{"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":"2026-10-18T09:31:49.615908+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":"2402222","name":"CASTLE ROCK"},"operator":{"type":"operator","id":"0083324","name":"Montana Rockworks Inc."},"controller":{"type":"controller","id":"0192760","name":"Brad  Mercord"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L18603","name":"Montana Rockworks LLP"},"object":{"type":"mine","id":"2402222","name":"CASTLE ROCK"},"validFrom":"2001-06-01","validTo":"2007-09-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"2402222|L18603|2001-06-01|2007-09-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M14319","name":"Brad  Mercord et al"},"object":{"type":"mine","id":"2402222","name":"CASTLE ROCK"},"validFrom":"2001-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"2402222|M14319|2001-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M14319","name":"Brad  Mercord et al"},"object":{"type":"operator","id":"L18603","name":"Montana Rockworks LLP"},"validFrom":"2001-06-01","validTo":"2007-09-13","current":false,"derived":true,"evidenceMineId":"2402222","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"2402222|L18603|2001-06-01|M14319|2001-06-01|157918"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M14319","name":"Bill  Carter et al"},"object":{"type":"operator","id":"L18603","name":"Montana Rockworks LLP"},"validFrom":"2001-06-01","validTo":"2007-09-13","current":false,"derived":true,"evidenceMineId":"2402222","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"2402222|L18603|2001-06-01|M14319|2001-06-01|157919"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0083324","name":"Montana Rockworks Inc."},"object":{"type":"mine","id":"2402222","name":"CASTLE ROCK"},"validFrom":"2007-09-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"2402222|0083324|2007-09-14|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M14319","name":"Brad  Mercord et al"},"object":{"type":"mine","id":"2402222","name":"CASTLE ROCK"},"validFrom":"2007-09-14","validTo":"2023-01-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"2402222|M14319|2007-09-14|2023-01-06"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M14319","name":"Brad  Mercord et al"},"object":{"type":"operator","id":"0083324","name":"Montana Rockworks Inc."},"validFrom":"2007-09-14","validTo":"2023-01-06","current":false,"derived":true,"evidenceMineId":"2402222","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"2402222|0083324|2007-09-14|M14319|2007-09-14|157932"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M14319","name":"Bill  Carter et al"},"object":{"type":"operator","id":"0083324","name":"Montana Rockworks Inc."},"validFrom":"2007-09-14","validTo":"2023-01-06","current":false,"derived":true,"evidenceMineId":"2402222","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"2402222|0083324|2007-09-14|M14319|2007-09-14|157933"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0192760","name":"Brad  Mercord"},"object":{"type":"mine","id":"2402222","name":"CASTLE ROCK"},"validFrom":"2023-01-07","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"2402222|0192760|2023-01-07|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0192760","name":"Brad  Mercord"},"object":{"type":"operator","id":"0083324","name":"Montana Rockworks Inc."},"validFrom":"2023-01-07","validTo":null,"current":true,"derived":true,"evidenceMineId":"2402222","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"2402222|0083324|2007-09-14|0192760|2023-01-07|41016"}}],"coverage":{"historyRecords":5,"edgeCount":10,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2402222","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}