{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:5RMACBHEPWIMFJOCPW77F2VV7R","short_pith_number":"pith:5RMACBHE","schema_version":"1.0","canonical_sha256":"ec580104e47d90c2a5c27dbff2eab5fc450cf0c84cd1c6fded00b252d1516e32","source":{"kind":"arxiv","id":"2608.11922","version":1},"attestation_state":"computed","paper":{"title":"LODESTAR: Trustworthy Entropy Is Navigated, Not Merely Measured -- Reinforced Polarizer Keeps a Frozen LLM from Being Confidently Misled by the Wrong Evidence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IR","cs.LG"],"primary_cat":"cs.CL","authors_text":"Che-Cheng Wu, Chuan-Ju Wang, Hung-Chun Hsu, Li-Yang Chang, Po-Jen Ko","submitted_at":"2026-08-12T11:06:45Z","abstract_excerpt":"Predictive-distribution entropy makes a strong selection rule in retrieval-augmented question answering: across five QA benchmarks, keeping the candidate answer that a frozen respondent LLM produces with the lowest answer-token entropy lifts mean answer $F_1$ from 0.4769 to 0.5148 over the retriever's top-ranked passage, with no gold answers. Yet this lowest-entropy rule, which prior entropy-based selectors adopt, fails in a specific and consequential way: a misleading passage makes the respondent confidently wrong, driving its entropy down precisely where the signal looks most trustworthy. We"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2608.11922","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-08-12T11:06:45Z","cross_cats_sorted":["cs.IR","cs.LG"],"title_canon_sha256":"b29c75e467ba5c4b2b07b103f9e882e72cdff881188721b608b61386a361265e","abstract_canon_sha256":"024edf3bf16fcf2279c6c601aab44354ac076a14bedc59f8b8524025278edea3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-13T01:28:55.849500Z","signature_b64":"AwiLNrsE77bHkliY+qW2x9M9MgR6Ictx9PKqhyWMF0hXi8phL2f49ei8bdGqvBumLtq4/pALe0AUSxqNnMdzBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec580104e47d90c2a5c27dbff2eab5fc450cf0c84cd1c6fded00b252d1516e32","last_reissued_at":"2026-08-13T01:28:55.847068Z","signature_status":"signed_v1","first_computed_at":"2026-08-13T01:28:55.847068Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"LODESTAR: Trustworthy Entropy Is Navigated, Not Merely Measured -- Reinforced Polarizer Keeps a Frozen LLM from Being Confidently Misled by the Wrong Evidence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IR","cs.LG"],"primary_cat":"cs.CL","authors_text":"Che-Cheng Wu, Chuan-Ju Wang, Hung-Chun Hsu, Li-Yang Chang, Po-Jen Ko","submitted_at":"2026-08-12T11:06:45Z","abstract_excerpt":"Predictive-distribution entropy makes a strong selection rule in retrieval-augmented question answering: across five QA benchmarks, keeping the candidate answer that a frozen respondent LLM produces with the lowest answer-token entropy lifts mean answer $F_1$ from 0.4769 to 0.5148 over the retriever's top-ranked passage, with no gold answers. Yet this lowest-entropy rule, which prior entropy-based selectors adopt, fails in a specific and consequential way: a misleading passage makes the respondent confidently wrong, driving its entropy down precisely where the signal looks most trustworthy. We"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.11922","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2608.11922/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2608.11922","created_at":"2026-08-13T01:28:55.848229+00:00"},{"alias_kind":"arxiv_version","alias_value":"2608.11922v1","created_at":"2026-08-13T01:28:55.848229+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.11922","created_at":"2026-08-13T01:28:55.848229+00:00"},{"alias_kind":"pith_short_12","alias_value":"5RMACBHEPWIM","created_at":"2026-08-13T01:28:55.848229+00:00"},{"alias_kind":"pith_short_16","alias_value":"5RMACBHEPWIMFJOC","created_at":"2026-08-13T01:28:55.848229+00:00"},{"alias_kind":"pith_short_8","alias_value":"5RMACBHE","created_at":"2026-08-13T01:28:55.848229+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/5RMACBHEPWIMFJOCPW77F2VV7R","json":"https://pith.science/pith/5RMACBHEPWIMFJOCPW77F2VV7R.json","graph_json":"https://pith.science/api/pith-number/5RMACBHEPWIMFJOCPW77F2VV7R/graph.json","events_json":"https://pith.science/api/pith-number/5RMACBHEPWIMFJOCPW77F2VV7R/events.json","paper":"https://pith.science/paper/5RMACBHE"},"agent_actions":{"view_html":"https://pith.science/pith/5RMACBHEPWIMFJOCPW77F2VV7R","download_json":"https://pith.science/pith/5RMACBHEPWIMFJOCPW77F2VV7R.json","view_paper":"https://pith.science/paper/5RMACBHE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2608.11922&json=true","fetch_graph":"https://pith.science/api/pith-number/5RMACBHEPWIMFJOCPW77F2VV7R/graph.json","fetch_events":"https://pith.science/api/pith-number/5RMACBHEPWIMFJOCPW77F2VV7R/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5RMACBHEPWIMFJOCPW77F2VV7R/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5RMACBHEPWIMFJOCPW77F2VV7R/action/storage_attestation","attest_author":"https://pith.science/pith/5RMACBHEPWIMFJOCPW77F2VV7R/action/author_attestation","sign_citation":"https://pith.science/pith/5RMACBHEPWIMFJOCPW77F2VV7R/action/citation_signature","submit_replication":"https://pith.science/pith/5RMACBHEPWIMFJOCPW77F2VV7R/action/replication_record"}},"created_at":"2026-08-13T01:28:55.848229+00:00","updated_at":"2026-08-13T01:28:55.848229+00:00"}