{"data":{"schemaVersion":"realm.temporal-relationships.v1","temporalSemantics":{"validTime":{"granularity":"date","bounds":"inclusive","nullStart":"start date not published in the upstream history row","nullEnd":"open-ended in the upstream history row; not independent proof of present control"},"transactionTime":{"observedAt":"2026-10-13T11:19:05.459773+00:00","meaning":"time the checksum-addressed MDRS artifacts were observed by the PostgreSQL ingestion"},"derivation":{"controllerControlsOperator":"intersection of controller and operator valid-time intervals evidenced through this mine","currentIdentity":"current controller and operator are asserted only by the MDRS Mines snapshot"}},"current":{"mine":{"type":"mine","id":"4406040","name":"No 3"},"operator":{"type":"operator","id":"P12096","name":"Cantrell Mining Company Inc"},"controller":{"type":"controller","id":"C08978","name":"Cantrell Guy S"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08978","name":"Cantrell Guy S"},"object":{"type":"mine","id":"4406040","name":"No 3"},"validFrom":"1981-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406040|C08978|1981-08-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14066","name":"Cantrell Anita"},"object":{"type":"mine","id":"4406040","name":"No 3"},"validFrom":"1983-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406040|C14066|1983-02-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14844","name":"A G M Coal Company Inc"},"object":{"type":"mine","id":"4406040","name":"No 3"},"validFrom":"1983-11-01","validTo":"1984-03-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406040|P14844|1983-11-01|1984-03-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14066","name":"Cantrell Anita"},"object":{"type":"operator","id":"P14844","name":"A G M Coal Company Inc"},"validFrom":"1983-11-01","validTo":"1984-03-21","current":false,"derived":true,"evidenceMineId":"4406040","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406040|P14844|1983-11-01|C14066|1983-02-01|91922"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P15299","name":"Double D & R Coal Company"},"object":{"type":"mine","id":"4406040","name":"No 3"},"validFrom":"1984-03-22","validTo":"1984-04-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406040|P15299|1984-03-22|1984-04-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02040","name":"Dingus Lowell Et Al"},"object":{"type":"mine","id":"4406040","name":"No 3"},"validFrom":"1984-03-22","validTo":"1984-04-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406040|C02040|1984-03-22|1984-04-18"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02040","name":"Dingus Lowell Et Al"},"object":{"type":"operator","id":"P15299","name":"Double D & R Coal Company"},"validFrom":"1984-03-22","validTo":"1984-04-18","current":false,"derived":true,"evidenceMineId":"4406040","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406040|P15299|1984-03-22|C02040|1984-03-22|57251"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14844","name":"A G M Coal Company Inc"},"object":{"type":"mine","id":"4406040","name":"No 3"},"validFrom":"1984-04-19","validTo":"1984-08-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406040|P14844|1984-04-19|1984-08-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14066","name":"Cantrell Anita"},"object":{"type":"operator","id":"P14844","name":"A G M Coal Company Inc"},"validFrom":"1984-04-19","validTo":"1984-08-19","current":false,"derived":true,"evidenceMineId":"4406040","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406040|P14844|1984-04-19|C14066|1983-02-01|91923"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P12096","name":"Cantrell Mining Company Inc"},"object":{"type":"mine","id":"4406040","name":"No 3"},"validFrom":"1984-08-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406040|P12096|1984-08-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08978","name":"Cantrell Guy S"},"object":{"type":"operator","id":"P12096","name":"Cantrell Mining Company Inc"},"validFrom":"1984-08-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"4406040","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406040|P12096|1984-08-20|C08978|1981-08-01|78587"}}],"coverage":{"historyRecords":4,"edgeCount":11,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4406040","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}