{
  "schemaVersion": 1,
  "productId": "seagate-ironwolf-pro-st12000nt001-12tb",
  "exactMpn": "ST12000NT001",
  "runId": "buying-research-mainstream-five-20260912",
  "recordedAt": "2026-09-12T01:27:47.784777+00:00",
  "subject": {
    "sha256": "1cd2b6394ea8ad75577df4e0620da4c949fbd84ae6068a05b2da29ed6cfeaaae",
    "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": "b01-grok",
      "label": "Grok 4.6",
      "provider": "xai",
      "model": "grok-4.6",
      "effort": "xhigh",
      "identityBasis": "Verified execution receipt",
      "sessionId": "01a08f02-7440-7506-8e21-1922494f08a2"
    },
    {
      "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."
    },
    {
      "id": "mainstream-five-seagate-grok",
      "label": "Grok 4.6",
      "provider": "xai",
      "model": "grok-4.6",
      "effort": "xhigh",
      "sessionId": "01a0931c-ce86-714e-8fd5-e7ce3c64c2f0",
      "identityBasis": "Execution receipt and assistant-event model verified."
    }
  ],
  "events": [
    {
      "id": "legacy-20260910-1",
      "actorId": "legacy-hdd_research",
      "role": "research-and-self-review",
      "scope": "research and self-review",
      "legacyLabel": "/root/hdd_research — research and self-review",
      "reviewedAt": "2026-09-10T02:57:11.326059+00:00",
      "subjectSha256": "d3284dcc148be1a5bdaecb157f58680844884943879f93b6bcceffccb0e4d6b5",
      "subjectHashKind": "raw-file-sha256",
      "recordedAt": "2026-09-11T05:49:51.110527+00:00",
      "status": "historical-record",
      "evidenceRefs": [
        "reports/buying-research-all-products-20260910/editorial-decisions.json"
      ]
    },
    {
      "id": "legacy-20260910-2",
      "actorId": "legacy-other_nas_research",
      "role": "independent-evidence-review",
      "scope": "independent evidence review",
      "legacyLabel": "/root/other_nas_research — independent evidence review",
      "reviewedAt": "2026-09-10T02:57:11.326059+00:00",
      "subjectSha256": "d3284dcc148be1a5bdaecb157f58680844884943879f93b6bcceffccb0e4d6b5",
      "subjectHashKind": "raw-file-sha256",
      "recordedAt": "2026-09-11T05:49:51.110527+00:00",
      "status": "historical-record",
      "evidenceRefs": [
        "reports/buying-research-all-products-20260910/owners/nas_other/reviews-by-nas-other/seagate-ironwolf-pro-st12000nt001-12tb.json"
      ]
    },
    {
      "id": "legacy-20260910-3",
      "actorId": "legacy-codex-root",
      "role": "integration-and-page-review",
      "scope": "integration and local page review",
      "legacyLabel": "/root — integration and local page review",
      "reviewedAt": "2026-09-10T02:57:11.326059+00:00",
      "subjectSha256": "d3284dcc148be1a5bdaecb157f58680844884943879f93b6bcceffccb0e4d6b5",
      "subjectHashKind": "raw-file-sha256",
      "recordedAt": "2026-09-11T05:49:51.110527+00:00",
      "status": "historical-record",
      "evidenceRefs": [
        "reports/buying-research-all-products-20260910/editorial-decisions.json"
      ]
    },
    {
      "actorId": "b01-grok",
      "role": "research-and-self-check",
      "status": "completed",
      "subjectSha256": "18456eb7b6e3a397e5b0db1df332bdfd09e03bf9ee54e854bf51c184a112537c",
      "researchedAt": "2026-09-11"
    },
    {
      "actorId": "current-codex-root",
      "role": "editorial-correction",
      "status": "completed",
      "inputSubjectSha256": "18456eb7b6e3a397e5b0db1df332bdfd09e03bf9ee54e854bf51c184a112537c",
      "subjectSha256": "8c178bee47c5a943780ae0b90fced1a048a380e53f60e2f85822c0ce3454fbd1",
      "changes": [
        {
          "field": "specifications/audit/review context",
          "change": "Added explicit manual MTBF conditions and visually checked table evidence; removed unrelated scoring wording from32TB review context."
        }
      ]
    },
    {
      "actorId": "current-codex-root",
      "role": "independent-review",
      "status": "completed",
      "subjectSha256": "8c178bee47c5a943780ae0b90fced1a048a380e53f60e2f85822c0ce3454fbd1",
      "reviewedAt": "2026-09-11T09:36:37.541954+00:00",
      "scope": "Exact-model official table/manual discrepancies; original review or owner-source applicability; preserved material provenance and primary offers.",
      "evidenceChecks": [
        "DS2129.4 exact12TB and DS2129.7 exact28/32TB columns visually read; shared manuals pages7–12 and reliability conditions independently read.12TB256MB/512MB source conflict retained.",
        "32TB ComputerBase and StorageReview full original bodies independently read earlier in this run; corrected full-surface cooling,7.6W,10GB FIO and LLM test conditions verified in round4.",
        "28TB original Materiel and BestBuy owner material independently read earlier; incentivized/verified badges retained, no fleet failure inference.12TB has no adopted exact-model lab.",
        "Earlier parent primary-pane checks reused:12TB Adorama514.77+9.10 shipping;28TB Newegg1019.99;32TB primaryTechnoDealsUSA1699 with separate NeweggOOS1159.99. Historical dates retained; no CCI or indexing changes."
      ]
    },
    {
      "actorId": "mainstream-five-seagate-grok",
      "role": "research-and-self-check",
      "status": "completed",
      "researchedAt": "2026-09-12",
      "scope": "Targeted supplementary draft; subsequent parent corrections are attributed separately. Original CLI result retained in local execution record."
    },
    {
      "actorId": "current-codex-root",
      "role": "editorial-correction",
      "status": "completed",
      "inputSubjectSha256": "8c178bee47c5a943780ae0b90fced1a048a380e53f60e2f85822c0ce3454fbd1",
      "subjectSha256": "1cd2b6394ea8ad75577df4e0620da4c949fbd84ae6068a05b2da29ed6cfeaaae",
      "reviewedAt": "2026-09-12T01:27:47.784777+00:00",
      "changes": [
        "Keep SmartHDD as related evidence,not a qualified benchmark;countremains0.",
        "RevA Table2 cache/speed rows are merged across16TB/12TB,not independent12TB cells.",
        "Explain paired MiB/s and MB/s without using conversion to resolve datasheet270MB/s.",
        "Remove speculative platter-count explanation for power;preserve cache,power,mass,acoustic/environmental discrepancies with conditions."
      ]
    },
    {
      "actorId": "current-codex-root",
      "role": "independent-review",
      "status": "completed",
      "subjectSha256": "1cd2b6394ea8ad75577df4e0620da4c949fbd84ae6068a05b2da29ed6cfeaaae",
      "reviewedAt": "2026-09-12T01:27:47.784777+00:00",
      "scope": "Independent review of new adopted original evidence and final applicability; preserve earlier accepted facts and source history. This review is of the supplement, not a claim to re-test the drive or reread all historical offers.",
      "evidenceChecks": [
        "RevA original PDF cover and printed pp4–11 text read;printedp8 Table2 visually inspected:ST12000NT001 named,merged512MB,272MiB/s(285MB/s),259MiB/s(272MB/s);per12TB655gmax.",
        "RevB cover/changelog and pp7–11 reread:Revised model numbers;merged272/259MB/s,Table4group285MB/s,35Csharedidle6.19W;nohardware revision bridge.",
        "DS2129.4 exact12TB column and footnotes retained and checked;DS2129.7 has only32/30/28TB.",
        "Full SmartHDD3LX101/EN01 original read:n1,264MiB/s,358buffered,11.94ms,nohost/region/workload/version. Full Nero3LX101 text read;Hardwareluxx NT page1 identifies tested20TB."
      ]
    }
  ],
  "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": "datasheet",
      "title": "Seagate IronWolf Pro model specification table",
      "url": "https://www.seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/ironwolf-pro-12tb/ironwolf-pro-20tb-DS2129-4-2311US-en_US.pdf",
      "kind": "official",
      "checkedAt": "2026-09-11",
      "locator": "DS2129.4-2311US p.3 ST12000NT001 column: 256 MB cache, 270 MB/s OD, 550 TB/year, 2.5M MTBF, 5.0 W idle, 7.8 W operating, 20/26 dBA, helium, unlimited bays.",
      "readAction": "opened",
      "readScope": "pdftotext -layout 12TB column pages 3-4",
      "readingActorId": "mainstream-five-seagate-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "1f7d692095f55b33e9b578b334bdc2fd3a8846bbedffbf09d5a16ec277085ba8",
          "mimeType": "application/pdf",
          "sourceUrl": "https://www.seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/ironwolf-pro-12tb/ironwolf-pro-20tb-DS2129-4-2311US-en_US.pdf"
        }
      ],
      "readingHistory": [
        {
          "readAction": "opened",
          "readScope": "Exact model original datasheet column visually checked with shared footnotes; not inferred from neighboring capacity.",
          "readingActorId": "current-codex-root",
          "materials": [
            {
              "sha256": "1f7d692095f55b33e9b578b334bdc2fd3a8846bbedffbf09d5a16ec277085ba8",
              "mimeType": "application/pdf",
              "sourceUrl": "https://www.seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/ironwolf-pro-12tb/ironwolf-pro-20tb-DS2129-4-2311US-en_US.pdf",
              "description": "DS2129.4-2311US downloaded 2026-09-11"
            },
            {
              "sha256": "1b831b2cbe987682dc9c54f24567b3cefb3514da9ff33413335abfe690c05d75",
              "sourceUrl": "https://www.seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/ironwolf-pro-12tb/ironwolf-pro-20tb-DS2129-4-2311US-en_US.pdf",
              "description": "Parent visually verified exact-model column in original datasheet render"
            }
          ],
          "checkedAt": "2026-09-11"
        }
      ]
    },
    {
      "id": "manual",
      "title": "Seagate IronWolf Pro SATA product manual",
      "url": "https://www.seagate.com/content/dam/seagate/assets/products/nas-drives/ironwolf-pro-hard-drive/files/Seagate_IronWolf_Pro_SATA_Product_Manual_24-20-16-12TB_206815300B.pdf",
      "kind": "official",
      "checkedAt": "2026-09-11",
      "locator": "Cover models ST24000NT002 / ST20000NT001 / ST16000NT001 / ST12000NT001; specification summary tables pp. 7–12 and acoustics/power notes. Shared rows are not per-column.",
      "readAction": "opened",
      "readScope": "pdftotext -layout pp.1-18 including revision history and Tables 2/4/6/18",
      "readingActorId": "mainstream-five-seagate-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "9c1489724feef7c1235f75690a1f61a88e1fbb98d1d65fdb851157e1e8d04294",
          "mimeType": "application/pdf",
          "sourceUrl": "https://www.seagate.com/content/dam/seagate/assets/products/nas-drives/ironwolf-pro-hard-drive/files/Seagate_IronWolf_Pro_SATA_Product_Manual_24-20-16-12TB_206815300B.pdf"
        }
      ],
      "readingHistory": [
        {
          "readAction": "opened",
          "readScope": "pdftotext cover + specification summary tables",
          "readingActorId": "b01-grok",
          "materials": [
            {
              "sha256": "9c1489724feef7c1235f75690a1f61a88e1fbb98d1d65fdb851157e1e8d04294",
              "mimeType": "application/pdf",
              "sourceUrl": "https://www.seagate.com/content/dam/seagate/assets/products/nas-drives/ironwolf-pro-hard-drive/files/Seagate_IronWolf_Pro_SATA_Product_Manual_24-20-16-12TB_206815300B.pdf",
              "description": "IronWolf Pro SATA manual 206815300B"
            }
          ],
          "checkedAt": "2026-09-11"
        }
      ]
    },
    {
      "id": "offer-bandh",
      "title": "B&H ST12000NT001 product offer",
      "url": "https://www.bhphotovideo.com/c/product/1760982-REG/seagate_st12000nt001_12tb_ironwolf_pro_7200.html",
      "kind": "merchant",
      "checkedAt": "2026-09-08T15:38:55.972741+00:00",
      "locator": "Product heading / MFR, selected capacity and quantity; primary purchase area and seller disclosure. Exact MFR; single drive; primary new listing says Temporarily Out of Stock. Price is an unavailable listing, not a buy-now quote.",
      "readAction": "blocked",
      "readScope": "HTTP 403 on 2026-09-11; 2026-09-08 observation not timestamp-edited",
      "readingActorId": "b01-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "a3804c6dd31eab79e081862da59bdf3c52ea653a92f381c2d9efbe3bb52f3253",
          "mimeType": "text/html",
          "sourceUrl": "https://www.bhphotovideo.com/c/product/1760982-REG/seagate_st12000nt001_12tb_ironwolf_pro_7200.html",
          "description": "PDP HTML saved 2026-09-11"
        }
      ]
    },
    {
      "id": "offer-newegg",
      "title": "Newegg ST12000NT001 product offer",
      "url": "https://www.newegg.com/seagate-ironwolf-pro-st12000nt001-12tb-enterprise-nas-hard-drives-7200-rpm/p/N82E16822185075",
      "kind": "merchant",
      "checkedAt": "2026-09-08T15:38:55.972741+00:00",
      "locator": "Product heading / MFR, selected capacity and quantity; primary purchase area and seller disclosure. Exact model and capacity; primary Add to cart offer. Retail or OEM packing may vary.",
      "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": "4a271ee7c337a0b1889bc82abc31d5da6be9eea3f7fe9e4a701e74816cf7445d",
          "mimeType": "text/html",
          "sourceUrl": "https://www.newegg.com/seagate-ironwolf-pro-st12000nt001-12tb-enterprise-nas-hard-drives-7200-rpm/p/N82E16822185075",
          "description": "PDP HTML saved 2026-09-11"
        }
      ]
    },
    {
      "id": "offer-adorama",
      "title": "Adorama ST12000NT001 product offer",
      "url": "https://www.adorama.com/seagate-ironwolf-pro-sata-iii-3-5-internal-nas-hard-drive-7200-rpm/p/set1200nt001",
      "kind": "merchant",
      "checkedAt": "2026-09-08T15:38:55.972741+00:00",
      "locator": "Product heading / MFR, selected capacity and quantity; primary purchase area and seller disclosure. Exact MFR and single-drive selector verified; active primary stock not visible, so selector price is not quoted.",
      "readAction": "not-attempted",
      "readScope": "Adorama PDP not re-fetched this round; older dated row reused",
      "readingActorId": "b01-grok",
      "checkedOn": "2026-09-11",
      "materials": []
    },
    {
      "id": "offer-amazon",
      "title": "Amazon ST12000NT001 product offer",
      "url": "https://www.amazon.com/dp/B0B94KSFTH",
      "kind": "merchant",
      "checkedAt": "2026-09-08T15:38:55.972741+00:00",
      "locator": "Product heading / MFR, selected capacity and quantity; primary purchase area and seller disclosure. Exact title and EPHDirect seller; price behind cart and selected-offer availability not stated. No cart action taken.",
      "readAction": "blocked",
      "readScope": "Amazon bot interstitial, not a PDP, on 2026-09-11",
      "readingActorId": "b01-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "8aa42a87864e6bc6fef69f5e4964bfebb555ae6fa1a644400992beb565f4bb18",
          "mimeType": "text/html",
          "sourceUrl": "https://www.amazon.com/dp/B0B94KSFTH",
          "description": "PDP HTML saved 2026-09-11"
        }
      ]
    },
    {
      "id": "current-newegg-1-20260910",
      "title": "Newegg: ST12000NT001 current US new listing",
      "url": "https://www.newegg.com/seagate-ironwolf-pro-st12000nt001-12tb-enterprise-nas-hard-drives-7200-rpm/p/N82E16822185075",
      "kind": "merchant",
      "checkedAt": "2026-09-10",
      "locator": "Exact MPN in H1; selected main offer shows Add to cart, seller Adorama, and a visible price of $514.77.",
      "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": "4a271ee7c337a0b1889bc82abc31d5da6be9eea3f7fe9e4a701e74816cf7445d",
          "mimeType": "text/html",
          "sourceUrl": "https://www.newegg.com/seagate-ironwolf-pro-st12000nt001-12tb-enterprise-nas-hard-drives-7200-rpm/p/N82E16822185075",
          "description": "PDP HTML saved 2026-09-11"
        }
      ]
    },
    {
      "id": "related-toms-12pro",
      "title": "Tom's Hardware IronWolf Pro 12TB HDD Review",
      "url": "https://www.tomshardware.com/reviews/seagate-ironwolf-pro-12tb-hdd,5443.html",
      "kind": "review",
      "checkedAt": "2026-09-11",
      "locator": "Title/spec context for an older 12TB Pro generation; not ST12000NT001",
      "readAction": "opened",
      "readScope": "Tom's Hardware IronWolf Pro 12TB HTML saved; pre-NT generation",
      "readingActorId": "b01-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "2e0d17d61fc341de2d6ecd9768d21ac7abf975f644c96a0c7b5a429a7bb8af8c",
          "mimeType": "text/html",
          "sourceUrl": "https://www.tomshardware.com/reviews/seagate-ironwolf-pro-12tb-hdd,5443.html",
          "description": "Tom's 12TB Pro"
        }
      ]
    },
    {
      "id": "related-sr-12pro",
      "title": "StorageReview Seagate IronWolf Pro NAS HDD 12TB Review",
      "url": "https://www.storagereview.com/review/seagate-ironwolf-pro-nas-hdd-12tb-review",
      "kind": "review",
      "checkedAt": "2026-09-11",
      "locator": "8-drive RAID6 Netgear test of pre-NT 12TB Pro",
      "readAction": "opened",
      "readScope": "StorageReview 12TB Pro RAID6 HTML saved; pre-NT",
      "readingActorId": "b01-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "f27d61d9c971ff55c9a3c1b189798d0ec40842aec2d1aa1c0ddb696586757dc4",
          "mimeType": "text/html",
          "sourceUrl": "https://www.storagereview.com/review/seagate-ironwolf-pro-nas-hdd-12tb-review",
          "description": "SR 12TB Pro"
        }
      ]
    },
    {
      "id": "related-hlx-12pro",
      "title": "Hardwareluxx: Seagate IronWolf Pro 12 TB im Test",
      "url": "https://www.hardwareluxx.de/index.php/artikel/hardware/storage/44765-seagate-ironwolf-pro-12tb-im-test.html",
      "kind": "review",
      "checkedAt": "2026-09-11",
      "locator": "2017 12TB Pro lab; 300 TB/year class",
      "readAction": "opened",
      "readScope": "Hardwareluxx 2017 12TB Pro HTML saved 2026-09-11; 300 TB/year class",
      "readingActorId": "b01-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "40f65d43655d06457c5a788acb3733cf08eccf99599a88c844a02bd7b316e235",
          "mimeType": "text/html",
          "sourceUrl": "https://www.hardwareluxx.de/index.php/artikel/hardware/storage/44765-seagate-ironwolf-pro-12tb-im-test.html",
          "description": "Hardwareluxx 12TB Pro 2017"
        }
      ]
    },
    {
      "id": "offer-newegg-20260911",
      "title": "Newegg ST12000NT001 product page",
      "url": "https://www.newegg.com/seagate-ironwolf-pro-st12000nt001-12tb-enterprise-nas-hard-drives-7200-rpm/p/N82E16822185075",
      "kind": "merchant",
      "checkedAt": "2026-09-11",
      "locator": "Exact MPN in title; Newegg-sold SKU not isolated as the featured in-stock buy box; marketplace Adorama row FinalPrice 523.87 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": "4a271ee7c337a0b1889bc82abc31d5da6be9eea3f7fe9e4a701e74816cf7445d",
          "mimeType": "text/html",
          "sourceUrl": "https://www.newegg.com/seagate-ironwolf-pro-st12000nt001-12tb-enterprise-nas-hard-drives-7200-rpm/p/N82E16822185075",
          "description": "PDP HTML saved 2026-09-11"
        }
      ]
    },
    {
      "id": "video-d96s-12nt-marketing",
      "title": "Reviewsinside IronWolf Pro 12TB recap (not an original test)",
      "url": "https://www.youtube.com/watch?v=d96sBHQbOaM",
      "kind": "review",
      "checkedAt": "2026-09-11",
      "locator": "ASR 0:00–7:23 spec recap; ~2:00 generic IronWolf HDD+SSD marketing still",
      "readAction": "opened",
      "readScope": "Full ASR; description; ~2:00 marketing still. Not an original test. Not claiming AI-proven.",
      "readingActorId": "b01-grok",
      "observedAt": "2026-09-11T06:43:17Z",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "0ce1b90f2a88d15d5e9ea756f55756f229194c868fc3cfe289ee3f7d19fac81e",
          "mimeType": "text/plain",
          "sourceUrl": "https://www.youtube.com/watch?v=d96sBHQbOaM",
          "description": "Exported captions"
        },
        {
          "sha256": "efc83a5b37784054ab4adbaf100e05df9b1b9aa7fd630a8b76432025d7f3ee9c",
          "mimeType": "text/plain",
          "sourceUrl": "https://www.youtube.com/watch?v=d96sBHQbOaM",
          "description": "Expanded description"
        },
        {
          "sha256": "b274bf1267bc09b73e9a523a4e2958dc06588cf3f1c964c8a7c27a4ab9c990d0",
          "mimeType": "image/png",
          "sourceUrl": "https://www.youtube.com/watch?v=d96sBHQbOaM",
          "description": "Generic IronWolf HDD+SSD marketing still"
        }
      ]
    },
    {
      "id": "video-dod-12ne-related",
      "title": "CineTech 72TB NT001-titled clip; on-screen ST12000NE0008",
      "url": "https://www.youtube.com/watch?v=dOdOT-p31as",
      "kind": "review",
      "checkedAt": "2026-09-11",
      "locator": "Music ASR; 0:48 label ST12000NE0008; 5:39 boxed drives",
      "readAction": "opened",
      "readScope": "Music ASR; 0:48 ST12000NE0008 label; 5:39 boxed drives.",
      "readingActorId": "b01-grok",
      "observedAt": "2026-09-11T06:29:26Z",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "439b30e47b3d1cc3adf15b2d6f7a28dc056df6dd8e4dec2b26c82be513cce02c",
          "mimeType": "text/plain",
          "sourceUrl": "https://www.youtube.com/watch?v=dOdOT-p31as",
          "description": "Music auto captions"
        },
        {
          "sha256": "0cedb00d8f103d40148d0026c8a642c3a2d0d7b1a5188aeff08d5e577f52c56a",
          "mimeType": "text/plain",
          "sourceUrl": "https://www.youtube.com/watch?v=dOdOT-p31as",
          "description": "Affiliate description"
        },
        {
          "sha256": "2824c553b1bf5a4c8fffe2926e5c1464e55d7531b0ae940abda008c29737b760",
          "mimeType": "image/png",
          "sourceUrl": "https://www.youtube.com/watch?v=dOdOT-p31as",
          "description": "Label ST12000NE0008"
        },
        {
          "sha256": "af0c1f9b912ae1cd6b9e586e0a3fea3fbb89ccfbd676b30b2d2b302b5e9d14be",
          "mimeType": "image/png",
          "sourceUrl": "https://www.youtube.com/watch?v=dOdOT-p31as",
          "description": "Boxed drives, no benchmark"
        }
      ]
    },
    {
      "id": "official-manual-206815300A",
      "title": "Seagate IronWolf Pro SATA Product Manual 206815300 Rev. A",
      "url": "https://www.seagate.com/content/dam/seagate/assets/products/nas-drives/ironwolf-pro-hard-drive/files/206815300a_Ironwolf_Pro_12-16-20-24.pdf",
      "kind": "official",
      "checkedAt": "2026-09-12",
      "locator": "Cover Dec 2023; Table 2 ST12000NT001 column: cache 512MB (524,288KB); Max Sustained OD 272 MiB/s (285 MB/s max); Sustained OD 259 MiB/s (272 MB/s max)",
      "readAction": "opened",
      "readScope": "pdftotext -layout pp.1-12 Table 2 ST12000NT001 column",
      "readingActorId": "mainstream-five-seagate-grok",
      "materials": [
        {
          "sha256": "07ee064d29223badfff51dcac1f3283e9708018ba6be988fff4474198d4010d3",
          "mimeType": "application/pdf",
          "sourceUrl": "https://www.seagate.com/content/dam/seagate/assets/products/nas-drives/ironwolf-pro-hard-drive/files/206815300a_Ironwolf_Pro_12-16-20-24.pdf"
        }
      ]
    },
    {
      "id": "related-smarthdd-3lx101",
      "title": "SmartHDD database ST12000NT001-3LX101 firmware EN01",
      "url": "https://smarthdd.com/database/ST12000NT001-3LX101/EN01/",
      "kind": "review",
      "checkedAt": "2026-09-12",
      "locator": "Model ST12000NT001-3LX101; firmware EN01; units tested 1; times tested 1; max read 264 MiB/s; buffered read 358 MiB/s; 7200 rpm",
      "readAction": "opened",
      "readScope": "full HTML",
      "readingActorId": "mainstream-five-seagate-grok",
      "materials": [
        {
          "sha256": "e1475f1a6f47c139bf3d16a1b57f615664aebc45a71a8bcf27c6dc4ebd1701da",
          "mimeType": "text/html",
          "sourceUrl": "https://smarthdd.com/database/ST12000NT001-3LX101/EN01/"
        }
      ]
    },
    {
      "id": "related-nero-3lx101",
      "title": "Nero Score page for ST12000NT001-3LX101",
      "url": "https://score.nero.com/ssd-hdd-benchmark/st12000nt001-3lx101",
      "kind": "review",
      "checkedAt": "2026-09-12",
      "locator": "Model ST12000NT001-3LX101; sequential 267/264 MB/s with no n, file size, or host path; page also lists whole-PC Nero scores",
      "readAction": "opened",
      "readScope": "full HTML",
      "readingActorId": "mainstream-five-seagate-grok",
      "materials": [
        {
          "sha256": "84c8b34841270970c0d7ce1e8ed4aa39c29075f42386123523ad89bf18f46cb4",
          "mimeType": "text/html",
          "sourceUrl": "https://score.nero.com/ssd-hdd-benchmark/st12000nt001-3lx101"
        }
      ]
    },
    {
      "id": "related-hlx-nt20",
      "title": "Hardwareluxx: IronWolf Pro NT refresh test (ST20000NT001)",
      "url": "https://www.hardwareluxx.de/index.php/artikel/hardware/storage/59942-seagate-ironwolf-pro-refresh-im-test-die-nt-serie-mit-550-tb-maximaler-j%C3%A4hrlicher-arbeitsleistung.html",
      "kind": "review",
      "checkedAt": "2026-09-12",
      "locator": "Page 1 2023-02-12; tested ST20000NT001; states NT models from 12 TB have 2.5 million-hour MTBF, 550 TB/year, unlimited bays",
      "readAction": "opened",
      "readScope": "page 1 HTML only",
      "readingActorId": "mainstream-five-seagate-grok",
      "materials": [
        {
          "sha256": "583e647f0438b031d2bc5f375da4774072abd3d2d833668b2f0ddcc672512897",
          "mimeType": "text/html",
          "sourceUrl": "https://www.hardwareluxx.de/index.php/artikel/hardware/storage/59942-seagate-ironwolf-pro-refresh-im-test-die-nt-serie-mit-550-tb-maximaler-j%C3%A4hrlicher-arbeitsleistung.html"
        }
      ]
    }
  ],
  "coverage": {
    "productId": "seagate-ironwolf-pro-st12000nt001-12tb",
    "before": {
      "specifications": 43,
      "reviews": 0,
      "measurements": 0,
      "sources": 13,
      "relatedSourceRecords": 5,
      "offers": 4,
      "gaps": [
        {
          "topic": "Exact-model independent tests",
          "detail": "Exact-MPN searches in English and German, plus family queries, still found no qualifying original professional test of ST12000NT001. Pre-NT 12TB Pro labs are retained as related evidence only.",
          "affectsVerdict": true
        },
        {
          "topic": "Official specification discrepancies",
          "detail": "DS2129.4 exact-model columns and 206815300B shared tables disagree on cache, throughput, acoustics, power and some environmental/physical limits; Rev B also contains internal throughput and temperature differences. Values are labeled by source, not combined into a guaranteed revision specification.",
          "affectsVerdict": true
        },
        {
          "topic": "System-specific compatibility and lifetime",
          "detail": "No exact enclosure/firmware qualification or long-term fleet failure study was established by this page. Manufacturer ratings do not establish either.",
          "affectsVerdict": true
        },
        {
          "topic": "Current US offer coverage",
          "detail": "On 2026-09-11 Newegg showed Adorama selling ST12000NT001 at $514.77 plus $9.10 listed shipping (FinalPrice $523.87 combines them). Older B&H, Amazon and Adorama rows keep their 2026-09-08 times. None of these is a live checkout quote. Confirm seller, new condition and shipping at purchase.",
          "affectsVerdict": false
        }
      ]
    },
    "after": {
      "specifications": 43,
      "reviews": 0,
      "measurements": 0,
      "sources": 17,
      "relatedSourceRecords": 8,
      "offers": 4,
      "gaps": [
        {
          "topic": "Exact-model independent tests",
          "detail": "No qualifying original professional test of ST12000NT001. Pre-NT 12TB Pro labs and the Hardwareluxx 20TB NT lab stay related. SmartHDD n=1 is adopted only as a qualified tool row, not a lab profile.",
          "affectsVerdict": true
        },
        {
          "topic": "Official specification discrepancies",
          "detail": "Cache 256 vs 512 MB, OD transfer 270 vs 272 MiB/s vs 285 MB/s, idle 5.0 W vs 6.19 W, mass 670 g typical vs 655 g max remain unresolved. Rev A dual-unit rows explain 272 vs 285 inside that manual only. Rev B changelog does not claim a 12TB spec change. No public P-N/firmware bridge.",
          "affectsVerdict": true
        },
        {
          "topic": "System-specific compatibility and lifetime",
          "detail": "No exact enclosure/firmware qualification or long-term fleet failure study was established. Manufacturer ratings do not establish either. Reddit DOA threads returned 403 this round and were not read.",
          "affectsVerdict": true
        },
        {
          "topic": "Current US offer coverage",
          "detail": "On 2026-09-11 Newegg showed Adorama selling ST12000NT001 at $514.77 plus $9.10 listed shipping. Older B&H, Amazon and Adorama rows keep their 2026-09-08 times. None is a live checkout quote. Not re-priced this round.",
          "affectsVerdict": false
        }
      ]
    },
    "status": "integrated-and-reviewed",
    "parentReviewRef": "reports/buying-research-mainstream-five-20260912/parent-review.json",
    "remainingGapPolicy": "Retain missing evidence; no forced review quota or automatic indexing approval."
  },
  "retiredRecords": [
    {
      "kind": "offer",
      "id": "current-newegg-1-20260910-new",
      "supersededBy": "current-newegg-marketplace-adorama-20260911",
      "reason": "Same clean PDP + MPN + seller; keep newest dated observation in research.offers.",
      "original": {
        "id": "current-newegg-1-20260910-new",
        "merchant": "Newegg",
        "seller": "Adorama",
        "url": "https://www.newegg.com/seagate-ironwolf-pro-st12000nt001-12tb-enterprise-nas-hard-drives-7200-rpm/p/N82E16822185075",
        "exactMpn": "ST12000NT001",
        "configuration": "One 12TB 3.5-inch SATA HDD",
        "priceUsd": 514.77,
        "currency": "USD",
        "availability": "in-stock",
        "condition": "new",
        "conditionBasis": "Regular exact-product main listing; no used, refurbished or open-box designation appears in the title or selected main offer.",
        "checkedAt": "2026-09-10",
        "sourceId": "current-newegg-1-20260910",
        "evidenceLocator": "Exact MPN in H1; selected main offer shows Add to cart, seller Adorama, and a visible price of $514.77.",
        "shipping": "Shipping cost, destination eligibility and tax require checkout verification.",
        "purchaseConditions": "Current page observation only. Recheck seller, stock, price, quantity, warranty channel, shipping and tax before ordering."
      }
    }
  ],
  "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."
  },
  "supplementHistory": [
    {
      "runId": "buying-research-mainstream-five-20260912",
      "previousSubjectSha256": "8c178bee47c5a943780ae0b90fced1a048a380e53f60e2f85822c0ce3454fbd1",
      "subjectSha256": "1cd2b6394ea8ad75577df4e0620da4c949fbd84ae6068a05b2da29ed6cfeaaae",
      "sourceCountBefore": 13,
      "sourceCountAfter": 17
    }
  ]
}