{"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":"0202857","name":"CHASE-3CP"},"operator":{"type":"operator","id":"L14503","name":"Chase Crushing LLC"},"controller":{"type":"controller","id":"M11068","name":"Scott  Jones"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11068","name":"Scott  Jones"},"object":{"type":"mine","id":"0202857","name":"CHASE-3CP"},"validFrom":"1997-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202857|M11068|1997-02-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17160","name":"Ahern Rentals Inc"},"object":{"type":"mine","id":"0202857","name":"CHASE-3CP"},"validFrom":"1999-12-01","validTo":"2001-12-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202857|L17160|1999-12-01|2001-12-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11989","name":"Don F  Ahern"},"object":{"type":"mine","id":"0202857","name":"CHASE-3CP"},"validFrom":"1999-12-01","validTo":"2001-12-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202857|M11989|1999-12-01|2001-12-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11989","name":"Don F  Ahern"},"object":{"type":"operator","id":"L17160","name":"Ahern Rentals Inc"},"validFrom":"1999-12-01","validTo":"2001-12-10","current":false,"derived":true,"evidenceMineId":"0202857","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202857|L17160|1999-12-01|M11989|1999-12-01|152881"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14503","name":"Chase Crushing LLC"},"object":{"type":"mine","id":"0202857","name":"CHASE-3CP"},"validFrom":"2001-12-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202857|L14503|2001-12-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11068","name":"Scott  Jones"},"object":{"type":"operator","id":"L14503","name":"Chase Crushing LLC"},"validFrom":"2001-12-11","validTo":null,"current":true,"derived":true,"evidenceMineId":"0202857","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0202857|L14503|2001-12-11|M11068|1997-02-01|150639"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0202857","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"}}