{"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":"1518198","name":"PANTHER MINE"},"operator":{"type":"operator","id":"0190634","name":"Bluegrass Natural Resources, LLC"},"controller":{"type":"controller","id":"0178863","name":"Javelin Global Commodities (UK) Ltd"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07082","name":"Cumberland Resources Corporation"},"object":{"type":"mine","id":"1518198","name":"PANTHER MINE"},"validFrom":"1994-08-01","validTo":"2010-04-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|C07082|1994-08-01|2010-04-18"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24317","name":"Panther Mining LLC"},"object":{"type":"mine","id":"1518198","name":"PANTHER MINE"},"validFrom":"1999-09-01","validTo":"2012-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|P24317|1999-09-01|2012-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07082","name":"Cumberland Resources Corporation"},"object":{"type":"mine","id":"1518198","name":"PANTHER MINE"},"validFrom":"1999-09-01","validTo":"2010-04-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|C07082|1999-09-01|2010-04-18"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07082","name":"Cumberland Resources Corporation"},"object":{"type":"operator","id":"P24317","name":"Panther Mining LLC"},"validFrom":"1999-09-01","validTo":"2010-04-18","current":false,"derived":true,"evidenceMineId":"1518198","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|P24317|1999-09-01|C07082|1999-09-01|73731"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15863","name":"Jeffery A  Hoops"},"object":{"type":"mine","id":"1518198","name":"PANTHER MINE"},"validFrom":"2009-05-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|C15863|2009-05-08|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"mine","id":"1518198","name":"PANTHER MINE"},"validFrom":"2010-04-19","validTo":"2011-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|C02508|2010-04-19|2011-05-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"P24317","name":"Panther Mining LLC"},"validFrom":"2010-04-19","validTo":"2011-05-31","current":false,"derived":true,"evidenceMineId":"1518198","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|P24317|1999-09-01|C02508|2010-04-19|59560"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"mine","id":"1518198","name":"PANTHER MINE"},"validFrom":"2011-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|0041211|2011-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"P24317","name":"Panther Mining LLC"},"validFrom":"2011-06-01","validTo":"2012-12-31","current":false,"derived":true,"evidenceMineId":"1518198","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|P24317|1999-09-01|0041211|2011-06-01|2248"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22905","name":"North Fork Coal Corporation"},"object":{"type":"mine","id":"1518198","name":"PANTHER MINE"},"validFrom":"2013-01-01","validTo":"2015-07-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|P22905|2013-01-01|2015-07-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"P22905","name":"North Fork Coal Corporation"},"validFrom":"2013-01-01","validTo":"2015-07-30","current":false,"derived":true,"evidenceMineId":"1518198","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|P22905|2013-01-01|0041211|2011-06-01|2249"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"P22905","name":"North Fork Coal Corporation"},"validFrom":"2013-01-01","validTo":"2011-05-31","current":false,"derived":true,"evidenceMineId":"1518198","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|P22905|2013-01-01|C02508|2010-04-19|59561"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07082","name":"Cumberland Resources Corporation"},"object":{"type":"operator","id":"P22905","name":"North Fork Coal Corporation"},"validFrom":"2013-01-01","validTo":"2010-04-18","current":false,"derived":true,"evidenceMineId":"1518198","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|P22905|2013-01-01|C07082|1994-08-01|73691"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0100767","name":"Blackjewel L.L.C."},"object":{"type":"mine","id":"1518198","name":"PANTHER MINE"},"validFrom":"2015-07-31","validTo":"2019-09-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|0100767|2015-07-31|2019-09-18"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15863","name":"Jeffery A  Hoops"},"object":{"type":"operator","id":"0100767","name":"Blackjewel L.L.C."},"validFrom":"2015-07-31","validTo":"2019-09-18","current":false,"derived":true,"evidenceMineId":"1518198","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|0100767|2015-07-31|C15863|2009-05-08|97218"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0166593","name":"INMET Mining, LLC."},"object":{"type":"mine","id":"1518198","name":"PANTHER MINE"},"validFrom":"2019-09-19","validTo":"2023-08-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|0166593|2019-09-19|2023-08-02"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0145041","name":"Industrial Minerals Group LLC"},"object":{"type":"mine","id":"1518198","name":"PANTHER MINE"},"validFrom":"2019-09-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|0145041|2019-09-19|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0145041","name":"Industrial Minerals Group LLC"},"object":{"type":"operator","id":"0166593","name":"INMET Mining, LLC."},"validFrom":"2019-09-19","validTo":"2023-08-02","current":false,"derived":true,"evidenceMineId":"1518198","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|0166593|2019-09-19|0145041|2019-09-19|29614"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0190634","name":"Bluegrass Natural Resources, LLC"},"object":{"type":"mine","id":"1518198","name":"PANTHER MINE"},"validFrom":"2023-08-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|0190634|2023-08-03|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0178863","name":"Javelin Global Commodities (UK) Ltd"},"object":{"type":"mine","id":"1518198","name":"PANTHER MINE"},"validFrom":"2023-08-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|0178863|2023-08-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0178863","name":"Javelin Global Commodities (UK) Ltd"},"object":{"type":"operator","id":"0190634","name":"Bluegrass Natural Resources, LLC"},"validFrom":"2023-08-03","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518198","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518198|0190634|2023-08-03|0178863|2023-08-03|38308"}}],"coverage":{"historyRecords":9,"edgeCount":21,"intervalAnomalies":2,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1518198","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"}}