{"entities":[{"id":"anthropic-transparency-hub-2026-10-28","name":"Transparency hub (Anthropic), as served on 28 October 2026","subtype":"Web page","description":"Snapshot of 28 October 2026. A mutable page that states no publication or revision date; it is recorded as the snapshot retrieved on 2026-10-28.","sourceIds":["source-ab-anthropic-hub"]}],"claims":[{"id":"ab-ev-anthropic-hub-sonnet55-cb1","statement":"Anthropic's transparency hub, as served on 28 October 2026, states that it deployed Claude Sonnet 5.5 with the same chemical and biological misuse protections as Claude Opus 5, treating it as meeting its CB-1 threshold for models able to significantly help someone with a basic technical background make known chemical or biological weapons.","derivation":"explicit","resolution":"supported","editorialState":"seed","evidenceIds":["evidence-ab-ev-anthropic-hub-sonnet55-cb1-1"],"attributes":{"evaluatedSystem":"Claude Sonnet 5.5","evaluation":{"what":"Whether the model meets Anthropic's CB-1 chemical and biological threshold","how":"The page refers to Anthropic's own assessments and to the summaries of key safety evaluations in the model's system card","result":"Treated as meeting the CB-1 threshold and deployed with the same chemical and biological misuse protections as Claude Opus 5","caveats":"The page states it gives summaries only and refers readers to the full system card for the complete reported results; the system card itself was not retrieved for this record."}}}],"sources":[{"id":"source-ab-anthropic-hub","title":"Transparency hub (Anthropic), model-by-model safety summaries","authors":["Anthropic"],"publisher":"Anthropic","publicationDate":null,"version":"Retrieved for the candidate pack on 2026-10-28 (SHA-256 ddbdde44443a71db8c87d1d710edb263b5c85583ae4917a9858e5bdbcaaa266e). The page as served on 2026-10-28, a mutable hub that summarises the current model line (Claude Mythos 5.1 down to Claude Sonnet 3.7). It states no publication date for the page itself. Retrieved again at admission on 2026-10-30 (SHA-256 180bb54e99e373f383f2d06ea3975f8819bd2708bc49a9f5fafd088074259a63). Its wording can change; earlier wording is not authenticated.","evidenceUrl":"https://www.anthropic.com/transparency","language":"en"}],"evidence":[{"id":"evidence-ab-ev-anthropic-hub-sonnet55-cb1-1","sourceRole":"primary","support":"supports","verification":"machine_checked","retrievalRoute":"direct"}],"at":{"entities":[1233],"claims":[3403],"sources":[1084],"evidence":[4682]},"version":"1lg47t7"}