{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:O3XVZ6WBRZEQX2OKRV4EJO2USG","short_pith_number":"pith:O3XVZ6WB","canonical_record":{"source":{"id":"2607.24194","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-27T09:13:55Z","cross_cats_sorted":[],"title_canon_sha256":"d5d228a987c9596cbebe3fdf85933cf767220bb1861d2cfaa871483e86aff51f","abstract_canon_sha256":"e905983470abe8bc5fc5a1ad7ef9165094ebddf108851303683472fc0b0910e4"},"schema_version":"1.0"},"canonical_sha256":"76ef5cfac18e490be9ca8d7844bb54918c2179ae21f26e9b8955cf7f422fbb9e","source":{"kind":"arxiv","id":"2607.24194","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.24194","created_at":"2026-07-28T02:23:50Z"},{"alias_kind":"arxiv_version","alias_value":"2607.24194v1","created_at":"2026-07-28T02:23:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.24194","created_at":"2026-07-28T02:23:50Z"},{"alias_kind":"pith_short_12","alias_value":"O3XVZ6WBRZEQ","created_at":"2026-07-28T02:23:50Z"},{"alias_kind":"pith_short_16","alias_value":"O3XVZ6WBRZEQX2OK","created_at":"2026-07-28T02:23:50Z"},{"alias_kind":"pith_short_8","alias_value":"O3XVZ6WB","created_at":"2026-07-28T02:23:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:O3XVZ6WBRZEQX2OKRV4EJO2USG","target":"record","payload":{"canonical_record":{"source":{"id":"2607.24194","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-27T09:13:55Z","cross_cats_sorted":[],"title_canon_sha256":"d5d228a987c9596cbebe3fdf85933cf767220bb1861d2cfaa871483e86aff51f","abstract_canon_sha256":"e905983470abe8bc5fc5a1ad7ef9165094ebddf108851303683472fc0b0910e4"},"schema_version":"1.0"},"canonical_sha256":"76ef5cfac18e490be9ca8d7844bb54918c2179ae21f26e9b8955cf7f422fbb9e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-28T02:23:50.202069Z","signature_b64":"TefG2wnBQsMD8LPCU9AY0GQ8dp/Ah22YHicLtAyWO3GL+zpTLmnwhpEiKCF5fDB/iKhcoMdLW/ts4Xft9yJ4Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"76ef5cfac18e490be9ca8d7844bb54918c2179ae21f26e9b8955cf7f422fbb9e","last_reissued_at":"2026-07-28T02:23:50.201095Z","signature_status":"signed_v1","first_computed_at":"2026-07-28T02:23:50.201095Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.24194","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":"2026-07-28T02:23:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VSYILro+VyjJQaSCODwGYVlmKt+BdCwotRh1PUi9w0cZYwlSREW7m0H/blEj6xNT8SIWUulasQOVLRvpKO0XCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T09:33:34.963663Z"},"content_sha256":"7c61e49c9774c4ccd7d998c177ef00d09c106a1b6808bd28763af39f6fab2a86","schema_version":"1.0","event_id":"sha256:7c61e49c9774c4ccd7d998c177ef00d09c106a1b6808bd28763af39f6fab2a86"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:O3XVZ6WBRZEQX2OKRV4EJO2USG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Face Age Verification Vulnerabilities Under Simple Appearance Manipulations","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Ioannis Kompatsiaris, Ioannis Sarridis, Symeon Papadopoulos","submitted_at":"2026-07-27T09:13:55Z","abstract_excerpt":"Online platforms increasingly rely on automated age estimation systems to enforce minimum-age policies. Focusing on vision-based models designed for this task, concerns arise regarding their robustness to simple appearance changes that underage individuals may use to bypass such systems, such as drawing a mustache or applying lipstick. In this work, we present a systematic study of age verification robustness by simulating visual alterations that can be easily achieved by underage individuals. We evaluate seven models, including vision, vision-language, and multimodal large language models, ac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.24194","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/2607.24194/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":"2026-07-28T02:23:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LJix1IfK4A4PA91tyRIXxEBFEQnnq8is+pLYwmgIreALuOTnpv5RbrfeufBibwJAqbu9SnHXuToWLZe/zo4YCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T09:33:34.964000Z"},"content_sha256":"a6d76696188a8dca21fc1f6dd257340a926503e2af1c4bbac221366a7a0dacc2","schema_version":"1.0","event_id":"sha256:a6d76696188a8dca21fc1f6dd257340a926503e2af1c4bbac221366a7a0dacc2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O3XVZ6WBRZEQX2OKRV4EJO2USG/bundle.json","state_url":"https://pith.science/pith/O3XVZ6WBRZEQX2OKRV4EJO2USG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O3XVZ6WBRZEQX2OKRV4EJO2USG/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":"2026-08-14T09:33:34Z","links":{"resolver":"https://pith.science/pith/O3XVZ6WBRZEQX2OKRV4EJO2USG","bundle":"https://pith.science/pith/O3XVZ6WBRZEQX2OKRV4EJO2USG/bundle.json","state":"https://pith.science/pith/O3XVZ6WBRZEQX2OKRV4EJO2USG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O3XVZ6WBRZEQX2OKRV4EJO2USG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:O3XVZ6WBRZEQX2OKRV4EJO2USG","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":"e905983470abe8bc5fc5a1ad7ef9165094ebddf108851303683472fc0b0910e4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-27T09:13:55Z","title_canon_sha256":"d5d228a987c9596cbebe3fdf85933cf767220bb1861d2cfaa871483e86aff51f"},"schema_version":"1.0","source":{"id":"2607.24194","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.24194","created_at":"2026-07-28T02:23:50Z"},{"alias_kind":"arxiv_version","alias_value":"2607.24194v1","created_at":"2026-07-28T02:23:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.24194","created_at":"2026-07-28T02:23:50Z"},{"alias_kind":"pith_short_12","alias_value":"O3XVZ6WBRZEQ","created_at":"2026-07-28T02:23:50Z"},{"alias_kind":"pith_short_16","alias_value":"O3XVZ6WBRZEQX2OK","created_at":"2026-07-28T02:23:50Z"},{"alias_kind":"pith_short_8","alias_value":"O3XVZ6WB","created_at":"2026-07-28T02:23:50Z"}],"graph_snapshots":[{"event_id":"sha256:a6d76696188a8dca21fc1f6dd257340a926503e2af1c4bbac221366a7a0dacc2","target":"graph","created_at":"2026-07-28T02:23:50Z","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/2607.24194/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Online platforms increasingly rely on automated age estimation systems to enforce minimum-age policies. Focusing on vision-based models designed for this task, concerns arise regarding their robustness to simple appearance changes that underage individuals may use to bypass such systems, such as drawing a mustache or applying lipstick. In this work, we present a systematic study of age verification robustness by simulating visual alterations that can be easily achieved by underage individuals. We evaluate seven models, including vision, vision-language, and multimodal large language models, ac","authors_text":"Ioannis Kompatsiaris, Ioannis Sarridis, Symeon Papadopoulos","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-27T09:13:55Z","title":"Face Age Verification Vulnerabilities Under Simple Appearance Manipulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.24194","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":"sha256:7c61e49c9774c4ccd7d998c177ef00d09c106a1b6808bd28763af39f6fab2a86","target":"record","created_at":"2026-07-28T02:23:50Z","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":"e905983470abe8bc5fc5a1ad7ef9165094ebddf108851303683472fc0b0910e4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-27T09:13:55Z","title_canon_sha256":"d5d228a987c9596cbebe3fdf85933cf767220bb1861d2cfaa871483e86aff51f"},"schema_version":"1.0","source":{"id":"2607.24194","kind":"arxiv","version":1}},"canonical_sha256":"76ef5cfac18e490be9ca8d7844bb54918c2179ae21f26e9b8955cf7f422fbb9e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"76ef5cfac18e490be9ca8d7844bb54918c2179ae21f26e9b8955cf7f422fbb9e","first_computed_at":"2026-07-28T02:23:50.201095Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-28T02:23:50.201095Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TefG2wnBQsMD8LPCU9AY0GQ8dp/Ah22YHicLtAyWO3GL+zpTLmnwhpEiKCF5fDB/iKhcoMdLW/ts4Xft9yJ4Aw==","signature_status":"signed_v1","signed_at":"2026-07-28T02:23:50.202069Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.24194","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7c61e49c9774c4ccd7d998c177ef00d09c106a1b6808bd28763af39f6fab2a86","sha256:a6d76696188a8dca21fc1f6dd257340a926503e2af1c4bbac221366a7a0dacc2"],"state_sha256":"2479719004ab13f5a1b8b12ecb123e827f7fca6ff2e6b50127ff9da3d5f4cbb0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xqfh1Gqh0eGlijPQklydQjTFVAxaDIhVHuzjpHjYPZNBTXKutWPx81UZ7QteLKccExg4nXeO7s0kDYcGSrt7AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T09:33:34.967665Z","bundle_sha256":"51644d5861e059dc1e32c5d4a1492f9d2d96d886ae4d20459d8322fb5e9586ee"}}