{"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":"3608647","name":"Bullskin Tipple"},"operator":{"type":"operator","id":"P24424","name":"Bullskin Tipple Company"},"controller":{"type":"controller","id":"C15640","name":"Theodore  Yowonske; Michaelangelo P  Ripepi"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23882","name":"Bullskin Tipple Company"},"object":{"type":"mine","id":"3608647","name":"Bullskin Tipple"},"validFrom":"1997-06-01","validTo":"1999-12-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608647|P23882|1997-06-01|1999-12-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15670","name":"Ripepi Michaelangelo & Elton Coal Company"},"object":{"type":"mine","id":"3608647","name":"Bullskin Tipple"},"validFrom":"1997-06-01","validTo":"1999-12-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608647|C15670|1997-06-01|1999-12-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15670","name":"Ripepi Michaelangelo & Elton Coal Company"},"object":{"type":"operator","id":"P23882","name":"Bullskin Tipple Company"},"validFrom":"1997-06-01","validTo":"1999-12-30","current":false,"derived":true,"evidenceMineId":"3608647","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608647|P23882|1997-06-01|C15670|1997-06-01|96488"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24424","name":"Bullskin Tipple Company"},"object":{"type":"mine","id":"3608647","name":"Bullskin Tipple"},"validFrom":"1999-12-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608647|P24424|1999-12-31|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15640","name":"Theodore  Yowonske et al"},"object":{"type":"mine","id":"3608647","name":"Bullskin Tipple"},"validFrom":"1999-12-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608647|C15640|1999-12-31|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15640","name":"Theodore  Yowonske et al"},"object":{"type":"operator","id":"P24424","name":"Bullskin Tipple Company"},"validFrom":"1999-12-31","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608647","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608647|P24424|1999-12-31|C15640|1999-12-31|96422"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15640","name":"Michaelangelo P  Ripepi et al"},"object":{"type":"operator","id":"P24424","name":"Bullskin Tipple Company"},"validFrom":"1999-12-31","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608647","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608647|P24424|1999-12-31|C15640|1999-12-31|96423"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3608647","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"}}