{"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":"4704001","name":"Wash Plant #2"},"operator":{"type":"operator","id":"L13753","name":"Angelo Luppino, Inc."},"controller":{"type":"controller","id":"0133601","name":"Paul  Luppino"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10491","name":"Angelo  Luppino"},"object":{"type":"mine","id":"4704001","name":"Wash Plant #2"},"validFrom":"1994-09-01","validTo":"2017-05-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4704001|M10491|1994-09-01|2017-05-11"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0133601","name":"Paul  Luppino"},"object":{"type":"mine","id":"4704001","name":"Wash Plant #2"},"validFrom":"2017-05-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4704001|0133601|2017-05-12|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L13753","name":"Angelo Luppino, Inc."},"object":{"type":"mine","id":"4704001","name":"Wash Plant #2"},"validFrom":"2026-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4704001|L13753|2026-07-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0133601","name":"Paul  Luppino"},"object":{"type":"operator","id":"L13753","name":"Angelo Luppino, Inc."},"validFrom":"2026-07-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4704001","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4704001|L13753|2026-07-01|0133601|2017-05-12|26910"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10491","name":"Angelo  Luppino"},"object":{"type":"operator","id":"L13753","name":"Angelo Luppino, Inc."},"validFrom":"2026-07-01","validTo":"2017-05-11","current":false,"derived":true,"evidenceMineId":"4704001","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4704001|L13753|2026-07-01|M10491|1994-09-01|149357"}}],"coverage":{"historyRecords":2,"edgeCount":5,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4704001","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"}}