{"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":"4606912","name":"#1 Surface"},"operator":{"type":"operator","id":"P17775","name":"Prosperity Energy Inc"},"controller":{"type":"controller","id":"C12461","name":"Michael C  Faykus"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10418","name":"Meredith Chester & Michael Faykus"},"object":{"type":"mine","id":"4606912","name":"#1 Surface"},"validFrom":"1983-04-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606912|C10418|1983-04-18|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16746","name":"Bill Pack Lumber Company"},"object":{"type":"mine","id":"4606912","name":"#1 Surface"},"validFrom":"1985-04-01","validTo":"1985-07-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606912|P16746|1985-04-01|1985-07-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02963","name":"Pack Bill"},"object":{"type":"mine","id":"4606912","name":"#1 Surface"},"validFrom":"1985-04-01","validTo":"1985-07-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606912|C02963|1985-04-01|1985-07-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02963","name":"Pack Bill"},"object":{"type":"operator","id":"P16746","name":"Bill Pack Lumber Company"},"validFrom":"1985-04-01","validTo":"1985-07-31","current":false,"derived":true,"evidenceMineId":"4606912","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606912|P16746|1985-04-01|C02963|1985-04-01|61474"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14355","name":"Prosperity Mining Inc"},"object":{"type":"mine","id":"4606912","name":"#1 Surface"},"validFrom":"1985-08-01","validTo":"1986-02-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606912|P14355|1985-08-01|1986-02-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10418","name":"Meredith Chester & Michael Faykus"},"object":{"type":"operator","id":"P14355","name":"Prosperity Mining Inc"},"validFrom":"1985-08-01","validTo":"1986-02-23","current":false,"derived":true,"evidenceMineId":"4606912","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606912|P14355|1985-08-01|C10418|1983-04-18|81954"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17775","name":"Prosperity Energy Inc"},"object":{"type":"mine","id":"4606912","name":"#1 Surface"},"validFrom":"1986-02-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606912|P17775|1986-02-24|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12461","name":"Michael C  Faykus"},"object":{"type":"mine","id":"4606912","name":"#1 Surface"},"validFrom":"1986-02-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606912|C12461|1986-02-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12461","name":"Michael C  Faykus"},"object":{"type":"operator","id":"P17775","name":"Prosperity Energy Inc"},"validFrom":"1986-02-24","validTo":null,"current":true,"derived":true,"evidenceMineId":"4606912","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606912|P17775|1986-02-24|C12461|1986-02-24|86927"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4606912","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"}}