{"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":"0201908","name":"Arizona Crushers Incorporated"},"operator":{"type":"operator","id":"L12050","name":"Arizona Crushers Inc"},"controller":{"type":"controller","id":"M09274","name":"Sanifill Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00751","name":"Geupel Carl M Construction Company Inc"},"object":{"type":"mine","id":"0201908","name":"Arizona Crushers Incorporated"},"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":"0201908|M00751|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00891","name":"Arizona Crushers Inc"},"object":{"type":"mine","id":"0201908","name":"Arizona Crushers Incorporated"},"validFrom":"1979-01-01","validTo":"1990-11-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201908|L00891|1979-01-01|1990-11-07"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00751","name":"Geupel Carl M Construction Company Inc"},"object":{"type":"operator","id":"L00891","name":"Arizona Crushers Inc"},"validFrom":"1979-01-01","validTo":"1990-11-07","current":false,"derived":true,"evidenceMineId":"0201908","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201908|L00891|1979-01-01|M00751|1950-01-01|114626"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12050","name":"Arizona Crushers Inc"},"object":{"type":"mine","id":"0201908","name":"Arizona Crushers Incorporated"},"validFrom":"1990-11-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201908|L12050|1990-11-08|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09274","name":"Sanifill Inc"},"object":{"type":"mine","id":"0201908","name":"Arizona Crushers Incorporated"},"validFrom":"1990-11-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201908|M09274|1990-11-08|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09274","name":"Sanifill Inc"},"object":{"type":"operator","id":"L12050","name":"Arizona Crushers Inc"},"validFrom":"1990-11-08","validTo":null,"current":true,"derived":true,"evidenceMineId":"0201908","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201908|L12050|1990-11-08|M09274|1990-11-08|146010"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0201908","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"}}