{
  "project_id": "yukue-series",
  "site_id": "matsuri",
  "record_type": "entity_detail",
  "record": {
    "entity": {
      "id": "fst-sawara-grand-festival",
      "schema_version": "matsuri.v1",
      "record_version": 1,
      "created_at": "2026-07-29T00:00:00Z",
      "updated_at": "2026-07-29T00:00:00Z",
      "slug": "sawara-grand-festival",
      "entity_type": "festival",
      "home_surface": "matsuri",
      "tradition_scope": "umbrella",
      "names": [
        {
          "value": "佐原の大祭",
          "lang": "ja",
          "kind": "canonical",
          "is_preferred": true,
          "source_ids": [
            "src-sawara-grand-overview"
          ]
        }
      ],
      "summary_ja": "香取市佐原で行われる、八坂神社祇園祭の夏祭りと諏訪神社秋祭りを合わせた山車祭の総称。",
      "geographic_scope": {
        "areas": [
          {
            "prefecture_code": "12",
            "prefecture_name_ja": "千葉県",
            "municipality_name_ja": "香取市"
          }
        ],
        "scope_type": "multi_area",
        "description_ja": "小野川東岸の本宿地区で行う夏祭りと、西岸の新宿地区で行う秋祭りから構成される。"
      },
      "primary_place_id": "plc-sawara-honjuku-area",
      "default_place_ids": [
        "plc-sawara-honjuku-area",
        "plc-sawara-shinjuku-area",
        "plc-sawara-yasaka-jinja",
        "plc-sawara-suwa-jinja"
      ],
      "external_links": [
        {
          "kind": "official_website",
          "platform": "web",
          "url": "https://www.city.katori.lg.jp/sightseeing/matsuri/",
          "is_primary": true,
          "officiality": "public_authority",
          "last_checked_at": "2026-07-29"
        }
      ],
      "record_lifecycle": "active",
      "festival_kind": "composite_festival",
      "usual_months": [
        7,
        10
      ],
      "usual_duration_days": 3,
      "season_tags": [
        "夏",
        "秋"
      ],
      "occurrence_series_ids": [
        "ser-sawara-summer-annual",
        "ser-sawara-autumn-annual"
      ]
    },
    "current_state": {
      "entity_id": "fst-sawara-grand-festival",
      "snapshot_id": "sts-sawara-grand-current",
      "state_schema": "matsuri.festival.v1",
      "state_code": "active",
      "observed_at": "2026-07-29",
      "basis_evidence_ids": [
        "evd-sawara-grand-state"
      ]
    },
    "places": [
      {
        "id": "plc-sawara-honjuku-area",
        "schema_version": "common.v1",
        "record_version": 1,
        "name_ja": "佐原本宿地区",
        "place_kind": "community_area",
        "country_code": "JP",
        "prefecture_code": "12",
        "prefecture_name_ja": "千葉県",
        "municipality_name_ja": "香取市",
        "locality_ja": "佐原・小野川東岸",
        "coordinate_precision": "area",
        "source_ids": [
          "src-sawara-grand-overview"
        ]
      },
      {
        "id": "plc-sawara-shinjuku-area",
        "schema_version": "common.v1",
        "record_version": 1,
        "name_ja": "佐原新宿地区",
        "place_kind": "community_area",
        "country_code": "JP",
        "prefecture_code": "12",
        "prefecture_name_ja": "千葉県",
        "municipality_name_ja": "香取市",
        "locality_ja": "佐原・小野川西岸",
        "coordinate_precision": "area",
        "source_ids": [
          "src-sawara-grand-overview"
        ]
      },
      {
        "id": "plc-sawara-yasaka-jinja",
        "schema_version": "common.v1",
        "record_version": 1,
        "name_ja": "八坂神社",
        "place_kind": "shrine",
        "country_code": "JP",
        "prefecture_code": "12",
        "prefecture_name_ja": "千葉県",
        "municipality_name_ja": "香取市",
        "locality_ja": "佐原イ3360番地",
        "coordinate_precision": "venue",
        "source_ids": [
          "src-sawara-shrine-directory"
        ]
      },
      {
        "id": "plc-sawara-suwa-jinja",
        "schema_version": "common.v1",
        "record_version": 1,
        "name_ja": "諏訪神社",
        "place_kind": "shrine",
        "country_code": "JP",
        "prefecture_code": "12",
        "prefecture_name_ja": "千葉県",
        "municipality_name_ja": "香取市",
        "locality_ja": "佐原イ1020番地3",
        "coordinate_precision": "venue",
        "source_ids": [
          "src-sawara-shrine-directory"
        ]
      }
    ],
    "latest_occurrence": {
      "id": "occ-sawara-autumn-2026",
      "schema_version": "matsuri.v1",
      "record_version": 1,
      "subject_entity_id": "fst-sawara-grand-festival",
      "series_id": "ser-sawara-autumn-annual",
      "occurrence_type": "festival_edition",
      "temporal_extent": {
        "start": "2026-10-09",
        "end": "2026-10-11",
        "precision": "range"
      },
      "outcome": "scheduled",
      "scale": "normal",
      "venue_place_ids": [
        "plc-sawara-suwa-jinja",
        "plc-sawara-shinjuku-area"
      ],
      "organizer_entity_ids": [],
      "evidence_ids": [
        "evd-sawara-autumn-occ-2026"
      ],
      "review_status": "approved"
    },
    "occurrence_history": [
      {
        "id": "occ-sawara-autumn-2026",
        "schema_version": "matsuri.v1",
        "record_version": 1,
        "subject_entity_id": "fst-sawara-grand-festival",
        "series_id": "ser-sawara-autumn-annual",
        "occurrence_type": "festival_edition",
        "temporal_extent": {
          "start": "2026-10-09",
          "end": "2026-10-11",
          "precision": "range"
        },
        "outcome": "scheduled",
        "scale": "normal",
        "venue_place_ids": [
          "plc-sawara-suwa-jinja",
          "plc-sawara-shinjuku-area"
        ],
        "organizer_entity_ids": [],
        "evidence_ids": [
          "evd-sawara-autumn-occ-2026"
        ],
        "review_status": "approved"
      },
      {
        "id": "occ-sawara-autumn-2023",
        "schema_version": "matsuri.v1",
        "record_version": 1,
        "subject_entity_id": "fst-sawara-grand-festival",
        "series_id": "ser-sawara-autumn-annual",
        "occurrence_type": "festival_edition",
        "temporal_extent": {
          "start": "2023",
          "end": "2023",
          "precision": "year"
        },
        "outcome": "held",
        "scale": "unknown",
        "venue_place_ids": [
          "plc-sawara-suwa-jinja",
          "plc-sawara-shinjuku-area"
        ],
        "organizer_entity_ids": [],
        "evidence_ids": [
          "evd-sawara-autumn-occ-2023"
        ],
        "review_status": "approved"
      },
      {
        "id": "occ-sawara-summer-2022",
        "schema_version": "matsuri.v1",
        "record_version": 1,
        "subject_entity_id": "fst-sawara-grand-festival",
        "series_id": "ser-sawara-summer-annual",
        "occurrence_type": "festival_edition",
        "temporal_extent": {
          "start": "2022",
          "end": "2022",
          "precision": "year"
        },
        "outcome": "held",
        "scale": "unknown",
        "venue_place_ids": [
          "plc-sawara-yasaka-jinja",
          "plc-sawara-honjuku-area"
        ],
        "organizer_entity_ids": [],
        "evidence_ids": [
          "evd-sawara-summer-occ-2022"
        ],
        "review_status": "approved"
      },
      {
        "id": "occ-sawara-autumn-2021",
        "schema_version": "matsuri.v1",
        "record_version": 1,
        "subject_entity_id": "fst-sawara-grand-festival",
        "series_id": "ser-sawara-autumn-annual",
        "occurrence_type": "festival_edition",
        "temporal_extent": {
          "start": "2021",
          "end": "2021",
          "precision": "year"
        },
        "outcome": "cancelled",
        "scale": "unknown",
        "venue_place_ids": [
          "plc-sawara-suwa-jinja",
          "plc-sawara-shinjuku-area"
        ],
        "organizer_entity_ids": [],
        "evidence_ids": [
          "evd-sawara-autumn-occ-2021"
        ],
        "review_status": "approved"
      },
      {
        "id": "occ-sawara-summer-2021",
        "schema_version": "matsuri.v1",
        "record_version": 1,
        "subject_entity_id": "fst-sawara-grand-festival",
        "series_id": "ser-sawara-summer-annual",
        "occurrence_type": "festival_edition",
        "temporal_extent": {
          "start": "2021",
          "end": "2021",
          "precision": "year"
        },
        "outcome": "cancelled",
        "scale": "unknown",
        "venue_place_ids": [
          "plc-sawara-yasaka-jinja",
          "plc-sawara-honjuku-area"
        ],
        "organizer_entity_ids": [],
        "evidence_ids": [
          "evd-sawara-summer-occ-2021"
        ],
        "review_status": "approved"
      },
      {
        "id": "occ-sawara-autumn-2020",
        "schema_version": "matsuri.v1",
        "record_version": 1,
        "subject_entity_id": "fst-sawara-grand-festival",
        "series_id": "ser-sawara-autumn-annual",
        "occurrence_type": "festival_edition",
        "temporal_extent": {
          "start": "2020",
          "end": "2020",
          "precision": "year"
        },
        "outcome": "cancelled",
        "scale": "unknown",
        "venue_place_ids": [
          "plc-sawara-suwa-jinja",
          "plc-sawara-shinjuku-area"
        ],
        "organizer_entity_ids": [],
        "evidence_ids": [
          "evd-sawara-autumn-occ-2020"
        ],
        "review_status": "approved"
      },
      {
        "id": "occ-sawara-summer-2020",
        "schema_version": "matsuri.v1",
        "record_version": 1,
        "subject_entity_id": "fst-sawara-grand-festival",
        "series_id": "ser-sawara-summer-annual",
        "occurrence_type": "festival_edition",
        "temporal_extent": {
          "start": "2020",
          "end": "2020",
          "precision": "year"
        },
        "outcome": "cancelled",
        "scale": "unknown",
        "venue_place_ids": [
          "plc-sawara-yasaka-jinja",
          "plc-sawara-honjuku-area"
        ],
        "organizer_entity_ids": [],
        "evidence_ids": [
          "evd-sawara-summer-occ-2020"
        ],
        "review_status": "approved"
      }
    ],
    "changes": [
      {
        "id": "chg-sawara-grand-suspension-ended-2022",
        "schema_version": "matsuri.v1",
        "record_version": 1,
        "event_type": "suspension_ended",
        "subject_entity_ids": [
          "fst-sawara-grand-festival"
        ],
        "effective_period": {
          "start": "2022",
          "end": "2022"
        },
        "summary_ja": "2年連続の催行見送り後、2022年の夏祭りが開催され、佐原の大祭の年次開催が再開した。",
        "resulting_state_snapshot_ids": [],
        "related_relation_ids": [
          "rel-sawara-summer-associated-with-yasaka"
        ],
        "evidence_ids": [
          "evd-sawara-grand-suspension-ended-2022"
        ],
        "review_status": "approved"
      },
      {
        "id": "chg-sawara-grand-suspension-2020",
        "schema_version": "matsuri.v1",
        "record_version": 1,
        "event_type": "suspension_started",
        "subject_entity_ids": [
          "fst-sawara-grand-festival"
        ],
        "effective_period": {
          "start": "2020",
          "end": "2021"
        },
        "summary_ja": "新型コロナウイルス感染拡大防止のため、佐原の大祭は2020年と2021年に夏祭り・秋祭りとも催行されなかった。",
        "resulting_state_snapshot_ids": [],
        "related_relation_ids": [
          "rel-sawara-summer-associated-with-yasaka",
          "rel-sawara-autumn-associated-with-suwa"
        ],
        "evidence_ids": [
          "evd-sawara-grand-suspension-2020"
        ],
        "review_status": "approved"
      }
    ],
    "relations": [
      {
        "relation": {
          "id": "rel-sawara-autumn-associated-with-suwa",
          "schema_version": "matsuri.v1",
          "record_version": 1,
          "source_entity_id": "fst-sawara-grand-festival",
          "relation_type": "ritually_associated_with",
          "target_entity_id": "shr-sawara-suwa-jinja",
          "evidence_ids": [
            "evd-rel-sawara-autumn-suwa"
          ],
          "review_status": "approved"
        },
        "direction": "outgoing",
        "source_entity": {
          "id": "fst-sawara-grand-festival",
          "schema_version": "matsuri.v1",
          "record_version": 1,
          "created_at": "2026-07-29T00:00:00Z",
          "updated_at": "2026-07-29T00:00:00Z",
          "slug": "sawara-grand-festival",
          "entity_type": "festival",
          "home_surface": "matsuri",
          "tradition_scope": "umbrella",
          "names": [
            {
              "value": "佐原の大祭",
              "lang": "ja",
              "kind": "canonical",
              "is_preferred": true,
              "source_ids": [
                "src-sawara-grand-overview"
              ]
            }
          ],
          "summary_ja": "香取市佐原で行われる、八坂神社祇園祭の夏祭りと諏訪神社秋祭りを合わせた山車祭の総称。",
          "geographic_scope": {
            "areas": [
              {
                "prefecture_code": "12",
                "prefecture_name_ja": "千葉県",
                "municipality_name_ja": "香取市"
              }
            ],
            "scope_type": "multi_area",
            "description_ja": "小野川東岸の本宿地区で行う夏祭りと、西岸の新宿地区で行う秋祭りから構成される。"
          },
          "primary_place_id": "plc-sawara-honjuku-area",
          "default_place_ids": [
            "plc-sawara-honjuku-area",
            "plc-sawara-shinjuku-area",
            "plc-sawara-yasaka-jinja",
            "plc-sawara-suwa-jinja"
          ],
          "external_links": [
            {
              "kind": "official_website",
              "platform": "web",
              "url": "https://www.city.katori.lg.jp/sightseeing/matsuri/",
              "is_primary": true,
              "officiality": "public_authority",
              "last_checked_at": "2026-07-29"
            }
          ],
          "record_lifecycle": "active",
          "festival_kind": "composite_festival",
          "usual_months": [
            7,
            10
          ],
          "usual_duration_days": 3,
          "season_tags": [
            "夏",
            "秋"
          ],
          "occurrence_series_ids": [
            "ser-sawara-summer-annual",
            "ser-sawara-autumn-annual"
          ]
        },
        "target_entity": {
          "id": "shr-sawara-suwa-jinja",
          "schema_version": "matsuri.v1",
          "record_version": 1,
          "created_at": "2026-07-29T00:00:00Z",
          "updated_at": "2026-07-29T00:00:00Z",
          "slug": "sawara-suwa-jinja",
          "entity_type": "shrine",
          "home_surface": "matsuri",
          "tradition_scope": "standalone",
          "names": [
            {
              "value": "諏訪神社",
              "lang": "ja",
              "kind": "canonical",
              "is_preferred": true,
              "source_ids": [
                "src-sawara-shrine-directory"
              ]
            }
          ],
          "summary_ja": "香取市佐原イ1020番地3に鎮座し、佐原の大祭秋祭りの祭祀的基点となる神社。",
          "geographic_scope": {
            "areas": [
              {
                "prefecture_code": "12",
                "prefecture_name_ja": "千葉県",
                "municipality_name_ja": "香取市"
              }
            ],
            "scope_type": "single_site"
          },
          "primary_place_id": "plc-sawara-suwa-jinja",
          "default_place_ids": [
            "plc-sawara-suwa-jinja"
          ],
          "external_links": [
            {
              "kind": "official_directory",
              "platform": "web",
              "url": "https://www.city.katori.lg.jp/culture_sport/bunkazai/jisha.html",
              "is_primary": true,
              "officiality": "public_authority",
              "last_checked_at": "2026-07-29"
            }
          ],
          "record_lifecycle": "active"
        }
      },
      {
        "relation": {
          "id": "rel-sawara-summer-associated-with-yasaka",
          "schema_version": "matsuri.v1",
          "record_version": 1,
          "source_entity_id": "fst-sawara-grand-festival",
          "relation_type": "ritually_associated_with",
          "target_entity_id": "shr-sawara-yasaka-jinja",
          "valid_period": {
            "start": "1702"
          },
          "evidence_ids": [
            "evd-rel-sawara-summer-yasaka"
          ],
          "review_status": "approved"
        },
        "direction": "outgoing",
        "source_entity": {
          "id": "fst-sawara-grand-festival",
          "schema_version": "matsuri.v1",
          "record_version": 1,
          "created_at": "2026-07-29T00:00:00Z",
          "updated_at": "2026-07-29T00:00:00Z",
          "slug": "sawara-grand-festival",
          "entity_type": "festival",
          "home_surface": "matsuri",
          "tradition_scope": "umbrella",
          "names": [
            {
              "value": "佐原の大祭",
              "lang": "ja",
              "kind": "canonical",
              "is_preferred": true,
              "source_ids": [
                "src-sawara-grand-overview"
              ]
            }
          ],
          "summary_ja": "香取市佐原で行われる、八坂神社祇園祭の夏祭りと諏訪神社秋祭りを合わせた山車祭の総称。",
          "geographic_scope": {
            "areas": [
              {
                "prefecture_code": "12",
                "prefecture_name_ja": "千葉県",
                "municipality_name_ja": "香取市"
              }
            ],
            "scope_type": "multi_area",
            "description_ja": "小野川東岸の本宿地区で行う夏祭りと、西岸の新宿地区で行う秋祭りから構成される。"
          },
          "primary_place_id": "plc-sawara-honjuku-area",
          "default_place_ids": [
            "plc-sawara-honjuku-area",
            "plc-sawara-shinjuku-area",
            "plc-sawara-yasaka-jinja",
            "plc-sawara-suwa-jinja"
          ],
          "external_links": [
            {
              "kind": "official_website",
              "platform": "web",
              "url": "https://www.city.katori.lg.jp/sightseeing/matsuri/",
              "is_primary": true,
              "officiality": "public_authority",
              "last_checked_at": "2026-07-29"
            }
          ],
          "record_lifecycle": "active",
          "festival_kind": "composite_festival",
          "usual_months": [
            7,
            10
          ],
          "usual_duration_days": 3,
          "season_tags": [
            "夏",
            "秋"
          ],
          "occurrence_series_ids": [
            "ser-sawara-summer-annual",
            "ser-sawara-autumn-annual"
          ]
        },
        "target_entity": {
          "id": "shr-sawara-yasaka-jinja",
          "schema_version": "matsuri.v1",
          "record_version": 1,
          "created_at": "2026-07-29T00:00:00Z",
          "updated_at": "2026-07-29T00:00:00Z",
          "slug": "sawara-yasaka-jinja",
          "entity_type": "shrine",
          "home_surface": "matsuri",
          "tradition_scope": "standalone",
          "names": [
            {
              "value": "八坂神社",
              "lang": "ja",
              "kind": "canonical",
              "is_preferred": true,
              "source_ids": [
                "src-sawara-shrine-directory"
              ]
            }
          ],
          "summary_ja": "香取市佐原イ3360番地に鎮座し、佐原の大祭夏祭りである祇園祭の祭祀的基点となる神社。",
          "geographic_scope": {
            "areas": [
              {
                "prefecture_code": "12",
                "prefecture_name_ja": "千葉県",
                "municipality_name_ja": "香取市"
              }
            ],
            "scope_type": "single_site"
          },
          "primary_place_id": "plc-sawara-yasaka-jinja",
          "default_place_ids": [
            "plc-sawara-yasaka-jinja"
          ],
          "external_links": [
            {
              "kind": "official_directory",
              "platform": "web",
              "url": "https://www.city.katori.lg.jp/culture_sport/bunkazai/jisha.html",
              "is_primary": true,
              "officiality": "public_authority",
              "last_checked_at": "2026-07-29"
            }
          ],
          "record_lifecycle": "active"
        }
      }
    ],
    "designations": [
      {
        "id": "des-sawara-dashi-national",
        "schema_version": "common.v1",
        "record_version": 1,
        "designation_name_ja": "国指定重要無形民俗文化財",
        "subject_entity_ids": [
          "fst-sawara-grand-festival"
        ],
        "designation_system": "文化財保護法",
        "designation_level": "国",
        "valid_period": {
          "start": "2004-02-06"
        },
        "evidence_ids": [
          "evd-des-sawara-dashi-national"
        ]
      },
      {
        "id": "des-sawara-dashi-unesco",
        "schema_version": "common.v1",
        "record_version": 1,
        "designation_name_ja": "ユネスコ無形文化遺産代表一覧表「山・鉾・屋台行事」構成行事",
        "subject_entity_ids": [
          "fst-sawara-grand-festival"
        ],
        "designation_system": "無形文化遺産の保護に関する条約",
        "designation_level": "国際",
        "valid_period": {
          "start": "2016-12-01"
        },
        "evidence_ids": [
          "evd-des-sawara-dashi-unesco"
        ]
      }
    ],
    "images": [],
    "evidence": [
      {
        "evidence": {
          "id": "evd-des-sawara-dashi-national",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-grand-overview",
          "target_type": "designation",
          "target_id": "des-sawara-dashi-national",
          "assertion_code": "supports_designation",
          "summary_ja": "香取市は佐原の山車行事が2004年2月6日に国の重要無形民俗文化財へ指定されたと説明している。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-grand-overview",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "佐原の大祭とは",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/matsuri/introduction/index.html",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-des-sawara-dashi-unesco",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-unesco",
          "target_type": "designation",
          "target_id": "des-sawara-dashi-unesco",
          "assertion_code": "supports_designation",
          "summary_ja": "香取市は佐原の山車行事を含む山・鉾・屋台行事が2016年にユネスコ無形文化遺産へ登録されたと記録している。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-unesco",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "佐原の山車行事 ユネスコ無形文化遺産登録決定",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/culture_sport/bunkazai/sekaimukeibunnkaisan/unesco.html",
          "published_at": "2016-12-01",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-rel-sawara-autumn-suwa",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-grand-overview",
          "target_type": "relation",
          "target_id": "rel-sawara-autumn-associated-with-suwa",
          "assertion_code": "supports_relation",
          "summary_ja": "香取市は佐原の大祭秋祭りを諏訪神社秋祭りとして説明している。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-grand-overview",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "佐原の大祭とは",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/matsuri/introduction/index.html",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-rel-sawara-summer-yasaka",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-grand-overview",
          "target_type": "relation",
          "target_id": "rel-sawara-summer-associated-with-yasaka",
          "assertion_code": "supports_relation",
          "summary_ja": "香取市は佐原の大祭夏祭りを八坂神社祇園祭として説明している。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-grand-overview",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "佐原の大祭とは",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/matsuri/introduction/index.html",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-sawara-autumn-occ-2020",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-cancel-2020-2021",
          "target_type": "occurrence",
          "target_id": "occ-sawara-autumn-2020",
          "assertion_code": "supports_occurrence",
          "summary_ja": "香取市の記録は2020年の秋祭りが催行されなかったことを示す。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-cancel-2020-2021",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "江戸優り 佐原の大祭 ポスター 令和元年～",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/matsuri/gallery/poster_photo/taisaiposuta2019-.html",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-sawara-autumn-occ-2021",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-cancel-2020-2021",
          "target_type": "occurrence",
          "target_id": "occ-sawara-autumn-2021",
          "assertion_code": "supports_occurrence",
          "summary_ja": "香取市の記録は2021年の秋祭りが催行されなかったことを示す。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-cancel-2020-2021",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "江戸優り 佐原の大祭 ポスター 令和元年～",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/matsuri/gallery/poster_photo/taisaiposuta2019-.html",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-sawara-autumn-occ-2023",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-photo-awards-2023",
          "target_type": "occurrence",
          "target_id": "occ-sawara-autumn-2023",
          "assertion_code": "supports_occurrence",
          "summary_ja": "香取市の2023年度入賞作品には秋祭りと年番引継ぎ行事を記録した作品が掲載されている。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-photo-awards-2023",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "令和5年度 入賞作品",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/gallery/photo-gallery/R5_picture.html",
          "published_at": "2023-12-08",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-sawara-autumn-occ-2026",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-autumn-schedule-2026",
          "target_type": "occurrence",
          "target_id": "occ-sawara-autumn-2026",
          "assertion_code": "supports_occurrence",
          "summary_ja": "香取市の2026年案内は秋祭りを10月9日から11日まで開催予定として掲載している。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-autumn-schedule-2026",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "Sawara Grand Festival",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/multilingual/en/en-matsuri.html",
          "published_at": "2026-06-17",
          "accessed_at": "2026-07-29",
          "language": "en"
        }
      },
      {
        "evidence": {
          "id": "evd-sawara-autumn-recurrence",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-grand-overview",
          "target_type": "recurrence_pattern",
          "target_id": "rec-sawara-autumn-annual",
          "assertion_code": "supports_recurrence_pattern",
          "summary_ja": "香取市は秋祭りを10月第2土曜日を中日とする金・土・日曜日に行うと説明している。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-grand-overview",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "佐原の大祭とは",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/matsuri/introduction/index.html",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-sawara-grand-identity",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-grand-overview",
          "target_type": "entity_identity",
          "target_id": "fst-sawara-grand-festival",
          "assertion_code": "supports_entity_identity",
          "summary_ja": "香取市は佐原の大祭を、八坂神社祇園祭の夏祭りと諏訪神社秋祭りの総称として説明している。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-grand-overview",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "佐原の大祭とは",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/matsuri/introduction/index.html",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-sawara-grand-state",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-autumn-schedule-2026",
          "target_type": "state_snapshot",
          "target_id": "sts-sawara-grand-current",
          "assertion_code": "supports_current_state",
          "summary_ja": "香取市の現行案内は2026年秋祭りを10月9日から11日まで開催予定として掲載している。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-autumn-schedule-2026",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "Sawara Grand Festival",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/multilingual/en/en-matsuri.html",
          "published_at": "2026-06-17",
          "accessed_at": "2026-07-29",
          "language": "en"
        }
      },
      {
        "evidence": {
          "id": "evd-sawara-grand-suspension-2020",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-cancel-2020-2021",
          "target_type": "change_event",
          "target_id": "chg-sawara-grand-suspension-2020",
          "assertion_code": "supports_change_event",
          "summary_ja": "香取市は2020年と2021年について、感染拡大防止のため夏祭り・秋祭りとも催行されなかったと明記している。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-cancel-2020-2021",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "江戸優り 佐原の大祭 ポスター 令和元年～",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/matsuri/gallery/poster_photo/taisaiposuta2019-.html",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-sawara-grand-suspension-ended-2022",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-photo-awards-2022",
          "target_type": "change_event",
          "target_id": "chg-sawara-grand-suspension-ended-2022",
          "assertion_code": "supports_change_event",
          "summary_ja": "香取市の2022年度写真コンクール入賞作品に「佐原の夏祭り」が掲載され、2年の催行見送り後の開催再開を裏付ける。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-photo-awards-2022",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "令和4年度 入賞作品",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/gallery/photo-gallery/R4_photo_award.html",
          "published_at": "2022-12-12",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-sawara-honjuku-place",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-grand-overview",
          "target_type": "place",
          "target_id": "plc-sawara-honjuku-area",
          "assertion_code": "supports_place",
          "summary_ja": "香取市は小野川東岸を本宿とし、夏祭りを本宿地区の祭礼として説明している。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-grand-overview",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "佐原の大祭とは",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/matsuri/introduction/index.html",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-sawara-shinjuku-place",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-grand-overview",
          "target_type": "place",
          "target_id": "plc-sawara-shinjuku-area",
          "assertion_code": "supports_place",
          "summary_ja": "香取市は小野川西岸を新宿とし、秋祭りを新宿地区の祭礼として説明している。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-grand-overview",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "佐原の大祭とは",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/matsuri/introduction/index.html",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-sawara-summer-occ-2020",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-cancel-2020-2021",
          "target_type": "occurrence",
          "target_id": "occ-sawara-summer-2020",
          "assertion_code": "supports_occurrence",
          "summary_ja": "香取市の記録は2020年の夏祭りが催行されなかったことを示す。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-cancel-2020-2021",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "江戸優り 佐原の大祭 ポスター 令和元年～",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/matsuri/gallery/poster_photo/taisaiposuta2019-.html",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-sawara-summer-occ-2021",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-cancel-2020-2021",
          "target_type": "occurrence",
          "target_id": "occ-sawara-summer-2021",
          "assertion_code": "supports_occurrence",
          "summary_ja": "香取市の記録は2021年の夏祭りが催行されなかったことを示す。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-cancel-2020-2021",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "江戸優り 佐原の大祭 ポスター 令和元年～",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/matsuri/gallery/poster_photo/taisaiposuta2019-.html",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-sawara-summer-occ-2022",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-photo-awards-2022",
          "target_type": "occurrence",
          "target_id": "occ-sawara-summer-2022",
          "assertion_code": "supports_occurrence",
          "summary_ja": "香取市の2022年度入賞作品は同年の佐原の夏祭りの開催実績を記録している。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-photo-awards-2022",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "令和4年度 入賞作品",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/gallery/photo-gallery/R4_photo_award.html",
          "published_at": "2022-12-12",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-sawara-summer-recurrence",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-grand-overview",
          "target_type": "recurrence_pattern",
          "target_id": "rec-sawara-summer-annual",
          "assertion_code": "supports_recurrence_pattern",
          "summary_ja": "香取市は夏祭りを7月10日以降の金・土・日曜日に行うと説明している。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-grand-overview",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "佐原の大祭とは",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/sightseeing/matsuri/introduction/index.html",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-sawara-suwa-place",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-shrine-directory",
          "target_type": "place",
          "target_id": "plc-sawara-suwa-jinja",
          "assertion_code": "supports_place",
          "summary_ja": "香取市の寺社一覧は諏訪神社の所在地を佐原イ1020番地3と掲載している。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-shrine-directory",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "市内の寺社",
          "publisher": "香取市",
          "url": "https://www.city.katori.lg.jp/culture_sport/bunkazai/jisha.html",
          "accessed_at": "2026-07-29",
          "language": "ja"
        }
      },
      {
        "evidence": {
          "id": "evd-sawara-yasaka-place",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_id": "src-sawara-shrine-directory",
          "target_type": "place",
          "target_id": "plc-sawara-yasaka-jinja",
          "assertion_code": "supports_place",
          "summary_ja": "香取市の寺社一覧は八坂神社の所在地を佐原イ3360番地と掲載している。",
          "captured_at": "2026-07-29",
          "review_status": "approved"
        },
        "source": {
          "id": "src-sawara-shrine-directory",
          "schema_version": "common.v1",
          "record_version": 1,
          "source_type": "municipality",
          "title": "市内の寺社",
          "publisher": "香取市",
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