{"entity":"muse-spark-1-3","name":"Muse Spark 1.3","events":[{"date":"2026-09-02","until":null,"published":"2026-09-02","recorded":"2026-11-04","predicate":"model_release","value":"Muse Spark 1.3","status":"valid","assertable":true,"id":"clm_EE6F63726448","evidence":{"by":"page-read","on":"2026-11-04","quote":"Introducing Muse Spark 1.3 September 2, 2026","url":"https://research.meta.ai/blog/introducing-muse-spark-1-3"}}],"complete":true,"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{},"checked_by":{"page-read":"its source page states the value and the date"}}}