# clm_459309604206

subject: Microsoft Windows (/record/windows.md)  
predicate: x_username  
value: Windows  
valid_from: 2008-07-31  
valid_to: null  
confidence: 0.60  
status: unverified  
superseded_by: null  
first_seen: 2026-10-27  
last_updated: 2026-10-27  

## Sources

- https://www.wikidata.org/wiki/Q1406 (secondary, Wikidata)
---

AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.