{
  "project_id": "yukue-series",
  "site_id": "matsuri",
  "record_type": "entity_detail",
  "record": {
    "entity": {
      "id": "fst-chichibu-yomatsuri",
      "schema_version": "matsuri.v1",
      "record_version": 1,
      "created_at": "2026-07-10T00:00:00Z",
      "updated_at": "2026-07-10T00:00:00Z",
      "slug": "chichibu-yomatsuri",
      "entity_type": "festival",
      "home_surface": "matsuri",
      "tradition_scope": "standalone",
      "names": [
        {
          "value": "秩父夜祭",
          "lang": "ja",
          "kind": "canonical",
          "is_preferred": true,
          "source_ids": [
            "src-chichibu-yomatsuri"
          ]
        }
      ],
      "summary_ja": "秩父神社の年に一度の大祭として行われる祭礼。",
      "geographic_scope": {
        "areas": [
          {
            "prefecture_code": "11",
            "prefecture_name_ja": "埼玉県",
            "municipality_name_ja": "秩父市"
          }
        ],
        "scope_type": "route_based",
        "description_ja": "秩父神社を中心に神幸祭と笠鉾・屋台の行事が行われる。"
      },
      "primary_place_id": "plc-chichibu-jinja",
      "default_place_ids": [
        "plc-chichibu-jinja"
      ],
      "external_links": [
        {
          "kind": "official_website",
          "platform": "web",
          "url": "https://www.chichibu-jinja.or.jp/yomatsuri/",
          "is_primary": true,
          "officiality": "official_organization",
          "last_checked_at": "2026-07-10"
        }
      ],
      "record_lifecycle": "active",
      "festival_kind": "shrine_festival",
      "recurrence_pattern": {
        "pattern_type": "annual",
        "rule_text_ja": "毎年12月2日・3日。3日夜の神幸祭を中心に行われる。",
        "evidence_ids": [
          "evd-chichibu-recurrence"
        ]
      },
      "usual_months": [
        12
      ],
      "usual_duration_days": 2,
      "season_tags": [
        "冬"
      ]
    },
    "current_state": {
      "entity_id": "fst-chichibu-yomatsuri",
      "snapshot_id": "sts-chichibu-current",
      "state_schema": "matsuri.festival.v1",
      "state_code": "active",
      "observed_at": "2026-07-10",
      "basis_evidence_ids": [
        "evd-chichibu-state"
      ]
    },
    "places": [
      {
        "id": "plc-chichibu-jinja",
        "schema_version": "common.v1",
        "record_version": 1,
        "name_ja": "秩父神社",
        "place_kind": "shrine",
        "country_code": "JP",
        "prefecture_code": "11",
        "prefecture_name_ja": "埼玉県",
        "municipality_name_ja": "秩父市",
        "street_address_ja": "番場町1-3",
        "postal_code": "368-0041",
        "coordinate_precision": "venue",
        "source_ids": [
          "src-chichibu-yomatsuri"
        ]
      }
    ],
    "latest_occurrence": {
      "id": "occ-chichibu-yomatsuri-2025",
      "schema_version": "matsuri.v1",
      "record_version": 1,
      "subject_entity_id": "fst-chichibu-yomatsuri",
      "series_id": "ser-chichibu-yomatsuri-annual",
      "occurrence_type": "festival_edition",
      "temporal_extent": {
        "start": "2025-12-02",
        "end": "2025-12-03",
        "precision": "range"
      },
      "outcome": "held",
      "scale": "normal",
      "venue_place_ids": [
        "plc-chichibu-jinja"
      ],
      "organizer_entity_ids": [],
      "evidence_ids": [
        "evd-chichibu-yomatsuri-occ-2025"
      ],
      "review_status": "approved"
    },
    "occurrence_history": [
      {
        "id": "occ-chichibu-yomatsuri-2025",
        "schema_version": "matsuri.v1",
        "record_version": 1,
        "subject_entity_id": "fst-chichibu-yomatsuri",
        "series_id": "ser-chichibu-yomatsuri-annual",
        "occurrence_type": "festival_edition",
        "temporal_extent": {
          "start": "2025-12-02",
          "end": "2025-12-03",
          "precision": "range"
        },
        "outcome": "held",
        "scale": "normal",
        "venue_place_ids": [
          "plc-chichibu-jinja"
        ],
        "organizer_entity_ids": [],
        "evidence_ids": [
          "evd-chichibu-yomatsuri-occ-2025"
        ],
        "review_status": "approved"
      },
      {
        "id": "occ-chichibu-yomatsuri-2021",
        "schema_version": "matsuri.v1",
        "record_version": 1,
        "subject_entity_id": "fst-chichibu-yomatsuri",
        "series_id": "ser-chichibu-yomatsuri-annual",
        "occurrence_type": "festival_edition",
        "temporal_extent": {
          "start": "2021-12-02",
          "end": "2021-12-03",
          "precision": "range"
        },
        "outcome": "held",
        "scale": "reduced",
        "venue_place_ids": [
          "plc-chichibu-jinja"
        ],
        "organizer_entity_ids": [],
        "evidence_ids": [
          "evd-chichibu-yomatsuri-occ-2021"
        ],
        "review_status": "approved"
      },
      {
        "id": "occ-chichibu-yomatsuri-2020",
        "schema_version": "matsuri.v1",
        "record_version": 1,
        "subject_entity_id": "fst-chichibu-yomatsuri",
        "series_id": "ser-chichibu-yomatsuri-annual",
        "occurrence_type": "festival_edition",
        "temporal_extent": {
          "start": "2020-12-02",
          "end": "2020-12-03",
          "precision": "range"
        },
        "outcome": "held",
        "scale": "reduced",
        "venue_place_ids": [
          "plc-chichibu-jinja"
        ],
        "organizer_entity_ids": [],
        "evidence_ids": [
          "evd-chichibu-yomatsuri-occ-2020"
        ],
        "review_status": "approved"
      }
    ],
    "changes": [
      {
        "id": "chg-chichibu-yomatsuri-format-changed-2021",
        "schema_version": "matsuri.v1",
        "record_version": 1,
        "event_type": "format_changed",
        "subject_entity_ids": [
          "fst-chichibu-yomatsuri"
        ],
        "effective_period": {
          "start": "2021",
          "end": "2021"
        },
        "summary_ja": "2021年も笠鉾・屋台の曳き廻しと花火大会を中止し、祭典・御神幸祭・諏訪渡りを縮小して行った。",
        "resulting_state_snapshot_ids": [],
        "related_relation_ids": [
          "rel-chichibu-associated-with-shrine"
        ],
        "evidence_ids": [
          "evd-chichibu-yomatsuri-format-2021"
        ],
        "review_status": "approved"
      },
      {
        "id": "chg-chichibu-yomatsuri-format-changed-2020",
        "schema_version": "matsuri.v1",
        "record_version": 1,
        "event_type": "format_changed",
        "subject_entity_ids": [
          "fst-chichibu-yomatsuri"
        ],
        "effective_period": {
          "start": "2020",
          "end": "2020"
        },
        "summary_ja": "2020年は感染防止のため笠鉾・屋台の曳行などを中止し、秩父神社の神事と御神幸行列を中心とする縮小形式となった。",
        "resulting_state_snapshot_ids": [],
        "related_relation_ids": [
          "rel-chichibu-associated-with-shrine"
        ],
        "evidence_ids": [
          "evd-chichibu-yomatsuri-format-2020"
        ],
        "review_status": "approved"
      }
    ],
    "relations": [
      {
        "relation": {
          "id": "rel-chichibu-associated-with-shrine",
          "schema_version": "matsuri.v1",
          "record_version": 1,
          "source_entity_id": "fst-chichibu-yomatsuri",
          "relation_type": "ritually_associated_with",
          "target_entity_id": "shr-chichibu-jinja",
          "evidence_ids": [
            "evd-rel-chichibu-shrine"
          ],
          "review_status": "approved"
        },
        "direction": "outgoing",
        "source_entity": {
          "id": "fst-chichibu-yomatsuri",
          "schema_version": "matsuri.v1",
          "record_version": 1,
          "created_at": "2026-07-10T00:00:00Z",
          "updated_at": "2026-07-10T00:00:00Z",
          "slug": "chichibu-yomatsuri",
          "entity_type": "festival",
          "home_surface": "matsuri",
          "tradition_scope": "standalone",
          "names": [
            {
              "value": "秩父夜祭",
              "lang": "ja",
              "kind": "canonical",
              "is_preferred": true,
              "source_ids": [
                "src-chichibu-yomatsuri"
              ]
            }
          ],
          "summary_ja": "秩父神社の年に一度の大祭として行われる祭礼。",
          "geographic_scope": {
            "areas": [
              {
                "prefecture_code": "11",
                "prefecture_name_ja": "埼玉県",
                "municipality_name_ja": "秩父市"
              }
            ],
            "scope_type": "route_based",
            "description_ja": "秩父神社を中心に神幸祭と笠鉾・屋台の行事が行われる。"
          },
          "primary_place_id": "plc-chichibu-jinja",
          "default_place_ids": [
            "plc-chichibu-jinja"
          ],
          "external_links": [
            {
              "kind": "official_website",
              "platform": "web",
              "url": "https://www.chichibu-jinja.or.jp/yomatsuri/",
              "is_primary": true,
              "officiality": "official_organization",
              "last_checked_at": "2026-07-10"
            }
          ],
          "record_lifecycle": "active",
          "festival_kind": "shrine_festival",
          "recurrence_pattern": {
            "pattern_type": "annual",
            "rule_text_ja": "毎年12月2日・3日。3日夜の神幸祭を中心に行われる。",
            "evidence_ids": [
              "evd-chichibu-recurrence"
            ]
          },
          "usual_months": [
            12
          ],
          "usual_duration_days": 2,
          "season_tags": [
            "冬"
          ]
        },
        "target_entity": {
          "id": "shr-chichibu-jinja",
          "schema_version": "matsuri.v1",
          "record_version": 2,
          "created_at": "2026-07-10T00:00:00Z",
          "updated_at": "2026-07-20T00:00:00Z",
          "slug": "chichibu-jinja",
          "entity_type": "shrine",
          "home_surface": "matsuri",
          "tradition_scope": "standalone",
          "names": [
            {
              "value": "秩父神社",
              "lang": "ja",
              "kind": "canonical",
              "is_preferred": true,
              "source_ids": [
                "src-chichibu-yomatsuri",
                "src-chichibu-jinja-saijin"
              ]
            }
          ],
          "summary_ja": "埼玉県秩父市に鎮座し、秩父夜祭の例祭主体となる神社。",
          "geographic_scope": {
            "areas": [
              {
                "prefecture_code": "11",
                "prefecture_name_ja": "埼玉県",
                "municipality_name_ja": "秩父市"
              }
            ],
            "scope_type": "single_site"
          },
          "primary_place_id": "plc-chichibu-jinja",
          "default_place_ids": [
            "plc-chichibu-jinja"
          ],
          "external_links": [
            {
              "kind": "official_website",
              "platform": "web",
              "url": "https://www.chichibu-jinja.or.jp/",
              "is_primary": true,
              "officiality": "official_organization",
              "last_checked_at": "2026-07-10"
            }
          ],
          "record_lifecycle": "active"
        }
      }
    ],
    "designations": [],
    "images": [],
    "evidence": [
      {
        "evidence": {
          "id": "evd-chichibu-recurrence",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-chichibu-yomatsuri",
          "target_type": "recurrence_pattern",
          "target_id": "rec-chichibu-yomatsuri-annual",
          "assertion_code": "supports_recurrence",
          "summary_ja": "秩父神社公式ページは12月2日の神事と翌3日の夜祭・神幸祭の流れを説明している。",
          "captured_at": "2026-07-10",
          "review_status": "approved"
        },
        "source": {
          "id": "src-chichibu-yomatsuri",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "shrine_official",
          "title": "秩父夜祭",
          "publisher": "秩父神社",
          "url": "https://www.chichibu-jinja.or.jp/yomatsuri/",
          "accessed_at": "2026-07-10",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-chichibu-state",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-chichibu-yomatsuri",
          "target_type": "state_snapshot",
          "target_id": "sts-chichibu-current",
          "assertion_code": "supports_current_state",
          "summary_ja": "秩父神社公式ページが秩父夜祭を現在の年次大祭として案内している。",
          "captured_at": "2026-07-10",
          "review_status": "approved"
        },
        "source": {
          "id": "src-chichibu-yomatsuri",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "shrine_official",
          "title": "秩父夜祭",
          "publisher": "秩父神社",
          "url": "https://www.chichibu-jinja.or.jp/yomatsuri/",
          "accessed_at": "2026-07-10",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-chichibu-yomatsuri-format-2020",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-chichibu-yomatsuri-2020",
          "target_type": "change_event",
          "target_id": "chg-chichibu-yomatsuri-format-changed-2020",
          "assertion_code": "supports_change_event",
          "summary_ja": "秩父市公式観光ブログは2020年に山車の曳行などを中止し、秩父神社の神事と御神幸行列を実施したと記録している。",
          "captured_at": "2026-07-28",
          "review_status": "approved"
        },
        "source": {
          "id": "src-chichibu-yomatsuri-2020",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "public_authority",
          "title": "今年の秩父夜祭はご自宅で！",
          "publisher": "秩父市（秩父観光なび）",
          "url": "https://navi.city.chichibu.lg.jp/blog/2020/11/4120/",
          "accessed_at": "2026-07-28",
          "language": "ja",
          "published_at": "2020-11-24"
        }
      },
      {
        "evidence": {
          "id": "evd-chichibu-yomatsuri-format-2021",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-chichibu-yomatsuri-2021",
          "target_type": "change_event",
          "target_id": "chg-chichibu-yomatsuri-format-changed-2021",
          "assertion_code": "supports_change_event",
          "summary_ja": "秩父市は2021年に笠鉾・屋台曳行と花火大会を中止し、祭典と御神幸祭を縮小して実施すると公表した。",
          "captured_at": "2026-07-28",
          "review_status": "approved"
        },
        "source": {
          "id": "src-chichibu-yomatsuri-2021",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "public_authority",
          "title": "令和3年の秩父夜祭について",
          "publisher": "秩父市（秩父観光なび）",
          "url": "https://navi.city.chichibu.lg.jp/info/2021/10/16279/",
          "accessed_at": "2026-07-28",
          "language": "ja",
          "published_at": "2021-10-20"
        }
      },
      {
        "evidence": {
          "id": "evd-chichibu-yomatsuri-occ-2020",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-chichibu-yomatsuri-2020",
          "target_type": "occurrence",
          "target_id": "occ-chichibu-yomatsuri-2020",
          "assertion_code": "supports_occurrence",
          "summary_ja": "秩父市公式観光ブログは2020年12月3日に御神幸行列と奉納花火を実施したことを案内している。",
          "captured_at": "2026-07-28",
          "review_status": "approved"
        },
        "source": {
          "id": "src-chichibu-yomatsuri-2020",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "public_authority",
          "title": "今年の秩父夜祭はご自宅で！",
          "publisher": "秩父市（秩父観光なび）",
          "url": "https://navi.city.chichibu.lg.jp/blog/2020/11/4120/",
          "accessed_at": "2026-07-28",
          "language": "ja",
          "published_at": "2020-11-24"
        }
      },
      {
        "evidence": {
          "id": "evd-chichibu-yomatsuri-occ-2021",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-chichibu-yomatsuri-2021",
          "target_type": "occurrence",
          "target_id": "occ-chichibu-yomatsuri-2021",
          "assertion_code": "supports_occurrence",
          "summary_ja": "秩父市の案内は2021年12月2日・3日に縮小した神事と御神幸祭を行ったことを裏付ける。",
          "captured_at": "2026-07-28",
          "review_status": "approved"
        },
        "source": {
          "id": "src-chichibu-yomatsuri-2021",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "public_authority",
          "title": "令和3年の秩父夜祭について",
          "publisher": "秩父市（秩父観光なび）",
          "url": "https://navi.city.chichibu.lg.jp/info/2021/10/16279/",
          "accessed_at": "2026-07-28",
          "language": "ja",
          "published_at": "2021-10-20"
        }
      },
      {
        "evidence": {
          "id": "evd-chichibu-yomatsuri-occ-2025",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-chichibu-yomatsuri-2025",
          "target_type": "occurrence",
          "target_id": "occ-chichibu-yomatsuri-2025",
          "assertion_code": "supports_occurrence",
          "summary_ja": "秩父市の2025年案内は12月2日・3日の開催日程、笠鉾・屋台巡行、花火大会、屋台芝居を掲載し、通常開催を裏付ける。",
          "captured_at": "2026-07-28",
          "review_status": "approved"
        },
        "source": {
          "id": "src-chichibu-yomatsuri-2025",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "public_authority",
          "title": "令和7年 秩父夜祭について",
          "publisher": "秩父市（秩父観光なび）",
          "url": "https://navi.city.chichibu.lg.jp/info/2025/11/28217/",
          "accessed_at": "2026-07-28",
          "language": "ja",
          "published_at": "2025-11-12"
        }
      },
      {
        "evidence": {
          "id": "evd-rel-chichibu-shrine",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-chichibu-yomatsuri",
          "target_type": "relation",
          "target_id": "rel-chichibu-associated-with-shrine",
          "assertion_code": "supports_relation",
          "summary_ja": "秩父神社公式ページは秩父夜祭を同社の年に一度の大祭と説明している。",
          "captured_at": "2026-07-10",
          "review_status": "approved"
        },
        "source": {
          "id": "src-chichibu-yomatsuri",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "shrine_official",
          "title": "秩父夜祭",
          "publisher": "秩父神社",
          "url": "https://www.chichibu-jinja.or.jp/yomatsuri/",
          "accessed_at": "2026-07-10",
          "language": "ja"
        }
      }
    ],
    "sources": [
      {
        "id": "src-chichibu-yomatsuri",
        "schema_version": "common.v1",
        "record_version": 1,
        "source_type": "shrine_official",
        "title": "秩父夜祭",
        "publisher": "秩父神社",
        "url": "https://www.chichibu-jinja.or.jp/yomatsuri/",
        "accessed_at": "2026-07-10",
        "language": "ja"
      },
      {
        "id": "src-chichibu-yomatsuri-2020",
        "schema_version": "common.v1",
        "record_version": 1,
        "source_type": "public_authority",
        "title": "今年の秩父夜祭はご自宅で！",
        "publisher": "秩父市（秩父観光なび）",
        "url": "https://navi.city.chichibu.lg.jp/blog/2020/11/4120/",
        "accessed_at": "2026-07-28",
        "language": "ja",
        "published_at": "2020-11-24"
      },
      {
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