{
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  "generatedAt": "2026-06-23T16:57:17.111Z",
  "sourcePath": "src/main/data/docs",
  "docId": "SMPTE.ST2019-4.2016Am1.2024",
  "document": {
    "approvalDate": "2024-03-08",
    "approvalDate$meta": {
      "confidence": "high",
      "excludeChanges": true,
      "note": "Library cascade: per Zoho, approval date is 2024-03-08 (was previously stored as publicationDate).",
      "originalValue": null,
      "overridden": true,
      "source": "manual",
      "updated": "2026-06-15T23:29:36.023Z"
    },
    "copyright": {
      "year": "2024",
      "year$meta": {
        "confidence": "high",
        "excludeChanges": true,
        "note": "Library cascade: copyright year is 2024 per Zoho.",
        "originalValue": null,
        "overridden": true,
        "source": "manual",
        "updated": "2026-06-15T23:29:36.023Z"
      }
    },
    "copyright$meta": {
      "confidence": "high",
      "excludeChanges": true,
      "note": "Library cascade: copyright year is 2024 per Zoho.",
      "originalValue": null,
      "overridden": true,
      "source": "manual",
      "updated": "2026-06-15T23:29:36.023Z"
    },
    "docId": "SMPTE.ST2019-4.2016Am1.2024",
    "docId$meta": {
      "confidence": "high",
      "note": "Calculated from parsed/inferred metadata",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://pub.smpte.org/doc/st2019-4/20240308-am1-pub/",
      "updated": "2025-10-26T17:01:28.938Z"
    },
    "docLabel": "SMPTE ST 2019-4:2016 Am1:2024",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from parsed/inferred typenumber/number/date",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://pub.smpte.org/doc/st2019-4/20240308-am1-pub/",
      "updated": "2025-10-26T17:01:28.938Z"
    },
    "docNumber": "2019",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from HTML pubNumber meta tag",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://pub.smpte.org/doc/st2019-4/20240308-am1-pub/",
      "updated": "2025-10-26T17:01:28.938Z"
    },
    "docPart": "4",
    "docPart$meta": {
      "confidence": "high",
      "note": "Parsed from HTML pubPart meta tag",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://pub.smpte.org/doc/st2019-4/20240308-am1-pub/",
      "updated": "2025-10-26T17:01:28.938Z"
    },
    "docSuiteTitle": "VC-3 Video Compression",
    "docSuiteTitle$meta": {
      "confidence": "high",
      "note": "Parsed from HTML pubSuiteTitle meta tag, or derived from wrapper title for PDF releases",
      "originalValue": null,
      "source": "parsed",
      "updated": "2025-12-12T21:28:57.611Z",
      "version": "extractDocs.js@commit:e5213a0e988e"
    },
    "docTitle": "Mapping VC-3 Coding Units into the MXF Generic Container",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from HTML pubTitle, or derived from wrapper title for PDF releases",
      "originalValue": "VC-3 Video Compression — Mapping VC-3 Coding Units into the MXF Generic Container",
      "overridden": true,
      "source": "parsed",
      "updated": "2025-12-12T21:28:57.611Z",
      "version": "extractDocs.js@commit:e5213a0e988e"
    },
    "docType": "Standard",
    "docType$meta": {
      "confidence": "high",
      "note": "Publication type parsed from HTML",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://pub.smpte.org/doc/st2019-4/20240308-am1-pub/",
      "updated": "2025-10-26T17:01:28.938Z"
    },
    "doi": "10.5594/SMPTE.ST2019-4.2016Amd1.2024",
    "doi$meta": {
      "confidence": "high",
      "excludeChanges": true,
      "note": "Amendment notation drift: registry uses \"Am1\" in the docId while the actually-registered DOI per Zoho uses \"Amd1\" (10.5594/SMPTE.ST2019-4.2016Amd1.2024). Both notations are valid for \"Amendment 1\" — UPSTREAM ACTION NEEDED: SMPTE should register both DOI forms so they're interchangeable. Field locked via excludeChanges so future cross-fills can't toggle this back.",
      "originalValue": "10.5594/SMPTE.ST2019-4.2016Am1.2024",
      "overridden": true,
      "source": "manual",
      "updated": "2026-06-15T23:29:36.023Z"
    },
    "href": "https://doi.org/10.5594/SMPTE.ST2019-4.2016Amd1.2024",
    "href$meta": {
      "confidence": "high",
      "excludeChanges": true,
      "note": "Amendment notation drift: registry uses \"Am1\" in the docId while the actually-registered DOI per Zoho uses \"Amd1\" (10.5594/SMPTE.ST2019-4.2016Amd1.2024). Both notations are valid for \"Amendment 1\" — UPSTREAM ACTION NEEDED: SMPTE should register both DOI forms so they're interchangeable. Field locked via excludeChanges so future cross-fills can't toggle this back.",
      "originalValue": "https://doi.org/10.5594/SMPTE.ST2019-4.2016Am1.2024",
      "overridden": true,
      "source": "manual",
      "updated": "2026-06-15T23:29:36.023Z"
    },
    "icsCodes": [
      {
        "code": "33.160.01",
        "description": "Audio, video and audiovisual systems in general"
      }
    ],
    "icsCodes$meta": {
      "confidence": "high",
      "note": "Cross-filled from Zoho standards export (_source/SMPTE/Zoho/SMPTE Standards Document Zoho Export 2026-05-21.json)",
      "source": "parsed",
      "updated": "2026-06-16T00:07:53.961Z",
      "version": "smpte-zoho-standards@v1"
    },
    "isbn": "978-1-68303-329-5",
    "isbn$meta": {
      "confidence": "high",
      "note": "Cross-filled from Zoho standards export (_source/SMPTE/Zoho/SMPTE Standards Document Zoho Export 2026-05-21.json)",
      "source": "parsed",
      "updated": "2026-06-16T00:05:43.143Z",
      "version": "smpte-zoho-standards@v1"
    },
    "keywords": [
      "MXF",
      "Compression",
      "File Formats",
      "VC-3",
      "Television",
      "Wrappers"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Scrubbed against src/main/config/site.json controlledKeywords (auto-fix renames + drop noise)",
      "originalValue": [
        "MXF",
        "Compression",
        "File Format",
        "VC-3",
        "Television",
        "Wrappers",
        "File Formats"
      ],
      "source": "parsed",
      "updated": "2026-06-17T17:18:30.093Z",
      "version": "kw-scrub@v1"
    },
    "numberOfPages": "4",
    "numberOfPages$meta": {
      "confidence": "high",
      "note": "Cross-filled from Zoho standards export (_source/SMPTE/Zoho/SMPTE Standards Document Zoho Export 2026-05-21.json)",
      "source": "parsed",
      "updated": "2026-06-16T00:08:15.443Z",
      "version": "smpte-zoho-standards@v1"
    },
    "productNumber": "SSD002208",
    "productNumber$meta": {
      "confidence": "high",
      "note": "Cross-filled from Zoho standards export (_source/SMPTE/Zoho/SMPTE Standards Document Zoho Export 2026-05-21.json)",
      "source": "parsed",
      "updated": "2026-06-16T00:08:38.925Z",
      "version": "smpte-zoho-standards@v1"
    },
    "publicationDate": "2024-05-02",
    "publicationDate$meta": {
      "confidence": "high",
      "excludeChanges": true,
      "note": "Library cascade: per Zoho's record at the canonical DOI, Publication_Date is 2024-05-02. The prior 2024-03-08 stored here is the approval date — moved to approvalDate.",
      "originalValue": "2024-03-08",
      "overridden": true,
      "source": "manual",
      "updated": "2026-06-15T23:29:36.023Z"
    },
    "publisher": "SMPTE",
    "publisher$meta": {
      "confidence": "high",
      "note": "Parsed from HTML publisher meta tag",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://pub.smpte.org/doc/st2019-4/20240308-am1-pub/",
      "updated": "2025-10-26T17:01:28.938Z"
    },
    "releaseTag": "20240308-am1-pub",
    "releaseTag$meta": {
      "confidence": "high",
      "note": "Release tag parsed from URL folder structure",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://pub.smpte.org/doc/st2019-4/20240308-am1-pub/",
      "updated": "2025-10-26T17:01:28.938Z"
    },
    "resolvedHref": "https://pub.smpte.org/doc/st2019-4/20240308-am1-pub/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Backfilled from url.validate report #resolvedHref",
      "originalValue": null,
      "source": "resolved",
      "updated": "2026-06-19T20:59:07.441Z"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Calculated from the releaseTag(s) and other status values",
        "originalValue": null,
        "source": "resolved",
        "updated": "2025-10-26T17:01:28.938Z"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Calculated from the releaseTag(s)",
        "originalValue": null,
        "source": "resolved",
        "updated": "2025-10-26T17:01:28.938Z"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Calculated from the releaseTag(s)",
        "originalValue": null,
        "source": "resolved",
        "updated": "2025-10-26T17:01:28.938Z"
      }
    }
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}