# clm_F894A55C3918

subject: Claude (/record/claude.md)  
predicate: feature_added  
value: citable documents  
valid_from: 2025-09-03  
valid_to: null  
published: 2025-09-03  
recorded: 2026-11-12  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-12  
cite: AsOf. "Claude feature added: citable documents", as of 2025-09-03. Claim clm_F894A55C3918, https://asof.is/claim/clm_F894A55C3918, accessed 2026-11-12. Source: https://platform.claude.com/docs/en/release-notes/overview#2025-09-03.  
checked: 2026-11-12 · its source page states the value and the date  

> September 3, 2025  We’ve launched support for citable documents in client-side tool results.

What https://platform.claude.com/docs/en/release-notes/overview#2025-09-03 says, word for word.

## Sources

- https://platform.claude.com/docs/en/release-notes/overview#2025-09-03 (primary, Anthropic, published 2025-09-03)

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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.
