{"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":"0202738","name":"Ferno/Oaky"},"operator":{"type":"operator","id":"L15487","name":"Levin Stone Co Inc"},"controller":{"type":"controller","id":"M11810","name":"Philip N  Levin"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11810","name":"Philip N  Levin"},"object":{"type":"mine","id":"0202738","name":"Ferno/Oaky"},"validFrom":"1997-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202738|M11810|1997-10-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15487","name":"Levin Stone Company Inc"},"object":{"type":"mine","id":"0202738","name":"Ferno/Oaky"},"validFrom":"1997-11-01","validTo":"2000-02-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202738|L15487|1997-11-01|2000-02-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11810","name":"Philip N  Levin"},"object":{"type":"operator","id":"L15487","name":"Levin Stone Company Inc"},"validFrom":"1997-11-01","validTo":"2000-02-23","current":false,"derived":true,"evidenceMineId":"0202738","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202738|L15487|1997-11-01|M11810|1997-10-01|152451"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17541","name":"James H Canipe"},"object":{"type":"mine","id":"0202738","name":"Ferno/Oaky"},"validFrom":"2000-02-24","validTo":"2001-05-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202738|L17541|2000-02-24|2001-05-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13386","name":"James H  Canipe"},"object":{"type":"mine","id":"0202738","name":"Ferno/Oaky"},"validFrom":"2000-02-24","validTo":"2001-05-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202738|M13386|2000-02-24|2001-05-27"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13386","name":"James H  Canipe"},"object":{"type":"operator","id":"L17541","name":"James H Canipe"},"validFrom":"2000-02-24","validTo":"2001-05-27","current":false,"derived":true,"evidenceMineId":"0202738","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202738|L17541|2000-02-24|M13386|2000-02-24|156148"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L18557","name":"New West Services Inc"},"object":{"type":"mine","id":"0202738","name":"Ferno/Oaky"},"validFrom":"2001-05-28","validTo":"2002-10-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202738|L18557|2001-05-28|2002-10-08"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M14284","name":"Bob  Shuey"},"object":{"type":"mine","id":"0202738","name":"Ferno/Oaky"},"validFrom":"2001-05-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202738|M14284|2001-05-28|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M14284","name":"Bob  Shuey"},"object":{"type":"operator","id":"L18557","name":"New West Services Inc"},"validFrom":"2001-05-28","validTo":"2002-10-08","current":false,"derived":true,"evidenceMineId":"0202738","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202738|L18557|2001-05-28|M14284|2001-05-28|157826"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15487","name":"Levin Stone Co Inc"},"object":{"type":"mine","id":"0202738","name":"Ferno/Oaky"},"validFrom":"2002-10-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202738|L15487|2002-10-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11810","name":"Philip N  Levin"},"object":{"type":"operator","id":"L15487","name":"Levin Stone Co Inc"},"validFrom":"2002-10-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"0202738","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202738|L15487|2002-10-09|M11810|1997-10-01|152452"}}],"coverage":{"historyRecords":4,"edgeCount":11,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0202738","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"}}