# clm_3D56C13ECCAC

subject: Claude (/record/claude.md)  
predicate: released  
value: Claude 2.1  
valid_from: 2023-11-21  
valid_to: null  
confidence: 0.70  
status: valid  
superseded_by: null  
first_seen: 2026-10-27  
last_updated: 2026-10-28  

## Sources

- https://www.anthropic.com/news/claude-2-1 (primary, Anthropic)
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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.