{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:FGGAYNP2CAU5TGZL2CLXDDWEZP","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":"4d5baa76ec8fb0712452c18ba2ca8a03b3255ddc206dc4842e474b871ec24717","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-08-04T06:13:41Z","title_canon_sha256":"19b37b3d7e4da6623e5e14c68cef6cf2a9c7f287db2983158e45938f1c393a24"},"schema_version":"1.0","source":{"id":"2608.03177","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.03177","created_at":"2026-08-05T00:46:02Z"},{"alias_kind":"arxiv_version","alias_value":"2608.03177v1","created_at":"2026-08-05T00:46:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.03177","created_at":"2026-08-05T00:46:02Z"},{"alias_kind":"pith_short_12","alias_value":"FGGAYNP2CAU5","created_at":"2026-08-05T00:46:02Z"},{"alias_kind":"pith_short_16","alias_value":"FGGAYNP2CAU5TGZL","created_at":"2026-08-05T00:46:02Z"},{"alias_kind":"pith_short_8","alias_value":"FGGAYNP2","created_at":"2026-08-05T00:46:02Z"}],"graph_snapshots":[{"event_id":"sha256:0a00c5eeceb9f6b77da19f66f54e141b2c2ace2450ba3da64cdc3ede2b55103a","target":"graph","created_at":"2026-08-05T00:46:02Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2608.03177/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"How can question answering (QA) systems determine whether a query is ambiguous? Ambiguity detection is essential in open-domain QA, as misclassification leads to answering the wrong interpretation or unnecessary clarification. However, existing methods conflate answer diversity with ambiguity, leading to inaccurate predictions. They also process queries uniformly, resulting in wasteful computation. We propose ARCHIVE (Ambiguity Recognition via Cascaded Hypothesis Inspection and Conflict Verification), an accurate and efficient framework that detects ambiguity via logical conflict: a query is a","authors_text":"Jiwon Lee, Jungin Hong, U Kang, Yong-chan Park","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-08-04T06:13:41Z","title":"Diversity is Not Ambiguity: Toward Accurate and Efficient Ambiguity Detection for Open-Domain QA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.03177","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":"sha256:02f069494ba08a3dcc96f6fd2cc4ffe41dc8a7a68c02c9f81f13ecf941dc2fe2","target":"record","created_at":"2026-08-05T00:46:02Z","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":"4d5baa76ec8fb0712452c18ba2ca8a03b3255ddc206dc4842e474b871ec24717","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-08-04T06:13:41Z","title_canon_sha256":"19b37b3d7e4da6623e5e14c68cef6cf2a9c7f287db2983158e45938f1c393a24"},"schema_version":"1.0","source":{"id":"2608.03177","kind":"arxiv","version":1}},"canonical_sha256":"298c0c35fa1029d99b2bd097718ec4cbc3d1564b601954967b31d10192d68036","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"298c0c35fa1029d99b2bd097718ec4cbc3d1564b601954967b31d10192d68036","first_computed_at":"2026-08-05T00:46:02.762525Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-05T00:46:02.762525Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aqwUetAiG2uhYXRQ+AnR1xdNq0ONxqf07ZcXWqzARzsQS4Y26S8xb2CUAkpT2VxkV1hk/xcAQiTUnpE6UOlTBg==","signature_status":"signed_v1","signed_at":"2026-08-05T00:46:02.764944Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.03177","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:02f069494ba08a3dcc96f6fd2cc4ffe41dc8a7a68c02c9f81f13ecf941dc2fe2","sha256:0a00c5eeceb9f6b77da19f66f54e141b2c2ace2450ba3da64cdc3ede2b55103a"],"state_sha256":"27fdb3ca44c5669afeba72f924887d60f6fd0c42823a764a680898b63d5b4222"}