{"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":"4601576","name":"Itmann #3"},"operator":{"type":"operator","id":"P17101","name":"Itmann Coal Company"},"controller":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00907","name":"Itmann Coal Company"},"object":{"type":"mine","id":"4601576","name":"Itmann #3"},"validFrom":"1950-01-01","validTo":"1985-08-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4601576|P00907|1950-01-01|1985-08-22"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00699","name":"Consolidation Coal Co-Bethlehem Steel Corp Et Al"},"object":{"type":"mine","id":"4601576","name":"Itmann #3"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4601576|C00699|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00699","name":"Consolidation Coal Co-Bethlehem Steel Corp Et Al"},"object":{"type":"operator","id":"P00907","name":"Itmann Coal Company"},"validFrom":"1950-01-01","validTo":"1985-08-22","current":false,"derived":true,"evidenceMineId":"4601576","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4601576|P00907|1950-01-01|C00699|1950-01-01|49469"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17101","name":"Itmann Coal Company"},"object":{"type":"mine","id":"4601576","name":"Itmann #3"},"validFrom":"1985-08-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4601576|P17101|1985-08-23|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"object":{"type":"mine","id":"4601576","name":"Itmann #3"},"validFrom":"1985-08-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4601576|C00692|1985-08-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"object":{"type":"operator","id":"P17101","name":"Itmann Coal Company"},"validFrom":"1985-08-23","validTo":null,"current":true,"derived":true,"evidenceMineId":"4601576","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4601576|P17101|1985-08-23|C00692|1985-08-23|49245"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4601576","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"}}