{"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":"2401948","name":"Titan Wash Plant"},"operator":{"type":"operator","id":"0210233","name":"Titan Sand and Gravel LLC"},"controller":{"type":"controller","id":"0201461","name":"Yancy Dale  Terland"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L32064","name":"Conner's Concrete Inc"},"object":{"type":"mine","id":"2401948","name":"Titan Wash Plant"},"validFrom":"1991-09-01","validTo":"2026-08-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2401948|L32064|1991-09-01|2026-08-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M32064","name":"Bonnie  Conner"},"object":{"type":"mine","id":"2401948","name":"Titan Wash Plant"},"validFrom":"1991-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2401948|M32064|1991-09-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M32064","name":"Bonnie  Conner"},"object":{"type":"operator","id":"L32064","name":"Conner's Concrete Inc"},"validFrom":"1991-09-01","validTo":"2026-08-28","current":false,"derived":true,"evidenceMineId":"2401948","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2401948|L32064|1991-09-01|M32064|1991-09-01|160480"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0201461","name":"Yancy Dale  Terland"},"object":{"type":"mine","id":"2401948","name":"Titan Wash Plant"},"validFrom":"2026-07-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2401948|0201461|2026-07-14|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0210233","name":"Titan Sand and Gravel LLC"},"object":{"type":"mine","id":"2401948","name":"Titan Wash Plant"},"validFrom":"2026-08-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2401948|0210233|2026-08-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0201461","name":"Yancy Dale  Terland"},"object":{"type":"operator","id":"0210233","name":"Titan Sand and Gravel LLC"},"validFrom":"2026-08-29","validTo":null,"current":true,"derived":true,"evidenceMineId":"2401948","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2401948|0210233|2026-08-29|0201461|2026-07-14|42777"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2401948","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"}}