{"event":{"id":"evt-hist-2026phase29-reka-rho1-research-preview","dedupe_key":"research_model_preview:2026-10-05:reka-publishes-rho-1-19b-multimodal-world-action-research-preview","event_type":"research_model_preview","title":"Reka publishes Rho-1 19B multimodal world-action research preview","summary":"Reka presented a research preview of a 19B unified text/image/video/action model on Oct 5. It calls the system a proof of concept and reports demos rather than widespread production robotics capability.","occurred_at":"2026-10-05T00:00:00.000Z","published_at":"2026-10-05T00:00:00.000Z","observed_at":"2026-10-18T08:45:00.000Z","reconstructed_at":"2026-10-18T08:45:00.000Z","ingest_type":"historical_backfill","locations":null,"status":"verified","confidence":0.87,"metadata":{"global_canonical_novelty_not_proven":1,"no_unproven_outcomes":1,"original_index_position":1045,"publication_milestone_only":1},"created_at":"2026-10-19T05:55:03.302Z","updated_at":"2026-10-19T05:55:03.302Z"},"artifacts":[{"id":"art-hist-2026phase29-reka-rho1-research-preview","dedupe_key":"0ed2d4506375f6b93e0843e65bd86e4471fd9dc96143bb2940c83977f2aa5382","canonical_url":"https://reka.ai/news/rho-1-collapsing-the-multimodal-stack","evidence_locator":"","artifact_type":"source_publication","title":"Reka publishes Rho-1 19B multimodal world-action research preview","summary":"","creator_entities":[],"released_at":"2026-10-05T00:00:00.000Z","content_hash":null,"metadata":[],"created_at":"2026-10-19T05:55:03.302Z","updated_at":"2026-10-19T05:55:03.302Z","relation":"documented_by"}],"signals":[]}