{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:RCKOM7F7UZALNGDTWT57TXALGT","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"6d987bbb1986cba499819bd97bc25a8d016fde8024e5fe640cff185028a3e36e","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-05-14T16:02:28Z","title_canon_sha256":"49dc30aec4d71a973a7ee9217a516371e1b0020d916ccacdda63549c5e176519"},"schema_version":"1.0","source":{"id":"2605.15000","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.15000","created_at":"2026-05-17T23:38:54Z"},{"alias_kind":"arxiv_version","alias_value":"2605.15000v1","created_at":"2026-05-17T23:38:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.15000","created_at":"2026-05-17T23:38:54Z"},{"alias_kind":"pith_short_12","alias_value":"RCKOM7F7UZAL","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_16","alias_value":"RCKOM7F7UZALNGDT","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_8","alias_value":"RCKOM7F7","created_at":"2026-05-18T12:33:37Z"}],"graph_snapshots":[{"event_id":"sha256:a851458b2ed024f6d92fab09d85c3863b7ba4bc5d6068b62c8ab63d932cf3c4e","target":"graph","created_at":"2026-05-17T23:38:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Premature closure, or committing to a conclusion before sufficient information is available, is a recognized contributor to diagnostic error but remains underexamined in large language models (LLMs). We define LLM premature closure as inappropriate commitment under uncertainty: providing an answer, recommendation, or clinical guidance when the safer response would be clarification, abstention, escalation, or refusal. We evaluated five frontier LLMs across structured and open-ended medical tasks. In MedQA (n = 500) and AfriMed-QA (n = 490) questions where the correct choice had been removed, mo","authors_text":"Nigam Shah, Rebecca Handler, Suhana Bedi","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-05-14T16:02:28Z","title":"Quantifying and Mitigating Premature Closure in Frontier LLMs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.15000","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:dda560db43c981a35695ca4299054fcd0a91682cf45fcf6e1dc30898b1f00829","target":"record","created_at":"2026-05-17T23:38:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"6d987bbb1986cba499819bd97bc25a8d016fde8024e5fe640cff185028a3e36e","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-05-14T16:02:28Z","title_canon_sha256":"49dc30aec4d71a973a7ee9217a516371e1b0020d916ccacdda63549c5e176519"},"schema_version":"1.0","source":{"id":"2605.15000","kind":"arxiv","version":1}},"canonical_sha256":"8894e67cbfa640b69873b4fbf9dc0b34cc1dca4f8e3e243718334099245d650e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8894e67cbfa640b69873b4fbf9dc0b34cc1dca4f8e3e243718334099245d650e","first_computed_at":"2026-05-17T23:38:54.922765Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:38:54.922765Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pX2pO4aOSTD2qcWueTUkr+5KAsLMDFBPNYzgnmzkr1zFfjqfF51jdSw+d7iFP30Z17zNp9Sr4eT49r87bvihDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:38:54.923427Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.15000","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dda560db43c981a35695ca4299054fcd0a91682cf45fcf6e1dc30898b1f00829","sha256:a851458b2ed024f6d92fab09d85c3863b7ba4bc5d6068b62c8ab63d932cf3c4e"],"state_sha256":"39bd5366b3c0c15f78dda101406ab246f9ad46c7ffade68c5895622eecab3f1c"}