{"passport":{"slug":"anticipatory-music-transformer","display_name":"Anticipatory Music Transformer","model_type":"audio","parameter_count":"100M to 780M (multiple variants)","context_window":"1024 tokens (approximately 15 seconds)","claimed_developer":"Stanford CRFM","confirmed_developer":"Stanford CRFM","developer_display":"Stanford CRFM","developer_confirmed_at":"2023-06-16T00:00:00+00:00","developer_source":"Confirmed via https://crfm.stanford.edu/2023/06/16/anticipatory-music-transformer.html (attribution date basis: official_announcement)","first_appeared_at":"2023-06-16T00:00:00+00:00","first_appeared_on":"hacker_news_comment","status":"confirmed","availability":null,"deployment_status":"not_deployed","availability_scope":null,"gate":2,"eu_ai_act":null,"regulatory_status":{},"open_source":true,"weights_available":true,"license":"Apache License 2.0","provenance_chain":[],"parent_model":null,"model_family":null,"superseded_by":null,"supersedes":[],"recommended_replacement":null,"product_links":null},"events":[{"event_type":"developer_corrected","event_date":"2026-08-26T00:00:00+00:00","title":"Correction: disposition authority vs execution actor","detail":"The confirmation event on this row at 2026-08-26T13:32:44.068587+00:00 recorded data.disposition=\"human\" with actor=\"stark-raaw\". That is imprecise and is corrected here rather than rewritten. AUTHORITY was human — Do Raaw — by explicit ruling (Do GO x4 (S248, ~17:0x CEST), GO 2 — 'the actor each event carries; correction event per row, never a rewrite'). EXECUTION was performed by stark-raaw, an AGENT, not a person. The developer attribution and the evidence class on the original event are UNCHANGED and remain correct; only the claim about who performed the disposition is narrowed. Raised by Stark against his own record: asserting human-in-the-loop where the actor was a process is the same defect filed the same day against scripts/ack-redalert.cjs.","source_url":null,"source_name":"stark-raaw"},{"event_type":"first_appearance","event_date":"2023-06-16T00:00:00+00:00","title":"First recorded in AI news","detail":"Stanford's Center for Research on Foundation Models released the Anticipatory Music Transformer, a model designed for music generation and autocompletion tasks. The model is suggested as a candidate for distillation to create smaller on-device music completion systems, with particular attention to representation decisions in the model architecture.","source_url":"https://news.ycombinator.com/item?id=49377302","source_name":"hacker_news_comment"}],"delta":{"days_unattributed":0,"claimed_developer":"Stanford CRFM","confirmed_developer":"Stanford CRFM","match":true}}