{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:6XOH6LA5O66C5SJ6N6O3DPXLHC","short_pith_number":"pith:6XOH6LA5","canonical_record":{"source":{"id":"2304.01226","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-04-02T08:23:20Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"079dad7d310b21f133e48a4f84251fd7ed7bac36c21bafae333f71cf07c2e2db","abstract_canon_sha256":"d37c53415a437dbc66fcaff5bb8a4ad6da3223b3e5c13a9ebd588dccc365eeda"},"schema_version":"1.0"},"canonical_sha256":"f5dc7f2c1d77bc2ec93e6f9db1beeb38b3410c92c00e7bde6061d338f802d5b5","source":{"kind":"arxiv","id":"2304.01226","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.01226","created_at":"2026-07-05T05:57:37Z"},{"alias_kind":"arxiv_version","alias_value":"2304.01226v1","created_at":"2026-07-05T05:57:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.01226","created_at":"2026-07-05T05:57:37Z"},{"alias_kind":"pith_short_12","alias_value":"6XOH6LA5O66C","created_at":"2026-07-05T05:57:37Z"},{"alias_kind":"pith_short_16","alias_value":"6XOH6LA5O66C5SJ6","created_at":"2026-07-05T05:57:37Z"},{"alias_kind":"pith_short_8","alias_value":"6XOH6LA5","created_at":"2026-07-05T05:57:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:6XOH6LA5O66C5SJ6N6O3DPXLHC","target":"record","payload":{"canonical_record":{"source":{"id":"2304.01226","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-04-02T08:23:20Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"079dad7d310b21f133e48a4f84251fd7ed7bac36c21bafae333f71cf07c2e2db","abstract_canon_sha256":"d37c53415a437dbc66fcaff5bb8a4ad6da3223b3e5c13a9ebd588dccc365eeda"},"schema_version":"1.0"},"canonical_sha256":"f5dc7f2c1d77bc2ec93e6f9db1beeb38b3410c92c00e7bde6061d338f802d5b5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:57:37.875973Z","signature_b64":"3IQAiDoTeAWZYrcBE+oTjaGifXOVZpq8luztUWzIEB498ZJMuGASe7zQxLbxNVStPx74f0Kx8SXe4tHDuM1rDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f5dc7f2c1d77bc2ec93e6f9db1beeb38b3410c92c00e7bde6061d338f802d5b5","last_reissued_at":"2026-07-05T05:57:37.875575Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:57:37.875575Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2304.01226","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":"2026-07-05T05:57:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E4323Oc+056Q3MUV9/3hsIPFON24YCp6m4M9I4ogAxYZgGbzwSUkJzJoIvuRDmJEPsJtDMQ8QIrg4V1XJFsECA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T12:02:29.120445Z"},"content_sha256":"355cf0a5a55b5edfcc143b76f70a28d97254ec890ae0292bcbb2dc206bf08b3e","schema_version":"1.0","event_id":"sha256:355cf0a5a55b5edfcc143b76f70a28d97254ec890ae0292bcbb2dc206bf08b3e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:6XOH6LA5O66C5SJ6N6O3DPXLHC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Abnormal Event Detection via Hypergraph Contrastive Learning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.LG","authors_text":"Bo Yan, Cheng Yang, Chuan Shi, Jiawei Liu, Xiaochen Wang","submitted_at":"2023-04-02T08:23:20Z","abstract_excerpt":"Abnormal event detection, which refers to mining unusual interactions among involved entities, plays an important role in many real applications. Previous works mostly over-simplify this task as detecting abnormal pair-wise interactions. However, real-world events may contain multi-typed attributed entities and complex interactions among them, which forms an Attributed Heterogeneous Information Network (AHIN). With the boom of social networks, abnormal event detection in AHIN has become an important, but seldom explored task. In this paper, we firstly study the unsupervised abnormal event dete"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.01226","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/2304.01226/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":"2026-07-05T05:57:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nbnkdJqlMBqw8/JDrybHLd61qhnuydZOa2KPZDWKeRU6mhDNA1cI3bNYfYnT+xEDW6Z1kxGIaJlX/rE8mwPsCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T12:02:29.120942Z"},"content_sha256":"b3041f3a01410d2923dfcac6537c1ecf4169e4bb4cc74c16d35c1758e3e79089","schema_version":"1.0","event_id":"sha256:b3041f3a01410d2923dfcac6537c1ecf4169e4bb4cc74c16d35c1758e3e79089"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6XOH6LA5O66C5SJ6N6O3DPXLHC/bundle.json","state_url":"https://pith.science/pith/6XOH6LA5O66C5SJ6N6O3DPXLHC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6XOH6LA5O66C5SJ6N6O3DPXLHC/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":"2026-08-18T12:02:29Z","links":{"resolver":"https://pith.science/pith/6XOH6LA5O66C5SJ6N6O3DPXLHC","bundle":"https://pith.science/pith/6XOH6LA5O66C5SJ6N6O3DPXLHC/bundle.json","state":"https://pith.science/pith/6XOH6LA5O66C5SJ6N6O3DPXLHC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6XOH6LA5O66C5SJ6N6O3DPXLHC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:6XOH6LA5O66C5SJ6N6O3DPXLHC","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":"d37c53415a437dbc66fcaff5bb8a4ad6da3223b3e5c13a9ebd588dccc365eeda","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-04-02T08:23:20Z","title_canon_sha256":"079dad7d310b21f133e48a4f84251fd7ed7bac36c21bafae333f71cf07c2e2db"},"schema_version":"1.0","source":{"id":"2304.01226","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.01226","created_at":"2026-07-05T05:57:37Z"},{"alias_kind":"arxiv_version","alias_value":"2304.01226v1","created_at":"2026-07-05T05:57:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.01226","created_at":"2026-07-05T05:57:37Z"},{"alias_kind":"pith_short_12","alias_value":"6XOH6LA5O66C","created_at":"2026-07-05T05:57:37Z"},{"alias_kind":"pith_short_16","alias_value":"6XOH6LA5O66C5SJ6","created_at":"2026-07-05T05:57:37Z"},{"alias_kind":"pith_short_8","alias_value":"6XOH6LA5","created_at":"2026-07-05T05:57:37Z"}],"graph_snapshots":[{"event_id":"sha256:b3041f3a01410d2923dfcac6537c1ecf4169e4bb4cc74c16d35c1758e3e79089","target":"graph","created_at":"2026-07-05T05:57:37Z","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/2304.01226/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Abnormal event detection, which refers to mining unusual interactions among involved entities, plays an important role in many real applications. Previous works mostly over-simplify this task as detecting abnormal pair-wise interactions. However, real-world events may contain multi-typed attributed entities and complex interactions among them, which forms an Attributed Heterogeneous Information Network (AHIN). With the boom of social networks, abnormal event detection in AHIN has become an important, but seldom explored task. In this paper, we firstly study the unsupervised abnormal event dete","authors_text":"Bo Yan, Cheng Yang, Chuan Shi, Jiawei Liu, Xiaochen Wang","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-04-02T08:23:20Z","title":"Abnormal Event Detection via Hypergraph Contrastive Learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.01226","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":"sha256:355cf0a5a55b5edfcc143b76f70a28d97254ec890ae0292bcbb2dc206bf08b3e","target":"record","created_at":"2026-07-05T05:57:37Z","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":"d37c53415a437dbc66fcaff5bb8a4ad6da3223b3e5c13a9ebd588dccc365eeda","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-04-02T08:23:20Z","title_canon_sha256":"079dad7d310b21f133e48a4f84251fd7ed7bac36c21bafae333f71cf07c2e2db"},"schema_version":"1.0","source":{"id":"2304.01226","kind":"arxiv","version":1}},"canonical_sha256":"f5dc7f2c1d77bc2ec93e6f9db1beeb38b3410c92c00e7bde6061d338f802d5b5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f5dc7f2c1d77bc2ec93e6f9db1beeb38b3410c92c00e7bde6061d338f802d5b5","first_computed_at":"2026-07-05T05:57:37.875575Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:57:37.875575Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3IQAiDoTeAWZYrcBE+oTjaGifXOVZpq8luztUWzIEB498ZJMuGASe7zQxLbxNVStPx74f0Kx8SXe4tHDuM1rDA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:57:37.875973Z","signed_message":"canonical_sha256_bytes"},"source_id":"2304.01226","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:355cf0a5a55b5edfcc143b76f70a28d97254ec890ae0292bcbb2dc206bf08b3e","sha256:b3041f3a01410d2923dfcac6537c1ecf4169e4bb4cc74c16d35c1758e3e79089"],"state_sha256":"89534099e68f23a7b45f93a00ca0917bd4977d8e17c62e0db982839fc930f9ce"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FYBap8/sG5pPTgZYUUYfId1DgX26UNDKoYLnaHuwj/Oi5IUiaMh94KAIRt37ozVZWfttUpLj6OvYVqiZupd+Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T12:02:29.125181Z","bundle_sha256":"eddfba310e5068eeb7232a1af51604db46ff374b73d323ceaea20d9e475dcdaf"}}