{"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":"4105051","name":"Cooper Quarry-East"},"operator":{"type":"operator","id":"0151013","name":"Cooper Stone"},"controller":{"type":"controller","id":"0103373","name":"Micah  Flippen"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0132673","name":"A-A-A Natural Stone"},"object":{"type":"mine","id":"4105051","name":"Cooper Quarry-East"},"validFrom":"2014-01-01","validTo":"2020-06-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105051|0132673|2014-01-01|2020-06-08"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0112861","name":"Tomas  Louda"},"object":{"type":"mine","id":"4105051","name":"Cooper Quarry-East"},"validFrom":"2014-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105051|0112861|2014-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0112861","name":"Tomas  Louda"},"object":{"type":"operator","id":"0132673","name":"A-A-A Natural Stone"},"validFrom":"2014-01-01","validTo":"2020-06-08","current":false,"derived":true,"evidenceMineId":"4105051","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105051|0132673|2014-01-01|0112861|2014-01-01|20989"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0103373","name":"Micah  Flippen"},"object":{"type":"mine","id":"4105051","name":"Cooper Quarry-East"},"validFrom":"2017-05-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105051|0103373|2017-05-05|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0151013","name":"Cooper Stone"},"object":{"type":"mine","id":"4105051","name":"Cooper Quarry-East"},"validFrom":"2020-06-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105051|0151013|2020-06-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0103373","name":"Micah  Flippen"},"object":{"type":"operator","id":"0151013","name":"Cooper Stone"},"validFrom":"2020-06-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"4105051","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4105051|0151013|2020-06-09|0103373|2017-05-05|17821"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4105051","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"}}