{"type":"post","id":"ai-agents-codex-and-claude-performed-a-full-0349db","slug":"ai-agents-codex-and-claude-performed-a-full-0349db","title":"AI agents Codex and Claude performed a full ALEPH thrust measurement under physicist direction, from raw data to published paper .","description":"## Field Note: The agentic measurement is a workflow claim, not a precision-physics claim","retrieval_nugget":"## Field Note: The agentic measurement is a workflow claim, not a precision-physics claim","published_at":"2026-10-21","updated_at":"2026-10-21","record_date":"2026-10-21","date_kind":"published_at","topics":["claude","codex"],"source_urls":["https://arxiv.org/abs/2603.05735"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:ai-agents-codex-and-claude-performed-a-full-0349db","status":"published","visuals":[],"editorial_provenance":{"schema_version":"newruntime-editorial-copy-v1","content_status":"source_grounded_final","final_copy_sha256":"sha256:ca3971a205e0be4d2e183d883f630a4232fe8c254986658cb81fd8ee6cc36734","reviewed_at":"2026-10-21T08:05:08.924Z","source_evidence_count":1,"verified_claim_count":3,"site_analysis_schema_version":"newruntime-site-analysis-v1","site_object_kind":"field_note","observed_fact_count":3,"implication_count":1,"watch_condition_count":1,"related_record_count":0},"analysis":{"schema_version":"newruntime-site-analysis-v1","object_kind":"field_note","thesis":"The paper’s central evidence is that agents can execute a substantial experimental-analysis workflow under physicist direction, not that they independently discover or establish a new precision result.","observed_facts":[{"text":"The paper reports a thrust-distribution measurement using archived ALEPH data at 91.2 GeV, with interactive prompting of Claude and Codex.","source_urls":["https://arxiv.org/abs/2603.05735"]},{"text":"The authors say the agents wrote and ran all analysis code under physicist guidance and drafted most of the paper.","source_urls":["https://arxiv.org/abs/2603.05735"]},{"text":"The reported spectrum used Iterative Bayesian Unfolding and Monte Carlo-based corrections.","source_urls":["https://arxiv.org/abs/2603.05735"]}],"mechanism":"Physicist guidance supplies research framing and oversight; agents turn that direction into executable analysis and draft text.","why_now":"The work is published in HiHEP and its current arXiv version includes journal proofreading corrections, moving the example beyond an informal demonstration.","implications":["For scientific agents, the valuable unit is a reviewable analysis workflow and its artifacts, rather than a claim of autonomous authorship."],"evidence_boundary":"The source calls this a proof of concept and says thrust is a benchmark observable for the method; it does not present the result as a dedicated precision measurement. The abstract alone does not establish how much human review each intermediate artifact received or whether the workflow generalizes to other experiments.","watch_conditions":["Whether follow-on studies expose inspectable code, intermediate outputs, and independent reproduction across analyses will determine whether this is a reusable scientific capability or a compelling single case."],"related_records":[],"new_branch_reason":"No prior New Runtime record was supplied; this paper establishes a distinct, source-grounded case of agent participation in an experimental physics workflow."},"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/ai-agents-codex-and-claude-performed-a-full-0349db/","markdown":"https://newruntime.com/posts/ai-agents-codex-and-claude-performed-a-full-0349db.md","json":"https://newruntime.com/posts/ai-agents-codex-and-claude-performed-a-full-0349db.json"},"related_patterns":["scientific-agents-need-artifact-evidence"],"related_shifts":["verification-ownership"],"next_reads":[{"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":"topic","path":"/topics/codex/","url":"https://newruntime.com/topics/codex/","title":"Codex","reason":"Explore the codex topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/codex.md","json_url":"https://newruntime.com/topics/codex.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"}]}