# clm_9CF942AD287F

subject: Allen Institute for AI (/record/allen-institute-for-ai.md)  
predicate: model_release  
value: allenai/ACE2-SHiELD  
valid_from: 2026-06-15  
valid_to: null  
confidence: 0.90  
status: valid  
superseded_by: null  
first_seen: 2026-10-27  
last_updated: 2026-10-27  

## Sources

- https://huggingface.co/allenai/ACE2-SHiELD (primary, allenai)
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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.