{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:ZD3NJC7VB7KP6UGX6XJVQCP6UT","short_pith_number":"pith:ZD3NJC7V","canonical_record":{"source":{"id":"2505.17055","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-05-16T19:14:25Z","cross_cats_sorted":["cs.CY","cs.HC"],"title_canon_sha256":"a08eb9b597cde1d629073c8e85f3a58f588f385a5ca7cbb22de2ef0eaaa5e9a8","abstract_canon_sha256":"68010698cd3dc6a1daaf55f73d4997349f3b09603e9a9f097b554c07c791c6e6"},"schema_version":"1.0"},"canonical_sha256":"c8f6d48bf50fd4ff50d7f5d35809fea4ce459df6f39c99c8882f684c9ea42509","source":{"kind":"arxiv","id":"2505.17055","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.17055","created_at":"2026-07-05T11:50:20Z"},{"alias_kind":"arxiv_version","alias_value":"2505.17055v1","created_at":"2026-07-05T11:50:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.17055","created_at":"2026-07-05T11:50:20Z"},{"alias_kind":"pith_short_12","alias_value":"ZD3NJC7VB7KP","created_at":"2026-07-05T11:50:20Z"},{"alias_kind":"pith_short_16","alias_value":"ZD3NJC7VB7KP6UGX","created_at":"2026-07-05T11:50:20Z"},{"alias_kind":"pith_short_8","alias_value":"ZD3NJC7V","created_at":"2026-07-05T11:50:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:ZD3NJC7VB7KP6UGX6XJVQCP6UT","target":"record","payload":{"canonical_record":{"source":{"id":"2505.17055","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-05-16T19:14:25Z","cross_cats_sorted":["cs.CY","cs.HC"],"title_canon_sha256":"a08eb9b597cde1d629073c8e85f3a58f588f385a5ca7cbb22de2ef0eaaa5e9a8","abstract_canon_sha256":"68010698cd3dc6a1daaf55f73d4997349f3b09603e9a9f097b554c07c791c6e6"},"schema_version":"1.0"},"canonical_sha256":"c8f6d48bf50fd4ff50d7f5d35809fea4ce459df6f39c99c8882f684c9ea42509","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:50:20.894279Z","signature_b64":"/9BFPLAFR2GYoSuMiIOjg/UKS4PSAFd+30xHWvn1yvclSgCjTCpeqnDU/4IxJi5wqB7ZPofPuhV+58swqGoqDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c8f6d48bf50fd4ff50d7f5d35809fea4ce459df6f39c99c8882f684c9ea42509","last_reissued_at":"2026-07-05T11:50:20.893816Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:50:20.893816Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.17055","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":"2026-07-05T11:50:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ukox3bjgIDB4+xK1xJmdMXPuzoRrXchgpebLSIBQZUt7V+wsdi5TGtv9E18tHN8MVxr5ngu/30OhDk4Mzj3iAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T15:26:15.341936Z"},"content_sha256":"2c68805d78342f1ab3fefcfb75727660d8f17eb1468c59c5e7388823c17e2671","schema_version":"1.0","event_id":"sha256:2c68805d78342f1ab3fefcfb75727660d8f17eb1468c59c5e7388823c17e2671"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:ZD3NJC7VB7KP6UGX6XJVQCP6UT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhancing Mathematics Learning for Hard-of-Hearing Students Through Real-Time Palestinian Sign Language Recognition: A New Dataset","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CY","cs.HC"],"primary_cat":"cs.CL","authors_text":"Abdelrahem Atawnih, Fidaa Khandaqji, Huthaifa I. Ashqar","submitted_at":"2025-05-16T19:14:25Z","abstract_excerpt":"The study aims to enhance mathematics education accessibility for hard-of-hearing students by developing an accurate Palestinian sign language PSL recognition system using advanced artificial intelligence techniques. Due to the scarcity of digital resources for PSL, a custom dataset comprising 41 mathematical gesture classes was created, and recorded by PSL experts to ensure linguistic accuracy and domain specificity. To leverage state-of-the-art-computer vision techniques, a Vision Transformer ViTModel was fine-tuned for gesture classification. The model achieved an accuracy of 97.59%, demons"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.17055","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/2505.17055/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":"2026-07-05T11:50:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"svqNmjv1RuQ72LfNGAbrPcW0I1XRc9VXWY4f4PPYZ35q71k9WvQzVGTtwJkOQ5arN1Gb6fDNVSi8/uH246XNDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T15:26:15.342433Z"},"content_sha256":"d260c1d7cd37e522a1b4c2ecb186d4c1736f6aea1ca2fbf25a32382f00a4dcc0","schema_version":"1.0","event_id":"sha256:d260c1d7cd37e522a1b4c2ecb186d4c1736f6aea1ca2fbf25a32382f00a4dcc0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZD3NJC7VB7KP6UGX6XJVQCP6UT/bundle.json","state_url":"https://pith.science/pith/ZD3NJC7VB7KP6UGX6XJVQCP6UT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZD3NJC7VB7KP6UGX6XJVQCP6UT/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":"2026-08-21T15:26:15Z","links":{"resolver":"https://pith.science/pith/ZD3NJC7VB7KP6UGX6XJVQCP6UT","bundle":"https://pith.science/pith/ZD3NJC7VB7KP6UGX6XJVQCP6UT/bundle.json","state":"https://pith.science/pith/ZD3NJC7VB7KP6UGX6XJVQCP6UT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZD3NJC7VB7KP6UGX6XJVQCP6UT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:ZD3NJC7VB7KP6UGX6XJVQCP6UT","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":"68010698cd3dc6a1daaf55f73d4997349f3b09603e9a9f097b554c07c791c6e6","cross_cats_sorted":["cs.CY","cs.HC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-05-16T19:14:25Z","title_canon_sha256":"a08eb9b597cde1d629073c8e85f3a58f588f385a5ca7cbb22de2ef0eaaa5e9a8"},"schema_version":"1.0","source":{"id":"2505.17055","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.17055","created_at":"2026-07-05T11:50:20Z"},{"alias_kind":"arxiv_version","alias_value":"2505.17055v1","created_at":"2026-07-05T11:50:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.17055","created_at":"2026-07-05T11:50:20Z"},{"alias_kind":"pith_short_12","alias_value":"ZD3NJC7VB7KP","created_at":"2026-07-05T11:50:20Z"},{"alias_kind":"pith_short_16","alias_value":"ZD3NJC7VB7KP6UGX","created_at":"2026-07-05T11:50:20Z"},{"alias_kind":"pith_short_8","alias_value":"ZD3NJC7V","created_at":"2026-07-05T11:50:20Z"}],"graph_snapshots":[{"event_id":"sha256:d260c1d7cd37e522a1b4c2ecb186d4c1736f6aea1ca2fbf25a32382f00a4dcc0","target":"graph","created_at":"2026-07-05T11:50:20Z","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/2505.17055/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The study aims to enhance mathematics education accessibility for hard-of-hearing students by developing an accurate Palestinian sign language PSL recognition system using advanced artificial intelligence techniques. Due to the scarcity of digital resources for PSL, a custom dataset comprising 41 mathematical gesture classes was created, and recorded by PSL experts to ensure linguistic accuracy and domain specificity. To leverage state-of-the-art-computer vision techniques, a Vision Transformer ViTModel was fine-tuned for gesture classification. The model achieved an accuracy of 97.59%, demons","authors_text":"Abdelrahem Atawnih, Fidaa Khandaqji, Huthaifa I. Ashqar","cross_cats":["cs.CY","cs.HC"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-05-16T19:14:25Z","title":"Enhancing Mathematics Learning for Hard-of-Hearing Students Through Real-Time Palestinian Sign Language Recognition: A New Dataset"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.17055","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":"sha256:2c68805d78342f1ab3fefcfb75727660d8f17eb1468c59c5e7388823c17e2671","target":"record","created_at":"2026-07-05T11:50:20Z","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":"68010698cd3dc6a1daaf55f73d4997349f3b09603e9a9f097b554c07c791c6e6","cross_cats_sorted":["cs.CY","cs.HC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-05-16T19:14:25Z","title_canon_sha256":"a08eb9b597cde1d629073c8e85f3a58f588f385a5ca7cbb22de2ef0eaaa5e9a8"},"schema_version":"1.0","source":{"id":"2505.17055","kind":"arxiv","version":1}},"canonical_sha256":"c8f6d48bf50fd4ff50d7f5d35809fea4ce459df6f39c99c8882f684c9ea42509","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c8f6d48bf50fd4ff50d7f5d35809fea4ce459df6f39c99c8882f684c9ea42509","first_computed_at":"2026-07-05T11:50:20.893816Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:50:20.893816Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/9BFPLAFR2GYoSuMiIOjg/UKS4PSAFd+30xHWvn1yvclSgCjTCpeqnDU/4IxJi5wqB7ZPofPuhV+58swqGoqDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:50:20.894279Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.17055","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2c68805d78342f1ab3fefcfb75727660d8f17eb1468c59c5e7388823c17e2671","sha256:d260c1d7cd37e522a1b4c2ecb186d4c1736f6aea1ca2fbf25a32382f00a4dcc0"],"state_sha256":"148f6b0942b2096b17ac223532bd2fff209e6fd2886ac20159f76d904c923a30"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U2amhwLxQUQFZqtRUOnyt5TJmH7bw4Id57K1hH4AGM/aBByDu/URlGdDUzZ+jSp9oK8eU33L0c+3EyyGhnKJAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T15:26:15.346097Z","bundle_sha256":"8688d955f2b15e9512a70bcd3ed28073d7b573081f07f046613788cb1a024817"}}