{"event":{"id":"evt-2024q4-trainium2","dedupe_key":"historical_material_change:2024-12-03:trainium2-ec2-instances-become-generally-available","event_type":"historical_material_change","title":"Trainium2 EC2 instances become generally available","summary":"AWS made Trn2 instances GA in US East Ohio through Capacity Blocks; UltraServers remained preview.","occurred_at":"2024-12-03T00:00:00.000Z","published_at":"2024-12-03T00:00:00.000Z","observed_at":"2026-10-09T19:12:47.000Z","reconstructed_at":"2026-10-09T19:12:47.000Z","ingest_type":"live_world_scan","locations":null,"status":"verified","confidence":0.97,"metadata":{"what_happened_at_time":"AWS made Trn2 instances GA in US East Ohio through Capacity Blocks; UltraServers remained preview.","what_must_not_be_inferred":"Regional GA is not universal supply; preview UltraServers and announced Trainium3 remain separate.","availability_status":"generally_available","affected_layers":["layer-compute","layer-chips","layer-networks"],"epistemic_status":"observed_fact"},"created_at":"2026-10-10T08:02:14.493Z","updated_at":"2026-10-10T08:02:14.493Z"},"artifacts":[{"id":"art-2024q4-trainium2","dedupe_key":"bf1b10a34bd47489e49b03604ab63e339deaaafae5902317a121cb6e19f42a14","canonical_url":"https://aws.amazon.com/about-aws/whats-new/2024/12/amazon-ec2-trn2-instances-available/","evidence_locator":"","artifact_type":"official_announcement","title":"Trainium2 EC2 instances become generally available","summary":"AWS made Trn2 instances GA in US East Ohio through Capacity Blocks; UltraServers remained preview.","creator_entities":["AWS"],"released_at":"2024-12-03T00:00:00.000Z","content_hash":null,"metadata":{"historical_scope":"2024-Q4"},"created_at":"2026-10-10T08:02:14.483Z","updated_at":"2026-10-10T08:02:14.483Z","relation":"documented_by"}],"signals":[{"id":"sig-2024q4-chips","statement":"Commercial cloud access, finalized fab incentives and broader export controls shaped AI silicon supply through distinct mechanisms.","signal_type":"historical_layer_delta","direction":"increasing","confidence":0.93,"epistemic_status":"supported_inference","mapping_mode":"retrospective","reconstructed_at":"2026-10-09T19:12:47.000Z","created_at":"2026-10-10T08:02:14.499Z","updated_at":"2026-10-10T08:02:14.499Z"},{"id":"sig-2024q4-compute","statement":"Trainium2 regional cloud GA added accessible accelerator options while new nuclear commitments addressed future infrastructure demand.","signal_type":"historical_layer_delta","direction":"increasing","confidence":0.93,"epistemic_status":"supported_inference","mapping_mode":"retrospective","reconstructed_at":"2026-10-09T19:12:47.000Z","created_at":"2026-10-10T08:02:14.499Z","updated_at":"2026-10-10T08:02:14.499Z"},{"id":"sig-2024q4-networks","statement":"Trainium2 GA incorporated networked UltraCluster deployment, separating available instance scale-out from preview larger systems.","signal_type":"historical_layer_delta","direction":"increasing","confidence":0.93,"epistemic_status":"supported_inference","mapping_mode":"retrospective","reconstructed_at":"2026-10-09T19:12:47.000Z","created_at":"2026-10-10T08:02:14.500Z","updated_at":"2026-10-10T08:02:14.500Z"}]}