{"event":{"id":"evt-rts-20261012-anthropic-distillation-defenses","dedupe_key":"rts:rts_finding_bb201a94ba6c426e81422507a45f80f0","event_type":"model_security_defense_publication","title":"Anthropic publishes deployed anti-distillation safeguards and bounded efficacy claim","summary":"On October 12 Anthropic disclosed its preserved-reasoning, classifier, and account enforcement measures against unauthorized model distillation. A 90-99 percent reduction in extracted thinking tokens is Anthropic's internal estimate, not independently validated or universal. Accusations against named developers remain attributed to Anthropic and are not legal findings.","occurred_at":"2026-10-12T00:00:00.000Z","published_at":"2026-10-12T00:00:00.000Z","observed_at":"2026-10-13T07:41:47.083Z","reconstructed_at":null,"ingest_type":"live_evidence_only","locations":null,"status":"verified","confidence":0.96,"metadata":{"rts_finding_id":"rts_finding_bb201a94ba6c426e81422507a45f80f0","evidence_only":true,"new_relation_onset":false,"review_disclaimer":"Dated release or report fact verified. No universal technical performance or capability inference."},"created_at":"2026-10-13T07:45:26.652Z","updated_at":"2026-10-13T07:45:26.652Z"},"artifacts":[{"id":"art-rts-20261013-distill","dedupe_key":"bc8c2b8e8b69c71a03939901dde51e045848eb1716fce5870ca4e803fdd83e8b","canonical_url":"https://www.anthropic.com/research/distillation-defenses","evidence_locator":"","artifact_type":"document","title":"Strengthening our defenses against distillation attacks","summary":"","creator_entities":[],"released_at":"2026-10-12T00:00:00.000Z","content_hash":null,"metadata":{"rts_finding_id":"rts_finding_bb201a94ba6c426e81422507a45f80f0","independent_technical_replication":false},"created_at":"2026-10-13T07:45:26.646Z","updated_at":"2026-10-13T07:45:26.646Z","relation":"documented_by"}],"signals":[]}