{"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":"2026-10-17T05:35:58.500035+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":"0600646","name":"NEW HAVEN PLANT"},"operator":{"type":"operator","id":"L16132","name":"Mls Construction Llc"},"controller":{"type":"controller","id":"M12326","name":"Spezzano Joseph Iii"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14204","name":"Joseph Spezzano Inc"},"object":{"type":"mine","id":"0600646","name":"NEW HAVEN PLANT"},"validFrom":"1995-07-01","validTo":"1998-09-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0600646|L14204|1995-07-01|1998-09-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10857","name":"Joseph  Spezzano"},"object":{"type":"mine","id":"0600646","name":"NEW HAVEN PLANT"},"validFrom":"1995-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0600646|M10857|1995-07-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10857","name":"Joseph  Spezzano"},"object":{"type":"operator","id":"L14204","name":"Joseph Spezzano Inc"},"validFrom":"1995-07-01","validTo":"1998-09-14","current":false,"derived":true,"evidenceMineId":"0600646","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0600646|L14204|1995-07-01|M10857|1995-07-01|150171"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16132","name":"Mls Construction Llc"},"object":{"type":"mine","id":"0600646","name":"NEW HAVEN PLANT"},"validFrom":"1998-09-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0600646|L16132|1998-09-15|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12326","name":"Spezzano Joseph Iii"},"object":{"type":"mine","id":"0600646","name":"NEW HAVEN PLANT"},"validFrom":"1998-09-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0600646|M12326|1998-09-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12326","name":"Spezzano Joseph Iii"},"object":{"type":"operator","id":"L16132","name":"Mls Construction Llc"},"validFrom":"1998-09-15","validTo":null,"current":true,"derived":true,"evidenceMineId":"0600646","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0600646|L16132|1998-09-15|M12326|1998-09-15|153550"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0600646","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}