{"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":"2103201","name":"WASH PLANT #1"},"operator":{"type":"operator","id":"L16481","name":"Skyline Companies, Inc"},"controller":{"type":"controller","id":"0199323","name":"Dedra  Reiner; Frank  Little; Craig  Reiner"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16481","name":"Skyline Companies, Inc"},"object":{"type":"mine","id":"2103201","name":"WASH PLANT #1"},"validFrom":"1999-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103201|L16481|1999-06-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12610","name":"Craig S  Reiner"},"object":{"type":"mine","id":"2103201","name":"WASH PLANT #1"},"validFrom":"1999-06-01","validTo":"2025-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103201|M12610|1999-06-01|2025-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12610","name":"Craig S  Reiner"},"object":{"type":"operator","id":"L16481","name":"Skyline Companies, Inc"},"validFrom":"1999-06-01","validTo":"2025-12-31","current":false,"derived":true,"evidenceMineId":"2103201","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103201|L16481|1999-06-01|M12610|1999-06-01|154135"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0199323","name":"Frank  Little et al"},"object":{"type":"mine","id":"2103201","name":"WASH PLANT #1"},"validFrom":"2026-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103201|0199323|2026-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0199323","name":"Frank  Little et al"},"object":{"type":"operator","id":"L16481","name":"Skyline Companies, Inc"},"validFrom":"2026-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103201","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103201|L16481|1999-06-01|0199323|2026-01-01|42438"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0199323","name":"Craig  Reiner et al"},"object":{"type":"operator","id":"L16481","name":"Skyline Companies, Inc"},"validFrom":"2026-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103201","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103201|L16481|1999-06-01|0199323|2026-01-01|42439"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0199323","name":"Dedra  Reiner et al"},"object":{"type":"operator","id":"L16481","name":"Skyline Companies, Inc"},"validFrom":"2026-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103201","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103201|L16481|1999-06-01|0199323|2026-01-01|42440"}}],"coverage":{"historyRecords":4,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2103201","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"}}