{"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":"3300490","name":"Haydite Mine"},"operator":{"type":"operator","id":"0055136","name":"DiGeronimo Aggregates LLC"},"controller":{"type":"controller","id":"0040973","name":"Vic  DiGeronimo Jr"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01674","name":"Hydraulic Press Brick Company"},"object":{"type":"mine","id":"3300490","name":"Haydite Mine"},"validFrom":"1950-01-01","validTo":"2004-10-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3300490|L01674|1950-01-01|2004-10-12"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01501","name":"St Louis Steel Casting Inc"},"object":{"type":"mine","id":"3300490","name":"Haydite Mine"},"validFrom":"1950-01-01","validTo":"2000-08-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3300490|M01501|1950-01-01|2000-08-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01501","name":"St Louis Steel Casting Inc"},"object":{"type":"operator","id":"L01674","name":"Hydraulic Press Brick Company"},"validFrom":"1950-01-01","validTo":"2000-08-24","current":false,"derived":true,"evidenceMineId":"3300490","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3300490|L01674|1950-01-01|M01501|1950-01-01|118913"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0062529","name":"Schwarz Partners II LP"},"object":{"type":"mine","id":"3300490","name":"Haydite Mine"},"validFrom":"2000-08-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3300490|0062529|2000-08-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0062529","name":"Schwarz Partners II LP"},"object":{"type":"operator","id":"L01674","name":"Hydraulic Press Brick Company"},"validFrom":"2000-08-25","validTo":"2004-10-12","current":false,"derived":true,"evidenceMineId":"3300490","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3300490|L01674|1950-01-01|0062529|2000-08-25|8529"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0055136","name":"DiGeronimo Aggregates LLC"},"object":{"type":"mine","id":"3300490","name":"Haydite Mine"},"validFrom":"2004-10-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3300490|0055136|2004-10-13|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0040973","name":"Vic  DiGeronimo Jr et al"},"object":{"type":"mine","id":"3300490","name":"Haydite Mine"},"validFrom":"2004-10-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3300490|0040973|2004-10-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0040973","name":"Vic  DiGeronimo Jr et al"},"object":{"type":"operator","id":"0055136","name":"DiGeronimo Aggregates LLC"},"validFrom":"2004-10-13","validTo":null,"current":true,"derived":true,"evidenceMineId":"3300490","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3300490|0055136|2004-10-13|0040973|2004-10-13|1105"}}],"coverage":{"historyRecords":3,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3300490","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"}}