{"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":"1103217","name":"Pit #1"},"operator":{"type":"operator","id":"0121110","name":"River Bend Materials LLC"},"controller":{"type":"controller","id":"M06130","name":"Monty L Swearingen; Matthew L Swearingen"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06130","name":"Monty L Swearingen et al"},"object":{"type":"mine","id":"1103217","name":"Pit #1"},"validFrom":"1980-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1103217|M06130|1980-05-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07715","name":"Swearingen Excavating"},"object":{"type":"mine","id":"1103217","name":"Pit #1"},"validFrom":"2009-08-07","validTo":"2012-01-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1103217|L07715|2009-08-07|2012-01-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06130","name":"Monty L Swearingen et al"},"object":{"type":"operator","id":"L07715","name":"Swearingen Excavating"},"validFrom":"2009-08-07","validTo":"2012-01-24","current":false,"derived":true,"evidenceMineId":"1103217","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1103217|L07715|2009-08-07|M06130|1980-05-01|136273"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06130","name":"Matthew L Swearingen et al"},"object":{"type":"operator","id":"L07715","name":"Swearingen Excavating"},"validFrom":"2009-08-07","validTo":"2012-01-24","current":false,"derived":true,"evidenceMineId":"1103217","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1103217|L07715|2009-08-07|M06130|1980-05-01|136274"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0121110","name":"River Bend Materials LLC"},"object":{"type":"mine","id":"1103217","name":"Pit #1"},"validFrom":"2012-01-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1103217|0121110|2012-01-25|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06130","name":"Monty L Swearingen et al"},"object":{"type":"mine","id":"1103217","name":"Pit #1"},"validFrom":"2012-01-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1103217|M06130|2012-01-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06130","name":"Monty L Swearingen et al"},"object":{"type":"operator","id":"0121110","name":"River Bend Materials LLC"},"validFrom":"2012-01-25","validTo":null,"current":true,"derived":true,"evidenceMineId":"1103217","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1103217|0121110|2012-01-25|M06130|2012-01-25|136275"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06130","name":"Matthew L Swearingen et al"},"object":{"type":"operator","id":"0121110","name":"River Bend Materials LLC"},"validFrom":"2012-01-25","validTo":null,"current":true,"derived":true,"evidenceMineId":"1103217","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1103217|0121110|2012-01-25|M06130|2012-01-25|136276"}}],"coverage":{"historyRecords":4,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1103217","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"}}