{
  "meta": {
    "title": "Keptree Forest Ledger Report",
    "generatedBy": "Keptree",
    "generatedAt": "2026-05-31T19:37:12.838Z",
    "preparedFor": "Demo Enterprise",
    "reportingPeriod": "2024.04 – 2026.05",
    "dataSource": {
      "credits": "d1",
      "signals": "d1",
      "attachments": "live"
    },
    "disclaimer": "This report does not certify carbon credits. Registry information must be verified against official registry sources."
  },
  "projectOverview": {
    "guardianCode": "Guardian Plot #012",
    "name": "Shimokawa Forest Plot-B",
    "location": "北海道 下川町 / Shimokawa, Hokkaido",
    "species": [
      "トドマツ / Todo fir",
      "カラマツ / Japanese larch"
    ],
    "manager": "下川町森林組合 × Keptree Local Stewards",
    "registry": "J-Credit JP-100-XXXXX-XX",
    "claimStatus": "Retired – Local & Corporate Contribution Eligible",
    "forestLedgerUrl": "/plots/demo-shimokawa-b"
  },
  "integritySummary": {
    "trustScore": 86,
    "resilienceScore": 92,
    "evidenceCoverage": {
      "registry": 100,
      "remote": 90,
      "field": 75,
      "community": 80
    },
    "creditTransparencyScore": 87,
    "note": "Trust Score は格付けではなく証拠カバレッジ。"
  },
  "evidenceTimeline": [
    {
      "date": "2024-04-01",
      "title": "Credit Issued",
      "evidenceType": "registry",
      "isRiskEvent": false,
      "description": "J-Credit として 18.4ha 分のクレジットが発行・登録された。"
    },
    {
      "date": "2024-10-01",
      "title": "First Field Survey",
      "evidenceType": "field",
      "isRiskEvent": false,
      "description": "下川町森林組合による初回現地調査。立木密度と林冠状態を記録。"
    },
    {
      "date": "2025-03-01",
      "title": "Satellite Trend Check",
      "evidenceType": "remote",
      "isRiskEvent": false,
      "description": "衛星画像の時系列解析で植生指数の安定を確認。異常なし。"
    },
    {
      "date": "2025-09-01",
      "title": "Typhoon Hit & Risk Event",
      "evidenceType": "remote",
      "isRiskEvent": true,
      "description": "台風通過。一部区画で倒木リスクを検知し、リスクイベントとして記録。"
    },
    {
      "date": "2025-10-01",
      "title": "Care Log: Disaster Response",
      "evidenceType": "field",
      "isRiskEvent": false,
      "description": "災害対応の手入れログ。倒木処理と歩道の安全確認を実施。"
    },
    {
      "date": "2026-05-01",
      "title": "Natural Regeneration Confirmed",
      "evidenceType": "community",
      "isRiskEvent": false,
      "description": "市民観測と現地確認により、被害区画での自然更新（実生）を確認。"
    }
  ],
  "citizenSignalSummary": {
    "total": 12,
    "casual": 3,
    "trusted": 2,
    "candidates": 2,
    "verified": 2,
    "ledger": 1,
    "archived": 2,
    "humanReviewLoadPct": 58
  },
  "evidenceAttachments": {
    "live": true,
    "count": 0,
    "items": [],
    "note": null
  },
  "reviewGovernance": {
    "promotionLadder": [
      "Citizen Signal",
      "Trusted Signal",
      "Evidence Candidate",
      "Verified Evidence",
      "Ledger Entry"
    ],
    "gatingFactors": [
      "写真 (photo)",
      "GPS",
      "コメント (comment)",
      "定点写真 (fixed point)",
      "他観測との照合 (cross-reference)",
      "Steward 確認 (steward confirmation)",
      "管理者承認 (manager approval)"
    ]
  },
  "disclosureGuidance": {
    "maySay": [
      "当社は、継続的な見守り証跡が蓄積される自然資本プロジェクトを支援しています。",
      "Keptree Forest Ledger により、市民観測・現地証跡・添付資料を継続的に確認しています。",
      "Citizen Signals は補助的観測として収集され、審査を経て Evidence に昇格します。"
    ],
    "shouldNotSay": [
      "Citizen Signals により炭素クレジットが認証されています。",
      "Keptree が J-クレジットや Verra の代替認証を行っています。",
      "添付写真だけで炭素吸収量が証明されています。"
    ]
  }
}