{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:XDSXRBH7VIVWNQK43OM3QZDOHN","short_pith_number":"pith:XDSXRBH7","canonical_record":{"source":{"id":"2202.05456","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2022-02-11T05:33:19Z","cross_cats_sorted":[],"title_canon_sha256":"13d2d0caa40a429fc7c51b77d71c96e3c39ae210bad5f20e7a3db130a98ee379","abstract_canon_sha256":"74def839d5094df00b398e2a6885fe87c8a63b2fb04a0e9cf44f44635f87f832"},"schema_version":"1.0"},"canonical_sha256":"b8e57884ffaa2b66c15cdb99b8646e3b58229f52ea70db7d029248d5e182e03c","source":{"kind":"arxiv","id":"2202.05456","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.05456","created_at":"2026-07-05T03:56:08Z"},{"alias_kind":"arxiv_version","alias_value":"2202.05456v1","created_at":"2026-07-05T03:56:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.05456","created_at":"2026-07-05T03:56:08Z"},{"alias_kind":"pith_short_12","alias_value":"XDSXRBH7VIVW","created_at":"2026-07-05T03:56:08Z"},{"alias_kind":"pith_short_16","alias_value":"XDSXRBH7VIVWNQK4","created_at":"2026-07-05T03:56:08Z"},{"alias_kind":"pith_short_8","alias_value":"XDSXRBH7","created_at":"2026-07-05T03:56:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:XDSXRBH7VIVWNQK43OM3QZDOHN","target":"record","payload":{"canonical_record":{"source":{"id":"2202.05456","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2022-02-11T05:33:19Z","cross_cats_sorted":[],"title_canon_sha256":"13d2d0caa40a429fc7c51b77d71c96e3c39ae210bad5f20e7a3db130a98ee379","abstract_canon_sha256":"74def839d5094df00b398e2a6885fe87c8a63b2fb04a0e9cf44f44635f87f832"},"schema_version":"1.0"},"canonical_sha256":"b8e57884ffaa2b66c15cdb99b8646e3b58229f52ea70db7d029248d5e182e03c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:56:08.390004Z","signature_b64":"UEmw4la27C79cbvH7cYgFKUp+MUyXojzA6N9PW0m8CR1fiWfQ0IYyLygq58vx/dHySJaQHdPU+KL4U5M/oQAAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b8e57884ffaa2b66c15cdb99b8646e3b58229f52ea70db7d029248d5e182e03c","last_reissued_at":"2026-07-05T03:56:08.389528Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:56:08.389528Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.05456","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":"2026-07-05T03:56:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rK5hZwncAponbopdjrMCoeXXsnnBiTOZNEmTkm72PRdIu8ANCuO//ih4/cdRz6Ni0qQWNkMDZLqRgymP6VbvAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:02:39.464622Z"},"content_sha256":"72fd69c8fd3f718bdf14dac7e48a272e82d5afc4d9305e293c13d24ef88994e5","schema_version":"1.0","event_id":"sha256:72fd69c8fd3f718bdf14dac7e48a272e82d5afc4d9305e293c13d24ef88994e5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:XDSXRBH7VIVWNQK43OM3QZDOHN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"NEAT: A Label Noise-resistant Complementary Item Recommender System with Trustworthy Evaluation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.IR","authors_text":"Evren Korpeoglu, Jason H.D. Cho, Jianpeng Xu, Kannan Achan, Luyi Ma, Sushant Kumar","submitted_at":"2022-02-11T05:33:19Z","abstract_excerpt":"The complementary item recommender system (CIRS) recommends the complementary items for a given query item. Existing CIRS models consider the item co-purchase signal as a proxy of the complementary relationship due to the lack of human-curated labels from the huge transaction records. These methods represent items in a complementary embedding space and model the complementary relationship as a point estimation of the similarity between items vectors. However, co-purchased items are not necessarily complementary to each other. For example, customers may frequently purchase bananas and bottled w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.05456","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/2202.05456/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":"2026-07-05T03:56:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WYH0oBoBbY49cC/f/5RhruhA6U1AlZKNNNwc7eobq05oTMXXO6mbSontj+6R293jUaLIcvDxQEe7Useo8FPxBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:02:39.465449Z"},"content_sha256":"a849637206893bd9188eaee518d2ba3279f609881c7e2a503b6d8270011eaed0","schema_version":"1.0","event_id":"sha256:a849637206893bd9188eaee518d2ba3279f609881c7e2a503b6d8270011eaed0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XDSXRBH7VIVWNQK43OM3QZDOHN/bundle.json","state_url":"https://pith.science/pith/XDSXRBH7VIVWNQK43OM3QZDOHN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XDSXRBH7VIVWNQK43OM3QZDOHN/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":"2026-07-07T13:02:39Z","links":{"resolver":"https://pith.science/pith/XDSXRBH7VIVWNQK43OM3QZDOHN","bundle":"https://pith.science/pith/XDSXRBH7VIVWNQK43OM3QZDOHN/bundle.json","state":"https://pith.science/pith/XDSXRBH7VIVWNQK43OM3QZDOHN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XDSXRBH7VIVWNQK43OM3QZDOHN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:XDSXRBH7VIVWNQK43OM3QZDOHN","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":"74def839d5094df00b398e2a6885fe87c8a63b2fb04a0e9cf44f44635f87f832","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2022-02-11T05:33:19Z","title_canon_sha256":"13d2d0caa40a429fc7c51b77d71c96e3c39ae210bad5f20e7a3db130a98ee379"},"schema_version":"1.0","source":{"id":"2202.05456","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.05456","created_at":"2026-07-05T03:56:08Z"},{"alias_kind":"arxiv_version","alias_value":"2202.05456v1","created_at":"2026-07-05T03:56:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.05456","created_at":"2026-07-05T03:56:08Z"},{"alias_kind":"pith_short_12","alias_value":"XDSXRBH7VIVW","created_at":"2026-07-05T03:56:08Z"},{"alias_kind":"pith_short_16","alias_value":"XDSXRBH7VIVWNQK4","created_at":"2026-07-05T03:56:08Z"},{"alias_kind":"pith_short_8","alias_value":"XDSXRBH7","created_at":"2026-07-05T03:56:08Z"}],"graph_snapshots":[{"event_id":"sha256:a849637206893bd9188eaee518d2ba3279f609881c7e2a503b6d8270011eaed0","target":"graph","created_at":"2026-07-05T03:56:08Z","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/2202.05456/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The complementary item recommender system (CIRS) recommends the complementary items for a given query item. Existing CIRS models consider the item co-purchase signal as a proxy of the complementary relationship due to the lack of human-curated labels from the huge transaction records. These methods represent items in a complementary embedding space and model the complementary relationship as a point estimation of the similarity between items vectors. However, co-purchased items are not necessarily complementary to each other. For example, customers may frequently purchase bananas and bottled w","authors_text":"Evren Korpeoglu, Jason H.D. Cho, Jianpeng Xu, Kannan Achan, Luyi Ma, Sushant Kumar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2022-02-11T05:33:19Z","title":"NEAT: A Label Noise-resistant Complementary Item Recommender System with Trustworthy Evaluation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.05456","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":"sha256:72fd69c8fd3f718bdf14dac7e48a272e82d5afc4d9305e293c13d24ef88994e5","target":"record","created_at":"2026-07-05T03:56:08Z","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":"74def839d5094df00b398e2a6885fe87c8a63b2fb04a0e9cf44f44635f87f832","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2022-02-11T05:33:19Z","title_canon_sha256":"13d2d0caa40a429fc7c51b77d71c96e3c39ae210bad5f20e7a3db130a98ee379"},"schema_version":"1.0","source":{"id":"2202.05456","kind":"arxiv","version":1}},"canonical_sha256":"b8e57884ffaa2b66c15cdb99b8646e3b58229f52ea70db7d029248d5e182e03c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b8e57884ffaa2b66c15cdb99b8646e3b58229f52ea70db7d029248d5e182e03c","first_computed_at":"2026-07-05T03:56:08.389528Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:56:08.389528Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UEmw4la27C79cbvH7cYgFKUp+MUyXojzA6N9PW0m8CR1fiWfQ0IYyLygq58vx/dHySJaQHdPU+KL4U5M/oQAAw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:56:08.390004Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.05456","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:72fd69c8fd3f718bdf14dac7e48a272e82d5afc4d9305e293c13d24ef88994e5","sha256:a849637206893bd9188eaee518d2ba3279f609881c7e2a503b6d8270011eaed0"],"state_sha256":"0e062a0b0d212d8044d03ac961e9c6ab3c56699ce6a32df22f388d8edc7b71a2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yHE3i3wYzjuulCMHkF6shePhnCQOS5DdVEX9qEPOiOf4IweIkqNVHDVvim9OT5aAPBcQ2PsXFvQb4jJpSIlyCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:02:39.469518Z","bundle_sha256":"9e7044d8f4d9c46e655896e21683eb9e7afdfe038b42e2eb5b0a12cc2e16c05b"}}