{"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":"3503873","name":"Jaw 1"},"operator":{"type":"operator","id":"0170474","name":"Marsh Creek Corp."},"controller":{"type":"controller","id":"0145341","name":"Chris  Dials"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0161213","name":"Chris Dials Contracting"},"object":{"type":"mine","id":"3503873","name":"Jaw 1"},"validFrom":"2018-10-30","validTo":"2020-05-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503873|0161213|2018-10-30|2020-05-11"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0145341","name":"Chris  Dials"},"object":{"type":"mine","id":"3503873","name":"Jaw 1"},"validFrom":"2018-10-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503873|0145341|2018-10-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0145341","name":"Chris  Dials"},"object":{"type":"operator","id":"0161213","name":"Chris Dials Contracting"},"validFrom":"2018-10-30","validTo":"2020-05-11","current":false,"derived":true,"evidenceMineId":"3503873","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503873|0161213|2018-10-30|0145341|2018-10-30|29754"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0170474","name":"Marsh Creek Corp."},"object":{"type":"mine","id":"3503873","name":"Jaw 1"},"validFrom":"2020-05-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503873|0170474|2020-05-12|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0145341","name":"Chris  Dials"},"object":{"type":"mine","id":"3503873","name":"Jaw 1"},"validFrom":"2020-05-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503873|0145341|2020-05-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0145341","name":"Chris  Dials"},"object":{"type":"operator","id":"0170474","name":"Marsh Creek Corp."},"validFrom":"2020-05-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"3503873","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503873|0170474|2020-05-12|0145341|2020-05-12|29755"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3503873","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"}}