{"type":"post","id":"anthropic-frontier-red-team-shows-claude-can-formally-aa997f","slug":"anthropic-frontier-red-team-shows-claude-can-formally-aa997f","title":"Anthropic Frontier Red Team shows Claude can formally verify OSS-Fuzz libraries at scale","description":"Anthropic's Frontier Red Team and Theorem reported that Claude generated formal, machine-checkable proofs for 239 OSS-Fuzz entry points across 123 open-source software libraries.","retrieval_nugget":"Anthropic's Frontier Red Team and Theorem reported that Claude generated formal, machine-checkable proofs for 239 OSS-Fuzz entry points across 123 open-source software libraries.","published_at":"2026-10-23","updated_at":"2026-10-23","record_date":"2026-10-23","date_kind":"published_at","topics":["anthropic","claude"],"entities":["Anthropic","Claude","Theorem","OSS-Fuzz","Rocq","RISC-V"],"related_patterns":["scientific-agents-need-artifact-evidence"],"novelty_label":"same_event","what_changed":"Same event as New on our Frontier Red Team blog: using Claude to formally verify software at large scale.","prior_refs":["memory:871668c7-f6f0-8a38-aa84-fe5a04fc318d","memory:71d0449b-9a6f-89f1-a4bd-670fd2ce5410"],"source_url":"https://www.anthropic.com/research/formal-verification","source_urls":["https://www.anthropic.com/research/formal-verification"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:anthropic-frontier-red-team-shows-claude-can-formally-aa997f","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/anthropic-frontier-red-team-shows-claude-can-formally-aa997f/","markdown":"https://newruntime.com/posts/anthropic-frontier-red-team-shows-claude-can-formally-aa997f.md","json":"https://newruntime.com/posts/anthropic-frontier-red-team-shows-claude-can-formally-aa997f.json"},"next_reads":[{"type":"topic","path":"/topics/anthropic/","url":"https://newruntime.com/topics/anthropic/","title":"Anthropic","reason":"Explore the anthropic topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/anthropic.md","json_url":"https://newruntime.com/topics/anthropic.json"},{"type":"topic","path":"/topics/claude/","url":"https://newruntime.com/topics/claude/","title":"Claude","reason":"Explore the claude topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/claude.md","json_url":"https://newruntime.com/topics/claude.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}