{"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":"1302335","name":"Stripping Crew #2"},"operator":{"type":"operator","id":"L09222","name":"Wendling Quarries, Inc."},"controller":{"type":"controller","id":"M07259","name":"Manaco Corporation"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01583","name":"David L  Coots"},"object":{"type":"mine","id":"1302335","name":"Stripping Crew #2"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302335|M01583|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07259","name":"Manaco Corporation"},"object":{"type":"mine","id":"1302335","name":"Stripping Crew #2"},"validFrom":"1987-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302335|M07259|1987-03-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01759","name":"Coots Materials Company Inc"},"object":{"type":"mine","id":"1302335","name":"Stripping Crew #2"},"validFrom":"2006-10-24","validTo":"2019-06-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302335|L01759|2006-10-24|2019-06-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01583","name":"David L  Coots"},"object":{"type":"operator","id":"L01759","name":"Coots Materials Company Inc"},"validFrom":"2006-10-24","validTo":"2019-06-05","current":false,"derived":true,"evidenceMineId":"1302335","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302335|L01759|2006-10-24|M01583|1950-01-01|119484"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09222","name":"Wendling Quarries, Inc."},"object":{"type":"mine","id":"1302335","name":"Stripping Crew #2"},"validFrom":"2019-06-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302335|L09222|2019-06-06|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07259","name":"Manaco Corporation"},"object":{"type":"operator","id":"L09222","name":"Wendling Quarries, Inc."},"validFrom":"2019-06-06","validTo":null,"current":true,"derived":true,"evidenceMineId":"1302335","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302335|L09222|2019-06-06|M07259|1987-03-01|140471"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1302335","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"}}