{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:6PIRSART5UUCK4YAQYSQAS5VNM","short_pith_number":"pith:6PIRSART","canonical_record":{"source":{"id":"2107.05712","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2021-07-12T20:05:08Z","cross_cats_sorted":[],"title_canon_sha256":"e1fcf58f2e58f31150d0a6a75c817908be434d0057f750703883d85dd03a5423","abstract_canon_sha256":"de6e13c1c8479a0f11030fa2850fd26d397b60890e50090920919f87ec0b29cb"},"schema_version":"1.0"},"canonical_sha256":"f3d1190233ed282573008625004bb56b1e71e92a82a8336981a5e2f4d4173705","source":{"kind":"arxiv","id":"2107.05712","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.05712","created_at":"2026-07-05T02:57:27Z"},{"alias_kind":"arxiv_version","alias_value":"2107.05712v1","created_at":"2026-07-05T02:57:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.05712","created_at":"2026-07-05T02:57:27Z"},{"alias_kind":"pith_short_12","alias_value":"6PIRSART5UUC","created_at":"2026-07-05T02:57:27Z"},{"alias_kind":"pith_short_16","alias_value":"6PIRSART5UUCK4YA","created_at":"2026-07-05T02:57:27Z"},{"alias_kind":"pith_short_8","alias_value":"6PIRSART","created_at":"2026-07-05T02:57:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:6PIRSART5UUCK4YAQYSQAS5VNM","target":"record","payload":{"canonical_record":{"source":{"id":"2107.05712","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2021-07-12T20:05:08Z","cross_cats_sorted":[],"title_canon_sha256":"e1fcf58f2e58f31150d0a6a75c817908be434d0057f750703883d85dd03a5423","abstract_canon_sha256":"de6e13c1c8479a0f11030fa2850fd26d397b60890e50090920919f87ec0b29cb"},"schema_version":"1.0"},"canonical_sha256":"f3d1190233ed282573008625004bb56b1e71e92a82a8336981a5e2f4d4173705","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:57:27.076065Z","signature_b64":"WUG3TaKQQVHwF75w2RNKYxs93Aptl8UZo//qnDMoXjjNM0wEVPw0jg9zmJG18sz5Lkb/vL6+pMeF2NFWAAVtDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3d1190233ed282573008625004bb56b1e71e92a82a8336981a5e2f4d4173705","last_reissued_at":"2026-07-05T02:57:27.075497Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:57:27.075497Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.05712","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":"2026-07-05T02:57:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CE7wdMMIzvJrYvwj0wgwU1m0tZRFC8JCSAgWqFOil7rCtq5nWcHK0ufJBH83bSz/vjw8HzbKyuLrIDfXF3w8Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:27:00.834475Z"},"content_sha256":"8f5362d4119fdbae57133a9d7df6eb8e59c784bb1952f3dd82cc12f93a2e440b","schema_version":"1.0","event_id":"sha256:8f5362d4119fdbae57133a9d7df6eb8e59c784bb1952f3dd82cc12f93a2e440b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:6PIRSART5UUCK4YAQYSQAS5VNM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Closer Look at the Adversarial Robustness of Information Bottleneck Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.LG","authors_text":"Alexander A. Alemi, David Stutz, Iryna Korshunova, Olivia Wiles, Sven Gowal","submitted_at":"2021-07-12T20:05:08Z","abstract_excerpt":"We study the adversarial robustness of information bottleneck models for classification. Previous works showed that the robustness of models trained with information bottlenecks can improve upon adversarial training. Our evaluation under a diverse range of white-box $l_{\\infty}$ attacks suggests that information bottlenecks alone are not a strong defense strategy, and that previous results were likely influenced by gradient obfuscation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.05712","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/2107.05712/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":"2026-07-05T02:57:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ApFWYd5BWdCrtitnmr7Um9KB2d00nXPWqltArn2EfvRrnIXKrP7HwoOrbKWj8bRcLjTNpECWUY0QQ7PDu8LnAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:27:00.837991Z"},"content_sha256":"dbf01c91407668aaff9d30e802c3b659ed113cff2c817ef4a86719677aefdfc2","schema_version":"1.0","event_id":"sha256:dbf01c91407668aaff9d30e802c3b659ed113cff2c817ef4a86719677aefdfc2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6PIRSART5UUCK4YAQYSQAS5VNM/bundle.json","state_url":"https://pith.science/pith/6PIRSART5UUCK4YAQYSQAS5VNM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6PIRSART5UUCK4YAQYSQAS5VNM/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":"2026-08-06T16:27:00Z","links":{"resolver":"https://pith.science/pith/6PIRSART5UUCK4YAQYSQAS5VNM","bundle":"https://pith.science/pith/6PIRSART5UUCK4YAQYSQAS5VNM/bundle.json","state":"https://pith.science/pith/6PIRSART5UUCK4YAQYSQAS5VNM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6PIRSART5UUCK4YAQYSQAS5VNM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:6PIRSART5UUCK4YAQYSQAS5VNM","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":"de6e13c1c8479a0f11030fa2850fd26d397b60890e50090920919f87ec0b29cb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2021-07-12T20:05:08Z","title_canon_sha256":"e1fcf58f2e58f31150d0a6a75c817908be434d0057f750703883d85dd03a5423"},"schema_version":"1.0","source":{"id":"2107.05712","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.05712","created_at":"2026-07-05T02:57:27Z"},{"alias_kind":"arxiv_version","alias_value":"2107.05712v1","created_at":"2026-07-05T02:57:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.05712","created_at":"2026-07-05T02:57:27Z"},{"alias_kind":"pith_short_12","alias_value":"6PIRSART5UUC","created_at":"2026-07-05T02:57:27Z"},{"alias_kind":"pith_short_16","alias_value":"6PIRSART5UUCK4YA","created_at":"2026-07-05T02:57:27Z"},{"alias_kind":"pith_short_8","alias_value":"6PIRSART","created_at":"2026-07-05T02:57:27Z"}],"graph_snapshots":[{"event_id":"sha256:dbf01c91407668aaff9d30e802c3b659ed113cff2c817ef4a86719677aefdfc2","target":"graph","created_at":"2026-07-05T02:57:27Z","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/2107.05712/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the adversarial robustness of information bottleneck models for classification. Previous works showed that the robustness of models trained with information bottlenecks can improve upon adversarial training. Our evaluation under a diverse range of white-box $l_{\\infty}$ attacks suggests that information bottlenecks alone are not a strong defense strategy, and that previous results were likely influenced by gradient obfuscation.","authors_text":"Alexander A. Alemi, David Stutz, Iryna Korshunova, Olivia Wiles, Sven Gowal","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2021-07-12T20:05:08Z","title":"A Closer Look at the Adversarial Robustness of Information Bottleneck Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.05712","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":"sha256:8f5362d4119fdbae57133a9d7df6eb8e59c784bb1952f3dd82cc12f93a2e440b","target":"record","created_at":"2026-07-05T02:57:27Z","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":"de6e13c1c8479a0f11030fa2850fd26d397b60890e50090920919f87ec0b29cb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2021-07-12T20:05:08Z","title_canon_sha256":"e1fcf58f2e58f31150d0a6a75c817908be434d0057f750703883d85dd03a5423"},"schema_version":"1.0","source":{"id":"2107.05712","kind":"arxiv","version":1}},"canonical_sha256":"f3d1190233ed282573008625004bb56b1e71e92a82a8336981a5e2f4d4173705","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f3d1190233ed282573008625004bb56b1e71e92a82a8336981a5e2f4d4173705","first_computed_at":"2026-07-05T02:57:27.075497Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:57:27.075497Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WUG3TaKQQVHwF75w2RNKYxs93Aptl8UZo//qnDMoXjjNM0wEVPw0jg9zmJG18sz5Lkb/vL6+pMeF2NFWAAVtDg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:57:27.076065Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.05712","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8f5362d4119fdbae57133a9d7df6eb8e59c784bb1952f3dd82cc12f93a2e440b","sha256:dbf01c91407668aaff9d30e802c3b659ed113cff2c817ef4a86719677aefdfc2"],"state_sha256":"796c5fd79d94fa3ee9dbe62422b0c163124a10b0e311c8a3dd93e42403166911"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kmwZZpzM+R1W9SpPV25miPNDci/FGMf2rwfb8jKMCbteZwXtdUoBSLedfrTzlTsU4CDmp4AE4OrRSpSkQSGQBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T16:27:00.851321Z","bundle_sha256":"4c5efd7b24c23a3d66629d925e7de1b8bc9a2f279265df839f7ecba6d71cf204"}}