{"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":"1517637","name":"#5"},"operator":{"type":"operator","id":"P20053","name":"Daves Branch Inc"},"controller":{"type":"controller","id":"C13696","name":"Larry  Yonts; Ray  Slone"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13696","name":"Ray  Slone et al"},"object":{"type":"mine","id":"1517637","name":"#5"},"validFrom":"1988-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517637|C13696|1988-11-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14045","name":"Florida Progress Corporation"},"object":{"type":"mine","id":"1517637","name":"#5"},"validFrom":"1989-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517637|C14045|1989-10-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20682","name":"Kentucky May Coal Company Inc"},"object":{"type":"mine","id":"1517637","name":"#5"},"validFrom":"1995-01-01","validTo":"1995-08-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517637|P20682|1995-01-01|1995-08-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14045","name":"Florida Progress Corporation"},"object":{"type":"operator","id":"P20682","name":"Kentucky May Coal Company Inc"},"validFrom":"1995-01-01","validTo":"1995-08-09","current":false,"derived":true,"evidenceMineId":"1517637","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517637|P20682|1995-01-01|C14045|1989-10-01|91840"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20053","name":"Daves Branch Inc"},"object":{"type":"mine","id":"1517637","name":"#5"},"validFrom":"1995-08-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517637|P20053|1995-08-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13696","name":"Ray  Slone et al"},"object":{"type":"operator","id":"P20053","name":"Daves Branch Inc"},"validFrom":"1995-08-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"1517637","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517637|P20053|1995-08-10|C13696|1988-11-01|90869"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13696","name":"Larry  Yonts et al"},"object":{"type":"operator","id":"P20053","name":"Daves Branch Inc"},"validFrom":"1995-08-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"1517637","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517637|P20053|1995-08-10|C13696|1988-11-01|90870"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1517637","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"}}