{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:BGLWE2B7XOTELXMPXRWY3EFULJ","short_pith_number":"pith:BGLWE2B7","canonical_record":{"source":{"id":"2205.13248","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-05-26T09:36:20Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"3ae9a1e629842b2b858250f39620864f59610d6d03e77d7ad75935d004456aff","abstract_canon_sha256":"66b72107d7e0b25e296afc908dc36096d0329c307a54b30f26d5c65a997c34c6"},"schema_version":"1.0"},"canonical_sha256":"099762683fbba645dd8fbc6d8d90b45a4574897d0f0a99ac12a220367d17f25b","source":{"kind":"arxiv","id":"2205.13248","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.13248","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"arxiv_version","alias_value":"2205.13248v1","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.13248","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"pith_short_12","alias_value":"BGLWE2B7XOTE","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"BGLWE2B7XOTELXMP","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"BGLWE2B7","created_at":"2026-07-05T04:26:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:BGLWE2B7XOTELXMPXRWY3EFULJ","target":"record","payload":{"canonical_record":{"source":{"id":"2205.13248","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-05-26T09:36:20Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"3ae9a1e629842b2b858250f39620864f59610d6d03e77d7ad75935d004456aff","abstract_canon_sha256":"66b72107d7e0b25e296afc908dc36096d0329c307a54b30f26d5c65a997c34c6"},"schema_version":"1.0"},"canonical_sha256":"099762683fbba645dd8fbc6d8d90b45a4574897d0f0a99ac12a220367d17f25b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:26:41.277352Z","signature_b64":"Rx1XR4h8Sk3h6qhmJgO9/eNpljIu7ko5LsjUA7cXVXnXrWluau6H8e0FToT2dmsTTJt2JGqJg0SYSF04yl7YDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"099762683fbba645dd8fbc6d8d90b45a4574897d0f0a99ac12a220367d17f25b","last_reissued_at":"2026-07-05T04:26:41.276941Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:26:41.276941Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.13248","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":"2026-07-05T04:26:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cg17+7zmDRLhT8Emb46yq8hEJ6rPexU5ZLTq0O4lCkOkACG10CGIYQ0npkCiBjBuMmNWQ6Igrm3TyF8UYFMhBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T00:07:33.270142Z"},"content_sha256":"35eca4ac499b0b9b687ec341c1f314b921f25dc01c1b6115126a4952eaf17137","schema_version":"1.0","event_id":"sha256:35eca4ac499b0b9b687ec341c1f314b921f25dc01c1b6115126a4952eaf17137"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:BGLWE2B7XOTELXMPXRWY3EFULJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constrained Reinforcement Learning for Short Video Recommendation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.IR"],"primary_cat":"cs.LG","authors_text":"Chi Zhang, Dong Zheng, Guangwei Ding, Jie Zheng, Peng Jiang, Pinghua Gong, Qingpeng Cai, Ruohan Zhan","submitted_at":"2022-05-26T09:36:20Z","abstract_excerpt":"The wide popularity of short videos on social media poses new opportunities and challenges to optimize recommender systems on the video-sharing platforms. Users provide complex and multi-faceted responses towards recommendations, including watch time and various types of interactions with videos. As a result, established recommendation algorithms that concern a single objective are not adequate to meet this new demand of optimizing comprehensive user experiences. In this paper, we formulate the problem of short video recommendation as a constrained Markov Decision Process (MDP), where platform"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.13248","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/2205.13248/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":"2026-07-05T04:26:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nySD84LO5kCgQUqhntbjE4NrHNadZT4bsu7KFipuuhmAAQ960Ln30WlP5ZxCaWZU5TVWG8s6wuB0iomFiFYJBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T00:07:33.270701Z"},"content_sha256":"fd28794e173d8e422d5a01454d3eb6a7fbf9cd684639f29753e17e0699891533","schema_version":"1.0","event_id":"sha256:fd28794e173d8e422d5a01454d3eb6a7fbf9cd684639f29753e17e0699891533"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BGLWE2B7XOTELXMPXRWY3EFULJ/bundle.json","state_url":"https://pith.science/pith/BGLWE2B7XOTELXMPXRWY3EFULJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BGLWE2B7XOTELXMPXRWY3EFULJ/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":"2026-08-07T00:07:33Z","links":{"resolver":"https://pith.science/pith/BGLWE2B7XOTELXMPXRWY3EFULJ","bundle":"https://pith.science/pith/BGLWE2B7XOTELXMPXRWY3EFULJ/bundle.json","state":"https://pith.science/pith/BGLWE2B7XOTELXMPXRWY3EFULJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BGLWE2B7XOTELXMPXRWY3EFULJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:BGLWE2B7XOTELXMPXRWY3EFULJ","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":"66b72107d7e0b25e296afc908dc36096d0329c307a54b30f26d5c65a997c34c6","cross_cats_sorted":["cs.IR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-05-26T09:36:20Z","title_canon_sha256":"3ae9a1e629842b2b858250f39620864f59610d6d03e77d7ad75935d004456aff"},"schema_version":"1.0","source":{"id":"2205.13248","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.13248","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"arxiv_version","alias_value":"2205.13248v1","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.13248","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"pith_short_12","alias_value":"BGLWE2B7XOTE","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"BGLWE2B7XOTELXMP","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"BGLWE2B7","created_at":"2026-07-05T04:26:41Z"}],"graph_snapshots":[{"event_id":"sha256:fd28794e173d8e422d5a01454d3eb6a7fbf9cd684639f29753e17e0699891533","target":"graph","created_at":"2026-07-05T04:26:41Z","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/2205.13248/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The wide popularity of short videos on social media poses new opportunities and challenges to optimize recommender systems on the video-sharing platforms. Users provide complex and multi-faceted responses towards recommendations, including watch time and various types of interactions with videos. As a result, established recommendation algorithms that concern a single objective are not adequate to meet this new demand of optimizing comprehensive user experiences. In this paper, we formulate the problem of short video recommendation as a constrained Markov Decision Process (MDP), where platform","authors_text":"Chi Zhang, Dong Zheng, Guangwei Ding, Jie Zheng, Peng Jiang, Pinghua Gong, Qingpeng Cai, Ruohan Zhan","cross_cats":["cs.IR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-05-26T09:36:20Z","title":"Constrained Reinforcement Learning for Short Video Recommendation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.13248","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":"sha256:35eca4ac499b0b9b687ec341c1f314b921f25dc01c1b6115126a4952eaf17137","target":"record","created_at":"2026-07-05T04:26:41Z","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":"66b72107d7e0b25e296afc908dc36096d0329c307a54b30f26d5c65a997c34c6","cross_cats_sorted":["cs.IR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-05-26T09:36:20Z","title_canon_sha256":"3ae9a1e629842b2b858250f39620864f59610d6d03e77d7ad75935d004456aff"},"schema_version":"1.0","source":{"id":"2205.13248","kind":"arxiv","version":1}},"canonical_sha256":"099762683fbba645dd8fbc6d8d90b45a4574897d0f0a99ac12a220367d17f25b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"099762683fbba645dd8fbc6d8d90b45a4574897d0f0a99ac12a220367d17f25b","first_computed_at":"2026-07-05T04:26:41.276941Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:26:41.276941Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Rx1XR4h8Sk3h6qhmJgO9/eNpljIu7ko5LsjUA7cXVXnXrWluau6H8e0FToT2dmsTTJt2JGqJg0SYSF04yl7YDA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:26:41.277352Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.13248","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:35eca4ac499b0b9b687ec341c1f314b921f25dc01c1b6115126a4952eaf17137","sha256:fd28794e173d8e422d5a01454d3eb6a7fbf9cd684639f29753e17e0699891533"],"state_sha256":"7205e1c4e731e156d826681f32c386bece808cc13abc4ae347cae1ee3f52871d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DuL8cTI3h7WErGRPwpclZneF8+HVXS833f/V2A7IKoKMlfl5Y5y+W+uXDHeI2ziYobuuGa9AjWKYCEGrbk54DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T00:07:33.298394Z","bundle_sha256":"5a38ab3d2c790e78499ca6ad18acf1cdd0716ed1a03ee831088d45867b2020ce"}}