{"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":"0404243","name":"7/11 Materials Inc-Robie Ranch"},"operator":{"type":"operator","id":"L14168","name":"7/11 Materials Inc"},"controller":{"type":"controller","id":"M00826","name":"Reed Family Companies"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00826","name":"Reed Family Companies"},"object":{"type":"mine","id":"0404243","name":"7/11 Materials Inc-Robie Ranch"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404243|M00826|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01688","name":"Teichert Inc"},"object":{"type":"mine","id":"0404243","name":"7/11 Materials Inc-Robie Ranch"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404243|M01688|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00966","name":"George Reed Inc"},"object":{"type":"mine","id":"0404243","name":"7/11 Materials Inc-Robie Ranch"},"validFrom":"1978-03-09","validTo":"1983-12-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404243|L00966|1978-03-09|1983-12-07"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00826","name":"Reed Family Companies"},"object":{"type":"operator","id":"L00966","name":"George Reed Inc"},"validFrom":"1978-03-09","validTo":"1983-12-07","current":false,"derived":true,"evidenceMineId":"0404243","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404243|L00966|1978-03-09|M00826|1950-01-01|115076"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06891","name":"Teichert Aggregates"},"object":{"type":"mine","id":"0404243","name":"7/11 Materials Inc-Robie Ranch"},"validFrom":"1983-12-08","validTo":"2005-11-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404243|L06891|1983-12-08|2005-11-06"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01688","name":"Teichert Inc"},"object":{"type":"operator","id":"L06891","name":"Teichert Aggregates"},"validFrom":"1983-12-08","validTo":"2005-11-06","current":false,"derived":true,"evidenceMineId":"0404243","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404243|L06891|1983-12-08|M01688|1950-01-01|120286"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00826","name":"Reed Family Companies"},"object":{"type":"mine","id":"0404243","name":"7/11 Materials Inc-Robie Ranch"},"validFrom":"1995-04-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404243|M00826|1995-04-12|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14168","name":"7/11 Materials Inc"},"object":{"type":"mine","id":"0404243","name":"7/11 Materials Inc-Robie Ranch"},"validFrom":"2005-11-07","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404243|L14168|2005-11-07|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00826","name":"Reed Family Companies"},"object":{"type":"operator","id":"L14168","name":"7/11 Materials Inc"},"validFrom":"2005-11-07","validTo":null,"current":true,"derived":true,"evidenceMineId":"0404243","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404243|L14168|2005-11-07|M00826|1995-04-12|115082"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0404243","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"}}