{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:LMQUJZ2DS2NJEYOMWSBZDHUBQI","short_pith_number":"pith:LMQUJZ2D","canonical_record":{"source":{"id":"2109.05789","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2021-09-13T09:12:12Z","cross_cats_sorted":[],"title_canon_sha256":"007798d2bd7abc7940051c8f88fbea1ed956a150ee1b1b4e57c6439fca2e37ab","abstract_canon_sha256":"3dca88ab8d8ef2ff7bc868074f9a80a87203bfc809d0ea13a854bf80a9a6a852"},"schema_version":"1.0"},"canonical_sha256":"5b2144e743969a9261ccb483919e81822a55fe9d24d1de7791d412095c12dd92","source":{"kind":"arxiv","id":"2109.05789","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.05789","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"arxiv_version","alias_value":"2109.05789v2","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.05789","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"pith_short_12","alias_value":"LMQUJZ2DS2NJ","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"pith_short_16","alias_value":"LMQUJZ2DS2NJEYOM","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"pith_short_8","alias_value":"LMQUJZ2D","created_at":"2026-07-05T03:16:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:LMQUJZ2DS2NJEYOMWSBZDHUBQI","target":"record","payload":{"canonical_record":{"source":{"id":"2109.05789","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2021-09-13T09:12:12Z","cross_cats_sorted":[],"title_canon_sha256":"007798d2bd7abc7940051c8f88fbea1ed956a150ee1b1b4e57c6439fca2e37ab","abstract_canon_sha256":"3dca88ab8d8ef2ff7bc868074f9a80a87203bfc809d0ea13a854bf80a9a6a852"},"schema_version":"1.0"},"canonical_sha256":"5b2144e743969a9261ccb483919e81822a55fe9d24d1de7791d412095c12dd92","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:16:34.218488Z","signature_b64":"GOVqLz/DQllscjaGSjfoo23oE3b2z5DNXVHyBm+JZJ7tqtCbLOOPrqdTAHn1MU1Km8qBXGvaFs1Dxa12P7WzDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b2144e743969a9261ccb483919e81822a55fe9d24d1de7791d412095c12dd92","last_reissued_at":"2026-07-05T03:16:34.218040Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:16:34.218040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.05789","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":"2026-07-05T03:16:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rSuoDtDecr/uhiJZtFkgM00FjSDLxwOccTpD9dxY2Kl9ke+H8zPB1hj405BseHuNg9QDQM7JhUUkuBukhw87Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T20:12:29.551032Z"},"content_sha256":"89c185a63e95d4df2e5f05e4ecb0e2d3efbf042596e31581d2af60a0210e4563","schema_version":"1.0","event_id":"sha256:89c185a63e95d4df2e5f05e4ecb0e2d3efbf042596e31581d2af60a0210e4563"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:LMQUJZ2DS2NJEYOMWSBZDHUBQI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ARGO: Modeling Heterogeneity in E-commerce Recommendation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.IR","authors_text":"Chong Chen, Daqing Wu, Jinwen Ma, Minghua Deng, Xiao Luo, Zeyu Ma","submitted_at":"2021-09-13T09:12:12Z","abstract_excerpt":"Nowadays, E-commerce is increasingly integrated into our daily lives. Meanwhile, shopping process has also changed incrementally from one behavior (purchase) to multiple behaviors (such as view, carting and purchase). Therefore, utilizing interaction data of auxiliary behavior data draws a lot of attention in the E-commerce recommender systems. However, all existing models ignore two kinds of intrinsic heterogeneity which are helpful to capture the difference of user preferences and the difference of item attributes. First (intra-heterogeneity), each user has multiple social identities with ot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.05789","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/2109.05789/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":"2026-07-05T03:16:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fmGgrHJaKI7A9P8SSPAc8WSPeyZ9e81MWAuYVGSiAYOoUByGMlBbsJA/DEQry1DmtLENfBF3rqvp7ASOSdRwDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T20:12:29.551526Z"},"content_sha256":"1a1c9af7a3c44e5c73eca4420152b759cc5419206e0ffe4cb6780241632162a8","schema_version":"1.0","event_id":"sha256:1a1c9af7a3c44e5c73eca4420152b759cc5419206e0ffe4cb6780241632162a8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LMQUJZ2DS2NJEYOMWSBZDHUBQI/bundle.json","state_url":"https://pith.science/pith/LMQUJZ2DS2NJEYOMWSBZDHUBQI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LMQUJZ2DS2NJEYOMWSBZDHUBQI/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":"2026-08-03T20:12:29Z","links":{"resolver":"https://pith.science/pith/LMQUJZ2DS2NJEYOMWSBZDHUBQI","bundle":"https://pith.science/pith/LMQUJZ2DS2NJEYOMWSBZDHUBQI/bundle.json","state":"https://pith.science/pith/LMQUJZ2DS2NJEYOMWSBZDHUBQI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LMQUJZ2DS2NJEYOMWSBZDHUBQI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:LMQUJZ2DS2NJEYOMWSBZDHUBQI","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":"3dca88ab8d8ef2ff7bc868074f9a80a87203bfc809d0ea13a854bf80a9a6a852","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2021-09-13T09:12:12Z","title_canon_sha256":"007798d2bd7abc7940051c8f88fbea1ed956a150ee1b1b4e57c6439fca2e37ab"},"schema_version":"1.0","source":{"id":"2109.05789","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.05789","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"arxiv_version","alias_value":"2109.05789v2","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.05789","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"pith_short_12","alias_value":"LMQUJZ2DS2NJ","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"pith_short_16","alias_value":"LMQUJZ2DS2NJEYOM","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"pith_short_8","alias_value":"LMQUJZ2D","created_at":"2026-07-05T03:16:34Z"}],"graph_snapshots":[{"event_id":"sha256:1a1c9af7a3c44e5c73eca4420152b759cc5419206e0ffe4cb6780241632162a8","target":"graph","created_at":"2026-07-05T03:16:34Z","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/2109.05789/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Nowadays, E-commerce is increasingly integrated into our daily lives. Meanwhile, shopping process has also changed incrementally from one behavior (purchase) to multiple behaviors (such as view, carting and purchase). Therefore, utilizing interaction data of auxiliary behavior data draws a lot of attention in the E-commerce recommender systems. However, all existing models ignore two kinds of intrinsic heterogeneity which are helpful to capture the difference of user preferences and the difference of item attributes. First (intra-heterogeneity), each user has multiple social identities with ot","authors_text":"Chong Chen, Daqing Wu, Jinwen Ma, Minghua Deng, Xiao Luo, Zeyu Ma","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2021-09-13T09:12:12Z","title":"ARGO: Modeling Heterogeneity in E-commerce Recommendation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.05789","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":"sha256:89c185a63e95d4df2e5f05e4ecb0e2d3efbf042596e31581d2af60a0210e4563","target":"record","created_at":"2026-07-05T03:16:34Z","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":"3dca88ab8d8ef2ff7bc868074f9a80a87203bfc809d0ea13a854bf80a9a6a852","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2021-09-13T09:12:12Z","title_canon_sha256":"007798d2bd7abc7940051c8f88fbea1ed956a150ee1b1b4e57c6439fca2e37ab"},"schema_version":"1.0","source":{"id":"2109.05789","kind":"arxiv","version":2}},"canonical_sha256":"5b2144e743969a9261ccb483919e81822a55fe9d24d1de7791d412095c12dd92","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b2144e743969a9261ccb483919e81822a55fe9d24d1de7791d412095c12dd92","first_computed_at":"2026-07-05T03:16:34.218040Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:16:34.218040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GOVqLz/DQllscjaGSjfoo23oE3b2z5DNXVHyBm+JZJ7tqtCbLOOPrqdTAHn1MU1Km8qBXGvaFs1Dxa12P7WzDg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:16:34.218488Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.05789","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:89c185a63e95d4df2e5f05e4ecb0e2d3efbf042596e31581d2af60a0210e4563","sha256:1a1c9af7a3c44e5c73eca4420152b759cc5419206e0ffe4cb6780241632162a8"],"state_sha256":"9980243ef7614ca71e95554f921bf6a3e185cd66619b470e95fcc588c94e4576"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BMtWAbE2sobFzYhUWZJgd25vOr3YvTZvnIAVldLR3BnfprzYSYxridHlvEE7TiU8dvs5btjZ48+BZG1kMRv7Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T20:12:29.556132Z","bundle_sha256":"a86ee127c53270489e10715dde7a6d998d4c35d0182b053cd4585b29e814262b"}}