{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:CYVLO63GSHCYJ6AM75CWMW47H5","short_pith_number":"pith:CYVLO63G","canonical_record":{"source":{"id":"2106.04415","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2021-06-07T03:30:24Z","cross_cats_sorted":[],"title_canon_sha256":"e3cc6089d90972229692c7b60babf791ee4d415367737e4b1024e1d82dd908a6","abstract_canon_sha256":"cb8c8e83c851930f0acda66158f20a1507583ef36437f3c1bb1f45bfb9dd1225"},"schema_version":"1.0"},"canonical_sha256":"162ab77b6691c584f80cff45665b9f3f5b2034faae84418d1d720ca897c2ffd3","source":{"kind":"arxiv","id":"2106.04415","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.04415","created_at":"2026-07-05T04:47:38Z"},{"alias_kind":"arxiv_version","alias_value":"2106.04415v1","created_at":"2026-07-05T04:47:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.04415","created_at":"2026-07-05T04:47:38Z"},{"alias_kind":"pith_short_12","alias_value":"CYVLO63GSHCY","created_at":"2026-07-05T04:47:38Z"},{"alias_kind":"pith_short_16","alias_value":"CYVLO63GSHCYJ6AM","created_at":"2026-07-05T04:47:38Z"},{"alias_kind":"pith_short_8","alias_value":"CYVLO63G","created_at":"2026-07-05T04:47:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:CYVLO63GSHCYJ6AM75CWMW47H5","target":"record","payload":{"canonical_record":{"source":{"id":"2106.04415","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2021-06-07T03:30:24Z","cross_cats_sorted":[],"title_canon_sha256":"e3cc6089d90972229692c7b60babf791ee4d415367737e4b1024e1d82dd908a6","abstract_canon_sha256":"cb8c8e83c851930f0acda66158f20a1507583ef36437f3c1bb1f45bfb9dd1225"},"schema_version":"1.0"},"canonical_sha256":"162ab77b6691c584f80cff45665b9f3f5b2034faae84418d1d720ca897c2ffd3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:47:38.861984Z","signature_b64":"h7/9na0p49/DKkbHiMopTQ8DJX23ZNf5l/yGl2kVryggN3tQdGG0qxg0LPA3/hrr6dQCFRNSLME0M5aQp8VOBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"162ab77b6691c584f80cff45665b9f3f5b2034faae84418d1d720ca897c2ffd3","last_reissued_at":"2026-07-05T04:47:38.861477Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:47:38.861477Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2106.04415","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":"2026-07-05T04:47:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q2HC8O98BDksBf7oeNqY2XpX/58s2WFGb/i180cgqmXD1TYBGFBk2xg27Kv6h431emhq8iKD02uywmc1/ht4Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-14T21:05:45.063704Z"},"content_sha256":"32523f5b31537887f293d40a8899847c1376ff75ec8b2e15b53ef0f6a58962d8","schema_version":"1.0","event_id":"sha256:32523f5b31537887f293d40a8899847c1376ff75ec8b2e15b53ef0f6a58962d8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:CYVLO63GSHCYJ6AM75CWMW47H5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploring Periodicity and Interactivity in Multi-Interest Framework for Sequential Recommendation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.IR","authors_text":"Cong Xue, Gaode Chen, Ji Xiang, Xinghua Zhang, Yanyan Zhao","submitted_at":"2021-06-07T03:30:24Z","abstract_excerpt":"Sequential recommendation systems alleviate the problem of information overload, and have attracted increasing attention in the literature. Most prior works usually obtain an overall representation based on the user's behavior sequence, which can not sufficiently reflect the multiple interests of the user. To this end, we propose a novel method called PIMI to mitigate this issue. PIMI can model the user's multi-interest representation effectively by considering both the periodicity and interactivity in the item sequence. Specifically, we design a periodicity-aware module to utilize the time in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.04415","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/2106.04415/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":"2026-07-05T04:47:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"itcQdClj5DVFLt12gGdYB2RQxVjiTam88yC+lWLjBWq8f3botshAeFGrboK2+sV8apP1Xhaf9eYf5iH1G4UxAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-14T21:05:45.064071Z"},"content_sha256":"1d5157137e747c5dc1187dccb0cf4261ee21add6d9be8a6fdc346e9759c577b7","schema_version":"1.0","event_id":"sha256:1d5157137e747c5dc1187dccb0cf4261ee21add6d9be8a6fdc346e9759c577b7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CYVLO63GSHCYJ6AM75CWMW47H5/bundle.json","state_url":"https://pith.science/pith/CYVLO63GSHCYJ6AM75CWMW47H5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CYVLO63GSHCYJ6AM75CWMW47H5/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":"2026-07-14T21:05:45Z","links":{"resolver":"https://pith.science/pith/CYVLO63GSHCYJ6AM75CWMW47H5","bundle":"https://pith.science/pith/CYVLO63GSHCYJ6AM75CWMW47H5/bundle.json","state":"https://pith.science/pith/CYVLO63GSHCYJ6AM75CWMW47H5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CYVLO63GSHCYJ6AM75CWMW47H5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:CYVLO63GSHCYJ6AM75CWMW47H5","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":"cb8c8e83c851930f0acda66158f20a1507583ef36437f3c1bb1f45bfb9dd1225","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2021-06-07T03:30:24Z","title_canon_sha256":"e3cc6089d90972229692c7b60babf791ee4d415367737e4b1024e1d82dd908a6"},"schema_version":"1.0","source":{"id":"2106.04415","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.04415","created_at":"2026-07-05T04:47:38Z"},{"alias_kind":"arxiv_version","alias_value":"2106.04415v1","created_at":"2026-07-05T04:47:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.04415","created_at":"2026-07-05T04:47:38Z"},{"alias_kind":"pith_short_12","alias_value":"CYVLO63GSHCY","created_at":"2026-07-05T04:47:38Z"},{"alias_kind":"pith_short_16","alias_value":"CYVLO63GSHCYJ6AM","created_at":"2026-07-05T04:47:38Z"},{"alias_kind":"pith_short_8","alias_value":"CYVLO63G","created_at":"2026-07-05T04:47:38Z"}],"graph_snapshots":[{"event_id":"sha256:1d5157137e747c5dc1187dccb0cf4261ee21add6d9be8a6fdc346e9759c577b7","target":"graph","created_at":"2026-07-05T04:47:38Z","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/2106.04415/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Sequential recommendation systems alleviate the problem of information overload, and have attracted increasing attention in the literature. Most prior works usually obtain an overall representation based on the user's behavior sequence, which can not sufficiently reflect the multiple interests of the user. To this end, we propose a novel method called PIMI to mitigate this issue. PIMI can model the user's multi-interest representation effectively by considering both the periodicity and interactivity in the item sequence. Specifically, we design a periodicity-aware module to utilize the time in","authors_text":"Cong Xue, Gaode Chen, Ji Xiang, Xinghua Zhang, Yanyan Zhao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2021-06-07T03:30:24Z","title":"Exploring Periodicity and Interactivity in Multi-Interest Framework for Sequential Recommendation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.04415","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":"sha256:32523f5b31537887f293d40a8899847c1376ff75ec8b2e15b53ef0f6a58962d8","target":"record","created_at":"2026-07-05T04:47:38Z","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":"cb8c8e83c851930f0acda66158f20a1507583ef36437f3c1bb1f45bfb9dd1225","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2021-06-07T03:30:24Z","title_canon_sha256":"e3cc6089d90972229692c7b60babf791ee4d415367737e4b1024e1d82dd908a6"},"schema_version":"1.0","source":{"id":"2106.04415","kind":"arxiv","version":1}},"canonical_sha256":"162ab77b6691c584f80cff45665b9f3f5b2034faae84418d1d720ca897c2ffd3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"162ab77b6691c584f80cff45665b9f3f5b2034faae84418d1d720ca897c2ffd3","first_computed_at":"2026-07-05T04:47:38.861477Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:47:38.861477Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"h7/9na0p49/DKkbHiMopTQ8DJX23ZNf5l/yGl2kVryggN3tQdGG0qxg0LPA3/hrr6dQCFRNSLME0M5aQp8VOBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:47:38.861984Z","signed_message":"canonical_sha256_bytes"},"source_id":"2106.04415","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:32523f5b31537887f293d40a8899847c1376ff75ec8b2e15b53ef0f6a58962d8","sha256:1d5157137e747c5dc1187dccb0cf4261ee21add6d9be8a6fdc346e9759c577b7"],"state_sha256":"e4853a1f63db0d42995c2e7d680e407f3242dec9a8283188597e00ca882d347e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qnNyYl+IfS+jsiGmcrSdr9xTZkqWV8rdV4/yFcmHKC8ZFmr6p8LfMU0Hj36eGK8KHu2mbYZxrVMsMiALNZR6Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-14T21:05:45.066402Z","bundle_sha256":"2a5a341d8e8fb9c641a1fa4b472c99100117d96a49f23ba69d232520292c9d5c"}}