{"event":{"id":"evt-2025q4-gemini3","dedupe_key":"historical_material_change:2025-11-18:gemini-3-and-antigravity-are-introduced","event_type":"historical_material_change","title":"Gemini 3 and Antigravity are introduced","summary":"Google introduces Gemini 3 and a public preview of the Antigravity agent development platform.","occurred_at":"2025-11-18T00:00:00.000Z","published_at":"2025-11-18T00:00:00.000Z","observed_at":"2026-10-10T06:24:42.000Z","reconstructed_at":"2026-10-10T06:24:42.000Z","ingest_type":"live_world_scan","locations":null,"status":"verified","confidence":0.96,"metadata":{"what_happened_at_time":"Google introduces Gemini 3 and a public preview of the Antigravity agent development platform.","what_must_not_be_inferred":"Preview access and provider evaluations do not prove dependable unsupervised delivery.","availability_status":"model_and_platform_preview","affected_layers":["layer-models","layer-agents","layer-software"],"epistemic_status":"observed_fact","reported_capabilities_are_actor_claims":true,"time_precision":"day"},"created_at":"2026-10-10T08:37:10.921Z","updated_at":"2026-10-10T08:37:10.921Z"},"artifacts":[{"id":"art-2025q4-gemini3","dedupe_key":"94ba628d2b87af05335118301285a40e2f2c8235c7529b1779a3e378d149af01","canonical_url":"https://blog.google/products-and-platforms/products/gemini/gemini-3/","evidence_locator":"","artifact_type":"official_announcement","title":"Gemini 3 and Antigravity are introduced","summary":"Google introduces Gemini 3 and a public preview of the Antigravity agent development platform.","creator_entities":["Google"],"released_at":"2025-11-18T00:00:00.000Z","content_hash":null,"metadata":{"historical_scope":"2025-Q4","availability_status":"model_and_platform_preview"},"created_at":"2026-10-10T08:37:10.917Z","updated_at":"2026-10-10T08:37:10.917Z","relation":"documented_by"}],"signals":[{"id":"sig-2025q4-gemini3","statement":"Google introduces Gemini 3 and a public preview of the Antigravity agent development platform. Preview access and provider evaluations do not prove dependable unsupervised delivery.","signal_type":"historical_layer_delta","direction":"increasing","confidence":0.9,"epistemic_status":"supported_inference","mapping_mode":"retrospective","reconstructed_at":"2026-10-10T06:24:42.000Z","created_at":"2026-10-10T08:37:10.924Z","updated_at":"2026-10-10T08:37:10.924Z"}]}