{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:TMHURAASC6ZAXJP2XNMAA4W6WA","short_pith_number":"pith:TMHURAAS","canonical_record":{"source":{"id":"2503.09712","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2025-03-12T18:05:32Z","cross_cats_sorted":["cs.AI","cs.CR"],"title_canon_sha256":"2c6a23fd457c93cb0331c90b896a9eb8ca7b736282e034219b5633709a26a03d","abstract_canon_sha256":"8e0c8c59b858fbb6db149e1d5f00dfd1fa8326bc2ec4a2bbcbdf1328f469f7d1"},"schema_version":"1.0"},"canonical_sha256":"9b0f48801217b20ba5fabb580072deb017238bdc489745d6b128235672afe994","source":{"kind":"arxiv","id":"2503.09712","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.09712","created_at":"2026-07-05T11:04:47Z"},{"alias_kind":"arxiv_version","alias_value":"2503.09712v3","created_at":"2026-07-05T11:04:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.09712","created_at":"2026-07-05T11:04:47Z"},{"alias_kind":"pith_short_12","alias_value":"TMHURAASC6ZA","created_at":"2026-07-05T11:04:47Z"},{"alias_kind":"pith_short_16","alias_value":"TMHURAASC6ZAXJP2","created_at":"2026-07-05T11:04:47Z"},{"alias_kind":"pith_short_8","alias_value":"TMHURAAS","created_at":"2026-07-05T11:04:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:TMHURAASC6ZAXJP2XNMAA4W6WA","target":"record","payload":{"canonical_record":{"source":{"id":"2503.09712","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2025-03-12T18:05:32Z","cross_cats_sorted":["cs.AI","cs.CR"],"title_canon_sha256":"2c6a23fd457c93cb0331c90b896a9eb8ca7b736282e034219b5633709a26a03d","abstract_canon_sha256":"8e0c8c59b858fbb6db149e1d5f00dfd1fa8326bc2ec4a2bbcbdf1328f469f7d1"},"schema_version":"1.0"},"canonical_sha256":"9b0f48801217b20ba5fabb580072deb017238bdc489745d6b128235672afe994","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:04:47.176415Z","signature_b64":"fHW7blklMDSqoIy/5xom2MbHeVgypBMzBsWVUwetIrhp9NeAMYAQI5XosSj8IReH8OsCY2BkKRmj0RfxMAU3Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b0f48801217b20ba5fabb580072deb017238bdc489745d6b128235672afe994","last_reissued_at":"2026-07-05T11:04:47.175864Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:04:47.175864Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.09712","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:04:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pwPhbUUwbqT223aLapNp8zOcMEUnB9O9JzjAwquXtBHWSvOgtF9QXD0KPFjR/VzZCILgOBe5/jyHMNSHqIcZDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T11:03:49.757523Z"},"content_sha256":"c190f36873bdfa11537b99828e08c6814f48437d83f7bf40f8f701d593031bdf","schema_version":"1.0","event_id":"sha256:c190f36873bdfa11537b99828e08c6814f48437d83f7bf40f8f701d593031bdf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:TMHURAASC6ZAXJP2XNMAA4W6WA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Revisiting Backdoor Attacks on Time Series Classification in the Frequency Domain","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cs.AI","cs.CR"],"primary_cat":"cs.LG","authors_text":"Min Yang, Mi Zhang, Wenxuan Li, Yuanmin Huang, Zhaoxiang Wang","submitted_at":"2025-03-12T18:05:32Z","abstract_excerpt":"Time series classification (TSC) is a cornerstone of modern web applications, powering tasks such as financial data analysis, network traffic monitoring, and user behavior analysis. In recent years, deep neural networks (DNNs) have greatly enhanced the performance of TSC models in these critical domains. However, DNNs are vulnerable to backdoor attacks, where attackers can covertly implant triggers into models to induce malicious outcomes. Existing backdoor attacks targeting DNN-based TSC models remain elementary. In particular, early methods borrow trigger designs from computer vision, which "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.09712","kind":"arxiv","version":3},"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/2503.09712/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":"2026-07-05T11:04:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EF8aN+ThEu/BsAWShi5LYxsiFNLGeg6wtTKPlxS1O9gayJUxzBDT646bW5seMHKnN3SLSc9Jbamyq4RVC3QNCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T11:03:49.758815Z"},"content_sha256":"a5a5cf4c9e5791c312a77f287de93538223c1ab767996086ffe19b0f9d74135e","schema_version":"1.0","event_id":"sha256:a5a5cf4c9e5791c312a77f287de93538223c1ab767996086ffe19b0f9d74135e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TMHURAASC6ZAXJP2XNMAA4W6WA/bundle.json","state_url":"https://pith.science/pith/TMHURAASC6ZAXJP2XNMAA4W6WA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TMHURAASC6ZAXJP2XNMAA4W6WA/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":"2026-08-10T11:03:49Z","links":{"resolver":"https://pith.science/pith/TMHURAASC6ZAXJP2XNMAA4W6WA","bundle":"https://pith.science/pith/TMHURAASC6ZAXJP2XNMAA4W6WA/bundle.json","state":"https://pith.science/pith/TMHURAASC6ZAXJP2XNMAA4W6WA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TMHURAASC6ZAXJP2XNMAA4W6WA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:TMHURAASC6ZAXJP2XNMAA4W6WA","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":"8e0c8c59b858fbb6db149e1d5f00dfd1fa8326bc2ec4a2bbcbdf1328f469f7d1","cross_cats_sorted":["cs.AI","cs.CR"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2025-03-12T18:05:32Z","title_canon_sha256":"2c6a23fd457c93cb0331c90b896a9eb8ca7b736282e034219b5633709a26a03d"},"schema_version":"1.0","source":{"id":"2503.09712","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.09712","created_at":"2026-07-05T11:04:47Z"},{"alias_kind":"arxiv_version","alias_value":"2503.09712v3","created_at":"2026-07-05T11:04:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.09712","created_at":"2026-07-05T11:04:47Z"},{"alias_kind":"pith_short_12","alias_value":"TMHURAASC6ZA","created_at":"2026-07-05T11:04:47Z"},{"alias_kind":"pith_short_16","alias_value":"TMHURAASC6ZAXJP2","created_at":"2026-07-05T11:04:47Z"},{"alias_kind":"pith_short_8","alias_value":"TMHURAAS","created_at":"2026-07-05T11:04:47Z"}],"graph_snapshots":[{"event_id":"sha256:a5a5cf4c9e5791c312a77f287de93538223c1ab767996086ffe19b0f9d74135e","target":"graph","created_at":"2026-07-05T11:04:47Z","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/2503.09712/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Time series classification (TSC) is a cornerstone of modern web applications, powering tasks such as financial data analysis, network traffic monitoring, and user behavior analysis. In recent years, deep neural networks (DNNs) have greatly enhanced the performance of TSC models in these critical domains. However, DNNs are vulnerable to backdoor attacks, where attackers can covertly implant triggers into models to induce malicious outcomes. Existing backdoor attacks targeting DNN-based TSC models remain elementary. In particular, early methods borrow trigger designs from computer vision, which ","authors_text":"Min Yang, Mi Zhang, Wenxuan Li, Yuanmin Huang, Zhaoxiang Wang","cross_cats":["cs.AI","cs.CR"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2025-03-12T18:05:32Z","title":"Revisiting Backdoor Attacks on Time Series Classification in the Frequency Domain"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.09712","kind":"arxiv","version":3},"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:c190f36873bdfa11537b99828e08c6814f48437d83f7bf40f8f701d593031bdf","target":"record","created_at":"2026-07-05T11:04:47Z","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":"8e0c8c59b858fbb6db149e1d5f00dfd1fa8326bc2ec4a2bbcbdf1328f469f7d1","cross_cats_sorted":["cs.AI","cs.CR"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2025-03-12T18:05:32Z","title_canon_sha256":"2c6a23fd457c93cb0331c90b896a9eb8ca7b736282e034219b5633709a26a03d"},"schema_version":"1.0","source":{"id":"2503.09712","kind":"arxiv","version":3}},"canonical_sha256":"9b0f48801217b20ba5fabb580072deb017238bdc489745d6b128235672afe994","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b0f48801217b20ba5fabb580072deb017238bdc489745d6b128235672afe994","first_computed_at":"2026-07-05T11:04:47.175864Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:04:47.175864Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fHW7blklMDSqoIy/5xom2MbHeVgypBMzBsWVUwetIrhp9NeAMYAQI5XosSj8IReH8OsCY2BkKRmj0RfxMAU3Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:04:47.176415Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.09712","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c190f36873bdfa11537b99828e08c6814f48437d83f7bf40f8f701d593031bdf","sha256:a5a5cf4c9e5791c312a77f287de93538223c1ab767996086ffe19b0f9d74135e"],"state_sha256":"4bd2bd63a750fbc66e27aa3c16495a6099133e30c03c6d08ea709285521e2a56"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ohsZnz1gDu6GO6hGwUnRCqwpEsFmFD1FV/eBxgVhVnRdsWIU1b+8Mh2IidzMSowXx+IiN+QfIYwfvkRpqrGODA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T11:03:49.766024Z","bundle_sha256":"478d55b6b791f71d11a9388a4faf3dc6779ca041815b884e71fd027749e78e27"}}