{"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":"1001918","name":"McKinley Mine"},"operator":{"type":"operator","id":"0209953","name":"MCKINLEY MINE INC"},"controller":{"type":"controller","id":"0201081","name":"Eric Gregory  Klepfer"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14445","name":"Mixitron Inc"},"object":{"type":"mine","id":"1001918","name":"McKinley Mine"},"validFrom":"1996-03-01","validTo":"2006-11-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001918|L14445|1996-03-01|2006-11-26"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11027","name":"Chris  Bailey"},"object":{"type":"mine","id":"1001918","name":"McKinley Mine"},"validFrom":"1996-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001918|M11027|1996-03-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11027","name":"Chris  Bailey"},"object":{"type":"operator","id":"L14445","name":"Mixitron Inc"},"validFrom":"1996-03-01","validTo":"2006-11-26","current":false,"derived":true,"evidenceMineId":"1001918","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001918|L14445|1996-03-01|M11027|1996-03-01|150539"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0078744","name":"Caldera LLC"},"object":{"type":"mine","id":"1001918","name":"McKinley Mine"},"validFrom":"2006-11-27","validTo":"2019-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001918|0078744|2006-11-27|2019-05-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0066151","name":"Darrel E  Cox  et al"},"object":{"type":"mine","id":"1001918","name":"McKinley Mine"},"validFrom":"2006-11-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001918|0066151|2006-11-27|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0066151","name":"Darrel E  Cox  et al"},"object":{"type":"operator","id":"0078744","name":"Caldera LLC"},"validFrom":"2006-11-27","validTo":"2019-05-31","current":false,"derived":true,"evidenceMineId":"1001918","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001918|0078744|2006-11-27|0066151|2006-11-27|9172"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0066151","name":"Matthew  Miller  et al"},"object":{"type":"operator","id":"0078744","name":"Caldera LLC"},"validFrom":"2006-11-27","validTo":"2019-05-31","current":false,"derived":true,"evidenceMineId":"1001918","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001918|0078744|2006-11-27|0066151|2006-11-27|9173"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0165093","name":"MCKINLEY MINE, INC"},"object":{"type":"mine","id":"1001918","name":"McKinley Mine"},"validFrom":"2019-06-01","validTo":"2026-07-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001918|0165093|2019-06-01|2026-07-01"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0149441","name":"P M & Gold Mine Inc"},"object":{"type":"mine","id":"1001918","name":"McKinley Mine"},"validFrom":"2019-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001918|0149441|2019-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0149441","name":"P M & Gold Mine Inc"},"object":{"type":"operator","id":"0165093","name":"MCKINLEY MINE, INC"},"validFrom":"2019-06-01","validTo":"2026-07-01","current":false,"derived":true,"evidenceMineId":"1001918","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001918|0165093|2019-06-01|0149441|2019-06-01|30702"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0209953","name":"MCKINLEY MINE INC"},"object":{"type":"mine","id":"1001918","name":"McKinley Mine"},"validFrom":"2026-07-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001918|0209953|2026-07-02|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0201081","name":"Eric Gregory  Klepfer"},"object":{"type":"mine","id":"1001918","name":"McKinley Mine"},"validFrom":"2026-07-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001918|0201081|2026-07-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0201081","name":"Eric Gregory  Klepfer"},"object":{"type":"operator","id":"0209953","name":"MCKINLEY MINE INC"},"validFrom":"2026-07-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"1001918","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001918|0209953|2026-07-02|0201081|2026-07-02|42732"}}],"coverage":{"historyRecords":5,"edgeCount":13,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1001918","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"}}