{"event":{"id":"evt-2024q4-bis-controls","dedupe_key":"historical_material_change:2024-12-02:us-expands-semiconductor-export-control-package","event_type":"historical_material_change","title":"US expands semiconductor export-control package","summary":"BIS announced controls on semiconductor equipment, software and high-bandwidth memory plus entity-list additions.","occurred_at":"2024-12-02T00:00:00.000Z","published_at":"2024-12-02T00:00:00.000Z","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":"BIS announced controls on semiconductor equipment, software and high-bandwidth memory plus entity-list additions.","what_must_not_be_inferred":"Announcement is not a single effective date for every provision; implementation details and savings clauses differ.","availability_status":"regulatory_package","affected_layers":["layer-geopolitics","layer-governance","layer-manufacturing","layer-chips"],"epistemic_status":"observed_fact"},"created_at":"2026-10-10T08:02:14.492Z","updated_at":"2026-10-10T08:02:14.492Z"},"artifacts":[{"id":"art-2024q4-bis-controls","dedupe_key":"7b8c564d6c0e161a3fd9da1e1f24c2f125fe4a7bd1063f41d80803210a9ea1ee","canonical_url":"https://www.bis.gov/press-release/commerce-strengthens-export-controls-restrict-chinas-capability-produce-advanced-semiconductors-military","evidence_locator":"","artifact_type":"official_announcement","title":"US expands semiconductor export-control package","summary":"BIS announced controls on semiconductor equipment, software and high-bandwidth memory plus entity-list additions.","creator_entities":["BIS"],"released_at":"2024-12-02T00:00:00.000Z","content_hash":null,"metadata":{"historical_scope":"2024-Q4"},"created_at":"2026-10-10T08:02:14.482Z","updated_at":"2026-10-10T08:02:14.482Z","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-geopolitics","statement":"Domestic semiconductor incentives and tightened China-directed production controls reinforced strategic supply-chain competition.","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":"2026-10-10T08:02:14.501Z","updated_at":"2026-10-10T08:02:14.501Z"},{"id":"sig-2024q4-governance","statement":"Final industrial-policy awards and expanded export controls materially changed AI infrastructure governance.","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":"2026-10-10T08:02:14.501Z","updated_at":"2026-10-10T08:02:14.501Z"},{"id":"sig-2024q4-manufacturing","statement":"Preliminary fab support became a milestone-linked final award as US restrictions expanded on advanced semiconductor production tools.","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"}]}