{"entity":"muse-spark-1-3","id":"ent_muse-spark-1-3","name":"Muse Spark 1.3","predicate":"model_release","label":"release date","page":"https://asof.is/record/muse-spark-1-3/model_release","as_of":"2026-11-04","summary":"As of November 4, 2026, the AsOf record says Muse Spark 1.3 was released on September 2, 2026, from a primary source (research.meta.ai). The record holds 1 claim on Muse Spark 1.3's release, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.","current":["clm_EE6F63726448"],"latest_period":null,"claims":[{"id":"clm_EE6F63726448","value":"Muse Spark 1.3","valid_from":"2026-09-02","valid_to":null,"published":"2026-09-02","recorded":"2026-11-04","confidence":0.95,"status":"valid","assertable":true,"superseded_by":null,"sources":[{"url":"https://research.meta.ai/blog/introducing-muse-spark-1-3","tier":"primary","publisher":"Meta (Meta AI Research blog)","published_at":"2026-09-02T00:00:00+00:00"}],"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"}}],"replaced":[],"faq":[{"question":"When was Muse Spark 1.3 released?","answer":"On September 2, 2026, from a primary source (research.meta.ai) (status valid, confidence 0.95)."}],"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"}}}