{
  "project_id": "yukue-series",
  "site_id": "matsuri",
  "record_type": "entity_detail",
  "record": {
    "entity": {
      "id": "fst-niigata-matsuri",
      "schema_version": "matsuri.v1",
      "record_version": 1,
      "created_at": "2026-08-10T00:00:00Z",
      "updated_at": "2026-08-10T00:00:00Z",
      "slug": "niigata-matsuri",
      "entity_type": "festival",
      "home_surface": "matsuri",
      "tradition_scope": "standalone",
      "names": [
        {
          "value": "新潟まつり",
          "lang": "ja",
          "kind": "canonical",
          "is_preferred": true,
          "source_ids": [
            "src-niigata-matsuri-about",
            "src-niigata-matsuri-2026-official"
          ]
        }
      ],
      "summary_ja": "住吉祭・商工祭・川開き・開港記念祭という4つの祭りを一つにし、1955年に第1回が始まった新潟市の祭り。毎年8月上旬の金・土・日曜日を基本に、古町、萬代橋周辺、信濃川河畔など中心市街地で複数の行事を行う。",
      "geographic_scope": {
        "areas": [
          {
            "prefecture_code": "15",
            "prefecture_name_ja": "新潟県",
            "municipality_name_ja": "新潟市"
          }
        ],
        "scope_type": "distributed",
        "description_ja": "古町、萬代橋周辺、信濃川河畔など新潟市中心市街地の複数会場で行う。"
      },
      "primary_place_id": "plc-niigata-matsuri-central-area",
      "default_place_ids": [
        "plc-niigata-matsuri-central-area"
      ],
      "external_links": [
        {
          "kind": "official_website",
          "platform": "web",
          "url": "https://niigata-matsuri.com/",
          "is_primary": true,
          "officiality": "official",
          "last_checked_at": "2026-08-10"
        }
      ],
      "record_lifecycle": "active",
      "festival_kind": "composite_festival",
      "usual_months": [
        8
      ],
      "usual_duration_days": 3,
      "season_tags": [
        "夏"
      ],
      "occurrence_series_ids": [
        "ser-niigata-matsuri-annual"
      ]
    },
    "current_state": {
      "entity_id": "fst-niigata-matsuri",
      "snapshot_id": "sts-niigata-matsuri-current",
      "state_schema": "matsuri.festival.v1",
      "state_code": "active",
      "observed_at": "2026-08-10",
      "basis_evidence_ids": [
        "evd-niigata-matsuri-state-2026"
      ]
    },
    "places": [
      {
        "id": "plc-niigata-matsuri-central-area",
        "schema_version": "common.v1",
        "record_version": 1,
        "name_ja": "新潟まつり 中心市街地会場",
        "place_kind": "festival_area",
        "country_code": "JP",
        "prefecture_code": "15",
        "prefecture_name_ja": "新潟県",
        "municipality_name_ja": "新潟市",
        "locality_ja": "古町・萬代橋周辺・信濃川河畔ほか",
        "coordinate_precision": "municipality",
        "map_label_ja": "新潟まつり公式 交通規制・会場案内",
        "source_ids": [
          "src-niigata-matsuri-schedule-2026",
          "src-niigata-matsuri-2026-home-map"
        ]
      }
    ],
    "latest_occurrence": {
      "id": "occ-niigata-matsuri-2025",
      "schema_version": "matsuri.v1",
      "record_version": 1,
      "subject_entity_id": "fst-niigata-matsuri",
      "series_id": "ser-niigata-matsuri-annual",
      "occurrence_type": "festival_edition",
      "temporal_extent": {
        "start": "2025-08-08",
        "end": "2025-08-10",
        "precision": "range"
      },
      "outcome": "held",
      "scale": "modified",
      "venue_place_ids": [
        "plc-niigata-matsuri-central-area"
      ],
      "organizer_entity_ids": [
        "org-niigata-matsuri-jikkoiinkai"
      ],
      "evidence_ids": [
        "evd-niigata-matsuri-occ-2025-held",
        "evd-niigata-matsuri-occ-2025-modified"
      ],
      "review_status": "approved"
    },
    "occurrence_history": [
      {
        "id": "occ-niigata-matsuri-2025",
        "schema_version": "matsuri.v1",
        "record_version": 1,
        "subject_entity_id": "fst-niigata-matsuri",
        "series_id": "ser-niigata-matsuri-annual",
        "occurrence_type": "festival_edition",
        "temporal_extent": {
          "start": "2025-08-08",
          "end": "2025-08-10",
          "precision": "range"
        },
        "outcome": "held",
        "scale": "modified",
        "venue_place_ids": [
          "plc-niigata-matsuri-central-area"
        ],
        "organizer_entity_ids": [
          "org-niigata-matsuri-jikkoiinkai"
        ],
        "evidence_ids": [
          "evd-niigata-matsuri-occ-2025-held",
          "evd-niigata-matsuri-occ-2025-modified"
        ],
        "review_status": "approved"
      }
    ],
    "changes": [
      {
        "id": "chg-niigata-matsuri-started-1955",
        "schema_version": "matsuri.v1",
        "record_version": 1,
        "event_type": "other",
        "subject_entity_ids": [
          "fst-niigata-matsuri"
        ],
        "effective_period": {
          "start": "1955"
        },
        "summary_ja": "住吉祭・商工祭・川開き・開港記念祭の4つを一つにし、1955年に第1回新潟まつりが始まった。開始を年精度で記録する。",
        "resulting_state_snapshot_ids": [],
        "related_relation_ids": [],
        "evidence_ids": [
          "evd-niigata-matsuri-start-1955"
        ],
        "review_status": "approved"
      }
    ],
    "relations": [
      {
        "relation": {
          "id": "rel-niigata-matsuri-organized-by-jikkoiinkai",
          "schema_version": "matsuri.v1",
          "record_version": 1,
          "source_entity_id": "fst-niigata-matsuri",
          "relation_type": "organized_by",
          "target_entity_id": "org-niigata-matsuri-jikkoiinkai",
          "evidence_ids": [
            "evd-rel-niigata-matsuri-jikkoiinkai-explicit",
            "evd-rel-niigata-matsuri-jikkoiinkai-current"
          ],
          "review_status": "approved"
        },
        "direction": "outgoing",
        "source_entity": {
          "id": "fst-niigata-matsuri",
          "schema_version": "matsuri.v1",
          "record_version": 1,
          "created_at": "2026-08-10T00:00:00Z",
          "updated_at": "2026-08-10T00:00:00Z",
          "slug": "niigata-matsuri",
          "entity_type": "festival",
          "home_surface": "matsuri",
          "tradition_scope": "standalone",
          "names": [
            {
              "value": "新潟まつり",
              "lang": "ja",
              "kind": "canonical",
              "is_preferred": true,
              "source_ids": [
                "src-niigata-matsuri-about",
                "src-niigata-matsuri-2026-official"
              ]
            }
          ],
          "summary_ja": "住吉祭・商工祭・川開き・開港記念祭という4つの祭りを一つにし、1955年に第1回が始まった新潟市の祭り。毎年8月上旬の金・土・日曜日を基本に、古町、萬代橋周辺、信濃川河畔など中心市街地で複数の行事を行う。",
          "geographic_scope": {
            "areas": [
              {
                "prefecture_code": "15",
                "prefecture_name_ja": "新潟県",
                "municipality_name_ja": "新潟市"
              }
            ],
            "scope_type": "distributed",
            "description_ja": "古町、萬代橋周辺、信濃川河畔など新潟市中心市街地の複数会場で行う。"
          },
          "primary_place_id": "plc-niigata-matsuri-central-area",
          "default_place_ids": [
            "plc-niigata-matsuri-central-area"
          ],
          "external_links": [
            {
              "kind": "official_website",
              "platform": "web",
              "url": "https://niigata-matsuri.com/",
              "is_primary": true,
              "officiality": "official",
              "last_checked_at": "2026-08-10"
            }
          ],
          "record_lifecycle": "active",
          "festival_kind": "composite_festival",
          "usual_months": [
            8
          ],
          "usual_duration_days": 3,
          "season_tags": [
            "夏"
          ],
          "occurrence_series_ids": [
            "ser-niigata-matsuri-annual"
          ]
        },
        "target_entity": {
          "id": "org-niigata-matsuri-jikkoiinkai",
          "schema_version": "matsuri.v1",
          "record_version": 1,
          "created_at": "2026-08-10T00:00:00Z",
          "updated_at": "2026-08-10T00:00:00Z",
          "slug": "niigata-matsuri-jikkoiinkai",
          "entity_type": "organization",
          "home_surface": "matsuri",
          "tradition_scope": "unknown",
          "names": [
            {
              "value": "新潟まつり実行委員会",
              "lang": "ja",
              "kind": "canonical",
              "is_preferred": true,
              "source_ids": [
                "src-niigata-matsuri-city-grant-2026",
                "src-niigata-matsuri-2026-official"
              ]
            }
          ],
          "summary_ja": "新潟市が2026年の新潟まつり開催事業補助金の補助事業者として明示し、新潟まつり公式サイトの運営・問い合わせ主体として掲載される実行委員会。",
          "geographic_scope": {
            "areas": [
              {
                "prefecture_code": "15",
                "prefecture_name_ja": "新潟県",
                "municipality_name_ja": "新潟市"
              }
            ],
            "scope_type": "single_area"
          },
          "default_place_ids": [],
          "external_links": [
            {
              "kind": "organizer_website",
              "platform": "web",
              "url": "https://niigata-matsuri.com/",
              "is_primary": true,
              "officiality": "official_organization",
              "last_checked_at": "2026-08-10"
            }
          ],
          "record_lifecycle": "active",
          "organization_kind": "festival_committee"
        }
      }
    ],
    "designations": [],
    "images": [],
    "evidence": [
      {
        "evidence": {
          "id": "evd-niigata-matsuri-identity",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-niigata-matsuri-about",
          "target_type": "entity_identity",
          "target_id": "fst-niigata-matsuri",
          "assertion_code": "supports_entity_identity",
          "summary_ja": "新潟まつり公式サイトは、住吉祭・商工祭・川開き・開港記念祭を一つにして1955年に第1回新潟まつりが始まった経緯を説明している。",
          "captured_at": "2026-08-10",
          "review_status": "approved"
        },
        "source": {
          "id": "src-niigata-matsuri-about",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "official_organization",
          "title": "新潟まつりとは",
          "publisher": "新潟まつり実行委員会",
          "url": "https://niigata-matsuri.com/about/",
          "accessed_at": "2026-08-10",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-niigata-matsuri-occ-2025-held",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-niigata-matsuri-2025-procession-held",
          "target_type": "occurrence",
          "target_id": "occ-niigata-matsuri-2025",
          "assertion_code": "supports_occurrence",
          "summary_ja": "新潟まつり実行委員会は2025年8月9日に住吉行列と手づくりこどもみこしを予定どおり実施すると当日公表している。主要行事の実施が確認できるため2025 editionのoutcomeをheldとする。",
          "captured_at": "2026-08-10",
          "review_status": "approved"
        },
        "source": {
          "id": "src-niigata-matsuri-2025-procession-held",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "official_organization",
          "title": "8月9日（土）住吉行列・手づくりこどもみこしは予定どおり実施いたします",
          "publisher": "新潟まつり実行委員会",
          "url": "https://niigata-matsuri.com/news/787/",
          "published_at": "2025-08-09",
          "accessed_at": "2026-08-10",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-niigata-matsuri-occ-2025-modified",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-niigata-matsuri-2025-fireworks-cancelled",
          "target_type": "occurrence",
          "target_id": "occ-niigata-matsuri-2025",
          "assertion_code": "supports_occurrence",
          "summary_ja": "新潟まつり実行委員会は2025年8月10日の花火大会を雨天のため中止し順延しないと公表した。主要行事の実施確認と合わせ、祭り全体のscaleをmodifiedとする。",
          "captured_at": "2026-08-10",
          "review_status": "approved"
        },
        "source": {
          "id": "src-niigata-matsuri-2025-fireworks-cancelled",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "official_organization",
          "title": "8月10日（日）花火大会は中止いたします",
          "publisher": "新潟まつり実行委員会",
          "url": "https://niigata-matsuri.com/news/792/",
          "published_at": "2025-08-10",
          "accessed_at": "2026-08-10",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-niigata-matsuri-official-map",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-niigata-matsuri-2026-home-map",
          "target_type": "place",
          "target_id": "plc-niigata-matsuri-central-area",
          "assertion_code": "supports_official_map",
          "summary_ja": "新潟まつり公式ホームページは2026年の交通規制・会場案内への導線を掲載している。Festival detailの地図導線にはこの公式ページを使用し、分散会場に点座標を推定しない。",
          "captured_at": "2026-08-10",
          "review_status": "approved"
        },
        "source": {
          "id": "src-niigata-matsuri-2026-home-map",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "official_organization",
          "title": "新潟まつり 公式ホームページ",
          "publisher": "新潟まつり実行委員会",
          "url": "https://niigata-matsuri.com/",
          "accessed_at": "2026-08-10",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-niigata-matsuri-place-central-area",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-niigata-matsuri-schedule-2026",
          "target_type": "place",
          "target_id": "plc-niigata-matsuri-central-area",
          "assertion_code": "supports_place",
          "summary_ja": "2026年公式行事スケジュールは、新潟駅南口、柾谷小路、萬代橋、古町、信濃川河畔など新潟市中心部の複数会場・経路を示している。",
          "captured_at": "2026-08-10",
          "review_status": "approved"
        },
        "source": {
          "id": "src-niigata-matsuri-schedule-2026",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "official_organization",
          "title": "行事スケジュール",
          "publisher": "新潟まつり実行委員会",
          "url": "https://niigata-matsuri.com/schedule/",
          "accessed_at": "2026-08-10",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-niigata-matsuri-recurrence",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-niigata-matsuri-about",
          "target_type": "recurrence_pattern",
          "target_id": "rec-niigata-matsuri-early-august-weekend",
          "assertion_code": "supports_recurrence",
          "summary_ja": "新潟まつり公式サイトは、現在の新潟まつりを毎年8月上旬の金・土・日曜日に開催すると説明している。",
          "captured_at": "2026-08-10",
          "review_status": "approved"
        },
        "source": {
          "id": "src-niigata-matsuri-about",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "official_organization",
          "title": "新潟まつりとは",
          "publisher": "新潟まつり実行委員会",
          "url": "https://niigata-matsuri.com/about/",
          "accessed_at": "2026-08-10",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-niigata-matsuri-start-1955",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-niigata-matsuri-about",
          "target_type": "change_event",
          "target_id": "chg-niigata-matsuri-started-1955",
          "assertion_code": "supports_change_event",
          "summary_ja": "新潟まつり公式サイトは、住吉祭・商工祭・川開き・開港記念祭の4つを一つにし、1955年に第1回新潟まつりが始まったと説明している。Change Eventは年精度に留める。",
          "captured_at": "2026-08-10",
          "review_status": "approved"
        },
        "source": {
          "id": "src-niigata-matsuri-about",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "official_organization",
          "title": "新潟まつりとは",
          "publisher": "新潟まつり実行委員会",
          "url": "https://niigata-matsuri.com/about/",
          "accessed_at": "2026-08-10",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-niigata-matsuri-state-2026",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-niigata-matsuri-2026-official",
          "target_type": "state_snapshot",
          "target_id": "sts-niigata-matsuri-current",
          "assertion_code": "supports_current_state",
          "summary_ja": "新潟まつり公式サイトは2026年5月13日に令和8年新潟まつりの8月7日から9日までの行事日程を公表しているため、FestivalのCurrent Stateをactiveとする。2026年のheld outcomeはこのEvidenceから推定しない。",
          "captured_at": "2026-08-10",
          "review_status": "approved"
        },
        "source": {
          "id": "src-niigata-matsuri-2026-official",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "official_organization",
          "title": "令和8年 新潟まつり行事日程について",
          "publisher": "新潟まつり実行委員会",
          "url": "https://niigata-matsuri.com/news/808/",
          "published_at": "2026-05-13",
          "accessed_at": "2026-08-10",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-rel-niigata-matsuri-jikkoiinkai-current",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-niigata-matsuri-city-grant-2026",
          "target_type": "relation",
          "target_id": "rel-niigata-matsuri-organized-by-jikkoiinkai",
          "assertion_code": "supports_relation",
          "summary_ja": "新潟市は2026年の新潟まつり開催事業について補助事業者を新潟まつり実行委員会と明示しており、現在の運営主体との関係を補強する。",
          "captured_at": "2026-08-10",
          "review_status": "approved"
        },
        "source": {
          "id": "src-niigata-matsuri-city-grant-2026",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "新潟まつり開催事業補助金",
          "publisher": "新潟市",
          "url": "https://www.city.niigata.lg.jp/shisei/gyoseiunei/hojyokin/gyoseikeihi/kanko-kokusai/kankoseisaku/niigatamaturi.html",
          "updated_at_source": "2026-05-29",
          "accessed_at": "2026-08-10",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-rel-niigata-matsuri-jikkoiinkai-explicit",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-niigata-matsuri-arts-council",
          "target_type": "relation",
          "target_id": "rel-niigata-matsuri-organized-by-jikkoiinkai",
          "assertion_code": "supports_relation",
          "summary_ja": "アーツカウンシル新潟の新潟まつり記録は主催を新潟まつり実行委員会と明示しているため、Festivalから同委員会へのorganized_by Relationの明示根拠とする。",
          "captured_at": "2026-08-10",
          "review_status": "approved"
        },
        "source": {
          "id": "src-niigata-matsuri-arts-council",
          "schema_version": "common.v1",
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