{
  "schemaVersion": 1,
  "productId": "seagate-ironwolf-st6000vn006-6tb",
  "exactMpn": "ST6000VN006",
  "runId": "buying-research-mainstream-five-20260912",
  "recordedAt": "2026-09-12T01:27:47.784777+00:00",
  "subject": {
    "sha256": "db69d32d27a3c0a2510cca25c670d41352237a41ab6fe957cff01cc39225fd4b",
    "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": "b02-grok",
      "label": "Grok 4.6",
      "provider": "xai",
      "model": "grok-4.6",
      "effort": "xhigh",
      "identityBasis": "Verified execution receipt",
      "sessionId": "01a08f16-1ec5-75cf-b123-f8bc0effadfb"
    },
    {
      "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": "9d05884acfd49d515e2c8f9e44b95597c04f7446be5e1e4b0bbc252e14e44359",
      "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": "9d05884acfd49d515e2c8f9e44b95597c04f7446be5e1e4b0bbc252e14e44359",
      "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-st6000vn006-6tb.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": "9d05884acfd49d515e2c8f9e44b95597c04f7446be5e1e4b0bbc252e14e44359",
      "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": "b02-grok",
      "role": "research-and-self-check",
      "status": "completed",
      "subjectSha256": "c4a1fb7188c9f49e44ce5861df919151c258c55d90668a794d9f686321308654",
      "researchedAt": "2026-09-11"
    },
    {
      "actorId": "current-codex-root",
      "role": "editorial-correction",
      "status": "completed",
      "inputSubjectSha256": "c4a1fb7188c9f49e44ce5861df919151c258c55d90668a794d9f686321308654",
      "subjectSha256": "a960fda250d395617237121c0d73c2397b4fc2e12cceea0ada0b9dbcb8a10db7",
      "changes": [
        {
          "productId": "seagate-ironwolf-st6000vn006-6tb",
          "field": "readerGuide.introduction",
          "before": "This guide checks the exact ST6000VN006 column in Seagate DS1904.23 (5400 rpm, 202 MB/s), 1 current US new listing dated 2026-09-11 with a 10-unit minimum, and 3 older listings. No suitable exact-MPN original performance test was adopted. ChooseCompute has not tested this drive.",
          "after": "This guide checks the exact ST6000VN006 column in Seagate DS1904.23 (5400 rpm, 202 MB/s), 1 current US new listing dated 2026-09-11 with a separate 10-unit discount promotion, and 3 older listings. No suitable exact-MPN original performance test was adopted. ChooseCompute has not tested this drive.",
          "basis": "Round-2 correction and saved Hard Disk Direct offer: MOQ 10 applies to promotion, not verified base order minimum."
        },
        {
          "productId": "seagate-ironwolf-st6000vn006-6tb",
          "field": "specifications[24]",
          "before": {
            "group": "Environment",
            "label": "Operating temperature",
            "value": "0 to 65°C",
            "sourceIds": [
              "official-datasheet"
            ],
            "note": "The exact product manual was not located in the adopted current source set."
          },
          "after": {
            "group": "Environment",
            "label": "Operating temperature",
            "value": "0°C minimum ambient; 65°C maximum drive-reported",
            "sourceIds": [
              "official-datasheet"
            ],
            "note": "DS1904.23 footnote 5 advises against sustained drive temperatures above 60°C. The exact product manual was not located in the adopted source set."
          },
          "basis": "Parent reread official table headings and temperature footnotes."
        }
      ]
    },
    {
      "actorId": "current-codex-root",
      "role": "independent-review",
      "status": "completed",
      "subjectSha256": "a960fda250d395617237121c0d73c2397b4fc2e12cceea0ada0b9dbcb8a10db7",
      "reviewedAt": "2026-09-11T07:31:28.821010+00:00",
      "scope": "Exact model, official specification definitions and key footnotes, adopted original results/limitations, dated merchant qualification, reader projection, and explicit residual coverage; existing indexing decision preserved.",
      "evidenceChecks": [
        "DS1904.23 exact column verified: 5400rpm,202MB/s,256MB,5.3/4.0W,25/26dBA,1–8bays; unavailable sector/humidity/altitude left unknown.",
        "Hard Disk Direct saved PDP confirms displayed $440 and separate 10%-off/MOQ10 promotion; introductory base-MOQ claim corrected. Historical marketplace dates preserved.",
        "Provided owner video label/SMART frames identify -2ZM186; undocumented speed overlay excluded. No exact method-bound laboratory evidence claimed; no new index approval."
      ]
    },
    {
      "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": "a960fda250d395617237121c0d73c2397b4fc2e12cceea0ada0b9dbcb8a10db7",
      "subjectSha256": "db69d32d27a3c0a2510cca25c670d41352237a41ab6fe957cff01cc39225fd4b",
      "reviewedAt": "2026-09-12T01:27:47.784777+00:00",
      "changes": [
        "Keep SMART identity and unresolved six-drive pool case as related evidence;qualified review count remains0.",
        "Restore complete Apr21 warranty follow-up and raw reallocated-sector count106 despite SMART PASSED.",
        "Correct acoustics explanation:bel and decibel are convertible units;manual identifies A-weighted sound power,datasheet conditions are incompletely specified.",
        "Update stale manual-not-found statement;add verified latency/startup and manufacturer operating conditions."
      ]
    },
    {
      "actorId": "current-codex-root",
      "role": "independent-review",
      "status": "completed",
      "subjectSha256": "db69d32d27a3c0a2510cca25c670d41352237a41ab6fe957cff01cc39225fd4b",
      "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": [
        "Manual100807039U cover and sections including pp7–8,13–15,17–23 read;printed pp7/8 tables visually inspected.512e,humidity,altitude,5.3/4W at25C,shock80read70write/300G,start17typ30max,latency6ms.",
        "Both original TrueNAS topics read completely:4988 all4posts and two original images;33958 all11posts throughApr21including SMARTraw106,2298h,and warranty claim.",
        "Full Nero2ZM186 original read;undisclosed-n aggregate and wholePCscore not adopted as performance.",
        "Official download receipt shows PDF200;captured filehash matches audit."
      ]
    }
  ],
  "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-datasheet",
      "title": "Seagate IronWolf data sheet DS1904.23",
      "url": "https://www.seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/ironwolf-12tb/ironwolf-16tb-DS1904-23-2509US-en_US.pdf",
      "kind": "official",
      "checkedAt": "2026-09-11",
      "locator": "DS1904.23-2509US page 3 ST6000VN006 column; footnotes 1–5; ST8000VN004 is a different page-2 column",
      "readAction": "opened",
      "readScope": "pdftotext ST6000VN006 column",
      "readingActorId": "mainstream-five-seagate-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "fdf3f8a4f4eba12fff69e99f0528f4a60a593660749c4990729df0153a6a7832",
          "mimeType": "application/pdf",
          "sourceUrl": "https://www.seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/ironwolf-12tb/ironwolf-16tb-DS1904-23-2509US-en_US.pdf"
        }
      ],
      "readingHistory": [
        {
          "readAction": "opened",
          "readScope": "pdftotext pages 2–4 ST6000VN006 column",
          "readingActorId": "b02-grok",
          "materials": [
            {
              "sha256": "fdf3f8a4f4eba12fff69e99f0528f4a60a593660749c4990729df0153a6a7832",
              "mimeType": "application/pdf",
              "sourceUrl": "https://www.seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/ironwolf-12tb/ironwolf-16tb-DS1904-23-2509US-en_US.pdf",
              "description": "DS1904.23-2509US"
            }
          ],
          "checkedAt": "2026-09-11"
        }
      ]
    },
    {
      "id": "merchant-amazon-1",
      "title": "Amazon: ST6000VN006 historical US listing",
      "url": "https://www.amazon.com/dp/B0BNGN1DL3",
      "kind": "merchant",
      "checkedAt": "2026-08-30",
      "locator": "Catalog record dated 2026-08-30: exact MPN, new condition, seller status marketplace-unverified, availability in-stock. Historical catalog reference price $388.00. Any usable 2026-09-10 main offer is recorded separately rather than overwriting this historical observation.",
      "readAction": "blocked",
      "readScope": "bot wall",
      "readingActorId": "b02-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "845e1fe7b27385f60ed211740c0098c39b2544751dcf6703e16bd9a19605f379",
          "mimeType": "text/html",
          "sourceUrl": "https://www.amazon.com/dp/B0BNGN1DL3",
          "description": "Amazon bot wall"
        }
      ]
    },
    {
      "id": "merchant-memoryc-2",
      "title": "MemoryC: ST6000VN006 historical US listing",
      "url": "https://www.memoryc.com/59223-seagate-ironwolf-st6000vn006-internal-hard-drive-3-5-6-tb-serial-ata-iii.html?fc=US",
      "kind": "merchant",
      "checkedAt": "2026-08-31",
      "locator": "Catalog record dated 2026-08-31: exact MPN, new condition, seller status retailer, availability listed. No historical price adopted for this URL. Any usable 2026-09-10 main offer is recorded separately rather than overwriting this historical observation.",
      "readAction": "blocked",
      "readScope": "HTTP 403",
      "readingActorId": "b02-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "d3372f5fd27e57a31e6ffeca2270400fc9c62ee44361b8139fffa41126f8b163",
          "mimeType": "text/html",
          "sourceUrl": "https://www.memoryc.com/59223-seagate-ironwolf-st6000vn006-internal-hard-drive-3-5-6-tb-serial-ata-iii.html",
          "description": "MemoryC 403"
        }
      ]
    },
    {
      "id": "merchant-newegg-3",
      "title": "Newegg: ST6000VN006 historical US listing",
      "url": "https://www.newegg.com/p/1Z4-002P-02HT3",
      "kind": "merchant",
      "checkedAt": "2026-08-31",
      "locator": "Catalog record dated 2026-08-31: exact MPN, new condition, seller status marketplace-unverified, availability listed. No historical price adopted for this URL. Any usable 2026-09-10 main offer is recorded separately rather than overwriting this historical observation.",
      "readAction": "blocked",
      "readScope": "areyouahuman page",
      "readingActorId": "b02-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "b46505a2384d16c2f9938ee4f28be46ed8dc1d7cfdb90d92223d27b8aeb2ceba",
          "mimeType": "text/html",
          "sourceUrl": "https://www.newegg.com/p/1Z4-002P-02HT3",
          "description": "Newegg human check"
        }
      ]
    },
    {
      "id": "merchant-harddiskdirect-20260911",
      "title": "Hard Disk Direct: ST6000VN006",
      "url": "https://harddiskdirect.com/st6000vn006-1704805.html",
      "kind": "merchant",
      "checkedAt": "2026-09-11",
      "locator": "Title/MPN ST6000VN006 5400RPM; $440.00; Condition New; In Stock; Add to Cart; MOQ 10 Units",
      "readAction": "opened",
      "readScope": "PDP HTML + JSON-LD",
      "readingActorId": "b02-grok",
      "checkedOn": "2026-09-11",
      "materials": [
        {
          "sha256": "8cec402d86dd85dc64026be870efa2acfe42f9380b1e2d0fa465fe2402022a8c",
          "mimeType": "text/html",
          "sourceUrl": "https://harddiskdirect.com/st6000vn006-1704805.html",
          "description": "Hard Disk Direct ST6000VN006 PDP"
        }
      ]
    },
    {
      "id": "video-h8oqv",
      "title": "A Hard Drive a Week #107: ST6000VN006-2ZM186",
      "url": "https://www.youtube.com/watch?v=H8OqvLiqJIs",
      "kind": "review",
      "checkedAt": "2026-09-11",
      "locator": "Title/label ST6000VN006-2ZM186; CrystalDiskInfo frame 2:05 SC60 111 h 36°C USB Serial ATA; description 180/222 overlay",
      "readAction": "opened",
      "readScope": "Description DOM + 0:15/0:54/2:05 frames. No ASR. No original audio.",
      "readingActorId": "b02-grok",
      "observedAt": "2026-09-11T06:51:22.435854+00:00",
      "materials": [
        {
          "sha256": "333eff1f01d12a10f642a6893b70cd36cdf23c2f2bd21dcc7e898b3b4afebc8a",
          "mimeType": "text/plain",
          "sourceUrl": "https://www.youtube.com/watch?v=H8OqvLiqJIs",
          "description": "Expanded description DOM"
        },
        {
          "sha256": "0f85b97d46d98d15df8344e23b3bace60755aa86983297df749d375fec072dcc",
          "mimeType": "image/png",
          "sourceUrl": "https://www.youtube.com/watch?v=H8OqvLiqJIs",
          "description": "Label frame ~0:15"
        },
        {
          "sha256": "d73ff65bef92db326352262a613dd4deb2e0d1884f1e5f210ce499d124978ee9",
          "mimeType": "image/png",
          "sourceUrl": "https://www.youtube.com/watch?v=H8OqvLiqJIs",
          "description": "CrystalDiskInfo SMART frame ~2:05"
        }
      ]
    },
    {
      "id": "official-manual-100807039u",
      "title": "Seagate IronWolf SATA Product Manual 100807039 Rev. U",
      "url": "https://www.seagate.com/content/dam/seagate/migrated-assets/www-content/product-content/ironwolf/en-us/docs/100807039u.pdf",
      "kind": "official",
      "checkedAt": "2026-09-12",
      "locator": "Cover models include ST6000VN006; Table 1 8TB/6TB columns; Table 6 8TB & 6TB DC power; §2.6.2–2.6.4 humidity/altitude/shock; regulatory SKR007; Figure 7 mounting with ST8000VN002",
      "readAction": "opened",
      "readScope": "pdftotext -layout cover, Table 1, Table 6, shock/humidity/altitude, SKR007",
      "readingActorId": "mainstream-five-seagate-grok",
      "materials": [
        {
          "sha256": "168a71ff6d03e6e47f7134535193930de21a88074e480a121c44d12759d9aea6",
          "mimeType": "application/pdf",
          "sourceUrl": "https://www.seagate.com/content/dam/seagate/migrated-assets/www-content/product-content/ironwolf/en-us/docs/100807039u.pdf"
        }
      ]
    },
    {
      "id": "owner-truenas-4988",
      "title": "TrueNAS: Super slow speed (ST6000VN006-2ZM186 pool)",
      "url": "https://forums.truenas.com/t/super-slow-speed/4988",
      "kind": "review",
      "checkedAt": "2026-09-12",
      "locator": "Posts 2024-05-23/24 by nikkon; model ST6000VN006-2ZM186; dd 1 GiB bs=512k oflag=direct 44.9 MB/s",
      "readAction": "opened",
      "readScope": "topic JSON posts 0-3",
      "readingActorId": "mainstream-five-seagate-grok",
      "materials": [
        {
          "sha256": "bd4ecd2e7f9cff2628eba67fe5549934df2103f0f9c7635539561f4de1e1cfea",
          "mimeType": "application/json",
          "sourceUrl": "https://forums.truenas.com/t/super-slow-speed/4988.json"
        }
      ]
    },
    {
      "id": "owner-truenas-33958",
      "title": "TrueNAS: CAM timeouts on ST6000VN006-2ZM186 SC60",
      "url": "https://forums.truenas.com/t/should-i-be-worried-about-cam-status-command-timeouts/33958",
      "kind": "review",
      "checkedAt": "2026-09-12",
      "locator": "Complete 11-post thread through 2025-04-21; April 16 smartctl 7.2 identity and raw reallocated-sector count 106; April 21 warranty claim and planned replacement. Serial number is not reproduced.",
      "readAction": "opened",
      "readScope": "topic JSON posts including smartctl dump",
      "readingActorId": "mainstream-five-seagate-grok",
      "materials": [
        {
          "sha256": "47c0b77908438fb2a75b127131a1c848c57ea5b6815d0199902dbab2ae2a3372",
          "mimeType": "application/json",
          "sourceUrl": "https://forums.truenas.com/t/should-i-be-worried-about-cam-status-command-timeouts/33958.json"
        }
      ],
      "parentReadScope": "All 11 captured posts, including April 16 SMART raw106 and April 21 warranty claim."
    },
    {
      "id": "related-nero-2zm186",
      "title": "Nero Score page for ST6000VN006-2ZM186",
      "url": "https://score.nero.com/ssd-hdd-benchmark/st6000vn006-2zm186",
      "kind": "review",
      "checkedAt": "2026-09-12",
      "locator": "Model ST6000VN006-2ZM186; user-submitted chart copy; sequential 199/196 MB/s and 4K 2/2 MB/s with no n, file size, or host path",
      "readAction": "opened",
      "readScope": "full HTML text",
      "readingActorId": "mainstream-five-seagate-grok",
      "materials": [
        {
          "sha256": "642016fbb22b168fe4e76ec49324b14d43d2d728148a09870974514639d2b9f5",
          "mimeType": "text/html",
          "sourceUrl": "https://score.nero.com/ssd-hdd-benchmark/st6000vn006-2zm186"
        }
      ]
    }
  ],
  "coverage": {
    "productId": "seagate-ironwolf-st6000vn006-6tb",
    "before": {
      "specifications": 33,
      "reviews": 0,
      "measurements": 0,
      "sources": 6,
      "relatedSourceRecords": 1,
      "offers": 4,
      "gaps": [
        {
          "topic": "Long-term reliability",
          "detail": "No controlled exact-MPN field failure-rate study is adopted.",
          "affectsVerdict": false
        },
        {
          "topic": "Host compatibility",
          "detail": "IHM depends on the NAS vendor. Sector format, humidity and altitude remain unpublished on the adopted datasheet.",
          "affectsVerdict": false
        },
        {
          "topic": "Current US offer coverage",
          "detail": "Hard Disk Direct $440 new with Add to Cart on 2026-09-11; 10% off MOQ 10 is a promo, not a verified base minimum. Amazon B0BNGN1DL3 bot wall; MemoryC 403; Newegg captcha.",
          "affectsVerdict": false
        },
        {
          "topic": "Original exact-MPN testing and indexing",
          "detail": "No method-bound original performance test adopted. YouTube H8OqvLiqJIs confirms ST6000VN006-2ZM186 identity/SMART but 222 MB/s has no method and 180 MB/s is the wrong datasheet figure.",
          "affectsVerdict": true
        },
        {
          "topic": "Unpublished exact-model specifications",
          "detail": "Sector format, relative humidity and altitude remain Unknown rather than being copied from ST6000VN001.",
          "affectsVerdict": false
        }
      ]
    },
    "after": {
      "specifications": 35,
      "reviews": 0,
      "measurements": 0,
      "sources": 10,
      "relatedSourceRecords": 4,
      "offers": 4,
      "gaps": [
        {
          "topic": "Long-term reliability",
          "detail": "No controlled exact-MPN field failure-rate study is adopted. The complete CAM-timeout thread includes 106 reallocated sectors and an April 21 warranty claim; causation and replacement outcome were not established.",
          "affectsVerdict": false
        },
        {
          "topic": "Host compatibility",
          "detail": "IHM still depends on the NAS vendor. Synology compatibility HTML opened this round was a JS shell without a visible ST6000VN006-2ZM186/SC60 row, so HCL is not claimed from that page.",
          "affectsVerdict": false
        },
        {
          "topic": "Current US offer coverage",
          "detail": "Hard Disk Direct $440 new with Add to Cart on 2026-09-11; 10% off MOQ 10 is a promo, not a verified base minimum. Amazon B0BNGN1DL3 bot wall; MemoryC 403; Newegg captcha. Not re-priced this round.",
          "affectsVerdict": false
        },
        {
          "topic": "Original exact-MPN laboratory testing",
          "detail": "No method-bound professional sequential/random lab of ST6000VN006 was found. Owner dd/smartctl and a label/SMART video are qualified identity/system evidence, not an outer-diameter lab. YouTube H8OqvLiqJIs still has no captions; no CDM frame was obtained this round.",
          "affectsVerdict": true
        },
        {
          "topic": "Acoustic measurement conditions",
          "detail": "The manual explicitly reports A-weighted sound power: 2.5/2.6 bels typical idle/seek, numerically 25/26 decibels on the same scale. The datasheet prints 25/26 dBA without fully specifying the measurement quantity and conditions; neither document predicts room sound pressure.",
          "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": [],
  "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": "a960fda250d395617237121c0d73c2397b4fc2e12cceea0ada0b9dbcb8a10db7",
      "subjectSha256": "db69d32d27a3c0a2510cca25c670d41352237a41ab6fe957cff01cc39225fd4b",
      "sourceCountBefore": 6,
      "sourceCountAfter": 10
    }
  ]
}