{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:6G4UFP55ALZLRJWSYD3KN3ZWKL","short_pith_number":"pith:6G4UFP55","canonical_record":{"source":{"id":"2206.10875","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-06-22T06:55:03Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"05a6d1dab79df7e9b288126d1716eaa4dc901b74fc6e8940e237a7a02c64b026","abstract_canon_sha256":"ee7676892d5ca8974354ceff7070b0a034aad31c68031555d21337a5ba4d347e"},"schema_version":"1.0"},"canonical_sha256":"f1b942bfbd02f2b8a6d2c0f6a6ef3652e19cec2e6067fb86f2896cfda9782749","source":{"kind":"arxiv","id":"2206.10875","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.10875","created_at":"2026-07-05T04:33:56Z"},{"alias_kind":"arxiv_version","alias_value":"2206.10875v1","created_at":"2026-07-05T04:33:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.10875","created_at":"2026-07-05T04:33:56Z"},{"alias_kind":"pith_short_12","alias_value":"6G4UFP55ALZL","created_at":"2026-07-05T04:33:56Z"},{"alias_kind":"pith_short_16","alias_value":"6G4UFP55ALZLRJWS","created_at":"2026-07-05T04:33:56Z"},{"alias_kind":"pith_short_8","alias_value":"6G4UFP55","created_at":"2026-07-05T04:33:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:6G4UFP55ALZLRJWSYD3KN3ZWKL","target":"record","payload":{"canonical_record":{"source":{"id":"2206.10875","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-06-22T06:55:03Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"05a6d1dab79df7e9b288126d1716eaa4dc901b74fc6e8940e237a7a02c64b026","abstract_canon_sha256":"ee7676892d5ca8974354ceff7070b0a034aad31c68031555d21337a5ba4d347e"},"schema_version":"1.0"},"canonical_sha256":"f1b942bfbd02f2b8a6d2c0f6a6ef3652e19cec2e6067fb86f2896cfda9782749","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:33:56.670261Z","signature_b64":"YgUjLaVP12KVK/PAj91Q9BxDhMZcaCbXTQp0wIP3csiI2qdpbxSOWLjwIBNilc7lQc1kwAIE+AhtQ1JQ4IwNAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f1b942bfbd02f2b8a6d2c0f6a6ef3652e19cec2e6067fb86f2896cfda9782749","last_reissued_at":"2026-07-05T04:33:56.669792Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:33:56.669792Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2206.10875","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":"2026-07-05T04:33:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F5+bwEEzicmENLH7+7b+aRFqxmyKhcUV6A5Ds5RZKMtYGDc+9mgynw41019oas2BL/mfeYoxTqXIBaL97CQ7AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T17:59:49.286850Z"},"content_sha256":"7156108d9e0aca0af307a7b081971f41a36195f9ffeaac0c2d294907de2e2ace","schema_version":"1.0","event_id":"sha256:7156108d9e0aca0af307a7b081971f41a36195f9ffeaac0c2d294907de2e2ace"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:6G4UFP55ALZLRJWSYD3KN3ZWKL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Guided Diffusion Model for Adversarial Purification from Random Noise","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CR"],"primary_cat":"cs.LG","authors_text":"Hang Ye, Quanlin Wu, Yuntian Gu","submitted_at":"2022-06-22T06:55:03Z","abstract_excerpt":"In this paper, we propose a novel guided diffusion purification approach to provide a strong defense against adversarial attacks. Our model achieves 89.62% robust accuracy under PGD-L_inf attack (eps = 8/255) on the CIFAR-10 dataset. We first explore the essential correlations between unguided diffusion models and randomized smoothing, enabling us to apply the models to certified robustness. The empirical results show that our models outperform randomized smoothing by 5% when the certified L2 radius r is larger than 0.5."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.10875","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/2206.10875/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":"2026-07-05T04:33:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nNMuX7+j7zLc8R2M8DbMkRSW7RTr82cIdx05mgxXc7hZU+Knv6bh57obP4Htm3I18ybCas5uVYSautTycHEPCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T17:59:49.287357Z"},"content_sha256":"62541619250065c6179c2951493312cc69e3960ca22f360be4e65a531be1f8bf","schema_version":"1.0","event_id":"sha256:62541619250065c6179c2951493312cc69e3960ca22f360be4e65a531be1f8bf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6G4UFP55ALZLRJWSYD3KN3ZWKL/bundle.json","state_url":"https://pith.science/pith/6G4UFP55ALZLRJWSYD3KN3ZWKL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6G4UFP55ALZLRJWSYD3KN3ZWKL/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":"2026-08-08T17:59:49Z","links":{"resolver":"https://pith.science/pith/6G4UFP55ALZLRJWSYD3KN3ZWKL","bundle":"https://pith.science/pith/6G4UFP55ALZLRJWSYD3KN3ZWKL/bundle.json","state":"https://pith.science/pith/6G4UFP55ALZLRJWSYD3KN3ZWKL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6G4UFP55ALZLRJWSYD3KN3ZWKL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:6G4UFP55ALZLRJWSYD3KN3ZWKL","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":"ee7676892d5ca8974354ceff7070b0a034aad31c68031555d21337a5ba4d347e","cross_cats_sorted":["cs.CR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-06-22T06:55:03Z","title_canon_sha256":"05a6d1dab79df7e9b288126d1716eaa4dc901b74fc6e8940e237a7a02c64b026"},"schema_version":"1.0","source":{"id":"2206.10875","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.10875","created_at":"2026-07-05T04:33:56Z"},{"alias_kind":"arxiv_version","alias_value":"2206.10875v1","created_at":"2026-07-05T04:33:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.10875","created_at":"2026-07-05T04:33:56Z"},{"alias_kind":"pith_short_12","alias_value":"6G4UFP55ALZL","created_at":"2026-07-05T04:33:56Z"},{"alias_kind":"pith_short_16","alias_value":"6G4UFP55ALZLRJWS","created_at":"2026-07-05T04:33:56Z"},{"alias_kind":"pith_short_8","alias_value":"6G4UFP55","created_at":"2026-07-05T04:33:56Z"}],"graph_snapshots":[{"event_id":"sha256:62541619250065c6179c2951493312cc69e3960ca22f360be4e65a531be1f8bf","target":"graph","created_at":"2026-07-05T04:33:56Z","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/2206.10875/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we propose a novel guided diffusion purification approach to provide a strong defense against adversarial attacks. Our model achieves 89.62% robust accuracy under PGD-L_inf attack (eps = 8/255) on the CIFAR-10 dataset. We first explore the essential correlations between unguided diffusion models and randomized smoothing, enabling us to apply the models to certified robustness. The empirical results show that our models outperform randomized smoothing by 5% when the certified L2 radius r is larger than 0.5.","authors_text":"Hang Ye, Quanlin Wu, Yuntian Gu","cross_cats":["cs.CR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-06-22T06:55:03Z","title":"Guided Diffusion Model for Adversarial Purification from Random Noise"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.10875","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":"sha256:7156108d9e0aca0af307a7b081971f41a36195f9ffeaac0c2d294907de2e2ace","target":"record","created_at":"2026-07-05T04:33:56Z","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":"ee7676892d5ca8974354ceff7070b0a034aad31c68031555d21337a5ba4d347e","cross_cats_sorted":["cs.CR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-06-22T06:55:03Z","title_canon_sha256":"05a6d1dab79df7e9b288126d1716eaa4dc901b74fc6e8940e237a7a02c64b026"},"schema_version":"1.0","source":{"id":"2206.10875","kind":"arxiv","version":1}},"canonical_sha256":"f1b942bfbd02f2b8a6d2c0f6a6ef3652e19cec2e6067fb86f2896cfda9782749","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f1b942bfbd02f2b8a6d2c0f6a6ef3652e19cec2e6067fb86f2896cfda9782749","first_computed_at":"2026-07-05T04:33:56.669792Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:33:56.669792Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YgUjLaVP12KVK/PAj91Q9BxDhMZcaCbXTQp0wIP3csiI2qdpbxSOWLjwIBNilc7lQc1kwAIE+AhtQ1JQ4IwNAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:33:56.670261Z","signed_message":"canonical_sha256_bytes"},"source_id":"2206.10875","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7156108d9e0aca0af307a7b081971f41a36195f9ffeaac0c2d294907de2e2ace","sha256:62541619250065c6179c2951493312cc69e3960ca22f360be4e65a531be1f8bf"],"state_sha256":"12ddad8a2bf6d55322312d36638acdca805437bf2cfe7d6d4a86c42b9beed20c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nGSoqefGWquV6P43cd3c3DssF7cpNUHmM+Sv9vZlm9aMtgtGgqvMonBCjqm07nnm2wctXiqktRYblxSjdNTXBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T17:59:49.292453Z","bundle_sha256":"610a25f6afe94a11e827a281d533ff0bb77016a8d509cec56245843fc739140c"}}