{"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":"4405748","name":"Mine No 1"},"operator":{"type":"operator","id":"P16876","name":"Hiope Mining Inc"},"controller":{"type":"controller","id":"C11941","name":"Ronald  Combs"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P12676","name":"Freestone Coal Company Inc"},"object":{"type":"mine","id":"4405748","name":"Mine No 1"},"validFrom":"1981-10-01","validTo":"1985-05-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405748|P12676|1981-10-01|1985-05-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00746","name":"Herbert D  Roberts"},"object":{"type":"mine","id":"4405748","name":"Mine No 1"},"validFrom":"1981-10-01","validTo":"1985-05-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405748|C00746|1981-10-01|1985-05-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00746","name":"Herbert D  Roberts"},"object":{"type":"operator","id":"P12676","name":"Freestone Coal Company Inc"},"validFrom":"1981-10-01","validTo":"1985-05-30","current":false,"derived":true,"evidenceMineId":"4405748","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405748|P12676|1981-10-01|C00746|1981-10-01|49741"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16876","name":"Hiope Mining Inc"},"object":{"type":"mine","id":"4405748","name":"Mine No 1"},"validFrom":"1985-05-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405748|P16876|1985-05-31|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11941","name":"Ronald  Combs et al"},"object":{"type":"mine","id":"4405748","name":"Mine No 1"},"validFrom":"1985-05-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405748|C11941|1985-05-31|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11941","name":"Ronald  Combs et al"},"object":{"type":"operator","id":"P16876","name":"Hiope Mining Inc"},"validFrom":"1985-05-31","validTo":null,"current":true,"derived":true,"evidenceMineId":"4405748","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405748|P16876|1985-05-31|C11941|1985-05-31|85752"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4405748","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"}}