{"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":"2026-10-17T05:35:58.500035+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":"1511018","name":"Mine #1"},"operator":{"type":"operator","id":"P19337","name":"J O S Coal Inc"},"controller":{"type":"controller","id":"C13299","name":"Sexton James O"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P08451","name":"H & A Coal Company"},"object":{"type":"mine","id":"1511018","name":"Mine #1"},"validFrom":"1977-12-01","validTo":"1984-01-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511018|P08451|1977-12-01|1984-01-11"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01290","name":"Anderson Ronald"},"object":{"type":"mine","id":"1511018","name":"Mine #1"},"validFrom":"1977-12-01","validTo":"1984-01-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511018|C01290|1977-12-01|1984-01-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01290","name":"Anderson Ronald"},"object":{"type":"operator","id":"P08451","name":"H & A Coal Company"},"validFrom":"1977-12-01","validTo":"1984-01-11","current":false,"derived":true,"evidenceMineId":"1511018","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511018|P08451|1977-12-01|C01290|1977-12-01|53322"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02126","name":"Hall Charles D"},"object":{"type":"mine","id":"1511018","name":"Mine #1"},"validFrom":"1981-09-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511018|C02126|1981-09-09|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P12487","name":"Brush Creek Coal Inc"},"object":{"type":"mine","id":"1511018","name":"Mine #1"},"validFrom":"1984-01-12","validTo":"1987-11-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511018|P12487|1984-01-12|1987-11-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02126","name":"Hall Charles D"},"object":{"type":"operator","id":"P12487","name":"Brush Creek Coal Inc"},"validFrom":"1984-01-12","validTo":"1987-11-11","current":false,"derived":true,"evidenceMineId":"1511018","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511018|P12487|1984-01-12|C02126|1981-09-09|57573"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19337","name":"J O S Coal Inc"},"object":{"type":"mine","id":"1511018","name":"Mine #1"},"validFrom":"1987-11-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511018|P19337|1987-11-12|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13299","name":"Sexton James O"},"object":{"type":"mine","id":"1511018","name":"Mine #1"},"validFrom":"1987-11-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511018|C13299|1987-11-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13299","name":"Sexton James O"},"object":{"type":"operator","id":"P19337","name":"J O S Coal Inc"},"validFrom":"1987-11-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"1511018","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511018|P19337|1987-11-12|C13299|1987-11-12|89204"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1511018","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}