{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:NZQCTY6QNTRGXSERS6JW7VUGHQ","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":"9627621b4ec2f670c5d97d063dfe97ff354ae649494991267c347cef298aa9b6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2026-05-24T16:50:15Z","title_canon_sha256":"d1a3b41df836a37dc4be489f31b45110995bd8fac1d5dd5fe1d31bc287b881c4"},"schema_version":"1.0","source":{"id":"2605.25165","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.25165","created_at":"2026-05-26T02:04:20Z"},{"alias_kind":"arxiv_version","alias_value":"2605.25165v1","created_at":"2026-05-26T02:04:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.25165","created_at":"2026-05-26T02:04:20Z"},{"alias_kind":"pith_short_12","alias_value":"NZQCTY6QNTRG","created_at":"2026-05-26T02:04:20Z"},{"alias_kind":"pith_short_16","alias_value":"NZQCTY6QNTRGXSER","created_at":"2026-05-26T02:04:20Z"},{"alias_kind":"pith_short_8","alias_value":"NZQCTY6Q","created_at":"2026-05-26T02:04:20Z"}],"graph_snapshots":[{"event_id":"sha256:54937541022fcc8c4b6b6c315f613c0da6d6370c129318476420c183a5970827","target":"graph","created_at":"2026-05-26T02:04:20Z","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/2605.25165/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Humour-aware information retrieval poses unique challenges beyond standard semantic retrieval, as systems must account not only for topical relevance but also for humour-specific linguistic phenomena such as wordplay, phonetic ambiguity, and polysemy. In this paper, Team DUTH studies multilingual humour-aware information retrieval using the CLEF 2025 JOKER Task 1 benchmark, which evaluates humour retrieval in English and Portuguese. Our approach combines multilingual XLM-RoBERTa-based dense retrieval with additional system variants, including neural re-ranking, in order to assess the extent to","authors_text":"Avi Arampatzis, Georgios Arampatzis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2026-05-24T16:50:15Z","title":"Multilingual Humour-Aware Retrieval with Dense and Re-Ranking Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.25165","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:dfc6c1677d9d148abba53db14704ca63da9f69ae2adfde716c67fa448af97471","target":"record","created_at":"2026-05-26T02:04:20Z","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":"9627621b4ec2f670c5d97d063dfe97ff354ae649494991267c347cef298aa9b6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2026-05-24T16:50:15Z","title_canon_sha256":"d1a3b41df836a37dc4be489f31b45110995bd8fac1d5dd5fe1d31bc287b881c4"},"schema_version":"1.0","source":{"id":"2605.25165","kind":"arxiv","version":1}},"canonical_sha256":"6e6029e3d06ce26bc89197936fd6863c13583fccd867c42d1c321857e13b6633","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e6029e3d06ce26bc89197936fd6863c13583fccd867c42d1c321857e13b6633","first_computed_at":"2026-05-26T02:04:20.963076Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T02:04:20.963076Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zNh9Wd/+Jc08ZgUpPd+HMgiIzbVjJU2Ag1S8IgQdYF/f9TPUwIrHH8VmqM6ln1tMULtr6w2I5PQ11UCjYmTgBQ==","signature_status":"signed_v1","signed_at":"2026-05-26T02:04:20.963862Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.25165","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dfc6c1677d9d148abba53db14704ca63da9f69ae2adfde716c67fa448af97471","sha256:54937541022fcc8c4b6b6c315f613c0da6d6370c129318476420c183a5970827"],"state_sha256":"8adac91d1a21fc7eafa85cf47faac74aa348ce7599115b6a128308a50779140a"}