{"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":"3610234","name":"PETROSKY"},"operator":{"type":"operator","id":"0150995","name":"MATT KILMER FLAGSTONE"},"controller":{"type":"controller","id":"0133361","name":"Matt A Kilmer"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0133361","name":"Matt A Kilmer"},"object":{"type":"mine","id":"3610234","name":"PETROSKY"},"validFrom":"2017-04-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610234|0133361|2017-04-12|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0159613","name":"Rock-N-Wood LLC"},"object":{"type":"mine","id":"3610234","name":"PETROSKY"},"validFrom":"2018-04-09","validTo":"2023-03-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610234|0159613|2018-04-09|2023-03-19"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0143721","name":"Donald  Twining"},"object":{"type":"mine","id":"3610234","name":"PETROSKY"},"validFrom":"2018-04-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610234|0143721|2018-04-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0143721","name":"Donald  Twining"},"object":{"type":"operator","id":"0159613","name":"Rock-N-Wood LLC"},"validFrom":"2018-04-09","validTo":"2023-03-19","current":false,"derived":true,"evidenceMineId":"3610234","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610234|0159613|2018-04-09|0143721|2018-04-09|29134"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0150995","name":"Matt Kilmer Flagstone"},"object":{"type":"mine","id":"3610234","name":"PETROSKY"},"validFrom":"2023-03-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610234|0150995|2023-03-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0133361","name":"Matt A Kilmer"},"object":{"type":"operator","id":"0150995","name":"Matt Kilmer Flagstone"},"validFrom":"2023-03-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"3610234","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610234|0150995|2023-03-20|0133361|2017-04-12|26816"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3610234","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"}}