{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:XZS2H23RVIEADSIZQGEW5CTKPE","short_pith_number":"pith:XZS2H23R","canonical_record":{"source":{"id":"2308.16761","kind":"arxiv","version":6},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2023-08-31T14:29:10Z","cross_cats_sorted":[],"title_canon_sha256":"c2e85766edd5bb796a810bc7dae702811f022966995217e4c98489366e124a69","abstract_canon_sha256":"987cdebbbb99d3994c17c341af1afc02d3f8c2d8640c424cde356b6f2d7a74d6"},"schema_version":"1.0"},"canonical_sha256":"be65a3eb71aa0801c91981896e8a6a7934889f36d6421e40d9eddfcc47024768","source":{"kind":"arxiv","id":"2308.16761","version":6},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.16761","created_at":"2026-07-05T07:56:16Z"},{"alias_kind":"arxiv_version","alias_value":"2308.16761v6","created_at":"2026-07-05T07:56:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.16761","created_at":"2026-07-05T07:56:16Z"},{"alias_kind":"pith_short_12","alias_value":"XZS2H23RVIEA","created_at":"2026-07-05T07:56:16Z"},{"alias_kind":"pith_short_16","alias_value":"XZS2H23RVIEADSIZ","created_at":"2026-07-05T07:56:16Z"},{"alias_kind":"pith_short_8","alias_value":"XZS2H23R","created_at":"2026-07-05T07:56:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:XZS2H23RVIEADSIZQGEW5CTKPE","target":"record","payload":{"canonical_record":{"source":{"id":"2308.16761","kind":"arxiv","version":6},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2023-08-31T14:29:10Z","cross_cats_sorted":[],"title_canon_sha256":"c2e85766edd5bb796a810bc7dae702811f022966995217e4c98489366e124a69","abstract_canon_sha256":"987cdebbbb99d3994c17c341af1afc02d3f8c2d8640c424cde356b6f2d7a74d6"},"schema_version":"1.0"},"canonical_sha256":"be65a3eb71aa0801c91981896e8a6a7934889f36d6421e40d9eddfcc47024768","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:56:16.676438Z","signature_b64":"Sre3JJz0Ewmpreo6j2XkxWK22dqP3ONFgsEipQOmXiT0BYOlZ3AWrF023NKxcVh3DtWC1G1Ob7BsrLGfqqTSBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"be65a3eb71aa0801c91981896e8a6a7934889f36d6421e40d9eddfcc47024768","last_reissued_at":"2026-07-05T07:56:16.675909Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:56:16.675909Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.16761","source_version":6,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:56:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tTaQeLTFRXtzOraHVsdctZ1gxA2Piyw61tD1pJ08IuW4yPBJwQH/JlUVkNZ6N1jYLMhS9B009ZkYcwE6NyEUBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T09:09:41.167393Z"},"content_sha256":"5e08abb8e999e027a21f3bb6609240bf0f93cd46aa93ae82f80c80a8878436fa","schema_version":"1.0","event_id":"sha256:5e08abb8e999e027a21f3bb6609240bf0f93cd46aa93ae82f80c80a8878436fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:XZS2H23RVIEADSIZQGEW5CTKPE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Learning Category Trees for ID-Based Recommendation: Exploring the Power of Differentiable Vector Quantization","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.IR","authors_text":"Jiaren Xiao, Jieming Zhu, Lu Fan, Qijiong Liu, Xiao-Ming Wu","submitted_at":"2023-08-31T14:29:10Z","abstract_excerpt":"Category information plays a crucial role in enhancing the quality and personalization of recommender systems. Nevertheless, the availability of item category information is not consistently present, particularly in the context of ID-based recommendations. In this work, we propose a novel approach to automatically learn and generate entity (i.e., user or item) category trees for ID-based recommendation. Specifically, we devise a differentiable vector quantization framework for automatic category tree generation, namely CAGE, which enables the simultaneous learning and refinement of categorical"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.16761","kind":"arxiv","version":6},"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/2308.16761/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":"2026-07-05T07:56:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k/ZF5LD7vR2KhBfQVF6PobYPM4OXWlnqQt5cveOGr9bbYkcZEvJRqZqfY1JpYChYRLuj5MN6NqzBnhn71Ya5DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T09:09:41.167932Z"},"content_sha256":"782dec7328ed63b1028bdb34559ddfef6aeef99375a2565aaa1b3e3e2eb96613","schema_version":"1.0","event_id":"sha256:782dec7328ed63b1028bdb34559ddfef6aeef99375a2565aaa1b3e3e2eb96613"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XZS2H23RVIEADSIZQGEW5CTKPE/bundle.json","state_url":"https://pith.science/pith/XZS2H23RVIEADSIZQGEW5CTKPE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XZS2H23RVIEADSIZQGEW5CTKPE/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":"2026-08-06T09:09:41Z","links":{"resolver":"https://pith.science/pith/XZS2H23RVIEADSIZQGEW5CTKPE","bundle":"https://pith.science/pith/XZS2H23RVIEADSIZQGEW5CTKPE/bundle.json","state":"https://pith.science/pith/XZS2H23RVIEADSIZQGEW5CTKPE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XZS2H23RVIEADSIZQGEW5CTKPE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:XZS2H23RVIEADSIZQGEW5CTKPE","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":"987cdebbbb99d3994c17c341af1afc02d3f8c2d8640c424cde356b6f2d7a74d6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2023-08-31T14:29:10Z","title_canon_sha256":"c2e85766edd5bb796a810bc7dae702811f022966995217e4c98489366e124a69"},"schema_version":"1.0","source":{"id":"2308.16761","kind":"arxiv","version":6}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.16761","created_at":"2026-07-05T07:56:16Z"},{"alias_kind":"arxiv_version","alias_value":"2308.16761v6","created_at":"2026-07-05T07:56:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.16761","created_at":"2026-07-05T07:56:16Z"},{"alias_kind":"pith_short_12","alias_value":"XZS2H23RVIEA","created_at":"2026-07-05T07:56:16Z"},{"alias_kind":"pith_short_16","alias_value":"XZS2H23RVIEADSIZ","created_at":"2026-07-05T07:56:16Z"},{"alias_kind":"pith_short_8","alias_value":"XZS2H23R","created_at":"2026-07-05T07:56:16Z"}],"graph_snapshots":[{"event_id":"sha256:782dec7328ed63b1028bdb34559ddfef6aeef99375a2565aaa1b3e3e2eb96613","target":"graph","created_at":"2026-07-05T07:56:16Z","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/2308.16761/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Category information plays a crucial role in enhancing the quality and personalization of recommender systems. Nevertheless, the availability of item category information is not consistently present, particularly in the context of ID-based recommendations. In this work, we propose a novel approach to automatically learn and generate entity (i.e., user or item) category trees for ID-based recommendation. Specifically, we devise a differentiable vector quantization framework for automatic category tree generation, namely CAGE, which enables the simultaneous learning and refinement of categorical","authors_text":"Jiaren Xiao, Jieming Zhu, Lu Fan, Qijiong Liu, Xiao-Ming Wu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2023-08-31T14:29:10Z","title":"Learning Category Trees for ID-Based Recommendation: Exploring the Power of Differentiable Vector Quantization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.16761","kind":"arxiv","version":6},"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":"sha256:5e08abb8e999e027a21f3bb6609240bf0f93cd46aa93ae82f80c80a8878436fa","target":"record","created_at":"2026-07-05T07:56:16Z","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":"987cdebbbb99d3994c17c341af1afc02d3f8c2d8640c424cde356b6f2d7a74d6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2023-08-31T14:29:10Z","title_canon_sha256":"c2e85766edd5bb796a810bc7dae702811f022966995217e4c98489366e124a69"},"schema_version":"1.0","source":{"id":"2308.16761","kind":"arxiv","version":6}},"canonical_sha256":"be65a3eb71aa0801c91981896e8a6a7934889f36d6421e40d9eddfcc47024768","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"be65a3eb71aa0801c91981896e8a6a7934889f36d6421e40d9eddfcc47024768","first_computed_at":"2026-07-05T07:56:16.675909Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:56:16.675909Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Sre3JJz0Ewmpreo6j2XkxWK22dqP3ONFgsEipQOmXiT0BYOlZ3AWrF023NKxcVh3DtWC1G1Ob7BsrLGfqqTSBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:56:16.676438Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.16761","source_kind":"arxiv","source_version":6}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5e08abb8e999e027a21f3bb6609240bf0f93cd46aa93ae82f80c80a8878436fa","sha256:782dec7328ed63b1028bdb34559ddfef6aeef99375a2565aaa1b3e3e2eb96613"],"state_sha256":"24f23363f36e0eb00fcd4b4ff2eadca366c68fbb54d92fb194a3741a3b933936"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u1m4IjBSAlkCbThjeQbiLpa3YuogRhop5s+36Zd3lY4x0226L9lxogLTAqeA5Ok43p+oNw9LS0GlkEBhzIgQAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T09:09:41.173839Z","bundle_sha256":"18e489982b07e3e03e33f21ed6297a2898d3806dbd11203d4ddf6234974ada2f"}}