{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:M6LT5TWU63RCKB3YF66ORSPM4L","short_pith_number":"pith:M6LT5TWU","canonical_record":{"source":{"id":"2508.01569","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-08-03T03:37:31Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"b5d218da86eb4af16a6cfdc5f3b5d1d7dfe3ae332e8c386ba2ea48366e91abbe","abstract_canon_sha256":"bb6c7602b8a40aa21d6520540ad178d3b54d5c4817cf328a1d00c571a423f69a"},"schema_version":"1.0"},"canonical_sha256":"67973eced4f6e22507782fbce8c9ece2fe1bead8ddad66d8428219fd276c4e15","source":{"kind":"arxiv","id":"2508.01569","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.01569","created_at":"2026-07-05T11:47:41Z"},{"alias_kind":"arxiv_version","alias_value":"2508.01569v1","created_at":"2026-07-05T11:47:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.01569","created_at":"2026-07-05T11:47:41Z"},{"alias_kind":"pith_short_12","alias_value":"M6LT5TWU63RC","created_at":"2026-07-05T11:47:41Z"},{"alias_kind":"pith_short_16","alias_value":"M6LT5TWU63RCKB3Y","created_at":"2026-07-05T11:47:41Z"},{"alias_kind":"pith_short_8","alias_value":"M6LT5TWU","created_at":"2026-07-05T11:47:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:M6LT5TWU63RCKB3YF66ORSPM4L","target":"record","payload":{"canonical_record":{"source":{"id":"2508.01569","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-08-03T03:37:31Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"b5d218da86eb4af16a6cfdc5f3b5d1d7dfe3ae332e8c386ba2ea48366e91abbe","abstract_canon_sha256":"bb6c7602b8a40aa21d6520540ad178d3b54d5c4817cf328a1d00c571a423f69a"},"schema_version":"1.0"},"canonical_sha256":"67973eced4f6e22507782fbce8c9ece2fe1bead8ddad66d8428219fd276c4e15","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:47:41.362064Z","signature_b64":"22nZaCgnxD+dtQLOLwzeeXt85IXWtViCETDO0NFnzrkmtW+m0AiZW9iknkGpzxDx01jkxmogs+/v45jOXAnMDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"67973eced4f6e22507782fbce8c9ece2fe1bead8ddad66d8428219fd276c4e15","last_reissued_at":"2026-07-05T11:47:41.361495Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:47:41.361495Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.01569","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":"2026-07-05T11:47:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i5BGl7SuO1+KeblP8sFPshgWSub8lW+iRHmyW9TN+UBedCM85JscYQkKTLNZQRWM7544ZbiOW5MQ8MzfydTUDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T01:45:34.080929Z"},"content_sha256":"ab88e0689df7b8ffb07eaff89fb47b39d60297aed53b951b2d3581efdfed7f45","schema_version":"1.0","event_id":"sha256:ab88e0689df7b8ffb07eaff89fb47b39d60297aed53b951b2d3581efdfed7f45"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:M6LT5TWU63RCKB3YF66ORSPM4L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"LetheViT: Selective Machine Unlearning for Vision Transformers via Attention-Guided Contrastive Learning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"cs.CV","authors_text":"Chuang Hu, Jingling Yuan, Tian Zhang, Yujia Tong, Yuze Wang","submitted_at":"2025-08-03T03:37:31Z","abstract_excerpt":"Vision Transformers (ViTs) have revolutionized computer vision tasks with their exceptional performance. However, the introduction of privacy regulations such as GDPR and CCPA has brought new challenges to them. These laws grant users the right to withdraw their data, necessitating not only the deletion of data but also the complete removal of its influence from trained models. Machine unlearning emerges as a critical solution, with exact unlearning being computationally prohibitive and approximate methods offering a more practical approach. This work addresses the particularly challenging sce"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.01569","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/2508.01569/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":"2026-07-05T11:47:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y7IuXaFyrWU5uiIQ7ZN1XOi28YwQeR3ZZ59jVbRQC+MJutSJeMTZv4pe2Pk4XDwCNL5aA5MZ6/fubdH6eE+IDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T01:45:34.081481Z"},"content_sha256":"9e6a0886876f3b3cabc63c1ea5f2fee6229999a90f05b83faad00fe6dbda3edc","schema_version":"1.0","event_id":"sha256:9e6a0886876f3b3cabc63c1ea5f2fee6229999a90f05b83faad00fe6dbda3edc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M6LT5TWU63RCKB3YF66ORSPM4L/bundle.json","state_url":"https://pith.science/pith/M6LT5TWU63RCKB3YF66ORSPM4L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M6LT5TWU63RCKB3YF66ORSPM4L/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":"2026-08-04T01:45:34Z","links":{"resolver":"https://pith.science/pith/M6LT5TWU63RCKB3YF66ORSPM4L","bundle":"https://pith.science/pith/M6LT5TWU63RCKB3YF66ORSPM4L/bundle.json","state":"https://pith.science/pith/M6LT5TWU63RCKB3YF66ORSPM4L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M6LT5TWU63RCKB3YF66ORSPM4L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:M6LT5TWU63RCKB3YF66ORSPM4L","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":"bb6c7602b8a40aa21d6520540ad178d3b54d5c4817cf328a1d00c571a423f69a","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-08-03T03:37:31Z","title_canon_sha256":"b5d218da86eb4af16a6cfdc5f3b5d1d7dfe3ae332e8c386ba2ea48366e91abbe"},"schema_version":"1.0","source":{"id":"2508.01569","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.01569","created_at":"2026-07-05T11:47:41Z"},{"alias_kind":"arxiv_version","alias_value":"2508.01569v1","created_at":"2026-07-05T11:47:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.01569","created_at":"2026-07-05T11:47:41Z"},{"alias_kind":"pith_short_12","alias_value":"M6LT5TWU63RC","created_at":"2026-07-05T11:47:41Z"},{"alias_kind":"pith_short_16","alias_value":"M6LT5TWU63RCKB3Y","created_at":"2026-07-05T11:47:41Z"},{"alias_kind":"pith_short_8","alias_value":"M6LT5TWU","created_at":"2026-07-05T11:47:41Z"}],"graph_snapshots":[{"event_id":"sha256:9e6a0886876f3b3cabc63c1ea5f2fee6229999a90f05b83faad00fe6dbda3edc","target":"graph","created_at":"2026-07-05T11:47:41Z","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/2508.01569/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Vision Transformers (ViTs) have revolutionized computer vision tasks with their exceptional performance. However, the introduction of privacy regulations such as GDPR and CCPA has brought new challenges to them. These laws grant users the right to withdraw their data, necessitating not only the deletion of data but also the complete removal of its influence from trained models. Machine unlearning emerges as a critical solution, with exact unlearning being computationally prohibitive and approximate methods offering a more practical approach. This work addresses the particularly challenging sce","authors_text":"Chuang Hu, Jingling Yuan, Tian Zhang, Yujia Tong, Yuze Wang","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-08-03T03:37:31Z","title":"LetheViT: Selective Machine Unlearning for Vision Transformers via Attention-Guided Contrastive Learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.01569","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:ab88e0689df7b8ffb07eaff89fb47b39d60297aed53b951b2d3581efdfed7f45","target":"record","created_at":"2026-07-05T11:47:41Z","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":"bb6c7602b8a40aa21d6520540ad178d3b54d5c4817cf328a1d00c571a423f69a","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-08-03T03:37:31Z","title_canon_sha256":"b5d218da86eb4af16a6cfdc5f3b5d1d7dfe3ae332e8c386ba2ea48366e91abbe"},"schema_version":"1.0","source":{"id":"2508.01569","kind":"arxiv","version":1}},"canonical_sha256":"67973eced4f6e22507782fbce8c9ece2fe1bead8ddad66d8428219fd276c4e15","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"67973eced4f6e22507782fbce8c9ece2fe1bead8ddad66d8428219fd276c4e15","first_computed_at":"2026-07-05T11:47:41.361495Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:47:41.361495Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"22nZaCgnxD+dtQLOLwzeeXt85IXWtViCETDO0NFnzrkmtW+m0AiZW9iknkGpzxDx01jkxmogs+/v45jOXAnMDw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:47:41.362064Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.01569","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab88e0689df7b8ffb07eaff89fb47b39d60297aed53b951b2d3581efdfed7f45","sha256:9e6a0886876f3b3cabc63c1ea5f2fee6229999a90f05b83faad00fe6dbda3edc"],"state_sha256":"11c11fae46fc1675f50341160cc346fcb0c794495d4ed8eea818ff4136aab07d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0Xx5D4bevEI0n4nym4BXbrgo0vMtIEKpEirx0aQSDOcoOArP2DUaTxdITH4M418wxheZiEu0yEJBwkypH1mXDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T01:45:34.087317Z","bundle_sha256":"88643800a742257e2f844ee9447f1d988ab0618224ec2180cda6395e05037d32"}}