{
  "@context": "https://schema.org",
  "@type": "Dataset",
  "name": "Koh Larn Thailand evidence ledger",
  "description": "Source scopes, check dates, review boundaries and non-exhaustive page-use examples for released Koh Larn guidance. A source supports only the stated scope; changing operations still require travel-date verification.",
  "url": "https://koh-larn-thailand.com/sources.json",
  "publisher": {
    "@id": "https://timpaemi.com/#timpaemi"
  },
  "dateModified": "2026-09-13",
  "latestRecordedSourceCheck": "2026-09-13",
  "license": "https://koh-larn-thailand.com/terms/",
  "provenanceMethod": {
    "accessGranularity": "Research-session date; exact minute not retained",
    "usageExamples": "Non-exhaustive maintained-page examples",
    "reliabilityLegend": {
      "A": "Primary or controlling source for the stated scope",
      "A/B": "Authoritative or official context with an explicit non-live or eligibility boundary",
      "B": "Official corroboration or context, not the live operator or controlling record"
    }
  },
  "evidence": [
    {
      "sourceKey": "ferryOperator",
      "label": "Pattaya–Koh Larn ferry operator",
      "url": "https://www.facebook.com/Ferrypattayatokohlarn/posts/pfbid02rSNQGWKYMkXeipsq58wMTBRdL7StEEfK8Uw3c82xxBDV7F4KdfUpcaxEosMKR6ijl",
      "provenance": {
        "sourceType": "Operator-owned public timetable and fare post",
        "publisher": "Pattaya–Koh Larn ferry operator",
        "reliability": "A"
      },
      "scope": "Fare, Pier A, ticket conditions and the four route timetables",
      "checked": "2026-08-23",
      "reviewDue": "2026-09-23",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/",
        "/getting-there/",
        "/practical/",
        "/itineraries/",
        "/budget/",
        "/llms.txt",
        "/beach/samae/",
        "/beach/tien/",
        "/beach/tawaen/",
        "/beach/nual/",
        "/beach/ta-yai/",
        "/beach/sangwan/",
        "/beach/thong-lang/"
      ]
    },
    {
      "sourceKey": "chonburiFareHistory",
      "label": "Chonburi Provincial Public Relations Office",
      "url": "https://radiochonburi.prd.go.th/th/content/category/detail/id/57/iid/489855",
      "provenance": {
        "sourceType": "Provincial public-relations report",
        "publisher": "Chonburi Provincial Public Relations Office",
        "reliability": "A"
      },
      "scope": "March 2026 fare-increase postponement and life-jacket instruction",
      "checked": "2026-08-23",
      "reviewDue": "2027-08-23",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/getting-there/"
      ]
    },
    {
      "sourceKey": "chonburiFerryLifeJacket2026",
      "label": "Chonburi PRD — Bali Hai passenger safety, 1 May 2026",
      "url": "https://radiochonburi.prd.go.th/th/content/category/detail/id/57/iid/499785",
      "provenance": {
        "sourceType": "Official dated passenger-safety report",
        "publisher": "Chonburi Provincial Public Relations Office",
        "reliability": "A/B"
      },
      "scope": "Dated Bali Hai–Koh Larn safety activity reporting Marine Department guidance that every passenger should wear a life jacket throughout the boat journey; not a regulatory text or proof that suitable jackets are always supplied",
      "checked": "2026-08-29",
      "reviewDue": "2027-05-01",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/getting-there/",
        "/faq/"
      ]
    },
    {
      "sourceKey": "pattayaCity2024",
      "label": "Pattaya City briefing, 2024 edition",
      "url": "https://www.pattaya.go.th/wp-content/uploads/2021/04/%E0%B8%9A%E0%B8%A3%E0%B8%A3%E0%B8%A2%E0%B8%B2%E0%B8%A2%E0%B8%AA%E0%B8%A3%E0%B8%B8%E0%B8%9B-67-%E0%B8%A5%E0%B8%87%E0%B9%80%E0%B8%A7%E0%B9%87%E0%B8%9A%E0%B8%A5%E0%B9%88%E0%B8%B2%E0%B8%AA%E0%B8%B8%E0%B8%94.pdf",
      "provenance": {
        "sourceType": "Municipal briefing PDF",
        "publisher": "Pattaya City",
        "reliability": "A/B"
      },
      "scope": "Island dimensions and geography on PDF pages 161–162; registered-population table on page 166; beach, nearby-islet and transport context in the same municipal section",
      "checked": "2026-08-23",
      "reviewDue": "2027-01-31",
      "reviewBoundary": "scheduled-date",
      "status": "intermittent-official-origin",
      "availabilityNote": "The exact official PDF returned both 200 application/pdf and 404 responses during repeated 23 August 2026 release probes. The citation, PDF page locators and response conflict are retained; do not treat origin availability as proof or disproof of the municipal record.",
      "usedOnExamples": [
        "/",
        "/beaches/",
        "/map/",
        "/nearby-islands/",
        "/getting-around/",
        "/practical/",
        "/beach/samae/",
        "/beach/tien/",
        "/beach/tawaen/",
        "/beach/nual/",
        "/beach/ta-yai/",
        "/beach/sangwan/",
        "/beach/thong-lang/"
      ]
    },
    {
      "sourceKey": "dmcrTarBalls",
      "label": "Department of Marine and Coastal Resources archived incident report",
      "url": "https://edailyreport.dmcr.go.th/milestone/detail/13255?datenow=1787158800&section=calendar",
      "provenance": {
        "sourceType": "Official environmental incident record",
        "publisher": "Thailand Department of Marine and Coastal Resources (DMCR)",
        "reliability": "A"
      },
      "scope": "Historical record of tar balls observed at Tien and Samae beaches on 9–10 August 2026; not evidence of current beach conditions",
      "checked": "2026-08-23",
      "reviewDue": "2027-08-11",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/practical/",
        "/beach/tien/",
        "/beach/samae/"
      ]
    },
    {
      "sourceKey": "tmdMarine",
      "label": "Thai Meteorological Department shipping forecast",
      "url": "https://www.tmd.go.th/en/forecast/shipping",
      "provenance": {
        "sourceType": "Official live marine forecast",
        "publisher": "Thai Meteorological Department",
        "reliability": "A"
      },
      "scope": "Current marine forecast and small-vessel warnings",
      "checked": "2026-08-23",
      "reviewDue": "travel day",
      "reviewBoundary": "travel-day",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/practical/",
        "/do/swimming/",
        "/do/snorkeling/",
        "/journal/koh-larn-rainy-season/",
        "/beach/samae/",
        "/beach/tien/",
        "/beach/tawaen/",
        "/beach/nual/",
        "/beach/ta-yai/",
        "/beach/sangwan/",
        "/beach/thong-lang/"
      ]
    },
    {
      "sourceKey": "tmdChonburi",
      "label": "Thai Meteorological Department — Chon Buri",
      "url": "https://www.tmd.go.th/en/weather/province/chonburi",
      "provenance": {
        "sourceType": "Official province forecast",
        "publisher": "Thai Meteorological Department",
        "reliability": "A"
      },
      "scope": "Current provincial weather forecast",
      "checked": "2026-08-23",
      "reviewDue": "travel day",
      "reviewBoundary": "travel-day",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/practical/",
        "/journal/koh-larn-rainy-season/"
      ]
    },
    {
      "sourceKey": "tmdThailandClimate",
      "label": "Thai Meteorological Department — Thailand seasonal framework",
      "url": "https://www.tmd.go.th/info/%E0%B8%A0%E0%B8%A1%E0%B8%AD%E0%B8%B2%E0%B8%81%E0%B8%B2%E0%B8%A8%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B9%80%E0%B8%97%E0%B8%A8%E0%B9%84%E0%B8%97%E0%B8%A2",
      "provenance": {
        "sourceType": "Official national seasonal reference",
        "publisher": "Thai Meteorological Department",
        "reliability": "A/B"
      },
      "scope": "General Thailand framework placing hot season around mid-February to mid-May, rainy season around mid-May to mid-October and cool season around mid-October to mid-February, with variable onset; not a Koh Larn station record, sea-state forecast or best-month recommendation",
      "checked": "2026-08-29",
      "reviewDue": "2027-02-01",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/journal/koh-larn-rainy-season/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "touristPolice",
      "label": "Thailand Tourist Police",
      "url": "https://www.touristpolice.go.th/en/main",
      "provenance": {
        "sourceType": "Official Tourist Police site",
        "publisher": "Thailand Tourist Police",
        "reliability": "A"
      },
      "scope": "Tourist Police 1155 and national emergency contacts",
      "checked": "2026-08-23",
      "reviewDue": "2027-08-23",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/practical/"
      ]
    },
    {
      "sourceKey": "marineDepartment",
      "label": "Thailand Government — Marine Department water-emergency contact",
      "url": "https://www.thailand.go.th/public/useful-information-detail/003_004",
      "provenance": {
        "sourceType": "Official government emergency-contact register",
        "publisher": "Thailand Government Public Relations Department",
        "reliability": "A"
      },
      "scope": "Government Information System listing of Water Safety Center / Water Emergency (Marine Department) hotline 1199; not evidence of island response time, language availability, rescue coverage or present operational capacity",
      "checked": "2026-08-29",
      "reviewDue": "2027-08-23",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/practical/"
      ]
    },
    {
      "sourceKey": "dmcrJellyfish",
      "label": "Department of Marine and Coastal Resources jellyfish guidance",
      "url": "https://newweb.dmcr.go.th/detailAll/86720/nws/",
      "provenance": {
        "sourceType": "Official first-aid guidance",
        "publisher": "Thailand Department of Marine and Coastal Resources",
        "reliability": "A"
      },
      "scope": "Current suspected dangerous-jellyfish first-aid protocol",
      "checked": "2026-08-23",
      "reviewDue": "2027-08-23",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/practical/",
        "/do/swimming/"
      ]
    },
    {
      "sourceKey": "dmcrMarineConduct",
      "label": "Department of Marine and Coastal Resources visitor rules",
      "url": "https://www.dmcr.go.th/detailAll/79430/nws/",
      "provenance": {
        "sourceType": "Official marine-conduct guidance",
        "publisher": "Thailand Department of Marine and Coastal Resources",
        "reliability": "A"
      },
      "scope": "No touching or standing on coral, feeding marine life or littering",
      "checked": "2026-08-23",
      "reviewDue": "2027-08-23",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/things-to-do/",
        "/do/swimming/",
        "/do/snorkeling/",
        "/coral-island-pattaya/",
        "/beach/thong-lang/"
      ]
    },
    {
      "sourceKey": "dmcrKohLarnActivityOversight2026",
      "label": "DMCR — Koh Larn marine-activity oversight, 5 February 2026",
      "url": "https://www.dmcr.go.th/detailAll/83027/nws/0/",
      "provenance": {
        "sourceType": "Official dated marine-activity oversight record",
        "publisher": "Thailand Department of Marine and Coastal Resources",
        "reliability": "A"
      },
      "scope": "Dated record of Sea Walker and restaurant-boat oversight: proposed operator-by-operator licensing, defined activity and mooring areas away from coral, wastewater controls, and equipment and life-saving standards; not proof that any named operator is currently licensed",
      "checked": "2026-08-29",
      "reviewDue": "2026-11-29",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/coral-island-pattaya/",
        "/koh-larn-tours/",
        "/do/snorkeling/",
        "/faq/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "dmcrKohPhaiLarnCoralSurvey2026",
      "label": "DMCR — Koh Phai and Koh Larn archipelago coral survey, 2 May 2026",
      "url": "https://www.dmcr.go.th/detailAll/84842/nws/",
      "provenance": {
        "sourceType": "Official preliminary two-archipelago coral-survey report",
        "publisher": "Thailand Department of Marine and Coastal Resources",
        "reliability": "A/B"
      },
      "scope": "Preliminary two-archipelago survey: no bleaching observed at the survey time; offshore reefs described as mostly very good and nearshore reefs as moderate to damaged, mainly associated with sediment, with relatively scarce coral recruits; not a Koh Larn-only, beach-level, visibility, access or current-condition assessment",
      "checked": "2026-08-29",
      "reviewDue": "2026-11-02",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/coral-island-pattaya/",
        "/do/snorkeling/",
        "/faq/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "dmcrKohLarnRestoration2026",
      "label": "DMCR — Haad Kere and Pattaya marine-restoration event, 29 May 2026",
      "url": "https://www.dmcr.go.th/detailAll/85353/nws/11",
      "provenance": {
        "sourceType": "Official dated two-location conservation-event record",
        "publisher": "Thailand Department of Marine and Coastal Resources",
        "reliability": "A/B"
      },
      "scope": "Dated two-location event record with combined totals of 83 kg of underwater debris, 200 hard-coral branches and 140 soft corals; the source does not split those totals between Haad Kere, Koh Larn and the Pattaya beachfront",
      "checked": "2026-08-29",
      "reviewDue": "2027-05-29",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/coral-island-pattaya/",
        "/faq/"
      ]
    },
    {
      "sourceKey": "dmcrKohLarnCleanup2026",
      "label": "DMCR — Koh Larn archipelago underwater cleanup, 20 July 2026",
      "url": "https://edailyreport.dmcr.go.th/milestone/detail/13155?datenow=1787763600&section=calendar",
      "provenance": {
        "sourceType": "Official dated Koh Larn archipelago cleanup and mooring record",
        "publisher": "Thailand Department of Marine and Coastal Resources",
        "reliability": "A"
      },
      "scope": "Dated Koh Larn archipelago record: 20 volunteer divers recovered 58 kg of underwater debris and mooring buoys were repaired to encourage mooring instead of anchoring on coral; not a current reef-health, cleanliness or access assessment",
      "checked": "2026-08-29",
      "reviewDue": "2027-07-20",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/coral-island-pattaya/",
        "/do/snorkeling/",
        "/practical/",
        "/faq/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "dmcrSangwanBleachingStation2026",
      "label": "DMCR coral station — Ao Sangwan survey, 14 May 2026",
      "url": "https://thailandcoralbleaching.dmcr.go.th/th/coral_map/detail/1319",
      "provenance": {
        "sourceType": "Official dated coral-monitoring station record",
        "publisher": "Thailand Department of Marine and Coastal Resources",
        "reliability": "A"
      },
      "scope": "Station record TB2026050000817: visual survey at Ao Sangwan on 14 May 2026 classified less than 1% bleaching / no bleaching found; reported 20 May; dated station evidence only, not current status, island-wide reef health, visibility, access or swimming safety",
      "checked": "2026-09-12",
      "reviewDue": "2027-05-14",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/beach/sangwan/",
        "/coral-island-pattaya/",
        "/do/snorkeling/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "dmcrThongLangRestoration2026",
      "label": "DMCR — Thong Lang coral-settlement survey, 4 March 2026",
      "url": "https://www.dmcr.go.th/detailAll/83567/nws/262",
      "provenance": {
        "sourceType": "Official dated coral-restoration monitoring record",
        "publisher": "Thailand Department of Marine and Coastal Resources",
        "reliability": "A"
      },
      "scope": "Dated survey of coral-larval settlement bases placed at Thong Lang in 2025, recording settlement by coral and associated organisms; the announced 12 March placement was prospective and is not treated as completed; no visitor-access, snorkeling or current reef-health inference",
      "checked": "2026-08-29",
      "reviewDue": "2027-03-04",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/beach/thong-lang/",
        "/coral-island-pattaya/",
        "/do/snorkeling/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "roadTrafficHelmets",
      "label": "Thailand Road Traffic Act — helmet requirement",
      "url": "https://ratchakitcha.soc.go.th/documents/235170.pdf",
      "provenance": {
        "sourceType": "Controlling law published in the Royal Gazette",
        "publisher": "Royal Thai Government Gazette",
        "reliability": "A"
      },
      "scope": "Motorcycle driver and passenger helmet requirement",
      "checked": "2026-08-23",
      "reviewDue": "2027-08-23",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/getting-around/"
      ]
    },
    {
      "sourceKey": "drivingLicence",
      "label": "Thailand government driving guidance",
      "url": "https://thailand.go.th/public/issue-focus-detail/001_01_226?hl=en",
      "provenance": {
        "sourceType": "Official foreign-visitor driving guidance",
        "publisher": "Royal Thai Government portal",
        "reliability": "A/B"
      },
      "scope": "Foreign visitor licence routes valid in Thailand",
      "checked": "2026-08-23",
      "reviewDue": "2027-08-23",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/getting-around/"
      ]
    },
    {
      "sourceKey": "airportPattayaBus",
      "label": "Roong Reuang Coach — Airport–Pattaya Bus",
      "url": "https://airportpattayabus.com/airport-pattaya/",
      "provenance": {
        "sourceType": "Operator-owned route page",
        "publisher": "Roong Reuang Coach",
        "reliability": "A"
      },
      "scope": "Suvarnabhumi–Pattaya posted 130 THB fare, Level 1 Gate 8 departure, North Pattaya bus-station arrival, seven airport departure times, operator estimate of about two hours and 15-minute advance-arrival request; not live seats or a protected ferry connection",
      "checked": "2026-09-13",
      "reviewDue": "2026-10-13",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/airports/",
        "/bangkok/"
      ]
    },
    {
      "sourceKey": "donMueangPattayaBus",
      "label": "Airports of Thailand — Don Mueang Transport Co. express bus",
      "url": "https://donmueang.airportthai.co.th/service/transportation/detail/1290",
      "provenance": {
        "sourceType": "Official airport transport listing",
        "publisher": "Airports of Thailand — Don Mueang International Airport",
        "reliability": "A"
      },
      "scope": "Airport listing of Transport Co. DMK–Pattaya express bus, posted 155 THB fare, terminal ticket counters and Service Hall pickup; stated 06:30–17:30 service window is not an exact departure timetable; Pattaya drop-off, journey duration and seat availability are not established",
      "checked": "2026-09-13",
      "reviewDue": "2026-10-13",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/airports/"
      ]
    },
    {
      "sourceKey": "utapaoTransport",
      "label": "U-Tapao International Airport transportation",
      "url": "https://www.utapao.com/en/transport/suvannabhumi-burapha",
      "provenance": {
        "sourceType": "Airport-owned transport page",
        "publisher": "U-Tapao International Airport",
        "reliability": "A"
      },
      "scope": "Posted 150 THB public minibus fare to Big C South Pattaya, counter outside Terminal 2 and warning that schedules can change; airport's ambiguous English PM notation is cross-checked against the operator timetable",
      "checked": "2026-09-13",
      "reviewDue": "2026-10-13",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/airports/"
      ]
    },
    {
      "sourceKey": "utapaoOperatorTimetable",
      "label": "Suvarnabhumi Burapha — U-Tapao–Pattaya route timetable",
      "url": "https://www.swbbus.com/timetable/",
      "provenance": {
        "sourceType": "Operator-owned route timetable",
        "publisher": "Suvarnabhumi Burapha Bus",
        "reliability": "A"
      },
      "scope": "Named U-Tapao–Pattaya section lists 12:30, 14:00 and 17:00 airport departures, with a schedule-change warning; an unrelated Trat/Koh Chang sentence in that section is not used as route evidence, and no return times, live seats or guaranteed departures are inferred",
      "checked": "2026-09-13",
      "reviewDue": "2026-10-13",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/airports/"
      ]
    },
    {
      "sourceKey": "pheSaoKohSamet",
      "label": "Phe Subdistrict Administrative Organization — general information",
      "url": "https://phe.go.th/content/generalinfo",
      "provenance": {
        "sourceType": "Local-government general information",
        "publisher": "Phe Subdistrict Administrative Organization",
        "reliability": "A"
      },
      "scope": "Koh Samet's administrative location in Phe, Mueang Rayong, and Khao Laem Ya–Mu Ko Samet National Park context",
      "checked": "2026-08-23",
      "reviewDue": "2027-08-23",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/journal/koh-larn-vs-koh-samet/"
      ]
    },
    {
      "sourceKey": "tatKohSamet",
      "label": "Tourism Authority of Thailand — Ko Samet destination",
      "url": "https://www.tourismthailand.org/Destinations/Provinces/Ko-Samet/468",
      "provenance": {
        "sourceType": "Official destination page",
        "publisher": "Tourism Authority of Thailand",
        "reliability": "B"
      },
      "scope": "Named beaches, broad lodging and dining infrastructure, and October–April planning guidance; not current inventory or a condition guarantee",
      "checked": "2026-08-29",
      "reviewDue": "2027-02-28",
      "reviewBoundary": "scheduled-date",
      "status": "browser-accessible-bot-restricted",
      "availabilityNote": "The official destination page remained readable through browser retrieval on 29 August 2026 but returned HTTP 403 to the automated release link probe. It remains valid destination-context evidence, not a live availability source.",
      "usedOnExamples": [
        "/journal/koh-larn-vs-koh-samet/"
      ]
    },
    {
      "sourceKey": "dnpParkFeeRegulation",
      "label": "Department of National Parks — controlling fee regulation",
      "url": "https://portal.dnp.go.th/DNP/FileSystem/download?uuid=7499cc88-52e1-43ee-aecd-1931ae5ca639.pdf",
      "provenance": {
        "sourceType": "Official controlling fee schedule",
        "publisher": "Department of National Parks, Wildlife and Plant Conservation",
        "reliability": "A"
      },
      "scope": "Controlling published schedule behind the DNP fee summary; no inference about collection points, payment methods, age cut-offs or exemptions",
      "checked": "2026-08-23",
      "reviewDue": "2026-11-23",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/journal/koh-larn-vs-koh-samet/"
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    },
    {
      "sourceKey": "tatRayongIslandAccess",
      "label": "Tourism Authority of Thailand — Rayong island access",
      "url": "https://www.tourismthailand.org/Articles/rayong-island-hopping-getaway",
      "provenance": {
        "sourceType": "Official destination-planning article",
        "publisher": "Tourism Authority of Thailand",
        "reliability": "B"
      },
      "scope": "Ban Phe departure context and Koh Samet's broad accommodation role; no current Pattaya transfer or property inventory",
      "checked": "2026-08-29",
      "reviewDue": "2027-08-29",
      "reviewBoundary": "scheduled-date",
      "status": "browser-accessible-bot-restricted",
      "availabilityNote": "The official article remained readable through browser retrieval on 29 August 2026 but returned HTTP 403 to the automated release link probe. It remains corroborating access context, not a live transport or inventory source.",
      "usedOnExamples": [
        "/journal/koh-larn-vs-koh-samet/"
      ]
    },
    {
      "sourceKey": "whiteSharkSamet",
      "label": "White Shark Speed Boat — operator timetable",
      "url": "https://www.whitesharkspeedboat.com/",
      "provenance": {
        "sourceType": "Named operator live service page",
        "publisher": "White Shark Speed Boat",
        "reliability": "A"
      },
      "scope": "This operator's Phe–Koh Samet departure and return rounds and approximate crossing; not a universal island timetable or fare",
      "checked": "2026-08-23",
      "reviewDue": "2026-09-23",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/journal/koh-larn-vs-koh-samet/"
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    },
    {
      "sourceKey": "tatParkClosures2026",
      "label": "TAT Newsroom — 2026 national-park opening and closure guidance",
      "url": "https://www.tatnews.org/2026/01/annual-seasonal-opening-closure-of-attractions-of-thailands-national-park-system/",
      "provenance": {
        "sourceType": "Official seasonal-closure explainer",
        "publisher": "Tourism Authority of Thailand Newsroom",
        "reliability": "B"
      },
      "scope": "Why attraction-level seasonal closures vary with weather and park conditions, with the National Park Office inventory as the controlling list",
      "checked": "2026-08-23",
      "reviewDue": "2027-01-15",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/journal/koh-larn-vs-koh-samet/"
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    },
    {
      "sourceKey": "npoClosureInventory2026",
      "label": "National Park Office — 2026 attraction closure inventory",
      "url": "https://docs.google.com/spreadsheets/d/e/2PACX-1vTYUtL8LOsGzzW7XzLWyODdpfbgc1lv113UCM_ArqEj89YtCn1xyD6P6fQcqLlR1DzeZMDsVdmvaOh4/pubhtml",
      "provenance": {
        "sourceType": "Official published closure inventory",
        "publisher": "National Park Office",
        "reliability": "A"
      },
      "scope": "Ko Kudi and Ko Thalu seasonal closure dates within the park; Koh Samet itself is not listed under those two 2026 periods, but emergency restrictions remain possible",
      "checked": "2026-08-23",
      "reviewDue": "travel day",
      "reviewBoundary": "travel-day",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/journal/koh-larn-vs-koh-samet/"
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    },
    {
      "sourceKey": "pattayaKohLarnJourneys2025",
      "label": "Pattaya Data Platform — Koh Larn recorded tourist journeys, 2022–2025",
      "url": "https://data.pattaya.go.th/dataset/172",
      "provenance": {
        "sourceType": "Municipal open-data dataset and downloadable CSV",
        "publisher": "Pattaya City",
        "reliability": "A"
      },
      "scope": "Municipal monthly dataset totalling 2,764,056 recorded journeys in 2022, 3,728,067 in 2023, 4,530,097 in 2024 and 4,070,782 in 2025; the 2025 rows range from 280,654 in November to 400,569 in May; journeys are not unique visitors, a live occupancy count, a cause analysis, carrying capacity or a crowd forecast",
      "checked": "2026-08-24",
      "reviewDue": "2027-06-30",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/practical/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "kohLarnWaste2024",
      "label": "Pattaya Data Platform — Koh Larn general waste, 2024",
      "url": "https://data.pattaya.go.th/dataset/hom8",
      "provenance": {
        "sourceType": "Koh Larn Branch open-data dataset and downloadable CSV",
        "publisher": "Pattaya City, Koh Larn Branch",
        "reliability": "A"
      },
      "scope": "Koh Larn Branch dataset recording 6,996 tonnes of general waste in calendar 2024; infrastructure context, not current disposal performance",
      "checked": "2026-08-24",
      "reviewDue": "2027-06-30",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/practical/",
        "/llms.txt"
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    },
    {
      "sourceKey": "kohLarnMedicalCenterOrg",
      "label": "Pattaya City organization plan — Koh Larn Branch medical centre",
      "url": "https://www.pattaya.go.th/wp-content/uploads/2024/04/%E0%B9%81%E0%B8%9C%E0%B8%99%E0%B8%9A%E0%B8%A3%E0%B8%B4%E0%B8%AB%E0%B8%B2%E0%B8%A3%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B9%81%E0%B8%9C%E0%B8%99%E0%B8%9E%E0%B8%B1%E0%B8%92%E0%B8%99%E0%B8%B2-67-%E0%B9%81%E0%B8%81%E0%B9%89%E0%B9%84%E0%B8%82%E0%B9%81%E0%B8%A5%E0%B9%89%E0%B8%A7-%E0%B8%9C%E0%B8%AA%E0%B8%B2%E0%B8%99.pdf",
      "provenance": {
        "sourceType": "Official municipal organization and development-plan PDF",
        "publisher": "Pattaya City",
        "reliability": "A"
      },
      "scope": "Institutional existence of Ban Koh Larn Community Medical Center within the municipal branch; not present opening hours, staffing, capability, walk-in access or billing",
      "checked": "2026-08-24",
      "reviewDue": "2027-02-24",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/practical/",
        "/llms.txt"
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    },
    {
      "sourceKey": "pattayaKohLarnBranch",
      "label": "Pattaya City — Koh Larn Branch contact",
      "url": "https://data.pattaya.go.th/organization/about/pattaya-city-koh-larn-branch",
      "provenance": {
        "sourceType": "Official municipal organization page",
        "publisher": "Pattaya City",
        "reliability": "A"
      },
      "scope": "Current municipal branch and Pattaya Contact Center 1337; a service-information contact, not an emergency or medical-capability guarantee",
      "checked": "2026-08-24",
      "reviewDue": "2027-02-24",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/practical/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "tatPattayaKohLan",
      "label": "Tourism Authority of Thailand — Pattaya destination (‘Koh Lan’)",
      "url": "https://www.tourismthailand.org/Destinations/Provinces/Pattaya/469",
      "provenance": {
        "sourceType": "Official destination page",
        "publisher": "Tourism Authority of Thailand",
        "reliability": "B"
      },
      "scope": "Official TAT use of the English spelling ‘Koh Lan’ for the Pattaya island; identity and transliteration evidence only, not a separate place, preferred spelling, current transport or condition source",
      "checked": "2026-08-29",
      "reviewDue": "2027-08-29",
      "reviewBoundary": "scheduled-date",
      "status": "browser-accessible-bot-restricted",
      "availabilityNote": "The official destination page remained readable through browser/search retrieval on 29 August 2026 but returned HTTP 403 to the automated release link probe. It is retained only as corroborating identity evidence.",
      "usedOnExamples": [
        "/coral-island-pattaya/",
        "/faq/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "tatEastKoLan",
      "label": "Tourism Authority of Thailand — Eastern Thailand destination (‘Ko Lan’)",
      "url": "https://www.tourismthailand.org/Destinations/East/4",
      "provenance": {
        "sourceType": "Official regional destination page",
        "publisher": "Tourism Authority of Thailand",
        "reliability": "B"
      },
      "scope": "Official TAT use of the English spelling ‘Ko Lan’ for the same Pattaya island; identity and transliteration evidence only, not a separate place, preferred spelling, current transport or condition source",
      "checked": "2026-08-29",
      "reviewDue": "2027-08-29",
      "reviewBoundary": "scheduled-date",
      "status": "browser-accessible-bot-restricted",
      "availabilityNote": "The official destination page remained readable through browser/search retrieval on 29 August 2026 but returned HTTP 403 to the automated release link probe. It is retained only as corroborating identity evidence.",
      "usedOnExamples": [
        "/coral-island-pattaya/",
        "/faq/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "pattayaPassengerBoatRoutes2025",
      "label": "Pattaya Data Platform — Koh Larn passenger-boat route categories, 2025",
      "url": "https://data.pattaya.go.th/dataset/170",
      "provenance": {
        "sourceType": "Municipal open-data dataset",
        "publisher": "Pattaya City",
        "reliability": "A"
      },
      "scope": "Municipal 2025 dataset naming four directional passenger-boat routes—Pattaya–Na Baan, Na Baan–Pattaya, Pattaya–Tawaen and Tawaen–Pattaya—and charter speedboats as a separate category; not a current timetable, fare, capacity, availability, operator-status or complete traffic-count source",
      "checked": "2026-08-29",
      "reviewDue": "2027-06-30",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/getting-there/",
        "/coral-island-pattaya/",
        "/faq/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "kohLarnRoadSegments2024",
      "label": "Pattaya Data Platform — Koh Larn municipal road and walkway segments, 2024",
      "url": "https://data.pattaya.go.th/dataset/26",
      "provenance": {
        "sourceType": "Municipal open-data cleaning ledger",
        "publisher": "Pattaya City, Koh Larn Branch",
        "reliability": "A"
      },
      "scope": "Municipal cleaning ledger naming 23 administrative road or walkway segments and their recorded lengths; geographic relationship evidence only, not visitor walking distance, time, gradient, surface, access, continuity or current opening",
      "checked": "2026-08-29",
      "reviewDue": "2027-06-30",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/map/",
        "/getting-around/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "pattayaLivestream",
      "label": "Pattaya City — public CCTV portal",
      "url": "https://livestream.pattaya.go.th/",
      "provenance": {
        "sourceType": "Official dynamic public-camera portal",
        "publisher": "Pattaya City",
        "reliability": "A/B"
      },
      "scope": "Existence of a municipal public-camera catalog including Bali Hai and named Koh Larn locations; individual feed availability can change and no camera view establishes crowding, weather, sea safety, opening, accessibility or transport status",
      "checked": "2026-08-29",
      "reviewDue": "travel day",
      "reviewBoundary": "travel-day",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/map/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "thailandGovernmentEmergency2025",
      "label": "Thailand Government PRD — essential tourist emergency contacts, 25 November 2025",
      "url": "https://thailand.go.th/issue-focus-detail/essential-tourist-assistance-contact-numbers-to-ensure-a-smooth-and-safe-journey",
      "provenance": {
        "sourceType": "Official government emergency-contact notice",
        "publisher": "Thailand Government Public Relations Department",
        "reliability": "A"
      },
      "scope": "Official government confirmation of medical emergency 1669, police emergency 191 and Tourist Police 1155; not evidence of island response time, language availability, equipment, evacuation, cost or clinical capability",
      "checked": "2026-08-29",
      "reviewDue": "2027-08-29",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/practical/",
        "/faq/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "royalThaiPoliceEmergency2026",
      "label": "Royal Thai Police — emergency contact notice, 8 August 2026",
      "url": "https://saranitet.police.go.th/commanders-mission/security-and-special-task_08082026_67177/",
      "provenance": {
        "sourceType": "Official dated emergency-contact notice",
        "publisher": "Royal Thai Police",
        "reliability": "A"
      },
      "scope": "Official confirmation of police emergency contacts 191 and 1599 and Tourist Police 1155 for foreign nationals; not a response-time, language-service or island-coverage guarantee",
      "checked": "2026-08-29",
      "reviewDue": "2027-08-08",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/practical/",
        "/faq/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "dmcrIslandInventory",
      "label": "DMCR open data — Pattaya island inventory",
      "url": "https://opendata.dmcr.go.th/data/detail/99",
      "provenance": {
        "sourceType": "Official marine open-data inventory",
        "publisher": "Thailand Department of Marine and Coastal Resources (DMCR)",
        "reliability": "A"
      },
      "scope": "Official inventory placing Koh Larn, Koh Krok, Koh Sak, Koh Phai and Koh Rin in Pattaya City/Bang Lamung; geographic membership only, not visitor access, tours, landing rights, reef health, boat service, ownership or exact inter-island distance",
      "checked": "2026-08-29",
      "reviewDue": "2027-05-02",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/nearby-islands/",
        "/map/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "dmcrKohLarnCoralStructures2026",
      "label": "DMCR — Koh Larn coral-settlement structures, 3–4 July 2026",
      "url": "https://www.dmcr.go.th/detailAll/86095/nws/257",
      "provenance": {
        "sourceType": "Official dated marine-stewardship activity record",
        "publisher": "Thailand Department of Marine and Coastal Resources (DMCR)",
        "reliability": "A/B"
      },
      "scope": "Dated multi-agency activity placing 3D-printed structures designed as settlement surfaces for coral larvae on a Koh Larn beach; not proof of settlement, survival, reef recovery, exact beach, structure count, visitor access or current reef condition",
      "checked": "2026-08-29",
      "reviewDue": "2027-07-04",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/coral-island-pattaya/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "chonburiKohLarnWasteCenter2026",
      "label": "Chonburi PRD — Koh Larn integrated waste-center opening, 10 April 2026",
      "url": "https://radiochonburi.prd.go.th/th/content/article/detail/id/2414/iid/493844",
      "provenance": {
        "sourceType": "Official government opening report with attributed operator specifications",
        "publisher": "Chonburi Provincial Public Relations Office",
        "reliability": "A/B"
      },
      "scope": "Official opening report attributing to the project operator a design of two 25-tonne-per-day furnaces and a 25-year BOT arrangement; stated design and event evidence only, not actual throughput, uptime, emissions, backlog clearance, environmental benefit or current cleanliness",
      "checked": "2026-08-29",
      "reviewDue": "2027-04-10",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/practical/",
        "/llms.txt"
      ]
    },
    {
      "sourceKey": "noaaSolarEquations",
      "label": "NOAA Global Monitoring Laboratory — sunrise and sunset equations",
      "url": "https://gml.noaa.gov/grad/solcalc/solareqns.PDF",
      "provenance": {
        "sourceType": "Official published calculation-method paper",
        "publisher": "NOAA Global Monitoring Laboratory",
        "reliability": "A/B"
      },
      "scope": "Published solar-noon, sunrise and sunset equations, including the 90.833-degree apparent-horizon convention; methodology reference only, not an official NOAA forecast, observation, certification of this implementation or guarantee of the visible horizon",
      "checked": "2026-08-29",
      "reviewDue": "2027-08-29",
      "reviewBoundary": "scheduled-date",
      "status": "available-at-last-check",
      "usedOnExamples": [
        "/sun/",
        "/llms.txt"
      ]
    }
  ]
}