{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:5QFIQZIOORP2QLEFC5XHECD43N","short_pith_number":"pith:5QFIQZIO","canonical_record":{"source":{"id":"2607.06765","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2026-07-07T19:54:00Z","cross_cats_sorted":[],"title_canon_sha256":"f9402b1e41da096892e92d6d6a10eadbc87965bc89362a2f87c60f0e0387b06e","abstract_canon_sha256":"24a69606df439c97b97ee51b01c159bf43a4cdcf9e7f48f6a62a15785a0527db"},"schema_version":"1.0"},"canonical_sha256":"ec0a88650e745fa82c85176e72087cdb7a4dd18d173c87f2ce74b3e75091fa1b","source":{"kind":"arxiv","id":"2607.06765","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.06765","created_at":"2026-07-09T00:19:25Z"},{"alias_kind":"arxiv_version","alias_value":"2607.06765v1","created_at":"2026-07-09T00:19:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.06765","created_at":"2026-07-09T00:19:25Z"},{"alias_kind":"pith_short_12","alias_value":"5QFIQZIOORP2","created_at":"2026-07-09T00:19:25Z"},{"alias_kind":"pith_short_16","alias_value":"5QFIQZIOORP2QLEF","created_at":"2026-07-09T00:19:25Z"},{"alias_kind":"pith_short_8","alias_value":"5QFIQZIO","created_at":"2026-07-09T00:19:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:5QFIQZIOORP2QLEFC5XHECD43N","target":"record","payload":{"canonical_record":{"source":{"id":"2607.06765","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2026-07-07T19:54:00Z","cross_cats_sorted":[],"title_canon_sha256":"f9402b1e41da096892e92d6d6a10eadbc87965bc89362a2f87c60f0e0387b06e","abstract_canon_sha256":"24a69606df439c97b97ee51b01c159bf43a4cdcf9e7f48f6a62a15785a0527db"},"schema_version":"1.0"},"canonical_sha256":"ec0a88650e745fa82c85176e72087cdb7a4dd18d173c87f2ce74b3e75091fa1b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-09T00:19:25.826174Z","signature_b64":"gEN2c1LoYbi2ezPCnb+MGdlTpOmDs8g5LOpquF2z57bg/rIsEhzYPD/fghc3FS4soTK2wjlNDvQi5MwuwiEBDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec0a88650e745fa82c85176e72087cdb7a4dd18d173c87f2ce74b3e75091fa1b","last_reissued_at":"2026-07-09T00:19:25.825723Z","signature_status":"signed_v1","first_computed_at":"2026-07-09T00:19:25.825723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.06765","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":"2026-07-09T00:19:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k5y0uABxk0zaVjrRCBmjAMzaodpQXRywQ9KxeAaByvwX6ucKaqKoyBl4mFYDSnsxuA83piLkGG0MIJz3pM2ZCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T10:04:17.112949Z"},"content_sha256":"007310c76960c09ced324afdcafad945dd5f792f2b8145ccee5bec77d6e0899f","schema_version":"1.0","event_id":"sha256:007310c76960c09ced324afdcafad945dd5f792f2b8145ccee5bec77d6e0899f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:5QFIQZIOORP2QLEFC5XHECD43N","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"When and How to Ask: Dynamic Preference Elicitation Strategies for Conversational Recommendation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.IR","authors_text":"Feng Xia, Shuo Zhang, Xi Wang","submitted_at":"2026-07-07T19:54:00Z","abstract_excerpt":"Conversational Recommender Systems (CRSs) are interactive systems that use multi-turn natural language dialogue to understand evolving user preferences and provide personalized recommendations. To achieve this goal, CRSs rely on preference elicitation strategies to actively gather informative preference cues from users; however, the timing and selection of these strategies during a conversation remain largely unexplored. While many existing studies emphasize eliciting explicit item attributes and tend to adopt relatively static elicitation strategies, the use of item-based preference elicitati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.06765","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/2607.06765/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":"2026-07-09T00:19:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qtoe9nJ3SNda/HAIrSjXtenzdSwftZjllpUW46tNBdYMn3JlAXgIUJOGZNoUxhR0h4M6YyZoui1X9eo4RPkDCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T10:04:17.113329Z"},"content_sha256":"a099339b0552be51eaf2b49e40d6c3141875e11d3de2b881a878471e7e5ae7f0","schema_version":"1.0","event_id":"sha256:a099339b0552be51eaf2b49e40d6c3141875e11d3de2b881a878471e7e5ae7f0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5QFIQZIOORP2QLEFC5XHECD43N/bundle.json","state_url":"https://pith.science/pith/5QFIQZIOORP2QLEFC5XHECD43N/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5QFIQZIOORP2QLEFC5XHECD43N/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":"2026-07-17T10:04:17Z","links":{"resolver":"https://pith.science/pith/5QFIQZIOORP2QLEFC5XHECD43N","bundle":"https://pith.science/pith/5QFIQZIOORP2QLEFC5XHECD43N/bundle.json","state":"https://pith.science/pith/5QFIQZIOORP2QLEFC5XHECD43N/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5QFIQZIOORP2QLEFC5XHECD43N/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:5QFIQZIOORP2QLEFC5XHECD43N","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":"24a69606df439c97b97ee51b01c159bf43a4cdcf9e7f48f6a62a15785a0527db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2026-07-07T19:54:00Z","title_canon_sha256":"f9402b1e41da096892e92d6d6a10eadbc87965bc89362a2f87c60f0e0387b06e"},"schema_version":"1.0","source":{"id":"2607.06765","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.06765","created_at":"2026-07-09T00:19:25Z"},{"alias_kind":"arxiv_version","alias_value":"2607.06765v1","created_at":"2026-07-09T00:19:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.06765","created_at":"2026-07-09T00:19:25Z"},{"alias_kind":"pith_short_12","alias_value":"5QFIQZIOORP2","created_at":"2026-07-09T00:19:25Z"},{"alias_kind":"pith_short_16","alias_value":"5QFIQZIOORP2QLEF","created_at":"2026-07-09T00:19:25Z"},{"alias_kind":"pith_short_8","alias_value":"5QFIQZIO","created_at":"2026-07-09T00:19:25Z"}],"graph_snapshots":[{"event_id":"sha256:a099339b0552be51eaf2b49e40d6c3141875e11d3de2b881a878471e7e5ae7f0","target":"graph","created_at":"2026-07-09T00:19:25Z","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/2607.06765/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Conversational Recommender Systems (CRSs) are interactive systems that use multi-turn natural language dialogue to understand evolving user preferences and provide personalized recommendations. To achieve this goal, CRSs rely on preference elicitation strategies to actively gather informative preference cues from users; however, the timing and selection of these strategies during a conversation remain largely unexplored. While many existing studies emphasize eliciting explicit item attributes and tend to adopt relatively static elicitation strategies, the use of item-based preference elicitati","authors_text":"Feng Xia, Shuo Zhang, Xi Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2026-07-07T19:54:00Z","title":"When and How to Ask: Dynamic Preference Elicitation Strategies for Conversational Recommendation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.06765","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":"sha256:007310c76960c09ced324afdcafad945dd5f792f2b8145ccee5bec77d6e0899f","target":"record","created_at":"2026-07-09T00:19:25Z","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":"24a69606df439c97b97ee51b01c159bf43a4cdcf9e7f48f6a62a15785a0527db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2026-07-07T19:54:00Z","title_canon_sha256":"f9402b1e41da096892e92d6d6a10eadbc87965bc89362a2f87c60f0e0387b06e"},"schema_version":"1.0","source":{"id":"2607.06765","kind":"arxiv","version":1}},"canonical_sha256":"ec0a88650e745fa82c85176e72087cdb7a4dd18d173c87f2ce74b3e75091fa1b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ec0a88650e745fa82c85176e72087cdb7a4dd18d173c87f2ce74b3e75091fa1b","first_computed_at":"2026-07-09T00:19:25.825723Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-09T00:19:25.825723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gEN2c1LoYbi2ezPCnb+MGdlTpOmDs8g5LOpquF2z57bg/rIsEhzYPD/fghc3FS4soTK2wjlNDvQi5MwuwiEBDg==","signature_status":"signed_v1","signed_at":"2026-07-09T00:19:25.826174Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.06765","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:007310c76960c09ced324afdcafad945dd5f792f2b8145ccee5bec77d6e0899f","sha256:a099339b0552be51eaf2b49e40d6c3141875e11d3de2b881a878471e7e5ae7f0"],"state_sha256":"80e5277e0ef749d567409bbb9b5f2a1ad6026d7330143da1062702ab36759962"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZTJEyXnFerB79naQQPgdvWnZiGmGpeKNl5fjSC+0U9a37lB2P/SVpyGxUaJVoNvfPGBXTtViqcjnrTBV0bpuBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T10:04:17.117341Z","bundle_sha256":"ebd80aef64e50503ed58a29882d45da4fc79a7ae46671334f8e2302509c1037e"}}