{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:4FZHTK5HQR3FPBDWS2QMRM2XYZ","short_pith_number":"pith:4FZHTK5H","canonical_record":{"source":{"id":"2404.06957","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-04-10T12:17:25Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"4af869238aed7fc130154205d542c4809a7acd34820704b1b63cd6994661aab6","abstract_canon_sha256":"74c5dfedecfa3da539d336cdde4d3fe55c43b73187fa8344145ea538b9d41f56"},"schema_version":"1.0"},"canonical_sha256":"e17279aba7847657847696a0c8b357c6721f791b43f1047dfd8389e0c20e70e2","source":{"kind":"arxiv","id":"2404.06957","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.06957","created_at":"2026-07-05T08:06:32Z"},{"alias_kind":"arxiv_version","alias_value":"2404.06957v1","created_at":"2026-07-05T08:06:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.06957","created_at":"2026-07-05T08:06:32Z"},{"alias_kind":"pith_short_12","alias_value":"4FZHTK5HQR3F","created_at":"2026-07-05T08:06:32Z"},{"alias_kind":"pith_short_16","alias_value":"4FZHTK5HQR3FPBDW","created_at":"2026-07-05T08:06:32Z"},{"alias_kind":"pith_short_8","alias_value":"4FZHTK5H","created_at":"2026-07-05T08:06:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:4FZHTK5HQR3FPBDWS2QMRM2XYZ","target":"record","payload":{"canonical_record":{"source":{"id":"2404.06957","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-04-10T12:17:25Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"4af869238aed7fc130154205d542c4809a7acd34820704b1b63cd6994661aab6","abstract_canon_sha256":"74c5dfedecfa3da539d336cdde4d3fe55c43b73187fa8344145ea538b9d41f56"},"schema_version":"1.0"},"canonical_sha256":"e17279aba7847657847696a0c8b357c6721f791b43f1047dfd8389e0c20e70e2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:06:32.849646Z","signature_b64":"Y7fQE1unQX7Oj+IhTXAO/KrQxVc4Kd1oqEvQdaxoXHvPaOHY+MkJf5hVeZQh7KiCgsMjecySOa1ussTfDHjhAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e17279aba7847657847696a0c8b357c6721f791b43f1047dfd8389e0c20e70e2","last_reissued_at":"2026-07-05T08:06:32.849137Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:06:32.849137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.06957","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":"2026-07-05T08:06:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"norQ3mAMcdCPuhAAmVuX297rLpJC6kywMCxBa+ey7uLHa6wC3cOJizD8ZzKOKHSCtaFpNg0v1uoZn9KhHQ+UCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T11:59:21.668079Z"},"content_sha256":"071ac5e7f7dc9339e928be7f7b7092baf075aa4811f55ea4b6aa2693d537efd8","schema_version":"1.0","event_id":"sha256:071ac5e7f7dc9339e928be7f7b7092baf075aa4811f55ea4b6aa2693d537efd8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:4FZHTK5HQR3FPBDWS2QMRM2XYZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Adversarial purification for no-reference image-quality metrics: applicability study and new methods","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Aleksandr Gushchin, Anastasia Antsiferova, Anna Chistyakova, Dmitriy Vatolin, Vladislav Minashkin","submitted_at":"2024-04-10T12:17:25Z","abstract_excerpt":"Recently, the area of adversarial attacks on image quality metrics has begun to be explored, whereas the area of defences remains under-researched. In this study, we aim to cover that case and check the transferability of adversarial purification defences from image classifiers to IQA methods. In this paper, we apply several widespread attacks on IQA models and examine the success of the defences against them. The purification methodologies covered different preprocessing techniques, including geometrical transformations, compression, denoising, and modern neural network-based methods. Also, w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.06957","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/2404.06957/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":"2026-07-05T08:06:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ARHY/xH+2bzyg9Bg+TC/NXRg0KPZ801ug0YncnwpPYhvzvknH67KJHBVHNYzsP1TUJgEhGgx5DMFFYyztCGVCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T11:59:21.669001Z"},"content_sha256":"f612d89bab6e701605a87b8ebc182bb92612675b950d1846753ad0302b63c9f8","schema_version":"1.0","event_id":"sha256:f612d89bab6e701605a87b8ebc182bb92612675b950d1846753ad0302b63c9f8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4FZHTK5HQR3FPBDWS2QMRM2XYZ/bundle.json","state_url":"https://pith.science/pith/4FZHTK5HQR3FPBDWS2QMRM2XYZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4FZHTK5HQR3FPBDWS2QMRM2XYZ/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":"2026-08-09T11:59:21Z","links":{"resolver":"https://pith.science/pith/4FZHTK5HQR3FPBDWS2QMRM2XYZ","bundle":"https://pith.science/pith/4FZHTK5HQR3FPBDWS2QMRM2XYZ/bundle.json","state":"https://pith.science/pith/4FZHTK5HQR3FPBDWS2QMRM2XYZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4FZHTK5HQR3FPBDWS2QMRM2XYZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:4FZHTK5HQR3FPBDWS2QMRM2XYZ","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":"74c5dfedecfa3da539d336cdde4d3fe55c43b73187fa8344145ea538b9d41f56","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-04-10T12:17:25Z","title_canon_sha256":"4af869238aed7fc130154205d542c4809a7acd34820704b1b63cd6994661aab6"},"schema_version":"1.0","source":{"id":"2404.06957","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.06957","created_at":"2026-07-05T08:06:32Z"},{"alias_kind":"arxiv_version","alias_value":"2404.06957v1","created_at":"2026-07-05T08:06:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.06957","created_at":"2026-07-05T08:06:32Z"},{"alias_kind":"pith_short_12","alias_value":"4FZHTK5HQR3F","created_at":"2026-07-05T08:06:32Z"},{"alias_kind":"pith_short_16","alias_value":"4FZHTK5HQR3FPBDW","created_at":"2026-07-05T08:06:32Z"},{"alias_kind":"pith_short_8","alias_value":"4FZHTK5H","created_at":"2026-07-05T08:06:32Z"}],"graph_snapshots":[{"event_id":"sha256:f612d89bab6e701605a87b8ebc182bb92612675b950d1846753ad0302b63c9f8","target":"graph","created_at":"2026-07-05T08:06:32Z","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/2404.06957/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recently, the area of adversarial attacks on image quality metrics has begun to be explored, whereas the area of defences remains under-researched. In this study, we aim to cover that case and check the transferability of adversarial purification defences from image classifiers to IQA methods. In this paper, we apply several widespread attacks on IQA models and examine the success of the defences against them. The purification methodologies covered different preprocessing techniques, including geometrical transformations, compression, denoising, and modern neural network-based methods. Also, w","authors_text":"Aleksandr Gushchin, Anastasia Antsiferova, Anna Chistyakova, Dmitriy Vatolin, Vladislav Minashkin","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-04-10T12:17:25Z","title":"Adversarial purification for no-reference image-quality metrics: applicability study and new methods"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.06957","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":"sha256:071ac5e7f7dc9339e928be7f7b7092baf075aa4811f55ea4b6aa2693d537efd8","target":"record","created_at":"2026-07-05T08:06:32Z","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":"74c5dfedecfa3da539d336cdde4d3fe55c43b73187fa8344145ea538b9d41f56","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-04-10T12:17:25Z","title_canon_sha256":"4af869238aed7fc130154205d542c4809a7acd34820704b1b63cd6994661aab6"},"schema_version":"1.0","source":{"id":"2404.06957","kind":"arxiv","version":1}},"canonical_sha256":"e17279aba7847657847696a0c8b357c6721f791b43f1047dfd8389e0c20e70e2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e17279aba7847657847696a0c8b357c6721f791b43f1047dfd8389e0c20e70e2","first_computed_at":"2026-07-05T08:06:32.849137Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:06:32.849137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y7fQE1unQX7Oj+IhTXAO/KrQxVc4Kd1oqEvQdaxoXHvPaOHY+MkJf5hVeZQh7KiCgsMjecySOa1ussTfDHjhAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:06:32.849646Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.06957","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:071ac5e7f7dc9339e928be7f7b7092baf075aa4811f55ea4b6aa2693d537efd8","sha256:f612d89bab6e701605a87b8ebc182bb92612675b950d1846753ad0302b63c9f8"],"state_sha256":"3dc551d03572150f934acc7ef7d8b1070bd9cdecc7a599c8032d98c10a24fc48"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yyxGw7mJzbHVYfaYMpaYK26QTq54Vnylq4PVdKhOpEXB2J6Crz6PNzKUoraGuyZv4VwmA9jgcWweFSJvgMx0Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T11:59:21.674019Z","bundle_sha256":"19bd0df05888b35a7400f5712733ca44f086ce7a350c6133cf202370776fdccd"}}