{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:R4SMPVJCHOXH6SBCU3YKWCHR5U","short_pith_number":"pith:R4SMPVJC","canonical_record":{"source":{"id":"2308.05508","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2023-08-10T11:41:34Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"20592c81ff99ca3481c20514b9d7c8e16995dd871339983ddb2af74ad0010417","abstract_canon_sha256":"e271d10fc130f1f499b8a94fbcaa9a46972bcdf9d2494a8b884af39db5e1b902"},"schema_version":"1.0"},"canonical_sha256":"8f24c7d5223bae7f4822a6f0ab08f1ed2a165537c0dbd0d600b3490ec43bd591","source":{"kind":"arxiv","id":"2308.05508","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.05508","created_at":"2026-07-05T06:40:36Z"},{"alias_kind":"arxiv_version","alias_value":"2308.05508v2","created_at":"2026-07-05T06:40:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.05508","created_at":"2026-07-05T06:40:36Z"},{"alias_kind":"pith_short_12","alias_value":"R4SMPVJCHOXH","created_at":"2026-07-05T06:40:36Z"},{"alias_kind":"pith_short_16","alias_value":"R4SMPVJCHOXH6SBC","created_at":"2026-07-05T06:40:36Z"},{"alias_kind":"pith_short_8","alias_value":"R4SMPVJC","created_at":"2026-07-05T06:40:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:R4SMPVJCHOXH6SBCU3YKWCHR5U","target":"record","payload":{"canonical_record":{"source":{"id":"2308.05508","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2023-08-10T11:41:34Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"20592c81ff99ca3481c20514b9d7c8e16995dd871339983ddb2af74ad0010417","abstract_canon_sha256":"e271d10fc130f1f499b8a94fbcaa9a46972bcdf9d2494a8b884af39db5e1b902"},"schema_version":"1.0"},"canonical_sha256":"8f24c7d5223bae7f4822a6f0ab08f1ed2a165537c0dbd0d600b3490ec43bd591","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:40:36.799196Z","signature_b64":"ny6DZKPvzflpLNkd4raMjGPeeHLTkQgHmVuDPdWPxcWEM3fIMmloBWZR3/GSzBcBgMMZcxR1AtINCu3X1pjwDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8f24c7d5223bae7f4822a6f0ab08f1ed2a165537c0dbd0d600b3490ec43bd591","last_reissued_at":"2026-07-05T06:40:36.798729Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:40:36.798729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.05508","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:40:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RuaRV4yshGxxWwdHggl9Oiqbenx/9vXx283+Hup2szr5MKZTAx3uhaxPRrPR7LkfilKT9Z3rKBqCFC6kBwgnAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T01:29:51.435696Z"},"content_sha256":"2e10ce69d624ba51812e6259a9330afcd3065983fb5d718ae8df25dc75d0aef1","schema_version":"1.0","event_id":"sha256:2e10ce69d624ba51812e6259a9330afcd3065983fb5d718ae8df25dc75d0aef1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:R4SMPVJCHOXH6SBCU3YKWCHR5U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multi-domain Recommendation with Embedding Disentangling and Domain Alignment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.IR","authors_text":"Bo Tang, Reynold Cheng, Rui Zhang, Weiwen Liu, Wentao Ning, Xiao Yan","submitted_at":"2023-08-10T11:41:34Z","abstract_excerpt":"Multi-domain recommendation (MDR) aims to provide recommendations for different domains (e.g., types of products) with overlapping users/items and is common for platforms such as Amazon, Facebook, and LinkedIn that host multiple services. Existing MDR models face two challenges: First, it is difficult to disentangle knowledge that generalizes across domains (e.g., a user likes cheap items) and knowledge specific to a single domain (e.g., a user likes blue clothing but not blue cars). Second, they have limited ability to transfer knowledge across domains with small overlaps. We propose a new MD"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.05508","kind":"arxiv","version":2},"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/2308.05508/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":"2026-07-05T06:40:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"350wycDOnyKvyDn5myX2q3OegCOWB+9+geB4lvgfYPp76NJTjQzJx3ze+FdbyyAinv7zYeOKx7/sih6mxW0JAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T01:29:51.436735Z"},"content_sha256":"a5bc03990250e576657cee8a08d61038d4f1769ffa8e2813224963c3140de52f","schema_version":"1.0","event_id":"sha256:a5bc03990250e576657cee8a08d61038d4f1769ffa8e2813224963c3140de52f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R4SMPVJCHOXH6SBCU3YKWCHR5U/bundle.json","state_url":"https://pith.science/pith/R4SMPVJCHOXH6SBCU3YKWCHR5U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R4SMPVJCHOXH6SBCU3YKWCHR5U/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":"2026-08-15T01:29:51Z","links":{"resolver":"https://pith.science/pith/R4SMPVJCHOXH6SBCU3YKWCHR5U","bundle":"https://pith.science/pith/R4SMPVJCHOXH6SBCU3YKWCHR5U/bundle.json","state":"https://pith.science/pith/R4SMPVJCHOXH6SBCU3YKWCHR5U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R4SMPVJCHOXH6SBCU3YKWCHR5U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:R4SMPVJCHOXH6SBCU3YKWCHR5U","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":"e271d10fc130f1f499b8a94fbcaa9a46972bcdf9d2494a8b884af39db5e1b902","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2023-08-10T11:41:34Z","title_canon_sha256":"20592c81ff99ca3481c20514b9d7c8e16995dd871339983ddb2af74ad0010417"},"schema_version":"1.0","source":{"id":"2308.05508","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.05508","created_at":"2026-07-05T06:40:36Z"},{"alias_kind":"arxiv_version","alias_value":"2308.05508v2","created_at":"2026-07-05T06:40:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.05508","created_at":"2026-07-05T06:40:36Z"},{"alias_kind":"pith_short_12","alias_value":"R4SMPVJCHOXH","created_at":"2026-07-05T06:40:36Z"},{"alias_kind":"pith_short_16","alias_value":"R4SMPVJCHOXH6SBC","created_at":"2026-07-05T06:40:36Z"},{"alias_kind":"pith_short_8","alias_value":"R4SMPVJC","created_at":"2026-07-05T06:40:36Z"}],"graph_snapshots":[{"event_id":"sha256:a5bc03990250e576657cee8a08d61038d4f1769ffa8e2813224963c3140de52f","target":"graph","created_at":"2026-07-05T06:40:36Z","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/2308.05508/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multi-domain recommendation (MDR) aims to provide recommendations for different domains (e.g., types of products) with overlapping users/items and is common for platforms such as Amazon, Facebook, and LinkedIn that host multiple services. Existing MDR models face two challenges: First, it is difficult to disentangle knowledge that generalizes across domains (e.g., a user likes cheap items) and knowledge specific to a single domain (e.g., a user likes blue clothing but not blue cars). Second, they have limited ability to transfer knowledge across domains with small overlaps. We propose a new MD","authors_text":"Bo Tang, Reynold Cheng, Rui Zhang, Weiwen Liu, Wentao Ning, Xiao Yan","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2023-08-10T11:41:34Z","title":"Multi-domain Recommendation with Embedding Disentangling and Domain Alignment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.05508","kind":"arxiv","version":2},"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":"sha256:2e10ce69d624ba51812e6259a9330afcd3065983fb5d718ae8df25dc75d0aef1","target":"record","created_at":"2026-07-05T06:40:36Z","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":"e271d10fc130f1f499b8a94fbcaa9a46972bcdf9d2494a8b884af39db5e1b902","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2023-08-10T11:41:34Z","title_canon_sha256":"20592c81ff99ca3481c20514b9d7c8e16995dd871339983ddb2af74ad0010417"},"schema_version":"1.0","source":{"id":"2308.05508","kind":"arxiv","version":2}},"canonical_sha256":"8f24c7d5223bae7f4822a6f0ab08f1ed2a165537c0dbd0d600b3490ec43bd591","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8f24c7d5223bae7f4822a6f0ab08f1ed2a165537c0dbd0d600b3490ec43bd591","first_computed_at":"2026-07-05T06:40:36.798729Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:40:36.798729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ny6DZKPvzflpLNkd4raMjGPeeHLTkQgHmVuDPdWPxcWEM3fIMmloBWZR3/GSzBcBgMMZcxR1AtINCu3X1pjwDA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:40:36.799196Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.05508","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2e10ce69d624ba51812e6259a9330afcd3065983fb5d718ae8df25dc75d0aef1","sha256:a5bc03990250e576657cee8a08d61038d4f1769ffa8e2813224963c3140de52f"],"state_sha256":"3aeb5e40526b3ee34f771eef2c729834aa5248faad7f1bfca812a727804479c8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WBr7OSNH4OnctprdCrE/Bt/DsqVd1uvH6e8xRSZSYe4IG9eqI/KTKzvFJulXIw7jqQVezTlrOnO4SPmK2+FvDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T01:29:51.450897Z","bundle_sha256":"391575a6a5d742cb04ba1dd64933a476e978dfd8333dd468e55fe911a8e60f19"}}