{
  "name": "Pergola Wiki source governance and retrieval snapshot",
  "version": "3.5",
  "evidenceContentVersion": "1.7.15",
  "snapshotDate": "2026-08-26",
  "recordCount": 97,
  "landingPage": "https://pergola.wiki/source-governance/",
  "sourceRegister": "https://pergola.wiki/data/pergola-wiki-sources-v1.7.15.json",
  "methodologyReferences": [
    {
      "name": "W3C Data on the Web Best Practices",
      "url": "https://www.w3.org/TR/dwbp/",
      "use": "Provenance, quality, versioning, stable identifiers, preservation and explicit explanations for unavailable data."
    },
    {
      "name": "ISO/IEC Directives — ISO Supplement, systematic review",
      "url": "https://www.iso.org/sites/directives/current/consolidated/index.html",
      "use": "Standards may be confirmed, revised, amended or withdrawn; a cited publication year alone does not prove current status."
    }
  ],
  "summary": {
    "totalSources": 97,
    "automatedReachable": 76,
    "automatedAccessRestricted": 19,
    "manualFollowupRequired": 10,
    "earliestNextEditorialReviewDue": "2026-10-23",
    "evidenceRoleCounts": {
      "historical_or_terminology_context": 8,
      "operational_safety_context": 15,
      "peer_reviewed_research_context": 3,
      "research_data_methodology": 2,
      "technical_or_regulatory_context": 69
    },
    "geographicScopeCounts": {
      "australia": 12,
      "canada": 4,
      "czechia": 1,
      "england": 3,
      "european_framework": 9,
      "france": 11,
      "great_britain": 1,
      "international_or_global": 8,
      "italy": 2,
      "japan": 1,
      "new_zealand": 4,
      "northern_ireland": 1,
      "norway": 2,
      "poland": 1,
      "scotland": 1,
      "slovakia": 1,
      "spain": 1,
      "united_states": 33,
      "wales": 1
    },
    "lifecycleClassCounts": {
      "edition_or_archival_record": 29,
      "live_data_service": 2,
      "living_web_guidance": 56,
      "standards_or_code_directory": 10
    }
  },
  "retrievalMethod": "Automated GET retrieval with redirects from a Node HTTP client. Per-record dates distinguish the 25 July 2026 baseline, 2 August rechecks and 3 August additions. Restricted automated transport is recorded separately from browser verification.",
  "evidenceBoundary": "An HTTP response does not establish that the intended record was reached or that content, cited edition, adoption status or technical conclusions are current or correct. The manual-follow-up field distinguishes unresolved restricted, rate-limited, non-content and off-target outcomes from records already checked separately in a browser; neither status is automatically classified as broken or project-applicable.",
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      "sourceTier": 1,
      "evidenceRole": "technical_or_regulatory_context",
      "geographicScope": "united_states",
      "lifecycleClass": "edition_or_archival_record",
      "reviewIntervalDays": 365,
      "lastAutomatedRetrievalCheck": "2026-07-25",
      "nextEditorialReviewDue": "2027-07-25",
      "automatedRetrievalStatus": "access_restricted_403",
      "observedHttpStatus": 403,
      "manualFollowupRequired": true,
      "retrievalNote": "The registered URL rejected the automated client and requires browser follow-up.",
      "currencyInference": "not_inferred_from_http_status"
    },
    {
      "sourceId": "icc-ibc",
      "organization": "International Code Council",
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      "sourceTier": 1,
      "evidenceRole": "technical_or_regulatory_context",
      "geographicScope": "united_states",
      "lifecycleClass": "edition_or_archival_record",
      "reviewIntervalDays": 365,
      "lastAutomatedRetrievalCheck": "2026-07-25",
      "nextEditorialReviewDue": "2027-07-25",
      "automatedRetrievalStatus": "access_restricted_403",
      "observedHttpStatus": 403,
      "manualFollowupRequired": true,
      "retrievalNote": "The registered URL rejected the automated client and requires browser follow-up.",
      "currencyInference": "not_inferred_from_http_status"
    },
    {
      "sourceId": "aluminum-manual",
      "organization": "The Aluminum Association",
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      "evidenceRole": "technical_or_regulatory_context",
      "geographicScope": "united_states",
      "lifecycleClass": "edition_or_archival_record",
      "reviewIntervalDays": 365,
      "lastAutomatedRetrievalCheck": "2026-07-25",
      "nextEditorialReviewDue": "2027-07-25",
      "automatedRetrievalStatus": "reachable_200",
      "observedHttpStatus": 200,
      "manualFollowupRequired": false,
      "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.",
      "currencyInference": "not_inferred_from_http_status"
    },
    {
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      "organization": "The Aluminum Association",
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      "canonicalUrl": "https://www.aluminum.org/standards",
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      "evidenceRole": "technical_or_regulatory_context",
      "geographicScope": "united_states",
      "lifecycleClass": "standards_or_code_directory",
      "reviewIntervalDays": 90,
      "lastAutomatedRetrievalCheck": "2026-07-25",
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      "automatedRetrievalStatus": "reachable_200",
      "observedHttpStatus": 200,
      "manualFollowupRequired": false,
      "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.",
      "currencyInference": "not_inferred_from_http_status"
    },
    {
      "sourceId": "usda-wood",
      "organization": "USDA Forest Products Laboratory",
      "title": "Wood Handbook — Wood as an Engineering Material",
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      "sourceTier": 3,
      "evidenceRole": "technical_or_regulatory_context",
      "geographicScope": "united_states",
      "lifecycleClass": "edition_or_archival_record",
      "reviewIntervalDays": 365,
      "lastAutomatedRetrievalCheck": "2026-07-25",
      "nextEditorialReviewDue": "2027-07-25",
      "automatedRetrievalStatus": "reachable_200",
      "observedHttpStatus": 200,
      "manualFollowupRequired": false,
      "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.",
      "currencyInference": "not_inferred_from_http_status"
    },
    {
      "sourceId": "awc-nds",
      "organization": "American Wood Council",
      "title": "2024 National Design Specification for Wood Construction",
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      "sourceTier": 2,
      "evidenceRole": "technical_or_regulatory_context",
      "geographicScope": "united_states",
      "lifecycleClass": "edition_or_archival_record",
      "reviewIntervalDays": 365,
      "lastAutomatedRetrievalCheck": "2026-07-25",
      "nextEditorialReviewDue": "2027-07-25",
      "automatedRetrievalStatus": "reachable_200",
      "observedHttpStatus": 200,
      "manualFollowupRequired": false,
      "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.",
      "currencyInference": "not_inferred_from_http_status"
    },
    {
      "sourceId": "eurocode-1",
      "organization": "European Commission Joint Research Centre",
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      "evidenceRole": "technical_or_regulatory_context",
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      "reviewIntervalDays": 90,
      "lastAutomatedRetrievalCheck": "2026-07-25",
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      "automatedRetrievalStatus": "reachable_200",
      "observedHttpStatus": 200,
      "manualFollowupRequired": false,
      "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.",
      "currencyInference": "not_inferred_from_http_status"
    },
    {
      "sourceId": "iso-12944",
      "organization": "International Organization for Standardization",
      "title": "ISO 12944-2:2017 — Classification of environments",
      "canonicalUrl": "https://www.iso.org/standard/64834.html",
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      "sourceTier": 2,
      "evidenceRole": "technical_or_regulatory_context",
      "geographicScope": "international_or_global",
      "lifecycleClass": "edition_or_archival_record",
      "reviewIntervalDays": 365,
      "lastAutomatedRetrievalCheck": "2026-07-25",
      "nextEditorialReviewDue": "2027-07-25",
      "automatedRetrievalStatus": "reachable_200",
      "observedHttpStatus": 200,
      "manualFollowupRequired": false,
      "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.",
      "currencyInference": "not_inferred_from_http_status"
    },
    {
      "sourceId": "doe-shading",
      "organization": "U.S. Department of Energy",
      "title": "Energy-efficient windows, doors and skylights",
      "canonicalUrl": "https://www.energy.gov/cmei/femp/purchasing-energy-efficient-residential-windows-doors-and-skylights",
      "citedEditionOrStatus": "Current guidance",
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      "evidenceRole": "technical_or_regulatory_context",
      "geographicScope": "united_states",
      "lifecycleClass": "living_web_guidance",
      "reviewIntervalDays": 180,
      "lastAutomatedRetrievalCheck": "2026-07-25",
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      "automatedRetrievalStatus": "reachable_200",
      "observedHttpStatus": 200,
      "manualFollowupRequired": false,
      "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.",
      "currencyInference": "not_inferred_from_http_status"
    },
    {
      "sourceId": "doe-daylight",
      "organization": "U.S. Department of Energy",
      "title": "Building envelope and architectural considerations",
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      "evidenceRole": "technical_or_regulatory_context",
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      "lifecycleClass": "living_web_guidance",
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      "observedHttpStatus": 200,
      "manualFollowupRequired": false,
      "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.",
      "currencyInference": "not_inferred_from_http_status"
    },
    {
      "sourceId": "ncc-volume-two",
      "organization": "Australian Building Codes Board",
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      "evidenceRole": "technical_or_regulatory_context",
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      "reviewIntervalDays": 365,
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      "automatedRetrievalStatus": "reachable_200",
      "observedHttpStatus": 200,
      "manualFollowupRequired": false,
      "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.",
      "currencyInference": "not_inferred_from_http_status"
    },
    {
      "sourceId": "ncc-pergola",
      "organization": "Australian Building Codes Board",
      "title": "NCC explanatory context for an unroofed pergola",
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      "automatedRetrievalStatus": "reachable_200",
      "observedHttpStatus": 200,
      "manualFollowupRequired": false,
      "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.",
      "currencyInference": "not_inferred_from_http_status"
    },
    {
      "sourceId": "uk-planning",
      "organization": "UK Planning Portal",
      "title": "Do I need planning permission for a pergola?",
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      "currencyInference": "not_inferred_from_http_status"
    },
    {
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    },
    {
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    },
    {
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      "manualFollowupRequired": true,
      "retrievalNote": "The registered URL rejected the automated client and requires browser follow-up.",
      "currencyInference": "not_inferred_from_http_status"
    },
    {
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      "currencyInference": "not_inferred_from_http_status"
    },
    {
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    {
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    },
    {
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      "evidenceRole": "technical_or_regulatory_context",
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      "automatedRetrievalStatus": "reachable_200",
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      "currencyInference": "not_inferred_from_http_status"
    },
    {
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    },
    {
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    },
    {
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      "automatedRetrievalStatus": "reachable_200",
      "observedHttpStatus": 200,
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      "currencyInference": "not_inferred_from_http_status"
    },
    {
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      "manualFollowupRequired": true,
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    {
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