{"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":"2026-10-18T09:31:49.615908+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":"3401858","name":"MARBLE CITY GRAVEL INCORPORATED"},"operator":{"type":"operator","id":"L18062","name":"Marble City Gravel Incorporated"},"controller":{"type":"controller","id":"0042203","name":"Clifton  Teague"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L18062","name":"Marble City Gravel Incorporated"},"object":{"type":"mine","id":"3401858","name":"MARBLE CITY GRAVEL INCORPORATED"},"validFrom":"2001-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3401858|L18062|2001-03-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13778","name":"Mathis Leo"},"object":{"type":"mine","id":"3401858","name":"MARBLE CITY GRAVEL INCORPORATED"},"validFrom":"2001-03-01","validTo":"2001-07-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3401858|M13778|2001-03-01|2001-07-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13778","name":"Mathis Leo"},"object":{"type":"operator","id":"L18062","name":"Marble City Gravel Incorporated"},"validFrom":"2001-03-01","validTo":"2001-07-24","current":false,"derived":true,"evidenceMineId":"3401858","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3401858|L18062|2001-03-01|M13778|2001-03-01|157077"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041429","name":"Stites Mike"},"object":{"type":"mine","id":"3401858","name":"MARBLE CITY GRAVEL INCORPORATED"},"validFrom":"2001-07-25","validTo":"2003-08-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3401858|0041429|2001-07-25|2003-08-20"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041429","name":"Stites Mike"},"object":{"type":"operator","id":"L18062","name":"Marble City Gravel Incorporated"},"validFrom":"2001-07-25","validTo":"2003-08-20","current":false,"derived":true,"evidenceMineId":"3401858","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3401858|L18062|2001-03-01|0041429|2001-07-25|2584"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0042203","name":"Clifton  Teague"},"object":{"type":"mine","id":"3401858","name":"MARBLE CITY GRAVEL INCORPORATED"},"validFrom":"2003-08-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3401858|0042203|2003-08-21|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042203","name":"Clifton  Teague"},"object":{"type":"operator","id":"L18062","name":"Marble City Gravel Incorporated"},"validFrom":"2003-08-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"3401858","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3401858|L18062|2001-03-01|0042203|2003-08-21|3749"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3401858","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}