{"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":"0503791","name":"CRUSHER"},"operator":{"type":"operator","id":"0151735","name":"Grand Gravel Pit LLC"},"controller":{"type":"controller","id":"0194480","name":"Jerry Bud  Carpenter"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L35646","name":"Linke Construction Inc"},"object":{"type":"mine","id":"0503791","name":"CRUSHER"},"validFrom":"1982-08-01","validTo":"2018-04-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503791|L35646|1982-08-01|2018-04-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M35646","name":"Linke Richard A"},"object":{"type":"mine","id":"0503791","name":"CRUSHER"},"validFrom":"1982-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503791|M35646|1982-08-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M35646","name":"Linke Richard A"},"object":{"type":"operator","id":"L35646","name":"Linke Construction Inc"},"validFrom":"1982-08-01","validTo":"2018-04-29","current":false,"derived":true,"evidenceMineId":"0503791","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503791|L35646|1982-08-01|M35646|1982-08-01|164594"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0134365","name":"Skylar  Carpenter et al"},"object":{"type":"mine","id":"0503791","name":"CRUSHER"},"validFrom":"2017-06-14","validTo":"2025-05-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503791|0134365|2017-06-14|2025-05-19"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0151735","name":"Grand Gravel Pit LLC"},"object":{"type":"mine","id":"0503791","name":"CRUSHER"},"validFrom":"2018-04-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503791|0151735|2018-04-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0134365","name":"Skylar  Carpenter et al"},"object":{"type":"operator","id":"0151735","name":"Grand Gravel Pit LLC"},"validFrom":"2018-04-30","validTo":"2025-05-19","current":false,"derived":true,"evidenceMineId":"0503791","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503791|0151735|2018-04-30|0134365|2017-06-14|27041"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0134365","name":"Bud  Carpenter et al"},"object":{"type":"operator","id":"0151735","name":"Grand Gravel Pit LLC"},"validFrom":"2018-04-30","validTo":"2025-05-19","current":false,"derived":true,"evidenceMineId":"0503791","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503791|0151735|2018-04-30|0134365|2017-06-14|27042"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0194480","name":"Jerry Bud  Carpenter"},"object":{"type":"mine","id":"0503791","name":"CRUSHER"},"validFrom":"2025-05-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503791|0194480|2025-05-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0194480","name":"Jerry Bud  Carpenter"},"object":{"type":"operator","id":"0151735","name":"Grand Gravel Pit LLC"},"validFrom":"2025-05-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"0503791","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503791|0151735|2018-04-30|0194480|2025-05-20|41570"}}],"coverage":{"historyRecords":4,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0503791","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"}}