{"event":{"id":"evt-2025q2-ironwood","dedupe_key":"historical_material_change:2025-04-09:ironwood-tpu-is-announced","event_type":"historical_material_change","title":"Ironwood TPU is announced","summary":"Google announces its seventh-generation TPU for inference workloads.","occurred_at":"2025-04-09T00:00:00.000Z","published_at":"2025-04-09T00:00:00.000Z","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 announces its seventh-generation TPU for inference workloads.","what_must_not_be_inferred":"Announcement and access requests do not establish general availability in April.","availability_status":"announcement_future_availability","affected_layers":["layer-chips","layer-compute"],"epistemic_status":"observed_fact","reported_capabilities_are_actor_claims":true,"time_precision":"day"},"created_at":"2026-10-10T08:25:19.350Z","updated_at":"2026-10-10T08:25:19.350Z"},"artifacts":[{"id":"art-2025q2-ironwood","dedupe_key":"2933c1c8e24289ed1e4fb3e4630b96bb73e0e37a5966e614f5c92b56e8b8d453","canonical_url":"https://cloud.google.com/blog/products/compute/whats-new-with-ai-hypercomputer","evidence_locator":"","artifact_type":"official_announcement","title":"Ironwood TPU is announced","summary":"Google announces its seventh-generation TPU for inference workloads.","creator_entities":["Google Cloud"],"released_at":"2025-04-09T00:00:00.000Z","content_hash":null,"metadata":{"historical_scope":"2025-Q2","availability_status":"announcement_future_availability"},"created_at":"2026-10-10T08:25:19.344Z","updated_at":"2026-10-10T08:25:19.344Z","relation":"documented_by"}],"signals":[{"id":"sig-2025q2-ironwood","statement":"Google announces its seventh-generation TPU for inference workloads. Announcement and access requests do not establish general availability in April.","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":"2026-10-10T08:25:19.356Z","updated_at":"2026-10-10T08:25:19.356Z"}]}