{"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":"2104061","name":"Screen Plant 1"},"operator":{"type":"operator","id":"0170193","name":"Lange Trenching Inc."},"controller":{"type":"controller","id":"0182981","name":"Joshua  Lange; Jordan  Lange; Trevor  Lange; Tylor  Lange"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0154781","name":"Dale  Lange et al"},"object":{"type":"mine","id":"2104061","name":"Screen Plant 1"},"validFrom":"2020-04-29","validTo":"2022-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2104061|0154781|2020-04-29|2022-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0182981","name":"Jordan  Lange et al"},"object":{"type":"mine","id":"2104061","name":"Screen Plant 1"},"validFrom":"2023-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2104061|0182981|2023-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0170193","name":"Lange Trenching Inc."},"object":{"type":"mine","id":"2104061","name":"Screen Plant 1"},"validFrom":"2024-02-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2104061|0170193|2024-02-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0154781","name":"Dale  Lange et al"},"object":{"type":"operator","id":"0170193","name":"Lange Trenching Inc."},"validFrom":"2024-02-09","validTo":"2022-12-31","current":false,"derived":true,"evidenceMineId":"2104061","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2104061|0170193|2024-02-09|0154781|2020-04-29|32090"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0154781","name":"Jeffrey  Lange et al"},"object":{"type":"operator","id":"0170193","name":"Lange Trenching Inc."},"validFrom":"2024-02-09","validTo":"2022-12-31","current":false,"derived":true,"evidenceMineId":"2104061","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2104061|0170193|2024-02-09|0154781|2020-04-29|32091"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0182981","name":"Jordan  Lange et al"},"object":{"type":"operator","id":"0170193","name":"Lange Trenching Inc."},"validFrom":"2024-02-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"2104061","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2104061|0170193|2024-02-09|0182981|2023-01-01|39057"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0182981","name":"Joshua  Lange et al"},"object":{"type":"operator","id":"0170193","name":"Lange Trenching Inc."},"validFrom":"2024-02-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"2104061","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2104061|0170193|2024-02-09|0182981|2023-01-01|39058"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0182981","name":"Trevor  Lange et al"},"object":{"type":"operator","id":"0170193","name":"Lange Trenching Inc."},"validFrom":"2024-02-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"2104061","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2104061|0170193|2024-02-09|0182981|2023-01-01|39059"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0182981","name":"Tylor  Lange et al"},"object":{"type":"operator","id":"0170193","name":"Lange Trenching Inc."},"validFrom":"2024-02-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"2104061","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2104061|0170193|2024-02-09|0182981|2023-01-01|39060"}}],"coverage":{"historyRecords":6,"edgeCount":9,"intervalAnomalies":2,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2104061","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"}}