{"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":"4002717","name":"Crab Orchard Quarry"},"operator":{"type":"operator","id":"L12380","name":"Franklin Industrial Minerals"},"controller":{"type":"controller","id":"0041044","name":"Lhoist Group"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M04188","name":"Franklin Industries Inc"},"object":{"type":"mine","id":"4002717","name":"Crab Orchard Quarry"},"validFrom":"1950-01-01","validTo":"2006-11-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4002717|M04188|1950-01-01|2006-11-30"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12380","name":"Franklin Industrial Minerals"},"object":{"type":"mine","id":"4002717","name":"Crab Orchard Quarry"},"validFrom":"1981-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4002717|L12380|1981-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M04188","name":"Franklin Industries Inc"},"object":{"type":"operator","id":"L12380","name":"Franklin Industrial Minerals"},"validFrom":"1981-04-01","validTo":"2006-11-30","current":false,"derived":true,"evidenceMineId":"4002717","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4002717|L12380|1981-04-01|M04188|1950-01-01|131420"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041044","name":"Lhoist Group"},"object":{"type":"mine","id":"4002717","name":"Crab Orchard Quarry"},"validFrom":"2006-12-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4002717|0041044|2006-12-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041044","name":"Lhoist Group"},"object":{"type":"operator","id":"L12380","name":"Franklin Industrial Minerals"},"validFrom":"2006-12-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4002717","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4002717|L12380|1981-04-01|0041044|2006-12-01|1290"}}],"coverage":{"historyRecords":2,"edgeCount":5,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4002717","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"}}