{"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":"4202784","name":"Mobil Mine 2"},"operator":{"type":"operator","id":"0060844","name":"Rollins Construction and Trucking LLC"},"controller":{"type":"controller","id":"0193321","name":"Amber Dawn  Rollins; Richard Kelly  Rollins"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0050751","name":"Toni L  Rollins et al"},"object":{"type":"mine","id":"4202784","name":"Mobil Mine 2"},"validFrom":"2005-06-15","validTo":"2025-04-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202784|0050751|2005-06-15|2025-04-07"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0193321","name":"Amber Dawn  Rollins et al"},"object":{"type":"mine","id":"4202784","name":"Mobil Mine 2"},"validFrom":"2025-04-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202784|0193321|2025-04-08|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0060844","name":"Rollins Construction and Trucking LLC"},"object":{"type":"mine","id":"4202784","name":"Mobil Mine 2"},"validFrom":"2025-05-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202784|0060844|2025-05-21|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0050751","name":"Toni L  Rollins et al"},"object":{"type":"operator","id":"0060844","name":"Rollins Construction and Trucking LLC"},"validFrom":"2025-05-21","validTo":"2025-04-07","current":false,"derived":true,"evidenceMineId":"4202784","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202784|0060844|2025-05-21|0050751|2005-06-15|6386"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0050751","name":"Richard W  Rollins et al"},"object":{"type":"operator","id":"0060844","name":"Rollins Construction and Trucking LLC"},"validFrom":"2025-05-21","validTo":"2025-04-07","current":false,"derived":true,"evidenceMineId":"4202784","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202784|0060844|2025-05-21|0050751|2005-06-15|6387"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0193321","name":"Amber Dawn  Rollins et al"},"object":{"type":"operator","id":"0060844","name":"Rollins Construction and Trucking LLC"},"validFrom":"2025-05-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"4202784","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202784|0060844|2025-05-21|0193321|2025-04-08|41094"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0193321","name":"Richard Kelly  Rollins et al"},"object":{"type":"operator","id":"0060844","name":"Rollins Construction and Trucking LLC"},"validFrom":"2025-05-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"4202784","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202784|0060844|2025-05-21|0193321|2025-04-08|41095"}}],"coverage":{"historyRecords":4,"edgeCount":7,"intervalAnomalies":2,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4202784","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"}}