{"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":"3401180","name":"Leeper Lake Incorporated"},"operator":{"type":"operator","id":"L07345","name":"Leeper Lake Inc"},"controller":{"type":"controller","id":"M05849","name":"Davis Bob"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07344","name":"Leroy Eaton Construction"},"object":{"type":"mine","id":"3401180","name":"Leeper Lake Incorporated"},"validFrom":"1979-01-01","validTo":"1984-06-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401180|L07344|1979-01-01|1984-06-19"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05848","name":"Eaton Leroy"},"object":{"type":"mine","id":"3401180","name":"Leeper Lake Incorporated"},"validFrom":"1979-01-01","validTo":"1984-06-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401180|M05848|1979-01-01|1984-06-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05848","name":"Eaton Leroy"},"object":{"type":"operator","id":"L07344","name":"Leroy Eaton Construction"},"validFrom":"1979-01-01","validTo":"1984-06-19","current":false,"derived":true,"evidenceMineId":"3401180","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401180|L07344|1979-01-01|M05848|1979-01-01|135571"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07345","name":"Leeper Lake Inc"},"object":{"type":"mine","id":"3401180","name":"Leeper Lake Incorporated"},"validFrom":"1984-06-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401180|L07345|1984-06-20|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05849","name":"Davis Bob"},"object":{"type":"mine","id":"3401180","name":"Leeper Lake Incorporated"},"validFrom":"1984-06-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401180|M05849|1984-06-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05849","name":"Davis Bob"},"object":{"type":"operator","id":"L07345","name":"Leeper Lake Inc"},"validFrom":"1984-06-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"3401180","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401180|L07345|1984-06-20|M05849|1984-06-20|135572"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3401180","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"}}