{"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":"1502067","name":"Caney Creek Prep Plant"},"operator":{"type":"operator","id":"P07039","name":"West Ken Coal Corp"},"controller":{"type":"controller","id":"C06602","name":"Andalex Resources B V"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P04032","name":"Kirkpatrick Mining Company"},"object":{"type":"mine","id":"1502067","name":"Caney Creek Prep Plant"},"validFrom":"1950-01-01","validTo":"1977-01-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1502067|P04032|1950-01-01|1977-01-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C03323","name":"Wright J W"},"object":{"type":"mine","id":"1502067","name":"Caney Creek Prep Plant"},"validFrom":"1950-01-01","validTo":"1977-01-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1502067|C03323|1950-01-01|1977-01-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C03323","name":"Wright J W"},"object":{"type":"operator","id":"P04032","name":"Kirkpatrick Mining Company"},"validFrom":"1950-01-01","validTo":"1977-01-31","current":false,"derived":true,"evidenceMineId":"1502067","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1502067|P04032|1950-01-01|C03323|1950-01-01|62514"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P07039","name":"West Ken Coal Corp"},"object":{"type":"mine","id":"1502067","name":"Caney Creek Prep Plant"},"validFrom":"1977-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1502067|P07039|1977-02-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06602","name":"Andalex Resources B V"},"object":{"type":"mine","id":"1502067","name":"Caney Creek Prep Plant"},"validFrom":"1977-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1502067|C06602|1977-02-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06602","name":"Andalex Resources B V"},"object":{"type":"operator","id":"P07039","name":"West Ken Coal Corp"},"validFrom":"1977-02-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"1502067","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1502067|P07039|1977-02-01|C06602|1977-02-01|72270"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1502067","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"}}