{"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":"3402088","name":"Burbank Materials LLC"},"operator":{"type":"operator","id":"0193873","name":"Burbank Materials LLC"},"controller":{"type":"controller","id":"0182663","name":"Casey B Hindman"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0102486","name":"Burbank Materials LLP"},"object":{"type":"mine","id":"3402088","name":"Burbank Materials LLC"},"validFrom":"2009-07-08","validTo":"2023-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3402088|0102486|2009-07-08|2023-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0086675","name":"Casey B  Hindman  et al"},"object":{"type":"mine","id":"3402088","name":"Burbank Materials LLC"},"validFrom":"2009-07-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3402088|0086675|2009-07-08|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0086675","name":"Casey B  Hindman  et al"},"object":{"type":"operator","id":"0102486","name":"Burbank Materials LLP"},"validFrom":"2009-07-08","validTo":"2023-12-31","current":false,"derived":true,"evidenceMineId":"3402088","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3402088|0102486|2009-07-08|0086675|2009-07-08|13942"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0193873","name":"Burbank Materials LLC"},"object":{"type":"mine","id":"3402088","name":"Burbank Materials LLC"},"validFrom":"2024-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3402088|0193873|2024-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0182663","name":"Casey B Hindman"},"object":{"type":"mine","id":"3402088","name":"Burbank Materials LLC"},"validFrom":"2024-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3402088|0182663|2024-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0182663","name":"Casey B Hindman"},"object":{"type":"operator","id":"0193873","name":"Burbank Materials LLC"},"validFrom":"2024-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3402088","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3402088|0193873|2024-01-01|0182663|2024-01-01|38999"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3402088","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"}}