{"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":"4605853","name":"Pinnacle Creek Mine"},"operator":{"type":"operator","id":"P22136","name":"Pinnacle Creek Mining Corp"},"controller":{"type":"controller","id":"C09443","name":"Thompson Elizabeth"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02529","name":"National Bulk Carriers"},"object":{"type":"mine","id":"4605853","name":"Pinnacle Creek Mine"},"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":"4605853|C02529|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02951","name":"United Pocahontas Coal Company"},"object":{"type":"mine","id":"4605853","name":"Pinnacle Creek Mine"},"validFrom":"1978-08-01","validTo":"1986-11-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605853|P02951|1978-08-01|1986-11-18"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02529","name":"National Bulk Carriers"},"object":{"type":"operator","id":"P02951","name":"United Pocahontas Coal Company"},"validFrom":"1978-08-01","validTo":"1986-11-18","current":false,"derived":true,"evidenceMineId":"4605853","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605853|P02951|1978-08-01|C02529|1950-01-01|59731"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P18774","name":"Barkers Ridge Coal Company"},"object":{"type":"mine","id":"4605853","name":"Pinnacle Creek Mine"},"validFrom":"1986-11-19","validTo":"1989-03-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605853|P18774|1986-11-19|1989-03-19"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00749","name":"Mutchler Paul"},"object":{"type":"mine","id":"4605853","name":"Pinnacle Creek Mine"},"validFrom":"1986-11-19","validTo":"1989-03-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605853|C00749|1986-11-19|1989-03-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00749","name":"Mutchler Paul"},"object":{"type":"operator","id":"P18774","name":"Barkers Ridge Coal Company"},"validFrom":"1986-11-19","validTo":"1989-03-19","current":false,"derived":true,"evidenceMineId":"4605853","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605853|P18774|1986-11-19|C00749|1986-11-19|49777"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20288","name":"Pinnacle Creek Mining Corp"},"object":{"type":"mine","id":"4605853","name":"Pinnacle Creek Mine"},"validFrom":"1989-03-20","validTo":"1992-08-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605853|P20288|1989-03-20|1992-08-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10107","name":"Camm Harry Et Al"},"object":{"type":"mine","id":"4605853","name":"Pinnacle Creek Mine"},"validFrom":"1989-03-20","validTo":"1992-08-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605853|C10107|1989-03-20|1992-08-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10107","name":"Camm Harry Et Al"},"object":{"type":"operator","id":"P20288","name":"Pinnacle Creek Mining Corp"},"validFrom":"1989-03-20","validTo":"1992-08-31","current":false,"derived":true,"evidenceMineId":"4605853","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605853|P20288|1989-03-20|C10107|1989-03-20|81251"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22136","name":"Pinnacle Creek Mining Corp"},"object":{"type":"mine","id":"4605853","name":"Pinnacle Creek Mine"},"validFrom":"1992-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605853|P22136|1992-09-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09443","name":"Thompson Elizabeth"},"object":{"type":"mine","id":"4605853","name":"Pinnacle Creek Mine"},"validFrom":"1992-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605853|C09443|1992-09-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09443","name":"Thompson Elizabeth"},"object":{"type":"operator","id":"P22136","name":"Pinnacle Creek Mining Corp"},"validFrom":"1992-09-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4605853","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605853|P22136|1992-09-01|C09443|1992-09-01|79680"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4605853","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"}}