{"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":"4405064","name":"No 5 Mine"},"operator":{"type":"operator","id":"P11864","name":"Paramont Mining Corp"},"controller":{"type":"controller","id":"C08129","name":"M A Hanna Company; W R Grace Company"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05655","name":"Barber Oil Corp"},"object":{"type":"mine","id":"4405064","name":"No 5 Mine"},"validFrom":"1976-09-21","validTo":"1981-04-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405064|C05655|1976-09-21|1981-04-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01091","name":"Elkins Charles C Et Al"},"object":{"type":"mine","id":"4405064","name":"No 5 Mine"},"validFrom":"1977-10-01","validTo":"1978-09-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405064|C01091|1977-10-01|1978-09-14"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P07239","name":"Rhonda Lou Energy Corp"},"object":{"type":"mine","id":"4405064","name":"No 5 Mine"},"validFrom":"1978-07-01","validTo":"1978-09-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405064|P07239|1978-07-01|1978-09-06"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01091","name":"Elkins Charles C Et Al"},"object":{"type":"operator","id":"P07239","name":"Rhonda Lou Energy Corp"},"validFrom":"1978-07-01","validTo":"1978-09-06","current":false,"derived":true,"evidenceMineId":"4405064","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405064|P07239|1978-07-01|C01091|1977-10-01|52214"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P03285","name":"Paramont Mining Corp"},"object":{"type":"mine","id":"4405064","name":"No 5 Mine"},"validFrom":"1978-09-07","validTo":"1981-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405064|P03285|1978-09-07|1981-03-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05655","name":"Barber Oil Corp"},"object":{"type":"operator","id":"P03285","name":"Paramont Mining Corp"},"validFrom":"1978-09-07","validTo":"1981-03-31","current":false,"derived":true,"evidenceMineId":"4405064","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405064|P03285|1978-09-07|C05655|1976-09-21|69489"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11864","name":"Paramont Mining Corp"},"object":{"type":"mine","id":"4405064","name":"No 5 Mine"},"validFrom":"1981-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405064|P11864|1981-04-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08129","name":"M A Hanna Company et al"},"object":{"type":"mine","id":"4405064","name":"No 5 Mine"},"validFrom":"1981-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405064|C08129|1981-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08129","name":"M A Hanna Company et al"},"object":{"type":"operator","id":"P11864","name":"Paramont Mining Corp"},"validFrom":"1981-04-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4405064","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405064|P11864|1981-04-01|C08129|1981-04-01|76494"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08129","name":"W R Grace Company et al"},"object":{"type":"operator","id":"P11864","name":"Paramont Mining Corp"},"validFrom":"1981-04-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4405064","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405064|P11864|1981-04-01|C08129|1981-04-01|76495"}}],"coverage":{"historyRecords":4,"edgeCount":10,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4405064","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"}}