{"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":"2026-10-17T05:35:58.500035+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":"4503853","name":"Portable 1"},"operator":{"type":"operator","id":"0198773","name":"Central Rock, Inc."},"controller":{"type":"controller","id":"0188220","name":"William  Poppie"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0198773","name":"Central Rock, Inc."},"object":{"type":"mine","id":"4503853","name":"Portable 1"},"validFrom":"2024-09-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4503853|0198773|2024-09-24|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0188220","name":"William  Poppie"},"object":{"type":"mine","id":"4503853","name":"Portable 1"},"validFrom":"2024-09-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4503853|0188220|2024-09-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0188220","name":"William  Poppie"},"object":{"type":"operator","id":"0198773","name":"Central Rock, Inc."},"validFrom":"2024-09-24","validTo":null,"current":true,"derived":true,"evidenceMineId":"4503853","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4503853|0198773|2024-09-24|0188220|2024-09-24|40123"}}],"coverage":{"historyRecords":1,"edgeCount":3,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4503853","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}