{"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":"3900015","name":"Carnelian #3 Quarry"},"operator":{"type":"operator","id":"L00067","name":"Cold Spring Granite Co"},"controller":{"type":"controller","id":"0184723","name":"Patrick  Alexander; Michael  O'Connor"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00108","name":"Patrick  Alexander"},"object":{"type":"mine","id":"3900015","name":"Carnelian #3 Quarry"},"validFrom":"1950-01-01","validTo":"2024-05-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3900015|M00108|1950-01-01|2024-05-20"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06099","name":"Robert Hunter Granite Company"},"object":{"type":"mine","id":"3900015","name":"Carnelian #3 Quarry"},"validFrom":"1950-01-01","validTo":"1983-01-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3900015|L06099|1950-01-01|1983-01-04"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M04876","name":"Eugene F  Patnoe"},"object":{"type":"mine","id":"3900015","name":"Carnelian #3 Quarry"},"validFrom":"1950-01-01","validTo":"1983-01-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3900015|M04876|1950-01-01|1983-01-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M04876","name":"Eugene F  Patnoe"},"object":{"type":"operator","id":"L06099","name":"Robert Hunter Granite Company"},"validFrom":"1950-01-01","validTo":"1983-01-04","current":false,"derived":true,"evidenceMineId":"3900015","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3900015|L06099|1950-01-01|M04876|1950-01-01|133116"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00067","name":"Cold Spring Granite Co"},"object":{"type":"mine","id":"3900015","name":"Carnelian #3 Quarry"},"validFrom":"1983-01-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3900015|L00067|1983-01-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00108","name":"Patrick  Alexander"},"object":{"type":"operator","id":"L00067","name":"Cold Spring Granite Co"},"validFrom":"1983-01-05","validTo":"2024-05-20","current":false,"derived":true,"evidenceMineId":"3900015","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3900015|L00067|1983-01-05|M00108|1950-01-01|104348"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0184723","name":"Michael  O'Connor"},"object":{"type":"mine","id":"3900015","name":"Carnelian #3 Quarry"},"validFrom":"2024-05-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3900015|0184723|2024-05-21|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0184723","name":"Michael  O'Connor"},"object":{"type":"operator","id":"L00067","name":"Cold Spring Granite Co"},"validFrom":"2024-05-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"3900015","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3900015|L00067|1983-01-05|0184723|2024-05-21|39429"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0184723","name":"Patrick  Alexander"},"object":{"type":"operator","id":"L00067","name":"Cold Spring Granite Co"},"validFrom":"2024-05-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"3900015","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3900015|L00067|1983-01-05|0184723|2024-05-21|39430"}}],"coverage":{"historyRecords":4,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3900015","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"}}