTownSoHo2204TB full original and three charts recovered and read this pass.",
        "All four Amazon primary boxes, exact model identity and selected seller checked in original captures; Newegg primary panes reused from independently verified correction evidence. Dated merchant observations are not refreshed without capture.",
        "Unknown current HDD revisions, video ASR/frames and missing exact-capacity measurements remain explicit; no new index or scoring approval."
      ]
    }
  ],
  "sourceOrigins": {
    "status": "not-inferred-per-source",
    "explanation": "The recorded page researchers/reviewers do not prove who originally discovered or reread each inherited source. Source-level historical author attribution is unknown unless a specific source audit establishes it."
  },
  "sources": [
    {
      "id": "official-spec",
      "title": "Buffalo LinkStation SoHo 720 16TB official specifications",
      "url": "https://buffaloamericas.com/products/linkstation-soho-700-series-desktop",
      "kind": "official",
      "checkedAt": "2026-09-11",
      "locator": "Specifications tables → LS720D1602B / LinkStation SoHo 720 column; Overview; Downloads",
      "readAction": "opened",
      "readScope": "Re-read US family specification tables for this MPN column, overview, downloads/firmware notes.",
      "readingActorId": "b12-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "61ddc5c9e3d5719cfcafc2963b81f3a759ae29209799197ba44d43165bec54e9",
          "mimeType": "text/html",
          "sourceUrl": "https://buffaloamericas.com/products/linkstation-soho-700-series-desktop",
          "description": "Official family HTML"
        }
      ]
    },
    {
      "id": "official-mac",
      "title": "Buffalo macOS 26 Time Machine compatibility",
      "url": "https://buffaloamericas.com/knowledge-base/KB6060",
      "kind": "policy",
      "checkedAt": "2026-09-11",
      "locator": "KB6060 → Model Series Compatibility; article updated 2025-10-13",
      "readAction": "opened",
      "readScope": "KB6060 updated 2025-10-13: LS700 fully compatible with macOS 26 Time Machine; LS200 not compatible, firmware investigation in progress.",
      "readingActorId": "b12-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "7be1d140c3d2cc7ed360ec258131868c42cab96cb93c14806fcf7826bab884d4",
          "mimeType": "text/html",
          "sourceUrl": "https://buffaloamericas.com/knowledge-base/KB6060",
          "description": "KB6060 HTML"
        }
      ]
    },
    {
      "id": "official-warranty",
      "title": "Buffalo Americas warranty terms",
      "url": "https://buffaloamericas.com/warranty/warranty-terms",
      "kind": "policy",
      "checkedAt": "2026-09-11",
      "locator": "NAS warranty table → LS200/LS700 or SoHo; proof of purchase and region restrictions",
      "readAction": "opened",
      "readScope": "NAS warranty table: LS210D/LS220D/LS710D/LS720D 2-year; LS220DB/LS720DB SoHo 3-year.",
      "readingActorId": "b12-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "66f8a514161aa8fc8916627f090af67cb5fe56a9c2ae729eed4d329c7309099f",
          "mimeType": "text/html",
          "sourceUrl": "https://buffaloamericas.com/warranty/warranty-terms",
          "description": "Warranty terms HTML"
        }
      ]
    },
    {
      "id": "official-datasheet",
      "title": "Buffalo SoHo 720 data sheet",
      "url": "https://buffaloamericas.com/images/executive_team/LinkStation_SoHo_700_Series_Datasheet-new.pdf",
      "kind": "official",
      "checkedAt": "2026-09-11",
      "locator": "PDF page 2; exact model column, Environmental & Power, Shipping, LAN Interface; table image inspected",
      "readAction": "opened",
      "readScope": "Downloaded PDF and extracted specification page including power, shipping, RAID default and box contents. LS700 text extraction is partly encoded; 710 max power 36 W vs web 46 W reconfirmed from the Environmental & Power row.",
      "readingActorId": "b12-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "509a101ab8f7d5661790131b5d25d56453528fd521b7127e79d49b8b71e7e35c",
          "mimeType": "application/pdf",
          "sourceUrl": "https://buffaloamericas.com/images/executive_team/LinkStation_SoHo_700_Series_Datasheet-new.pdf",
          "description": "Official datasheet PDF"
        },
        {
          "sha256": "52b3d01cdcae4d19eb4c04d7997689e66cbe7a7b83a23c591c5aa3d8e85ec8b5",
          "mimeType": "text/plain",
          "sourceUrl": "https://buffaloamericas.com/images/executive_team/LinkStation_SoHo_700_Series_Datasheet-new.pdf",
          "description": "pdftotext -layout extract"
        }
      ]
    },
    {
      "id": "merchant-newegg",
      "title": "Newegg — LS720D1602B",
      "url": "https://www.newegg.com/buffalo-ls720d1602b/p/N82E16822165857",
      "kind": "merchant",
      "checkedAt": "2026-09-11",
      "locator": "Model and current .product-buy-box: Sold by Newegg, displayed USD price and Add to cart. ItemDetail seller agrees where provided; other-seller popovers are excluded.",
      "readAction": "opened",
      "readScope": "Buy box $659.99 Sold by Newegg.",
      "readingActorId": "b12-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "9a501526b7bb6305247f18354369db89819520b674d94dc74c2ec55009c65fd3",
          "mimeType": "text/html",
          "sourceUrl": "https://www.newegg.com/buffalo-ls720d1602b/p/N82E16822165857",
          "description": "Newegg PDP HTML"
        }
      ]
    },
    {
      "id": "review-pcmag",
      "title": "PCMag Buffalo LinkStation 720 review (UK edition of the 2022 lab test)",
      "url": "https://uk.pcmag.com/network-attached-storage/140950/buffalo-linkstation-720",
      "kind": "review",
      "checkedAt": "2026-09-11",
      "locator": "Lead (4TB LS720D tested); Preinstalled Drives; Installation's a Cinch folder-copy 85/80 MBps; Final Thoughts. US pcmag.com returned 403.",
      "readAction": "opened",
      "readScope": "Professional LS720D 4TB folder copy; related chassis, not SoHo 16TB B-suffix.",
      "readingActorId": "b12-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "e65ea2646be851070dac48968a1462246abebcab2fbd043ad44f2db2dabf57f2",
          "mimeType": "text/plain",
          "sourceUrl": "https://uk.pcmag.com/network-attached-storage/140950/buffalo-linkstation-720",
          "description": "PCMag UK HTML"
        }
      ]
    },
    {
      "id": "related-tweaktown-720b",
      "title": "TweakTown SoHo LS720DB 4TB original charts (related)",
      "url": "https://www.tweaktown.com/reviews/9767/buffalo-linkstation-soho-ls720db-nas/index.html",
      "kind": "review",
      "checkedAt": "2026-09-11",
      "locator": "Wayback/original article plus charts 07/20–23. Chart20 CDM RAID0 SEQ 296.25/250.73 MB/s (3×1 GiB, Z: 0% 7/3660 GiB). Chart22 RAID1 SEQ 296.00/188.50 (Z: 13% 243/1830 GiB). Chart21 DiskBench C→Z write 196.858 / Z→C read 262.583 MB/s. Chart23 log: Z→C READ 156.698 MB/s then C→Z WRITE 114.183 MB/s — article text reversed those directions. Tray photo 07: one Seagate BarraCuda Compute 2TB ST2000DM008-2FR102. Identity LS720D0402B-US, not this SKU.",
      "readAction": "opened",
      "readScope": "Independently viewed original charts 20–23 and tray photo 07. RAID1 DiskBench screenshot READ 156.698 / WRITE 114.183; article reversed. Related LS720D0402B-US only.",
      "readingActorId": "b12-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "7680c809d33cdd40aca99c90ea8c2a79f4c6a956bcb4c32712bd0da7e03020b9",
          "mimeType": "image/png",
          "sourceUrl": "https://static.tweaktown.com/content/9/7/9767_20_buffalo-linkstation-soho-ls720db-nas-review.png",
          "description": "CDM RAID0 chart 20"
        },
        {
          "sha256": "402b3d3ede6dad499caaf1e851eb55748f315b496bb8ad725a3c0c817b1e8263",
          "mimeType": "image/png",
          "sourceUrl": "https://www.tweaktown.com/reviews/9767/buffalo-linkstation-soho-ls720db-nas/index.html",
          "description": "DiskBench RAID0 chart 21"
        },
        {
          "sha256": "661f50b3683db1a36d2d80af3de0ab6c37b3ce9cac0a31299a7f77a14e8e9aa7",
          "mimeType": "image/png",
          "sourceUrl": "https://www.tweaktown.com/reviews/9767/buffalo-linkstation-soho-ls720db-nas/index.html",
          "description": "CDM RAID1 chart 22"
        },
        {
          "sha256": "4065ec1f50f11b6601d428f5c1ad63532e11d866c8cf12dde413eea455d0862d",
          "mimeType": "image/png",
          "sourceUrl": "https://www.tweaktown.com/reviews/9767/buffalo-linkstation-soho-ls720db-nas/index.html",
          "description": "DiskBench RAID1 chart 23"
        },
        {
          "sha256": "d8f1ff266e5629962bf542f517b6fa9954c2e5e81a7fb89d47d73c9bbdaa946a",
          "mimeType": "image/jpeg",
          "sourceUrl": "https://www.tweaktown.com/reviews/9767/buffalo-linkstation-soho-ls720db-nas/index.html",
          "description": "Tray photo one 2TB BarraCuda Compute"
        }
      ]
    },
    {
      "id": "related-lontv",
      "title": "Lon.TV LinkStation 720 video (third-party transcript)",
      "url": "https://www.youtube.com/watch?v=dPhV43m-reI",
      "kind": "review",
      "checkedAt": "2026-09-11",
      "locator": "Description: 2.5GbE LS720, affiliate Amazon. Transcript via videodb.org: idle ~9–10 W, load ~14 W; writes above 100 MB/s then drop; better reads. Exact MPN/capacity not established. No frames. Native YouTube extract failed.",
      "readAction": "opened",
      "readScope": "YouTube page extract failed (no Gemini/browser login). Description and a third-party ASR dump on videodb.org were read. No key frames. Capacity/MPN not proven.",
      "readingActorId": "b12-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "b5272998678d70528eabab33be61bf6c881c6817a92714787ab84fdc5ab1bc65",
          "mimeType": "text/html",
          "sourceUrl": "https://videodb.org/buffalo-linkstation-720-nas-with-25-gigabit-ethernet-review-no-frills-storage/dPhV43m-reI",
          "description": "videodb.org transcript page"
        }
      ]
    },
    {
      "id": "official-manual",
      "title": "LinkStation 700 user manual 35022143-13 (EN, March 2026)",
      "url": "https://manual.buffalo.jp/buf-doc/35022143-13_EN.pdf",
      "kind": "official",
      "checkedAt": "2026-09-11",
      "locator": "Printed pp.54 USB FS footnotes; 66–72 LVM and backup modes; 80 Time Machine vs macOS 26; 220–226 drive replacement including non-malfunctioning-drive hot-swap prohibition. Not applied to LS200.",
      "readAction": "opened",
      "readScope": "Independently read printed pp.54–57 USB FS; 66–73 LVM/backup; 80–81 Time Machine vs macOS 26; 219–227 replacement including p.226 no hot-swap. Not the full 237-page remainder.",
      "readingActorId": "b12-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "0c0c15c6487105d4de081d1a099422ab75f0c67f4f70fd44b031711436a6085d",
          "mimeType": "application/pdf",
          "sourceUrl": "https://manual.buffalo.jp/buf-doc/35022143-13_EN.pdf",
          "description": "LS700 EN manual PDF 35022143-13"
        },
        {
          "sha256": "c196f858bd32e27573238737d40741dfeec47390e421c09bc0575088ba5d4c63",
          "mimeType": "text/plain",
          "sourceUrl": "https://manual.buffalo.jp/buf-doc/35022143-13_EN.pdf",
          "description": "pdftotext of LS700 manual"
        },
        {
          "sha256": "ed7ad8e1fe03fd34d48f3e9450567d7fb9bedb8b695aec50dfd08b3bc259af56",
          "mimeType": "application/json",
          "sourceUrl": "https://manual.buffalo.jp/buf-doc/35022143-13_EN.pdf",
          "description": "Parent section index; not a substitute for independent page reads"
        }
      ]
    }
  ],
  "coverage": {
    "productId": "buffalo-linkstation-soho-720-16tb",
    "roundStatus": "本轮完成",
    "reviewCount": 0,
    "offerCount": 1,
    "dimensions": [
      {
        "id": "identity",
        "status": "已核实",
        "evidence": "Official US table lists LS720D1602B.",
        "evidenceIds": [
          "ev-official-spec"
        ],
        "gaps": "Current HDD MPN inside the carton is still unknown.",
        "nextStep": "If a retailer photo of the installed drive appears, record the MPN without assuming it for all inventory.",
        "thisRound": "Re-read official HTML/PDF.",
        "reused": "Baseline identity rows retained."
      },
      {
        "id": "specifications",
        "status": "已核实",
        "evidence": "43 baseline rows preserved in order; official column re-checked.",
        "evidenceIds": [
          "ev-official-spec"
        ],
        "gaps": "LS710 web vs PDF maximum power conflict kept where present; SoHo Internal AC vs AC adapter in box kept.",
        "nextStep": "Do not collapse conflicting power/PSU wording.",
        "thisRound": "PDF + HTML.",
        "reused": "Full specification table."
      },
      {
        "id": "software-limits",
        "status": "部分覆盖",
        "evidence": "LS700 manual USB/LVM/backup/hot-swap/Time Machine conflict. Native FS type still unnamed.",
        "evidenceIds": [
          "ev-official-spec",
          "ev-ls700-manual"
        ],
        "gaps": "Unread remainder of the 237-page manual; native internal filesystem name.",
        "nextStep": "None unless Buffalo publishes a filesystem statement.",
        "thisRound": "Independent read of supplied pages, not product-page-only unknown.",
        "reused": "Baseline software rows."
      },
      {
        "id": "direct-measurement",
        "status": "已检索未找到",
        "evidence": "See evidence items with applicability direct.",
        "evidenceIds": [],
        "gaps": "No original test of this factory capacity.",
        "nextStep": "Keep searching exact MPN; do not copy other-capacity numbers into reviews[].",
        "thisRound": "PCMag/TweakTown/STH/Sundaygamer as applicable.",
        "reused": "Baseline TweakTown on SoHo 4TB where present."
      },
      {
        "id": "related-experience",
        "status": "部分覆盖",
        "evidence": "Related family tests kept out of reviews[] unless exact.",
        "evidenceIds": [
          "ev-lontv-ls720",
          "ev-tweaktown-ls720d0402b",
          "ev-tweaktown-9767-charts"
        ],
        "gaps": "Charts apply to LS720D0402B-US 4TB, not this SKU. Live TweakTown 403. Lon.TV frames still missing.",
        "nextStep": "Parent may supply TweakTown figure renders / Lon.TV frames.",
        "thisRound": "Original 9767 charts 20–23 viewed; no stale unread-chart claim for those files.",
        "reused": "Prior candidate URLs were not dropped."
      },
      {
        "id": "us-new-pdp",
        "status": "部分覆盖",
        "evidence": "1 offers after this round.",
        "evidenceIds": [],
        "gaps": "B&H mostly HTTP 403; Best Buy often timeout/unknown price; some marketplace sellers.",
        "nextStep": "Parent browser capture for B&H/Best Buy if needed.",
        "thisRound": "Amazon/Newegg/CDW HTML as applicable.",
        "reused": "Historical Best Buy unknown-price PDPs where still valid."
      },
      {
        "id": "buying-judgment",
        "status": "已核实",
        "evidence": "Fit still file-sharing appliance; RAID 1 capacity planning; no apps/containers.",
        "evidenceIds": [
          "ev-official-spec"
        ],
        "gaps": "Exact HDD revision and acoustics.",
        "nextStep": "Independent review of new PCMag inclusion on 720-4tb.",
        "thisRound": "Judgment synced to new measurements where exact.",
        "reused": "Baseline audience/warranty framing."
      },
      {
        "id": "video",
        "status": "部分覆盖",
        "evidence": "Lon.TV dPhV43m-reI attempted for LS720 family.",
        "evidenceIds": [
          "ev-lontv-ls720"
        ],
        "gaps": "Lon.TV dPhV43m-reI still lacks native ASR and identity/speed-test frames. Do not mark full video coverage.",
        "nextStep": "Parent in-app transcript/frames for dPhV43m-reI.",
        "thisRound": "No new official YouTube extract; residual remains.",
        "reused": "2026-09-10 pending Lon.TV candidate was not ignored."
      }
    ],
    "roundNote": "Research-and-self-check draft; independentReviewStatus pending. Completed work is not full data coverage."
  },
  "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."
  }
}