{"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":"3402193","name":"Garland"},"operator":{"type":"operator","id":"0147633","name":"Eastern Oklahoma Stone LLC"},"controller":{"type":"controller","id":"0129121","name":"John  Alstatt; Cliff  Alstatt"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0129121","name":"Cliff  Alstatt et al"},"object":{"type":"mine","id":"3402193","name":"Garland"},"validFrom":"2016-10-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3402193|0129121|2016-10-16|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0164953","name":"FioRock"},"object":{"type":"mine","id":"3402193","name":"Garland"},"validFrom":"2019-07-03","validTo":"2023-11-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3402193|0164953|2019-07-03|2023-11-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0149241","name":"Steven  Fioretti"},"object":{"type":"mine","id":"3402193","name":"Garland"},"validFrom":"2019-07-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3402193|0149241|2019-07-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0149241","name":"Steven  Fioretti"},"object":{"type":"operator","id":"0164953","name":"FioRock"},"validFrom":"2019-07-03","validTo":"2023-11-13","current":false,"derived":true,"evidenceMineId":"3402193","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3402193|0164953|2019-07-03|0149241|2019-07-03|30659"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0147633","name":"Eastern Oklahoma Stone LLC"},"object":{"type":"mine","id":"3402193","name":"Garland"},"validFrom":"2023-11-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3402193|0147633|2023-11-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0129121","name":"Cliff  Alstatt et al"},"object":{"type":"operator","id":"0147633","name":"Eastern Oklahoma Stone LLC"},"validFrom":"2023-11-14","validTo":null,"current":true,"derived":true,"evidenceMineId":"3402193","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3402193|0147633|2023-11-14|0129121|2016-10-16|25896"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0129121","name":"John  Alstatt et al"},"object":{"type":"operator","id":"0147633","name":"Eastern Oklahoma Stone LLC"},"validFrom":"2023-11-14","validTo":null,"current":true,"derived":true,"evidenceMineId":"3402193","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3402193|0147633|2023-11-14|0129121|2016-10-16|25897"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3402193","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"}}