{"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":"3608737","name":"RAINBOW QUARRY"},"operator":{"type":"operator","id":"L16975","name":"Timothy M Smith"},"controller":{"type":"controller","id":"M12956","name":"Timothy M  Smith"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15958","name":"Finch Flagstone"},"object":{"type":"mine","id":"3608737","name":"RAINBOW QUARRY"},"validFrom":"1998-06-01","validTo":"1999-09-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608737|L15958|1998-06-01|1999-09-22"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12171","name":"Sam  Finch  et al"},"object":{"type":"mine","id":"3608737","name":"RAINBOW QUARRY"},"validFrom":"1998-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608737|M12171|1998-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12171","name":"Sam  Finch  et al"},"object":{"type":"operator","id":"L15958","name":"Finch Flagstone"},"validFrom":"1998-06-01","validTo":"1999-09-22","current":false,"derived":true,"evidenceMineId":"3608737","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608737|L15958|1998-06-01|M12171|1998-06-01|153234"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12171","name":"Tim  Finch  et al"},"object":{"type":"operator","id":"L15958","name":"Finch Flagstone"},"validFrom":"1998-06-01","validTo":"1999-09-22","current":false,"derived":true,"evidenceMineId":"3608737","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608737|L15958|1998-06-01|M12171|1998-06-01|153235"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16975","name":"Timothy M Smith"},"object":{"type":"mine","id":"3608737","name":"RAINBOW QUARRY"},"validFrom":"1999-09-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608737|L16975|1999-09-23|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12956","name":"Timothy M  Smith"},"object":{"type":"mine","id":"3608737","name":"RAINBOW QUARRY"},"validFrom":"1999-09-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608737|M12956|1999-09-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12956","name":"Timothy M  Smith"},"object":{"type":"operator","id":"L16975","name":"Timothy M Smith"},"validFrom":"1999-09-23","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608737","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608737|L16975|1999-09-23|M12956|1999-09-23|155012"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3608737","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"}}