{"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":"4606470","name":"Omega Mine #100"},"operator":{"type":"operator","id":"P20658","name":"Omega Mining Company Inc"},"controller":{"type":"controller","id":"C07417","name":"Avx Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P12914","name":"Omega Mining Company Inc"},"object":{"type":"mine","id":"4606470","name":"Omega Mine #100"},"validFrom":"1982-01-01","validTo":"1986-01-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606470|P12914|1982-01-01|1986-01-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09510","name":"Hardesty John R Jr & John P Boyle"},"object":{"type":"mine","id":"4606470","name":"Omega Mine #100"},"validFrom":"1982-01-01","validTo":"1986-01-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606470|C09510|1982-01-01|1986-01-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09510","name":"Hardesty John R Jr & John P Boyle"},"object":{"type":"operator","id":"P12914","name":"Omega Mining Company Inc"},"validFrom":"1982-01-01","validTo":"1986-01-31","current":false,"derived":true,"evidenceMineId":"4606470","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606470|P12914|1982-01-01|C09510|1982-01-01|79848"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20658","name":"Omega Mining Company Inc"},"object":{"type":"mine","id":"4606470","name":"Omega Mine #100"},"validFrom":"1986-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606470|P20658|1986-02-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07417","name":"Avx Inc"},"object":{"type":"mine","id":"4606470","name":"Omega Mine #100"},"validFrom":"1986-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606470|C07417|1986-02-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07417","name":"Avx Inc"},"object":{"type":"operator","id":"P20658","name":"Omega Mining Company Inc"},"validFrom":"1986-02-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4606470","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606470|P20658|1986-02-01|C07417|1986-02-01|74528"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4606470","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"}}