{"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":"1800497","name":"FURNACE BAY PLANT"},"operator":{"type":"operator","id":"L01161","name":"Stancills Inc"},"controller":{"type":"controller","id":"0140301","name":"Pierce  Flanigan"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01161","name":"Stancills Inc"},"object":{"type":"mine","id":"1800497","name":"FURNACE BAY PLANT"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1800497|L01161|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01012","name":"Terry D  Stancill et al"},"object":{"type":"mine","id":"1800497","name":"FURNACE BAY PLANT"},"validFrom":"1950-01-01","validTo":"2017-11-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1800497|M01012|1950-01-01|2017-11-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01012","name":"Terry D  Stancill et al"},"object":{"type":"operator","id":"L01161","name":"Stancills Inc"},"validFrom":"1950-01-01","validTo":"2017-11-02","current":false,"derived":true,"evidenceMineId":"1800497","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1800497|L01161|1950-01-01|M01012|1950-01-01|116476"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0140301","name":"Pierce  Flanigan"},"object":{"type":"mine","id":"1800497","name":"FURNACE BAY PLANT"},"validFrom":"2017-11-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1800497|0140301|2017-11-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0140301","name":"Pierce  Flanigan"},"object":{"type":"operator","id":"L01161","name":"Stancills Inc"},"validFrom":"2017-11-03","validTo":null,"current":true,"derived":true,"evidenceMineId":"1800497","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1800497|L01161|1950-01-01|0140301|2017-11-03|28428"}}],"coverage":{"historyRecords":2,"edgeCount":5,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1800497","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"}}