{"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":"0404916","name":"Oro Grande Pit"},"operator":{"type":"operator","id":"L12641","name":"Agcon Inc."},"controller":{"type":"controller","id":"M09690","name":"Jonathan D  Hove"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12640","name":"Daily Transit Mix Corp"},"object":{"type":"mine","id":"0404916","name":"Oro Grande Pit"},"validFrom":"1988-01-01","validTo":"1992-03-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404916|L12640|1988-01-01|1992-03-05"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09689","name":"Dave  Daily"},"object":{"type":"mine","id":"0404916","name":"Oro Grande Pit"},"validFrom":"1988-01-01","validTo":"1992-03-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404916|M09689|1988-01-01|1992-03-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09689","name":"Dave  Daily"},"object":{"type":"operator","id":"L12640","name":"Daily Transit Mix Corp"},"validFrom":"1988-01-01","validTo":"1992-03-05","current":false,"derived":true,"evidenceMineId":"0404916","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404916|L12640|1988-01-01|M09689|1988-01-01|146957"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12641","name":"Agcon Inc."},"object":{"type":"mine","id":"0404916","name":"Oro Grande Pit"},"validFrom":"1992-03-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404916|L12641|1992-03-06|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09690","name":"Jonathan D  Hove"},"object":{"type":"mine","id":"0404916","name":"Oro Grande Pit"},"validFrom":"1992-03-06","validTo":"2010-10-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404916|M09690|1992-03-06|2010-10-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09690","name":"Jonathan D  Hove"},"object":{"type":"operator","id":"L12641","name":"Agcon Inc."},"validFrom":"1992-03-06","validTo":"2010-10-04","current":false,"derived":true,"evidenceMineId":"0404916","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404916|L12641|1992-03-06|M09690|1992-03-06|146958"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10981","name":"Robert E  Hove et al"},"object":{"type":"mine","id":"0404916","name":"Oro Grande Pit"},"validFrom":"2010-10-05","validTo":"2019-12-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404916|M10981|2010-10-05|2019-12-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10981","name":"Robert E  Hove et al"},"object":{"type":"operator","id":"L12641","name":"Agcon Inc."},"validFrom":"2010-10-05","validTo":"2019-12-30","current":false,"derived":true,"evidenceMineId":"0404916","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404916|L12641|1992-03-06|M10981|2010-10-05|150375"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10981","name":"Jonathan D  Hove et al"},"object":{"type":"operator","id":"L12641","name":"Agcon Inc."},"validFrom":"2010-10-05","validTo":"2019-12-30","current":false,"derived":true,"evidenceMineId":"0404916","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404916|L12641|1992-03-06|M10981|2010-10-05|150376"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09690","name":"Jonathan D  Hove"},"object":{"type":"mine","id":"0404916","name":"Oro Grande Pit"},"validFrom":"2019-12-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404916|M09690|2019-12-31|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09690","name":"Jonathan D  Hove"},"object":{"type":"operator","id":"L12641","name":"Agcon Inc."},"validFrom":"2019-12-31","validTo":null,"current":true,"derived":true,"evidenceMineId":"0404916","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404916|L12641|1992-03-06|M09690|2019-12-31|146960"}}],"coverage":{"historyRecords":5,"edgeCount":11,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0404916","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"}}