{"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":"4605296","name":"Stoney Road No 2 Strip"},"operator":{"type":"operator","id":"P07121","name":"M L M Corp"},"controller":{"type":"controller","id":"C00696","name":"White Richard N"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02799","name":"Yanero Mike"},"object":{"type":"mine","id":"4605296","name":"Stoney Road No 2 Strip"},"validFrom":"1975-08-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4605296|C02799|1975-08-19|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P03377","name":"West Virginia Fuels Inc"},"object":{"type":"mine","id":"4605296","name":"Stoney Road No 2 Strip"},"validFrom":"1976-09-01","validTo":"1979-10-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4605296|P03377|1976-09-01|1979-10-22"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02799","name":"Yanero Mike"},"object":{"type":"operator","id":"P03377","name":"West Virginia Fuels Inc"},"validFrom":"1976-09-01","validTo":"1979-10-22","current":false,"derived":true,"evidenceMineId":"4605296","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4605296|P03377|1976-09-01|C02799|1975-08-19|60837"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00696","name":"White Richard N"},"object":{"type":"mine","id":"4605296","name":"Stoney Road No 2 Strip"},"validFrom":"1977-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4605296|C00696|1977-08-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11147","name":"Hamilton Contracting Inc"},"object":{"type":"mine","id":"4605296","name":"Stoney Road No 2 Strip"},"validFrom":"1979-10-23","validTo":"1980-08-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4605296|P11147|1979-10-23|1980-08-20"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06362","name":"Hamilton Jack F"},"object":{"type":"mine","id":"4605296","name":"Stoney Road No 2 Strip"},"validFrom":"1979-10-23","validTo":"1980-08-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4605296|C06362|1979-10-23|1980-08-20"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06362","name":"Hamilton Jack F"},"object":{"type":"operator","id":"P11147","name":"Hamilton Contracting Inc"},"validFrom":"1979-10-23","validTo":"1980-08-20","current":false,"derived":true,"evidenceMineId":"4605296","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4605296|P11147|1979-10-23|C06362|1979-10-23|71604"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P07121","name":"M L M Corp"},"object":{"type":"mine","id":"4605296","name":"Stoney Road No 2 Strip"},"validFrom":"1980-08-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4605296|P07121|1980-08-21|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00696","name":"White Richard N"},"object":{"type":"operator","id":"P07121","name":"M L M Corp"},"validFrom":"1980-08-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"4605296","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4605296|P07121|1980-08-21|C00696|1977-08-01|49481"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4605296","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"}}