{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:DSZGOG7K24JAU6D67LDPNL6NDQ","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":"9b1dad3fb13e6856c1d423b0a8717cd3dd525b79c13a9fb44ebaefcd21c7f488","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2025-07-28T07:22:06Z","title_canon_sha256":"e42caadfbf6a4f9fde5b50b20c74984dece98a7452e7544f1182ee43b32fb7d2"},"schema_version":"1.0","source":{"id":"2507.20578","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.20578","created_at":"2026-07-05T11:44:21Z"},{"alias_kind":"arxiv_version","alias_value":"2507.20578v1","created_at":"2026-07-05T11:44:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.20578","created_at":"2026-07-05T11:44:21Z"},{"alias_kind":"pith_short_12","alias_value":"DSZGOG7K24JA","created_at":"2026-07-05T11:44:21Z"},{"alias_kind":"pith_short_16","alias_value":"DSZGOG7K24JAU6D6","created_at":"2026-07-05T11:44:21Z"},{"alias_kind":"pith_short_8","alias_value":"DSZGOG7K","created_at":"2026-07-05T11:44:21Z"}],"graph_snapshots":[{"event_id":"sha256:0d919c43c86be3802909db6685389045ee6753adddbea24a59068833ac1d0cd0","target":"graph","created_at":"2026-07-05T11:44:21Z","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/2507.20578/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent advances in recommender systems rely on external resources such as knowledge graphs or large language models to enhance recommendations, which limit applicability in real-world settings due to data dependency and computational overhead. Although knowledge-free models are able to bolster recommendations by direct edge operations as well, the absence of augmentation primitives drives them to fall short in bridging semantic and structural gaps as high-quality paradigm substitutes. Unlike existing diffusion-based works that remodel user-item interactions, this work proposes NodeDiffRec, a p","authors_text":"Hyunjun Ahn, In-Young Ko, Zhaoyan Wang","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2025-07-28T07:22:06Z","title":"Beyond Interactions: Node-Level Graph Generation for Knowledge-Free Augmentation in Recommender Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.20578","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":"sha256:14cc955f79b7fc5cd3beeec8e7426f49f625762c2efc7ff5c2129069e636d4ae","target":"record","created_at":"2026-07-05T11:44:21Z","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":"9b1dad3fb13e6856c1d423b0a8717cd3dd525b79c13a9fb44ebaefcd21c7f488","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2025-07-28T07:22:06Z","title_canon_sha256":"e42caadfbf6a4f9fde5b50b20c74984dece98a7452e7544f1182ee43b32fb7d2"},"schema_version":"1.0","source":{"id":"2507.20578","kind":"arxiv","version":1}},"canonical_sha256":"1cb2671bead7120a787efac6f6afcd1c3b397e4982ae0ecc52f178017cfce450","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1cb2671bead7120a787efac6f6afcd1c3b397e4982ae0ecc52f178017cfce450","first_computed_at":"2026-07-05T11:44:21.902734Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:44:21.902734Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9pHFzv5xsOac1XHLVUWcHoc1LwKKbO/HBp98J25/sGDkVJpBC6hfwuXIg4Fdjt+f8sxk9f3C7iGgxGhyZUU+Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:44:21.903145Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.20578","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:14cc955f79b7fc5cd3beeec8e7426f49f625762c2efc7ff5c2129069e636d4ae","sha256:0d919c43c86be3802909db6685389045ee6753adddbea24a59068833ac1d0cd0"],"state_sha256":"4e540eb51da7d36af340e254248099b705b044a783481609e26a52078aa46c87"}