{"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":"3604517","name":"Tedesco Strip"},"operator":{"type":"operator","id":"P05582","name":"Tedesco Coal Company"},"controller":{"type":"controller","id":"C04650","name":"Tedesco William"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02305","name":"James  Filiaggi"},"object":{"type":"mine","id":"3604517","name":"Tedesco Strip"},"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":"3604517|C02305|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P05582","name":"Tedesco Coal Company"},"object":{"type":"mine","id":"3604517","name":"Tedesco Strip"},"validFrom":"1972-01-01","validTo":"1977-05-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3604517|P05582|1972-01-01|1977-05-04"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04650","name":"Tedesco William"},"object":{"type":"mine","id":"3604517","name":"Tedesco Strip"},"validFrom":"1972-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3604517|C04650|1972-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04650","name":"Tedesco William"},"object":{"type":"operator","id":"P05582","name":"Tedesco Coal Company"},"validFrom":"1972-01-01","validTo":"1977-05-04","current":false,"derived":true,"evidenceMineId":"3604517","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3604517|P05582|1972-01-01|C04650|1972-01-01|66373"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02673","name":"Lawrence Coal Company"},"object":{"type":"mine","id":"3604517","name":"Tedesco Strip"},"validFrom":"1977-05-05","validTo":"1977-07-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3604517|P02673|1977-05-05|1977-07-07"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02305","name":"James  Filiaggi"},"object":{"type":"operator","id":"P02673","name":"Lawrence Coal Company"},"validFrom":"1977-05-05","validTo":"1977-07-07","current":false,"derived":true,"evidenceMineId":"3604517","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3604517|P02673|1977-05-05|C02305|1950-01-01|58092"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P05582","name":"Tedesco Coal Company"},"object":{"type":"mine","id":"3604517","name":"Tedesco Strip"},"validFrom":"1977-07-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3604517|P05582|1977-07-08|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04650","name":"Tedesco William"},"object":{"type":"operator","id":"P05582","name":"Tedesco Coal Company"},"validFrom":"1977-07-08","validTo":null,"current":true,"derived":true,"evidenceMineId":"3604517","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3604517|P05582|1977-07-08|C04650|1972-01-01|66374"}}],"coverage":{"historyRecords":3,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3604517","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"}}