{"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":"2026-10-18T09:31:49.615908+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":"3004047","name":"McClosky s130 screener sn#81352"},"operator":{"type":"operator","id":"0169373","name":"Empire Crushing LLC"},"controller":{"type":"controller","id":"0163441","name":"Jason  Knowles"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0169373","name":"Empire Crushing LLC"},"object":{"type":"mine","id":"3004047","name":"McClosky s130 screener sn#81352"},"validFrom":"2020-04-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3004047|0169373|2020-04-08|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0154061","name":"Jason  Knowles et al"},"object":{"type":"mine","id":"3004047","name":"McClosky s130 screener sn#81352"},"validFrom":"2020-04-08","validTo":"2021-07-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3004047|0154061|2020-04-08|2021-07-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0154061","name":"Jason  Knowles et al"},"object":{"type":"operator","id":"0169373","name":"Empire Crushing LLC"},"validFrom":"2020-04-08","validTo":"2021-07-10","current":false,"derived":true,"evidenceMineId":"3004047","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3004047|0169373|2020-04-08|0154061|2020-04-08|31961"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0154061","name":"Bradley  Rogers et al"},"object":{"type":"operator","id":"0169373","name":"Empire Crushing LLC"},"validFrom":"2020-04-08","validTo":"2021-07-10","current":false,"derived":true,"evidenceMineId":"3004047","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3004047|0169373|2020-04-08|0154061|2020-04-08|31962"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0163441","name":"Jason  Knowles"},"object":{"type":"mine","id":"3004047","name":"McClosky s130 screener sn#81352"},"validFrom":"2021-07-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3004047|0163441|2021-07-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0163441","name":"Jason  Knowles"},"object":{"type":"operator","id":"0169373","name":"Empire Crushing LLC"},"validFrom":"2021-07-11","validTo":null,"current":true,"derived":true,"evidenceMineId":"3004047","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3004047|0169373|2020-04-08|0163441|2021-07-11|34260"}}],"coverage":{"historyRecords":3,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3004047","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}