{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:KAPRMZQ6RYJJSV34JC6G5HRMDU","short_pith_number":"pith:KAPRMZQ6","canonical_record":{"source":{"id":"2504.16711","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-04-23T13:41:10Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"51a18a41c718e55bda10c73e3d378cfbe4e0f814c3e76a76685fcc2a4668bf9a","abstract_canon_sha256":"3a76205952d2de1fe37dc67eb4d31b270cf3adbc710bce71e2ba597af112a37f"},"schema_version":"1.0"},"canonical_sha256":"501f16661e8e1299577c48bc6e9e2c1d04350223e4d87a8a04e4651536556ad9","source":{"kind":"arxiv","id":"2504.16711","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.16711","created_at":"2026-07-05T10:53:03Z"},{"alias_kind":"arxiv_version","alias_value":"2504.16711v1","created_at":"2026-07-05T10:53:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.16711","created_at":"2026-07-05T10:53:03Z"},{"alias_kind":"pith_short_12","alias_value":"KAPRMZQ6RYJJ","created_at":"2026-07-05T10:53:03Z"},{"alias_kind":"pith_short_16","alias_value":"KAPRMZQ6RYJJSV34","created_at":"2026-07-05T10:53:03Z"},{"alias_kind":"pith_short_8","alias_value":"KAPRMZQ6","created_at":"2026-07-05T10:53:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:KAPRMZQ6RYJJSV34JC6G5HRMDU","target":"record","payload":{"canonical_record":{"source":{"id":"2504.16711","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-04-23T13:41:10Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"51a18a41c718e55bda10c73e3d378cfbe4e0f814c3e76a76685fcc2a4668bf9a","abstract_canon_sha256":"3a76205952d2de1fe37dc67eb4d31b270cf3adbc710bce71e2ba597af112a37f"},"schema_version":"1.0"},"canonical_sha256":"501f16661e8e1299577c48bc6e9e2c1d04350223e4d87a8a04e4651536556ad9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:53:03.533428Z","signature_b64":"O48/nkasOHsbg1KjWI6ZLwRxgh6zBaEv4TdDhNFgSKeYE/qOHH2FMfLL70XzibTLEmcKixxzVmz457idjTOhAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"501f16661e8e1299577c48bc6e9e2c1d04350223e4d87a8a04e4651536556ad9","last_reissued_at":"2026-07-05T10:53:03.532950Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:53:03.532950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.16711","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:53:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"43npuvHde3Tsj/9XsHv41jS4k7ONWlPlzVFfPLVWSNLmUc0PcU4GKdMXIgBEVqSh/t8mzdhi6YWAJ3uBdaW3AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T01:27:35.541843Z"},"content_sha256":"ac3831a8522a5ca5ef2d29d9fa9fd2690af227733766e6beb366c041c59f8e3f","schema_version":"1.0","event_id":"sha256:ac3831a8522a5ca5ef2d29d9fa9fd2690af227733766e6beb366c041c59f8e3f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:KAPRMZQ6RYJJSV34JC6G5HRMDU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Unified Retrieval Framework with Document Ranking and EDU Filtering for Multi-document Summarization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IR"],"primary_cat":"cs.LG","authors_text":"Dongyuan Li, Jaeeon Park, Manabu Okumura, Renhe Jiang, Shiyin Tan","submitted_at":"2025-04-23T13:41:10Z","abstract_excerpt":"In the field of multi-document summarization (MDS), transformer-based models have demonstrated remarkable success, yet they suffer an input length limitation. Current methods apply truncation after the retrieval process to fit the context length; however, they heavily depend on manually well-crafted queries, which are impractical to create for each document set for MDS. Additionally, these methods retrieve information at a coarse granularity, leading to the inclusion of irrelevant content. To address these issues, we propose a novel retrieval-based framework that integrates query selection and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.16711","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/2504.16711/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:53:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wgmq62/ohvTXuqZEi4WUU0KqY21zRj5BdFoAn4rJv7ii+V7nE21sDC3FwKTxgGOS2hOezmWFJhTS+FtXfW/JDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T01:27:35.542361Z"},"content_sha256":"65b2349ef036b0c234ebdd85867133fc6efb69b331355a04a647445639fc0683","schema_version":"1.0","event_id":"sha256:65b2349ef036b0c234ebdd85867133fc6efb69b331355a04a647445639fc0683"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KAPRMZQ6RYJJSV34JC6G5HRMDU/bundle.json","state_url":"https://pith.science/pith/KAPRMZQ6RYJJSV34JC6G5HRMDU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KAPRMZQ6RYJJSV34JC6G5HRMDU/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-18T01:27:35Z","links":{"resolver":"https://pith.science/pith/KAPRMZQ6RYJJSV34JC6G5HRMDU","bundle":"https://pith.science/pith/KAPRMZQ6RYJJSV34JC6G5HRMDU/bundle.json","state":"https://pith.science/pith/KAPRMZQ6RYJJSV34JC6G5HRMDU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KAPRMZQ6RYJJSV34JC6G5HRMDU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:KAPRMZQ6RYJJSV34JC6G5HRMDU","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":"3a76205952d2de1fe37dc67eb4d31b270cf3adbc710bce71e2ba597af112a37f","cross_cats_sorted":["cs.IR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-04-23T13:41:10Z","title_canon_sha256":"51a18a41c718e55bda10c73e3d378cfbe4e0f814c3e76a76685fcc2a4668bf9a"},"schema_version":"1.0","source":{"id":"2504.16711","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.16711","created_at":"2026-07-05T10:53:03Z"},{"alias_kind":"arxiv_version","alias_value":"2504.16711v1","created_at":"2026-07-05T10:53:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.16711","created_at":"2026-07-05T10:53:03Z"},{"alias_kind":"pith_short_12","alias_value":"KAPRMZQ6RYJJ","created_at":"2026-07-05T10:53:03Z"},{"alias_kind":"pith_short_16","alias_value":"KAPRMZQ6RYJJSV34","created_at":"2026-07-05T10:53:03Z"},{"alias_kind":"pith_short_8","alias_value":"KAPRMZQ6","created_at":"2026-07-05T10:53:03Z"}],"graph_snapshots":[{"event_id":"sha256:65b2349ef036b0c234ebdd85867133fc6efb69b331355a04a647445639fc0683","target":"graph","created_at":"2026-07-05T10:53:03Z","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/2504.16711/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In the field of multi-document summarization (MDS), transformer-based models have demonstrated remarkable success, yet they suffer an input length limitation. Current methods apply truncation after the retrieval process to fit the context length; however, they heavily depend on manually well-crafted queries, which are impractical to create for each document set for MDS. Additionally, these methods retrieve information at a coarse granularity, leading to the inclusion of irrelevant content. To address these issues, we propose a novel retrieval-based framework that integrates query selection and","authors_text":"Dongyuan Li, Jaeeon Park, Manabu Okumura, Renhe Jiang, Shiyin Tan","cross_cats":["cs.IR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-04-23T13:41:10Z","title":"A Unified Retrieval Framework with Document Ranking and EDU Filtering for Multi-document Summarization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.16711","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:ac3831a8522a5ca5ef2d29d9fa9fd2690af227733766e6beb366c041c59f8e3f","target":"record","created_at":"2026-07-05T10:53:03Z","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":"3a76205952d2de1fe37dc67eb4d31b270cf3adbc710bce71e2ba597af112a37f","cross_cats_sorted":["cs.IR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-04-23T13:41:10Z","title_canon_sha256":"51a18a41c718e55bda10c73e3d378cfbe4e0f814c3e76a76685fcc2a4668bf9a"},"schema_version":"1.0","source":{"id":"2504.16711","kind":"arxiv","version":1}},"canonical_sha256":"501f16661e8e1299577c48bc6e9e2c1d04350223e4d87a8a04e4651536556ad9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"501f16661e8e1299577c48bc6e9e2c1d04350223e4d87a8a04e4651536556ad9","first_computed_at":"2026-07-05T10:53:03.532950Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:53:03.532950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O48/nkasOHsbg1KjWI6ZLwRxgh6zBaEv4TdDhNFgSKeYE/qOHH2FMfLL70XzibTLEmcKixxzVmz457idjTOhAw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:53:03.533428Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.16711","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ac3831a8522a5ca5ef2d29d9fa9fd2690af227733766e6beb366c041c59f8e3f","sha256:65b2349ef036b0c234ebdd85867133fc6efb69b331355a04a647445639fc0683"],"state_sha256":"d2594104cce7d43261577e43927469b517e728a36dfc421ee41a1ccd26854298"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t5ED5mI/4dzqoIBMCgqWIYLxafY3y262FtNeHUgObjWf7HxrEBey6llIEdaUyYtk3/Q0at211nZMjHW5GPVqAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T01:27:35.548569Z","bundle_sha256":"3b212bfefa3646146c33d69ab6385a011de9ef5b286c58bae972399e6e0ae47a"}}