{"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":"4703175","name":"RSP - Lime Plant"},"operator":{"type":"operator","id":"L16300","name":"Ridge Stone Products Inc"},"controller":{"type":"controller","id":"0185020","name":"Greg  Darnick"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16300","name":"Ridge Stone Products Inc"},"object":{"type":"mine","id":"4703175","name":"RSP - Lime Plant"},"validFrom":"1999-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703175|L16300|1999-02-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12469","name":"Ron  Darnick et al"},"object":{"type":"mine","id":"4703175","name":"RSP - Lime Plant"},"validFrom":"1999-02-01","validTo":"2022-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703175|M12469|1999-02-01|2022-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12469","name":"Ron  Darnick et al"},"object":{"type":"operator","id":"L16300","name":"Ridge Stone Products Inc"},"validFrom":"1999-02-01","validTo":"2022-12-31","current":false,"derived":true,"evidenceMineId":"4703175","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703175|L16300|1999-02-01|M12469|1999-02-01|153805"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12469","name":"Sharon  Darnick et al"},"object":{"type":"operator","id":"L16300","name":"Ridge Stone Products Inc"},"validFrom":"1999-02-01","validTo":"2022-12-31","current":false,"derived":true,"evidenceMineId":"4703175","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703175|L16300|1999-02-01|M12469|1999-02-01|153806"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0176121","name":"Ron  Darnick et al"},"object":{"type":"mine","id":"4703175","name":"RSP - Lime Plant"},"validFrom":"2023-01-01","validTo":"2023-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703175|0176121|2023-01-01|2023-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0176121","name":"Ron  Darnick et al"},"object":{"type":"operator","id":"L16300","name":"Ridge Stone Products Inc"},"validFrom":"2023-01-01","validTo":"2023-12-31","current":false,"derived":true,"evidenceMineId":"4703175","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703175|L16300|1999-02-01|0176121|2023-01-01|37567"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0176121","name":"Greg  Darnick et al"},"object":{"type":"operator","id":"L16300","name":"Ridge Stone Products Inc"},"validFrom":"2023-01-01","validTo":"2023-12-31","current":false,"derived":true,"evidenceMineId":"4703175","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703175|L16300|1999-02-01|0176121|2023-01-01|37568"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0185020","name":"Greg  Darnick"},"object":{"type":"mine","id":"4703175","name":"RSP - Lime Plant"},"validFrom":"2024-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703175|0185020|2024-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0185020","name":"Greg  Darnick"},"object":{"type":"operator","id":"L16300","name":"Ridge Stone Products Inc"},"validFrom":"2024-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4703175","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703175|L16300|1999-02-01|0185020|2024-01-01|39506"}}],"coverage":{"historyRecords":5,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4703175","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"}}