{"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":"1512163","name":"No 4"},"operator":{"type":"operator","id":"P14506","name":"W C S Inc"},"controller":{"type":"controller","id":"C10503","name":"Earley William G"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10006","name":"Curry Mining Corp"},"object":{"type":"mine","id":"1512163","name":"No 4"},"validFrom":"1979-12-01","validTo":"1980-07-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1512163|P10006|1979-12-01|1980-07-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07702","name":"Curry Roy"},"object":{"type":"mine","id":"1512163","name":"No 4"},"validFrom":"1979-12-01","validTo":"1985-05-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1512163|C07702|1979-12-01|1985-05-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07702","name":"Curry Roy"},"object":{"type":"operator","id":"P10006","name":"Curry Mining Corp"},"validFrom":"1979-12-01","validTo":"1980-07-10","current":false,"derived":true,"evidenceMineId":"1512163","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1512163|P10006|1979-12-01|C07702|1979-12-01|75468"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10716","name":"H J Mining Company Inc"},"object":{"type":"mine","id":"1512163","name":"No 4"},"validFrom":"1980-07-11","validTo":"1983-06-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1512163|P10716|1980-07-11|1983-06-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00334","name":"Schwab Charles F"},"object":{"type":"mine","id":"1512163","name":"No 4"},"validFrom":"1980-07-11","validTo":"1983-06-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1512163|C00334|1980-07-11|1983-06-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00334","name":"Schwab Charles F"},"object":{"type":"operator","id":"P10716","name":"H J Mining Company Inc"},"validFrom":"1980-07-11","validTo":"1983-06-23","current":false,"derived":true,"evidenceMineId":"1512163","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1512163|P10716|1980-07-11|C00334|1980-07-11|46239"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14506","name":"W C S Inc"},"object":{"type":"mine","id":"1512163","name":"No 4"},"validFrom":"1983-06-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1512163|P14506|1983-06-24|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10503","name":"Earley William G"},"object":{"type":"mine","id":"1512163","name":"No 4"},"validFrom":"1983-06-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1512163|C10503|1983-06-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10503","name":"Earley William G"},"object":{"type":"operator","id":"P14506","name":"W C S Inc"},"validFrom":"1983-06-24","validTo":null,"current":true,"derived":true,"evidenceMineId":"1512163","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1512163|P14506|1983-06-24|C10503|1983-06-24|82184"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1512163","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"}}