# Lorebook

id: ent_lorebook  
kind: product  
timeline: /timelines/lorebook.md  
page: /record/lorebook  

Feature giving Characters knowledge of their fictional worlds, made by Character.ai. Proposed by the feed ingest from Character.AI; not yet reviewed.

## All claims

One claim per line, newest first. Superseded claims stay visible.

- [Lorebook](/record/lorebook.md) | released | Lorebook | valid 2026-07-24 to present | conf 0.50 | unverified | [clm_8CFDE43073D6](/claim/clm_8CFDE43073D6.md)
  sources: https://blog.character.ai/lorebook/
- [Lorebook](/record/lorebook.md) | developer | [Character.ai](/record/character-ai.md) | valid 2026-07-24 to present | conf 0.70 | unverified | [clm_FFF8D4D1C7C7](/claim/clm_FFF8D4D1C7C7.md)
  sources: https://blog.character.ai/lorebook/
---

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