{"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":"4104598","name":"Higareda's Rock Pit"},"operator":{"type":"operator","id":"0095725","name":"Higareda's Rock Pit"},"controller":{"type":"controller","id":"M10761","name":"Arturo  Higareda"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0072004","name":"Higareda Landscaping"},"object":{"type":"mine","id":"4104598","name":"Higareda's Rock Pit"},"validFrom":"2006-04-26","validTo":"2008-06-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104598|0072004|2006-04-26|2008-06-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0060291","name":"Gabriel  Higareda"},"object":{"type":"mine","id":"4104598","name":"Higareda's Rock Pit"},"validFrom":"2006-04-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104598|0060291|2006-04-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0060291","name":"Gabriel  Higareda"},"object":{"type":"operator","id":"0072004","name":"Higareda Landscaping"},"validFrom":"2006-04-26","validTo":"2008-06-09","current":false,"derived":true,"evidenceMineId":"4104598","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104598|0072004|2006-04-26|0060291|2006-04-26|8034"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0095725","name":"Higareda's Rock Pit"},"object":{"type":"mine","id":"4104598","name":"Higareda's Rock Pit"},"validFrom":"2008-06-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104598|0095725|2008-06-10|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10761","name":"Arturo  Higareda"},"object":{"type":"mine","id":"4104598","name":"Higareda's Rock Pit"},"validFrom":"2008-06-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104598|M10761|2008-06-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10761","name":"Arturo  Higareda"},"object":{"type":"operator","id":"0095725","name":"Higareda's Rock Pit"},"validFrom":"2008-06-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"4104598","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104598|0095725|2008-06-10|M10761|2008-06-10|149984"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4104598","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"}}