{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:IJN4WNZ7UHWWLSKIZLRATDNZKY","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":"b1a9a6c68a944e84867ce5fed91f5c374c26a3d60d384a4937eee7832e2542c0","cross_cats_sorted":["cs.CL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2021-08-31T14:47:37Z","title_canon_sha256":"d417f41d61644e5d51f7e881a606c6286ea8439d16c31e9f5ee608b29a8e996d"},"schema_version":"1.0","source":{"id":"2108.13888","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.13888","created_at":"2026-07-05T03:10:18Z"},{"alias_kind":"arxiv_version","alias_value":"2108.13888v1","created_at":"2026-07-05T03:10:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.13888","created_at":"2026-07-05T03:10:18Z"},{"alias_kind":"pith_short_12","alias_value":"IJN4WNZ7UHWW","created_at":"2026-07-05T03:10:18Z"},{"alias_kind":"pith_short_16","alias_value":"IJN4WNZ7UHWWLSKI","created_at":"2026-07-05T03:10:18Z"},{"alias_kind":"pith_short_8","alias_value":"IJN4WNZ7","created_at":"2026-07-05T03:10:18Z"}],"graph_snapshots":[{"event_id":"sha256:89efbd8a3e5cadd4a904332798eb172f717372ca9ca4a41f1d208c42d2a08108","target":"graph","created_at":"2026-07-05T03:10:18Z","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/2108.13888/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"\\textbf{P}re-\\textbf{T}rained \\textbf{M}odel\\textbf{s} have been widely applied and recently proved vulnerable under backdoor attacks: the released pre-trained weights can be maliciously poisoned with certain triggers. When the triggers are activated, even the fine-tuned model will predict pre-defined labels, causing a security threat. These backdoors generated by the poisoning methods can be erased by changing hyper-parameters during fine-tuning or detected by finding the triggers. In this paper, we propose a stronger weight-poisoning attack method that introduces a layerwise weight poisoning","authors_text":"Demin Song, Jiehang Zeng, Linyang Li, Ruotian Ma, Xiaonan Li, Xipeng Qiu","cross_cats":["cs.CL"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2021-08-31T14:47:37Z","title":"Backdoor Attacks on Pre-trained Models by Layerwise Weight Poisoning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.13888","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":"sha256:694c52e859d03400f3263b3a37b1eeac98e36b8ea1b313fbbbed5b71bcfffb1d","target":"record","created_at":"2026-07-05T03:10:18Z","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":"b1a9a6c68a944e84867ce5fed91f5c374c26a3d60d384a4937eee7832e2542c0","cross_cats_sorted":["cs.CL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2021-08-31T14:47:37Z","title_canon_sha256":"d417f41d61644e5d51f7e881a606c6286ea8439d16c31e9f5ee608b29a8e996d"},"schema_version":"1.0","source":{"id":"2108.13888","kind":"arxiv","version":1}},"canonical_sha256":"425bcb373fa1ed65c948cae2098db9562deea4f18d0ad80c2a6d9610a03c5309","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"425bcb373fa1ed65c948cae2098db9562deea4f18d0ad80c2a6d9610a03c5309","first_computed_at":"2026-07-05T03:10:18.599812Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:10:18.599812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2RO3HmzD/MEiChSFVllsYPZbh8DVF2GRyLvhVtGXxkfNmHX8dy2Y9r93QpDtmBuSKkqPDtqTP1ig5tVZ62RvAw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:10:18.600254Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.13888","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:694c52e859d03400f3263b3a37b1eeac98e36b8ea1b313fbbbed5b71bcfffb1d","sha256:89efbd8a3e5cadd4a904332798eb172f717372ca9ca4a41f1d208c42d2a08108"],"state_sha256":"297de95356d242721f5068a1c66c5f27fb43a964ea7c15048e2d064b4b1b4a71"}