{"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":"0202625","name":"PORTABLE CRUSHER #24"},"operator":{"type":"operator","id":"L15387","name":"Superstition Crushing L.L.C."},"controller":{"type":"controller","id":"M06863","name":"Johnny  Weik III"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06864","name":"John  Weik"},"object":{"type":"mine","id":"0202625","name":"PORTABLE CRUSHER #24"},"validFrom":"1986-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202625|M06864|1986-03-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06863","name":"Johnny  Weik III et al"},"object":{"type":"mine","id":"0202625","name":"PORTABLE CRUSHER #24"},"validFrom":"1993-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202625|M06863|1993-07-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L08664","name":"Sun Valley Mining Company"},"object":{"type":"mine","id":"0202625","name":"PORTABLE CRUSHER #24"},"validFrom":"1994-01-01","validTo":"1999-05-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202625|L08664|1994-01-01|1999-05-27"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06864","name":"John  Weik"},"object":{"type":"operator","id":"L08664","name":"Sun Valley Mining Company"},"validFrom":"1994-01-01","validTo":"1999-05-27","current":false,"derived":true,"evidenceMineId":"0202625","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202625|L08664|1994-01-01|M06864|1986-03-01|139551"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15387","name":"Superstition Crushing L.L.C."},"object":{"type":"mine","id":"0202625","name":"PORTABLE CRUSHER #24"},"validFrom":"1999-05-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202625|L15387|1999-05-28|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06863","name":"Johnny  Weik III et al"},"object":{"type":"operator","id":"L15387","name":"Superstition Crushing L.L.C."},"validFrom":"1999-05-28","validTo":null,"current":true,"derived":true,"evidenceMineId":"0202625","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202625|L15387|1999-05-28|M06863|1993-07-01|139534"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0202625","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"}}