{"event":{"id":"evt-2026q2-gpt56-preview","dedupe_key":"historical_material_change:2026-06-26:gpt-5-6-family-enters-limited-preview","event_type":"historical_material_change","title":"GPT-5.6 family enters limited preview","summary":"OpenAI previews Sol, Terra and Luna before a later broad release.","occurred_at":"2026-06-26T00:00:00.000Z","published_at":"2026-06-26T00:00:00.000Z","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":"OpenAI previews Sol, Terra and Luna before a later broad release.","what_must_not_be_inferred":"Preview benchmarks and harness results are company claims; July access is not backdated into June.","availability_status":"limited_preview","affected_layers":["layer-models","layer-agents","layer-software"],"epistemic_status":"observed_fact","reported_capabilities_are_actor_claims":true,"time_precision":"day"},"created_at":"2026-10-10T09:06:48.246Z","updated_at":"2026-10-10T09:06:48.246Z"},"artifacts":[{"id":"art-2026q2-gpt56-preview","dedupe_key":"797f2d3f25e2e77947813644267e0bcf71e82aabf88cdbc587ddb6e1ebbf8430","canonical_url":"https://openai.com/index/previewing-gpt-5-6-sol/","evidence_locator":"","artifact_type":"official_announcement","title":"GPT-5.6 family enters limited preview","summary":"OpenAI previews Sol, Terra and Luna before a later broad release.","creator_entities":["OpenAI"],"released_at":"2026-06-26T00:00:00.000Z","content_hash":null,"metadata":{"historical_scope":"2026-Q2","availability_status":"limited_preview"},"created_at":"2026-10-10T09:06:48.243Z","updated_at":"2026-10-10T09:06:48.243Z","relation":"documented_by"}],"signals":[{"id":"sig-2026q2-gpt56-preview","statement":"OpenAI previews Sol, Terra and Luna before a later broad release. Preview benchmarks and harness results are company claims; July access is not backdated into June.","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":"2026-10-10T09:06:48.251Z","updated_at":"2026-10-10T09:06:48.251Z"}]}