{"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":"0405780","name":"Roberti Ranch"},"operator":{"type":"operator","id":"0139593","name":"Folchi Logging & Construction Inc"},"controller":{"type":"controller","id":"0118741","name":"Albert L Folchi; Carol J Folchi"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0099185","name":"Valley Materials & Equipment"},"object":{"type":"mine","id":"0405780","name":"Roberti Ranch"},"validFrom":"2009-03-26","validTo":"2015-06-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405780|0099185|2009-03-26|2015-06-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0083633","name":"Robert T  Tonini"},"object":{"type":"mine","id":"0405780","name":"Roberti Ranch"},"validFrom":"2009-03-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405780|0083633|2009-03-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0083633","name":"Robert T  Tonini"},"object":{"type":"operator","id":"0099185","name":"Valley Materials & Equipment"},"validFrom":"2009-03-26","validTo":"2015-06-30","current":false,"derived":true,"evidenceMineId":"0405780","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405780|0099185|2009-03-26|0083633|2009-03-26|13256"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0139593","name":"Folchi Logging & Construction Inc"},"object":{"type":"mine","id":"0405780","name":"Roberti Ranch"},"validFrom":"2015-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405780|0139593|2015-07-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0118741","name":"Albert L Folchi et al"},"object":{"type":"mine","id":"0405780","name":"Roberti Ranch"},"validFrom":"2015-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405780|0118741|2015-07-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0118741","name":"Albert L Folchi et al"},"object":{"type":"operator","id":"0139593","name":"Folchi Logging & Construction Inc"},"validFrom":"2015-07-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"0405780","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405780|0139593|2015-07-01|0118741|2015-07-01|22725"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0118741","name":"Carol J Folchi et al"},"object":{"type":"operator","id":"0139593","name":"Folchi Logging & Construction Inc"},"validFrom":"2015-07-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"0405780","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405780|0139593|2015-07-01|0118741|2015-07-01|22726"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0405780","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"}}