[Submitted on 29 Oct 2026]
Title:Does Recursive Knowledge Construction Help Agents Verify Consensus Claims in Science?
View a PDF of the paper titled Does Recursive Knowledge Construction Help Agents Verify Consensus Claims in Science?, by Lun Ai and 8 other authors
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Abstract:Recent scientific agents build knowledge recursively by retrieving evidence, constructing an intermediate state, and judging whether that state contains sufficient information. These agents are evaluated end-to-end, usually without ground truth, so the effect of each design choice is unknown. Here, we examined two design axes: (1) what the recursion builds (the state of evidence) and (2) what controls it (the judge that decides when to stop). To measure them, we defined consensus scientific claim verification and measured these effects on this task, where a system must establish a claim's consensus stance from the open literature. We built a new consensus claim dataset, ProClaim-eval, including 718 claims with SUPPORT and REFUTE gold labels from five expert-curated databases spanning molecular biology, nuclear physics, and astronomy. Our instrument, ProClaim, persists an evidence state outside the model's context, so each axis can be studied with the other held fixed. Against verification systems and general-purpose agent harnesses, ProClaim ranks among the top three, with a significant advantage over the harnesses. We found that the evidence state improves performance over in-context accumulation, and it also matters what is stored in it. In addition, a trained judge that reads the evidence state performs better than fixed-round stopping. A judge trained separately and never exposed to ProClaim-eval achieves the highest agreement with the gold labels on three of five subsets, where it matches the off-the-shelf Claude Sonnet~4.6 judge and outperforms Claude Haiku~4.5. Our results support recursively maintaining a structured evidence state outside the model's context as an effective design for verifying claims in scientific agents.
Subjects:
Artificial Intelligence (cs.AI)
Cite as: arXiv:2610.40906 [cs.AI]
(or arXiv:2610.40906v1 [cs.AI] for this version)
https://doi.org/10.48550/arXiv.2610.40906
arXiv-issued DOI via DataCite (pending registration)
Submission history
From: Lun Ai [view email] [v1] Thu, 29 Oct 2026 19:27:00 UTC (16,458 KB)
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