{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:KTYBMYN2UQ76ENSBCZNEIDZ3VR","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":"c4d080e593a4aba36c8cdc910fff187d208acea29355e38f8b6e27636e16521f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-08-29T20:16:57Z","title_canon_sha256":"fad356ed758578a681f7709b108b88fb1cd63950a0e13fce4dfaed5728de0331"},"schema_version":"1.0","source":{"id":"1808.10031","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.10031","created_at":"2026-05-18T00:06:50Z"},{"alias_kind":"arxiv_version","alias_value":"1808.10031v1","created_at":"2026-05-18T00:06:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.10031","created_at":"2026-05-18T00:06:50Z"},{"alias_kind":"pith_short_12","alias_value":"KTYBMYN2UQ76","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KTYBMYN2UQ76ENSB","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KTYBMYN2","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:46b4d453970337c58dde202ef62e1e5ee2b5f025dd90d089d35174ab7199633d","target":"graph","created_at":"2026-05-18T00:06:50Z","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"},"paper":{"abstract_excerpt":"Recommender Systems have proliferated as general-purpose approaches to model a wide variety of consumer interaction data. Specific instances make use of signals ranging from user feedback, item relationships, geographic locality, social influence (etc.). Typically, research proceeds by showing that making use of a specific signal (within a carefully designed model) allows for higher-fidelity recommendations on a particular dataset. Of course, the real situation is more nuanced, in which a combination of many signals may be at play, or favored in different proportion by individual users. Here w","authors_text":"Julian McAuley, Mengting Wan, Wang-Cheng Kang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-08-29T20:16:57Z","title":"Recommendation Through Mixtures of Heterogeneous Item Relationships"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.10031","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:d111feba44eb62e9bc14fc28b460358f4ee5af894058a2a1e573d9b1e96c363a","target":"record","created_at":"2026-05-18T00:06:50Z","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":"c4d080e593a4aba36c8cdc910fff187d208acea29355e38f8b6e27636e16521f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-08-29T20:16:57Z","title_canon_sha256":"fad356ed758578a681f7709b108b88fb1cd63950a0e13fce4dfaed5728de0331"},"schema_version":"1.0","source":{"id":"1808.10031","kind":"arxiv","version":1}},"canonical_sha256":"54f01661baa43fe23641165a440f3bac60e8a05602914eb9f9ea01be5806abcc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"54f01661baa43fe23641165a440f3bac60e8a05602914eb9f9ea01be5806abcc","first_computed_at":"2026-05-18T00:06:50.049026Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:50.049026Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K8nStovPMRK6+YUNlzCFEjio+UPU4ggIQvREjrjGSTMaPS/QmeIkgM0ydCSDmen54bHnaAeDbhUNiLgkqBK9BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:50.049710Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.10031","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d111feba44eb62e9bc14fc28b460358f4ee5af894058a2a1e573d9b1e96c363a","sha256:46b4d453970337c58dde202ef62e1e5ee2b5f025dd90d089d35174ab7199633d"],"state_sha256":"35347747cf65a612816af73c85d5240fcf0eeac80cbd6c74aafb48e9859bf350"}