{"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":"4607978","name":"Mine #3"},"operator":{"type":"operator","id":"P21949","name":"Beverly Leasing Inc"},"controller":{"type":"controller","id":"C13282","name":"Spencer William"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21288","name":"Beverly Leasing Inc"},"object":{"type":"mine","id":"4607978","name":"Mine #3"},"validFrom":"1990-12-01","validTo":"1992-03-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607978|P21288|1990-12-01|1992-03-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13640","name":"Garretson Roy"},"object":{"type":"mine","id":"4607978","name":"Mine #3"},"validFrom":"1990-12-01","validTo":"1992-03-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607978|C13640|1990-12-01|1992-03-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13640","name":"Garretson Roy"},"object":{"type":"operator","id":"P21288","name":"Beverly Leasing Inc"},"validFrom":"1990-12-01","validTo":"1992-03-24","current":false,"derived":true,"evidenceMineId":"4607978","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607978|P21288|1990-12-01|C13640|1990-12-01|90676"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21949","name":"Beverly Leasing Inc"},"object":{"type":"mine","id":"4607978","name":"Mine #3"},"validFrom":"1992-03-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607978|P21949|1992-03-25|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13282","name":"Spencer William Et Al"},"object":{"type":"mine","id":"4607978","name":"Mine #3"},"validFrom":"1992-03-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607978|C13282|1992-03-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13282","name":"Spencer William Et Al"},"object":{"type":"operator","id":"P21949","name":"Beverly Leasing Inc"},"validFrom":"1992-03-25","validTo":null,"current":true,"derived":true,"evidenceMineId":"4607978","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607978|P21949|1992-03-25|C13282|1992-03-25|89150"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4607978","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"}}