{"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":"2026-10-18T09:31:49.615908+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":"1102612","name":"Blue Flame Coal Co Mine (Culm)"},"operator":{"type":"operator","id":"P08199","name":"Blue Flame Coal Company Inc"},"controller":{"type":"controller","id":"C06596","name":"Behm Herman"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P07019","name":"Blue Flame Coal Company"},"object":{"type":"mine","id":"1102612","name":"Blue Flame Coal Co Mine (Culm)"},"validFrom":"1977-08-01","validTo":"1978-05-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1102612|P07019|1977-08-01|1978-05-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05817","name":"Ferrell Kenneth"},"object":{"type":"mine","id":"1102612","name":"Blue Flame Coal Co Mine (Culm)"},"validFrom":"1977-08-01","validTo":"1978-05-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1102612|C05817|1977-08-01|1978-05-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05817","name":"Ferrell Kenneth"},"object":{"type":"operator","id":"P07019","name":"Blue Flame Coal Company"},"validFrom":"1977-08-01","validTo":"1978-05-09","current":false,"derived":true,"evidenceMineId":"1102612","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1102612|P07019|1977-08-01|C05817|1977-08-01|69956"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P08199","name":"Blue Flame Coal Company Inc"},"object":{"type":"mine","id":"1102612","name":"Blue Flame Coal Co Mine (Culm)"},"validFrom":"1978-05-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1102612|P08199|1978-05-10|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06596","name":"Behm Herman"},"object":{"type":"mine","id":"1102612","name":"Blue Flame Coal Co Mine (Culm)"},"validFrom":"1978-05-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1102612|C06596|1978-05-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06596","name":"Behm Herman"},"object":{"type":"operator","id":"P08199","name":"Blue Flame Coal Company Inc"},"validFrom":"1978-05-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"1102612","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1102612|P08199|1978-05-10|C06596|1978-05-10|72228"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1102612","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}