{"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":"0405846","name":"Waverly"},"operator":{"type":"operator","id":"0203613","name":"San Joaquin County Aggregates"},"controller":{"type":"controller","id":"0104575","name":"Earl J  Rogers"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0123151","name":"CMAT Mobile  Crushing"},"object":{"type":"mine","id":"0405846","name":"Waverly"},"validFrom":"2012-05-25","validTo":"2013-04-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405846|0123151|2012-05-25|2013-04-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0104575","name":"Earl J  Rogers"},"object":{"type":"mine","id":"0405846","name":"Waverly"},"validFrom":"2012-05-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405846|0104575|2012-05-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0104575","name":"Earl J  Rogers"},"object":{"type":"operator","id":"0123151","name":"CMAT Mobile  Crushing"},"validFrom":"2012-05-25","validTo":"2013-04-16","current":false,"derived":true,"evidenceMineId":"0405846","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405846|0123151|2012-05-25|0104575|2012-05-25|18272"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0127613","name":"CMAT Mobile  Crushing, Inc."},"object":{"type":"mine","id":"0405846","name":"Waverly"},"validFrom":"2013-04-17","validTo":"2025-05-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405846|0127613|2013-04-17|2025-05-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0104575","name":"Earl J  Rogers"},"object":{"type":"mine","id":"0405846","name":"Waverly"},"validFrom":"2013-04-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405846|0104575|2013-04-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0104575","name":"Earl J  Rogers"},"object":{"type":"operator","id":"0127613","name":"CMAT Mobile  Crushing, Inc."},"validFrom":"2013-04-17","validTo":"2025-05-29","current":false,"derived":true,"evidenceMineId":"0405846","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405846|0127613|2013-04-17|0104575|2013-04-17|18273"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0203613","name":"San Joaquin County Aggregates"},"object":{"type":"mine","id":"0405846","name":"Waverly"},"validFrom":"2025-05-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405846|0203613|2025-05-30|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0104575","name":"Earl J  Rogers"},"object":{"type":"mine","id":"0405846","name":"Waverly"},"validFrom":"2025-05-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405846|0104575|2025-05-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0104575","name":"Earl J  Rogers"},"object":{"type":"operator","id":"0203613","name":"San Joaquin County Aggregates"},"validFrom":"2025-05-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"0405846","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405846|0203613|2025-05-30|0104575|2025-05-30|18274"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0405846","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"}}