{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:WU2XBTLHUH4LMDJICNUSOMVCGO","short_pith_number":"pith:WU2XBTLH","canonical_record":{"source":{"id":"2402.14440","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2024-02-22T10:39:03Z","cross_cats_sorted":[],"title_canon_sha256":"dfa6f885ea3355f7bebdeed25820a80ac7c92b3eb8a1a476ca289754a32c2e0b","abstract_canon_sha256":"a543580e827a54acf7c303a5b639c4c9dcdb30c4420488cfd4a34b673f606c71"},"schema_version":"1.0"},"canonical_sha256":"b53570cd67a1f8b60d2813692732a2338f77975e93e4f5202cef1b5475c7afc8","source":{"kind":"arxiv","id":"2402.14440","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.14440","created_at":"2026-07-05T07:48:10Z"},{"alias_kind":"arxiv_version","alias_value":"2402.14440v1","created_at":"2026-07-05T07:48:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.14440","created_at":"2026-07-05T07:48:10Z"},{"alias_kind":"pith_short_12","alias_value":"WU2XBTLHUH4L","created_at":"2026-07-05T07:48:10Z"},{"alias_kind":"pith_short_16","alias_value":"WU2XBTLHUH4LMDJI","created_at":"2026-07-05T07:48:10Z"},{"alias_kind":"pith_short_8","alias_value":"WU2XBTLH","created_at":"2026-07-05T07:48:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:WU2XBTLHUH4LMDJICNUSOMVCGO","target":"record","payload":{"canonical_record":{"source":{"id":"2402.14440","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2024-02-22T10:39:03Z","cross_cats_sorted":[],"title_canon_sha256":"dfa6f885ea3355f7bebdeed25820a80ac7c92b3eb8a1a476ca289754a32c2e0b","abstract_canon_sha256":"a543580e827a54acf7c303a5b639c4c9dcdb30c4420488cfd4a34b673f606c71"},"schema_version":"1.0"},"canonical_sha256":"b53570cd67a1f8b60d2813692732a2338f77975e93e4f5202cef1b5475c7afc8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:48:10.198534Z","signature_b64":"knnuzWlaoUxWP5t4c4E74dBDSDkydwnNUdzFw5Nl3P1iqYI1XWgapsMUyUTEbSyO+8DiwfdjqwQB67WrnEKoAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b53570cd67a1f8b60d2813692732a2338f77975e93e4f5202cef1b5475c7afc8","last_reissued_at":"2026-07-05T07:48:10.198085Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:48:10.198085Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2402.14440","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":"2026-07-05T07:48:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bPgsWUDiS4dX15Ie8JrW858zdO/Bi2RefAtC24qJmzrroaivoSU5QqH5ysvqTLR4iI6F+jHHpqdsfDdiQCUgDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T22:31:00.257370Z"},"content_sha256":"04e8734841d27dd5a3f4ba5310445665eb306c8d07b4587af0a0a5e0acd40a25","schema_version":"1.0","event_id":"sha256:04e8734841d27dd5a3f4ba5310445665eb306c8d07b4587af0a0a5e0acd40a25"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:WU2XBTLHUH4LMDJICNUSOMVCGO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Recommender for Its Purpose: Repeat and Exploration in Food Delivery Recommendations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.IR","authors_text":"Aixin Sun, Jiayu Li, Min Zhang, Peijie Sun, Weizhi Ma","submitted_at":"2024-02-22T10:39:03Z","abstract_excerpt":"Recommender systems have been widely used for various scenarios, such as e-commerce, news, and music, providing online contents to help and enrich users' daily life. Different scenarios hold distinct and unique characteristics, calling for domain-specific investigations and corresponding designed recommender systems. Therefore, in this paper, we focus on food delivery recommendations to unveil unique features in this domain, where users order food online and enjoy their meals shortly after delivery. We first conduct an in-depth analysis on food delivery datasets. The analysis shows that repeat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.14440","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/2402.14440/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":"2026-07-05T07:48:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D30VZ/Y6Yt4aubjyaW8Bw1XWN3Lf4427v/am4cOyeigi/taU4rQ6Kh1uYD3Lrw6aInDlguf9j0ACu7LwmpYoCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T22:31:00.257988Z"},"content_sha256":"6215fc1d6bf59580f7b80d5d7318eb13c4c3870784742912cb0c7507a6f188b0","schema_version":"1.0","event_id":"sha256:6215fc1d6bf59580f7b80d5d7318eb13c4c3870784742912cb0c7507a6f188b0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WU2XBTLHUH4LMDJICNUSOMVCGO/bundle.json","state_url":"https://pith.science/pith/WU2XBTLHUH4LMDJICNUSOMVCGO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WU2XBTLHUH4LMDJICNUSOMVCGO/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":"2026-08-04T22:31:00Z","links":{"resolver":"https://pith.science/pith/WU2XBTLHUH4LMDJICNUSOMVCGO","bundle":"https://pith.science/pith/WU2XBTLHUH4LMDJICNUSOMVCGO/bundle.json","state":"https://pith.science/pith/WU2XBTLHUH4LMDJICNUSOMVCGO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WU2XBTLHUH4LMDJICNUSOMVCGO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:WU2XBTLHUH4LMDJICNUSOMVCGO","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":"a543580e827a54acf7c303a5b639c4c9dcdb30c4420488cfd4a34b673f606c71","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2024-02-22T10:39:03Z","title_canon_sha256":"dfa6f885ea3355f7bebdeed25820a80ac7c92b3eb8a1a476ca289754a32c2e0b"},"schema_version":"1.0","source":{"id":"2402.14440","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.14440","created_at":"2026-07-05T07:48:10Z"},{"alias_kind":"arxiv_version","alias_value":"2402.14440v1","created_at":"2026-07-05T07:48:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.14440","created_at":"2026-07-05T07:48:10Z"},{"alias_kind":"pith_short_12","alias_value":"WU2XBTLHUH4L","created_at":"2026-07-05T07:48:10Z"},{"alias_kind":"pith_short_16","alias_value":"WU2XBTLHUH4LMDJI","created_at":"2026-07-05T07:48:10Z"},{"alias_kind":"pith_short_8","alias_value":"WU2XBTLH","created_at":"2026-07-05T07:48:10Z"}],"graph_snapshots":[{"event_id":"sha256:6215fc1d6bf59580f7b80d5d7318eb13c4c3870784742912cb0c7507a6f188b0","target":"graph","created_at":"2026-07-05T07:48:10Z","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/2402.14440/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recommender systems have been widely used for various scenarios, such as e-commerce, news, and music, providing online contents to help and enrich users' daily life. Different scenarios hold distinct and unique characteristics, calling for domain-specific investigations and corresponding designed recommender systems. Therefore, in this paper, we focus on food delivery recommendations to unveil unique features in this domain, where users order food online and enjoy their meals shortly after delivery. We first conduct an in-depth analysis on food delivery datasets. The analysis shows that repeat","authors_text":"Aixin Sun, Jiayu Li, Min Zhang, Peijie Sun, Weizhi Ma","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2024-02-22T10:39:03Z","title":"Recommender for Its Purpose: Repeat and Exploration in Food Delivery Recommendations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.14440","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":"sha256:04e8734841d27dd5a3f4ba5310445665eb306c8d07b4587af0a0a5e0acd40a25","target":"record","created_at":"2026-07-05T07:48:10Z","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":"a543580e827a54acf7c303a5b639c4c9dcdb30c4420488cfd4a34b673f606c71","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2024-02-22T10:39:03Z","title_canon_sha256":"dfa6f885ea3355f7bebdeed25820a80ac7c92b3eb8a1a476ca289754a32c2e0b"},"schema_version":"1.0","source":{"id":"2402.14440","kind":"arxiv","version":1}},"canonical_sha256":"b53570cd67a1f8b60d2813692732a2338f77975e93e4f5202cef1b5475c7afc8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b53570cd67a1f8b60d2813692732a2338f77975e93e4f5202cef1b5475c7afc8","first_computed_at":"2026-07-05T07:48:10.198085Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:48:10.198085Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"knnuzWlaoUxWP5t4c4E74dBDSDkydwnNUdzFw5Nl3P1iqYI1XWgapsMUyUTEbSyO+8DiwfdjqwQB67WrnEKoAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:48:10.198534Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.14440","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:04e8734841d27dd5a3f4ba5310445665eb306c8d07b4587af0a0a5e0acd40a25","sha256:6215fc1d6bf59580f7b80d5d7318eb13c4c3870784742912cb0c7507a6f188b0"],"state_sha256":"5c677a58f9705d517229313949da00fdcb873fc4dbbec45b26666e226f60f53b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pyJoLU8AA++k58Od7sIvb4GgMLB6A6Y8fSZ7ToDI3Nfj6qdY7dbd8IAxDoZRX8aJcgHts01XNXMHVu7vjg0MDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T22:31:00.267694Z","bundle_sha256":"75d46972191432069c14a1c77236c6fefa1776464266c4fc11178581aea85611"}}