{"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":"4608713","name":"Mine #5"},"operator":{"type":"operator","id":"P21190","name":"Select Mining Inc"},"controller":{"type":"controller","id":"C09464","name":"James B  Simpkins"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09464","name":"James B  Simpkins"},"object":{"type":"mine","id":"4608713","name":"Mine #5"},"validFrom":"1990-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608713|C09464|1990-09-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23932","name":"Central Contracting Inc"},"object":{"type":"mine","id":"4608713","name":"Mine #5"},"validFrom":"1998-04-01","validTo":"1998-10-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608713|P23932|1998-04-01|1998-10-11"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15700","name":"J Steven  Cvechko Jr"},"object":{"type":"mine","id":"4608713","name":"Mine #5"},"validFrom":"1998-04-01","validTo":"1998-10-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608713|C15700|1998-04-01|1998-10-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15700","name":"J Steven  Cvechko Jr"},"object":{"type":"operator","id":"P23932","name":"Central Contracting Inc"},"validFrom":"1998-04-01","validTo":"1998-10-11","current":false,"derived":true,"evidenceMineId":"4608713","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608713|P23932|1998-04-01|C15700|1998-04-01|96566"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21190","name":"Select Mining Inc"},"object":{"type":"mine","id":"4608713","name":"Mine #5"},"validFrom":"1998-10-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608713|P21190|1998-10-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09464","name":"James B  Simpkins"},"object":{"type":"operator","id":"P21190","name":"Select Mining Inc"},"validFrom":"1998-10-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"4608713","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608713|P21190|1998-10-12|C09464|1990-09-01|79734"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4608713","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"}}