{"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":"4201052","name":"Lone Pine Quarry"},"operator":{"type":"operator","id":"L17622","name":"Gold Star Stone Inc"},"controller":{"type":"controller","id":"M13439","name":"Barry  Peterson"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L08764","name":"Star Stone Inc"},"object":{"type":"mine","id":"4201052","name":"Lone Pine Quarry"},"validFrom":"1950-01-01","validTo":"1986-07-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4201052|L08764|1950-01-01|1986-07-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06939","name":"Whiteley W B"},"object":{"type":"mine","id":"4201052","name":"Lone Pine Quarry"},"validFrom":"1950-01-01","validTo":"1986-07-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4201052|M06939|1950-01-01|1986-07-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06939","name":"Whiteley W B"},"object":{"type":"operator","id":"L08764","name":"Star Stone Inc"},"validFrom":"1950-01-01","validTo":"1986-07-21","current":false,"derived":true,"evidenceMineId":"4201052","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4201052|L08764|1950-01-01|M06939|1950-01-01|139654"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06940","name":"Mac Kay Keith P"},"object":{"type":"mine","id":"4201052","name":"Lone Pine Quarry"},"validFrom":"1983-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4201052|M06940|1983-08-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L08765","name":"Lone Pine Quarries"},"object":{"type":"mine","id":"4201052","name":"Lone Pine Quarry"},"validFrom":"1986-07-22","validTo":"2000-08-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4201052|L08765|1986-07-22|2000-08-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06940","name":"Mac Kay Keith P"},"object":{"type":"operator","id":"L08765","name":"Lone Pine Quarries"},"validFrom":"1986-07-22","validTo":"2000-08-08","current":false,"derived":true,"evidenceMineId":"4201052","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4201052|L08765|1986-07-22|M06940|1983-08-01|139655"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13439","name":"Barry  Peterson"},"object":{"type":"mine","id":"4201052","name":"Lone Pine Quarry"},"validFrom":"2000-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4201052|M13439|2000-08-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17622","name":"Gold Star Stone Inc"},"object":{"type":"mine","id":"4201052","name":"Lone Pine Quarry"},"validFrom":"2000-08-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4201052|L17622|2000-08-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13439","name":"Barry  Peterson"},"object":{"type":"operator","id":"L17622","name":"Gold Star Stone Inc"},"validFrom":"2000-08-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"4201052","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4201052|L17622|2000-08-09|M13439|2000-08-01|156267"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4201052","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"}}