{"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":"1513996","name":"Kids Coal Co"},"operator":{"type":"operator","id":"P14269","name":"Kids Coal Company"},"controller":{"type":"controller","id":"C10382","name":"Griffith Clyde"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14269","name":"Kids Coal Company"},"object":{"type":"mine","id":"1513996","name":"Kids Coal Co"},"validFrom":"1983-03-01","validTo":"1983-08-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513996|P14269|1983-03-01|1983-08-08"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10382","name":"Griffith Clyde"},"object":{"type":"mine","id":"1513996","name":"Kids Coal Co"},"validFrom":"1983-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513996|C10382|1983-03-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10382","name":"Griffith Clyde"},"object":{"type":"operator","id":"P14269","name":"Kids Coal Company"},"validFrom":"1983-03-01","validTo":"1983-08-08","current":false,"derived":true,"evidenceMineId":"1513996","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513996|P14269|1983-03-01|C10382|1983-03-01|81883"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14727","name":"Kids Coal Company"},"object":{"type":"mine","id":"1513996","name":"Kids Coal Co"},"validFrom":"1983-08-09","validTo":"1983-10-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513996|P14727|1983-08-09|1983-10-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10651","name":"Wilson Billy & Tony Powers"},"object":{"type":"mine","id":"1513996","name":"Kids Coal Co"},"validFrom":"1983-08-09","validTo":"1983-10-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513996|C10651|1983-08-09|1983-10-27"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10651","name":"Wilson Billy & Tony Powers"},"object":{"type":"operator","id":"P14727","name":"Kids Coal Company"},"validFrom":"1983-08-09","validTo":"1983-10-27","current":false,"derived":true,"evidenceMineId":"1513996","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513996|P14727|1983-08-09|C10651|1983-08-09|82497"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14269","name":"Kids Coal Company"},"object":{"type":"mine","id":"1513996","name":"Kids Coal Co"},"validFrom":"1983-10-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513996|P14269|1983-10-28|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10382","name":"Griffith Clyde"},"object":{"type":"operator","id":"P14269","name":"Kids Coal Company"},"validFrom":"1983-10-28","validTo":null,"current":true,"derived":true,"evidenceMineId":"1513996","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513996|P14269|1983-10-28|C10382|1983-03-01|81884"}}],"coverage":{"historyRecords":3,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1513996","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"}}