{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:R7VA3BG3QKCE7J4CFEMW6VQOHU","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":"fe43ce201ce3fcd81d1ef0c7629e64a23fc16ef1cc81656c3b30b66de006a6e9","cross_cats_sorted":["cs.IR","cs.MM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-06-17T23:50:45Z","title_canon_sha256":"dd6af1d0e6351e8d108ae69515209daa784b1fc74389081bdf1cbecaa93154f5"},"schema_version":"1.0","source":{"id":"2606.19658","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.19658","created_at":"2026-06-19T16:12:31Z"},{"alias_kind":"arxiv_version","alias_value":"2606.19658v1","created_at":"2026-06-19T16:12:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.19658","created_at":"2026-06-19T16:12:31Z"},{"alias_kind":"pith_short_12","alias_value":"R7VA3BG3QKCE","created_at":"2026-06-19T16:12:31Z"},{"alias_kind":"pith_short_16","alias_value":"R7VA3BG3QKCE7J4C","created_at":"2026-06-19T16:12:31Z"},{"alias_kind":"pith_short_8","alias_value":"R7VA3BG3","created_at":"2026-06-19T16:12:31Z"}],"graph_snapshots":[{"event_id":"sha256:e4ca65d9e5eaf040988e7580cd1a5d527c6e7576aaa66b74e80c7220ebade49a","target":"graph","created_at":"2026-06-19T16:12:31Z","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/2606.19658/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Implicit feedback is widely used in recommender systems due to its accessibility and generality, yet it usually presents noisy samples (e.g., clickbait, position bias). Meanwhile, recommenders inevitably face the item cold-start problem due to the continuous influx of new items. We identify that cold items are more prone to noisy samples due to the aforementioned factors, and researchers often overlook the significance of denoising implicit feedback for cold items. Previous denoising studies usually identify noisy samples based on heuristic patterns, such as higher loss values, and mitigate no","authors_text":"Gaode Chen, Jun Zhang, Rui Huang, Ruina Sun, Shicheng Wang, Shikun Li, Shiming Ge, Shipeng Li, Xinghua Zhang, Yinjie Jiang, Yunze Luo","cross_cats":["cs.IR","cs.MM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-06-17T23:50:45Z","title":"Denoising Implicit Feedback for Cold-start Recommendation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.19658","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:a16c5683b9d28a974c0914f592e87dcc3fbb676cb9a7e1eefb606455d3151b77","target":"record","created_at":"2026-06-19T16:12:31Z","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":"fe43ce201ce3fcd81d1ef0c7629e64a23fc16ef1cc81656c3b30b66de006a6e9","cross_cats_sorted":["cs.IR","cs.MM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-06-17T23:50:45Z","title_canon_sha256":"dd6af1d0e6351e8d108ae69515209daa784b1fc74389081bdf1cbecaa93154f5"},"schema_version":"1.0","source":{"id":"2606.19658","kind":"arxiv","version":1}},"canonical_sha256":"8fea0d84db82844fa78229196f560e3d21d763731f187d21ac14badbaf44801c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8fea0d84db82844fa78229196f560e3d21d763731f187d21ac14badbaf44801c","first_computed_at":"2026-06-19T16:12:31.482600Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:12:31.482600Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c2saUKlWyomRLE6KntP9hzhgtB4Fp5cLzAMhfucJgRaJxxi5leYiYFQbntw3PMWgoubn6jP6MNnpdiGt0qZoDA==","signature_status":"signed_v1","signed_at":"2026-06-19T16:12:31.482923Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.19658","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a16c5683b9d28a974c0914f592e87dcc3fbb676cb9a7e1eefb606455d3151b77","sha256:e4ca65d9e5eaf040988e7580cd1a5d527c6e7576aaa66b74e80c7220ebade49a"],"state_sha256":"a402aef4921fa1ff429a5d36e088b453117824bba453cec3190802287be94484"}