# Muse Spark Open timeline

entity: /record/muse-spark-open.md  
id: ent_muse-spark-open  


## 2026

- 2026-10-15 | context_window | 1M-token | valid | [clm_086E8B7FB0F7](/claim/clm_086E8B7FB0F7.md)
- 2026-10-15 | model_release | Muse Spark Open | valid | [clm_D58FC12544C0](/claim/clm_D58FC12544C0.md)

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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.