# clm_4F4767BDBEFA

subject: Hugging Face Hub (/record/hugging-face-hub.md)  
predicate: feature_added  
value: Llama Guard 4  
valid_from: 2025-04-29  
valid_to: null  
published: 2025-04-29  
recorded: 2026-11-02  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-02  
checked: 2026-11-02 · its source page states the value and the date  

> Welcoming Llama Guard 4 on Hugging Face Hub Published April 29, 2025

What https://huggingface.co/blog/llama-guard-4 says, word for word.

## Sources

- https://huggingface.co/blog/llama-guard-4 (primary, Hugging Face, published 2025-04-29)

---

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