{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:TYVZQ3I2UIYVEABYIAYW7K4WZO","short_pith_number":"pith:TYVZQ3I2","canonical_record":{"source":{"id":"2505.22983","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2025-05-29T01:45:14Z","cross_cats_sorted":[],"title_canon_sha256":"664071f89e80ec257f3479398a53bbc54acb6c827ba317a44fd9a5ada1ddc1e5","abstract_canon_sha256":"e3c4a8bbb27f157551760e680ea8b948e75c6f68980d28b10b739449221d77bf"},"schema_version":"1.0"},"canonical_sha256":"9e2b986d1aa23152003840316fab96cb8085c652297b34603f0764fed0b82121","source":{"kind":"arxiv","id":"2505.22983","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.22983","created_at":"2026-07-05T11:11:53Z"},{"alias_kind":"arxiv_version","alias_value":"2505.22983v1","created_at":"2026-07-05T11:11:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.22983","created_at":"2026-07-05T11:11:53Z"},{"alias_kind":"pith_short_12","alias_value":"TYVZQ3I2UIYV","created_at":"2026-07-05T11:11:53Z"},{"alias_kind":"pith_short_16","alias_value":"TYVZQ3I2UIYVEABY","created_at":"2026-07-05T11:11:53Z"},{"alias_kind":"pith_short_8","alias_value":"TYVZQ3I2","created_at":"2026-07-05T11:11:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:TYVZQ3I2UIYVEABYIAYW7K4WZO","target":"record","payload":{"canonical_record":{"source":{"id":"2505.22983","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2025-05-29T01:45:14Z","cross_cats_sorted":[],"title_canon_sha256":"664071f89e80ec257f3479398a53bbc54acb6c827ba317a44fd9a5ada1ddc1e5","abstract_canon_sha256":"e3c4a8bbb27f157551760e680ea8b948e75c6f68980d28b10b739449221d77bf"},"schema_version":"1.0"},"canonical_sha256":"9e2b986d1aa23152003840316fab96cb8085c652297b34603f0764fed0b82121","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:11:53.090475Z","signature_b64":"/l5Hf0RzOgB10FFP+UmfEJGk1Osppb6OuvEo7w9vkdQyGSJR5/r2yXdvO6Y+1wRo8FZm5yhNlJBUEB2PwtB9BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9e2b986d1aa23152003840316fab96cb8085c652297b34603f0764fed0b82121","last_reissued_at":"2026-07-05T11:11:53.090000Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:11:53.090000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.22983","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":"2026-07-05T11:11:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZeHV6ESya+J578DyXKrQGSqdlOLfsEeO9m2EzTG0lfCASr03syPKoCN2AisfT53Q/ZK6yCpJ7u2AJGYkRZVpCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T10:42:29.814846Z"},"content_sha256":"91793642cfd47531dc15bc5b403438e4e7831ba415fa4ac130d7c0b65b34303f","schema_version":"1.0","event_id":"sha256:91793642cfd47531dc15bc5b403438e4e7831ba415fa4ac130d7c0b65b34303f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:TYVZQ3I2UIYVEABYIAYW7K4WZO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Vision-Based Assistive Technologies for People with Cerebral Visual Impairment: A Review and Focus Study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.HC","authors_text":"Arthur Lowery, Bhanuka Gamage, Kim Marriott, Leona Holloway, Nicholas Price, Nicola McDowell, Thanh-Toan Do","submitted_at":"2025-05-29T01:45:14Z","abstract_excerpt":"Over the past decade, considerable research has investigated Vision-Based Assistive Technologies (VBAT) to support people with vision impairments to understand and interact with their immediate environment using machine learning, computer vision, image enhancement, and/or augmented/virtual reality. However, this has almost totally overlooked a growing demographic: people with Cerebral Visual Impairment (CVI). Unlike ocular vision impairments, CVI arises from damage to the brain's visual processing centres. Through a scoping review, this paper reveals a significant research gap in addressing th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.22983","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/2505.22983/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":"2026-07-05T11:11:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jK9aMPtGetWz79DUOAZtypHN9kO++8HEo2MVXMULn3TETUTVQUoySoy5h+tnUU09wJfqhpXt2SIAyCz8McW1Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T10:42:29.815337Z"},"content_sha256":"6852a28408ecb6416c12602b8386e5713ef6e083a9c9de16adc8bf370c91fb5a","schema_version":"1.0","event_id":"sha256:6852a28408ecb6416c12602b8386e5713ef6e083a9c9de16adc8bf370c91fb5a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TYVZQ3I2UIYVEABYIAYW7K4WZO/bundle.json","state_url":"https://pith.science/pith/TYVZQ3I2UIYVEABYIAYW7K4WZO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TYVZQ3I2UIYVEABYIAYW7K4WZO/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":"2026-08-08T10:42:29Z","links":{"resolver":"https://pith.science/pith/TYVZQ3I2UIYVEABYIAYW7K4WZO","bundle":"https://pith.science/pith/TYVZQ3I2UIYVEABYIAYW7K4WZO/bundle.json","state":"https://pith.science/pith/TYVZQ3I2UIYVEABYIAYW7K4WZO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TYVZQ3I2UIYVEABYIAYW7K4WZO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:TYVZQ3I2UIYVEABYIAYW7K4WZO","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":"e3c4a8bbb27f157551760e680ea8b948e75c6f68980d28b10b739449221d77bf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2025-05-29T01:45:14Z","title_canon_sha256":"664071f89e80ec257f3479398a53bbc54acb6c827ba317a44fd9a5ada1ddc1e5"},"schema_version":"1.0","source":{"id":"2505.22983","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.22983","created_at":"2026-07-05T11:11:53Z"},{"alias_kind":"arxiv_version","alias_value":"2505.22983v1","created_at":"2026-07-05T11:11:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.22983","created_at":"2026-07-05T11:11:53Z"},{"alias_kind":"pith_short_12","alias_value":"TYVZQ3I2UIYV","created_at":"2026-07-05T11:11:53Z"},{"alias_kind":"pith_short_16","alias_value":"TYVZQ3I2UIYVEABY","created_at":"2026-07-05T11:11:53Z"},{"alias_kind":"pith_short_8","alias_value":"TYVZQ3I2","created_at":"2026-07-05T11:11:53Z"}],"graph_snapshots":[{"event_id":"sha256:6852a28408ecb6416c12602b8386e5713ef6e083a9c9de16adc8bf370c91fb5a","target":"graph","created_at":"2026-07-05T11:11:53Z","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/2505.22983/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Over the past decade, considerable research has investigated Vision-Based Assistive Technologies (VBAT) to support people with vision impairments to understand and interact with their immediate environment using machine learning, computer vision, image enhancement, and/or augmented/virtual reality. However, this has almost totally overlooked a growing demographic: people with Cerebral Visual Impairment (CVI). Unlike ocular vision impairments, CVI arises from damage to the brain's visual processing centres. Through a scoping review, this paper reveals a significant research gap in addressing th","authors_text":"Arthur Lowery, Bhanuka Gamage, Kim Marriott, Leona Holloway, Nicholas Price, Nicola McDowell, Thanh-Toan Do","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2025-05-29T01:45:14Z","title":"Vision-Based Assistive Technologies for People with Cerebral Visual Impairment: A Review and Focus Study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.22983","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":"sha256:91793642cfd47531dc15bc5b403438e4e7831ba415fa4ac130d7c0b65b34303f","target":"record","created_at":"2026-07-05T11:11:53Z","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":"e3c4a8bbb27f157551760e680ea8b948e75c6f68980d28b10b739449221d77bf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2025-05-29T01:45:14Z","title_canon_sha256":"664071f89e80ec257f3479398a53bbc54acb6c827ba317a44fd9a5ada1ddc1e5"},"schema_version":"1.0","source":{"id":"2505.22983","kind":"arxiv","version":1}},"canonical_sha256":"9e2b986d1aa23152003840316fab96cb8085c652297b34603f0764fed0b82121","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9e2b986d1aa23152003840316fab96cb8085c652297b34603f0764fed0b82121","first_computed_at":"2026-07-05T11:11:53.090000Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:11:53.090000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/l5Hf0RzOgB10FFP+UmfEJGk1Osppb6OuvEo7w9vkdQyGSJR5/r2yXdvO6Y+1wRo8FZm5yhNlJBUEB2PwtB9BA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:11:53.090475Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.22983","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91793642cfd47531dc15bc5b403438e4e7831ba415fa4ac130d7c0b65b34303f","sha256:6852a28408ecb6416c12602b8386e5713ef6e083a9c9de16adc8bf370c91fb5a"],"state_sha256":"954e29c39dc62ca8ce814615a191fdea983d8ca2da431ac9f6d4d0f36d81d601"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jQVXOkX1SkIH4t1Hdic07bDhWgjUSq9c32cSL5uYAOjKTb/4nUzDJ8h6Un384mH4yPbGBRaEnaizczzVNRB+Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T10:42:29.820046Z","bundle_sha256":"a38e2dd83bd3c0a61d0db5339ba79eb25d923fa1ace58f62337ef128e00cd8b2"}}