{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:HSC7ARZRVR3Z2DRLUBC4LQQV2R","short_pith_number":"pith:HSC7ARZR","schema_version":"1.0","canonical_sha256":"3c85f04731ac779d0e2ba045c5c215d44bea8dcc34331340782637604b9c5062","source":{"kind":"arxiv","id":"2303.10782","version":1},"attestation_state":"computed","paper":{"title":"On the Importance of Signer Overlap for Sign Language Detection","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"cs.CL","authors_text":"Abhilash Pal, Alessandro Manzotti, Cyrine Chaabani, Oscar Koller, Stephan Huber","submitted_at":"2023-03-19T22:15:05Z","abstract_excerpt":"Sign language detection, identifying if someone is signing or not, is becoming crucially important for its applications in remote conferencing software and for selecting useful sign data for training sign language recognition or translation tasks. We argue that the current benchmark data sets for sign language detection estimate overly positive results that do not generalize well due to signer overlap between train and test partitions. We quantify this with a detailed analysis of the effect of signer overlap on current sign detection benchmark data sets. Comparing accuracy with and without ove"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2303.10782","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2023-03-19T22:15:05Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"0d881d6a9fd8ec5cd5056e44b8dff37a8c75404970386b5a2f788e579e9c7944","abstract_canon_sha256":"011e4dec492ba617125659e69148f69eee4bea7e1b769f406a192b8eb5a13add"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:52:36.591565Z","signature_b64":"LfjCPPb/FPs7QA2Q/rWq/OeD/yoJyF38FyGXz4TQA6paTno/ynERxBq+3WVaA3lQaj1Y3EaYyFBFYZqYJY2OCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3c85f04731ac779d0e2ba045c5c215d44bea8dcc34331340782637604b9c5062","last_reissued_at":"2026-07-05T05:52:36.591205Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:52:36.591205Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the Importance of Signer Overlap for Sign Language Detection","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"cs.CL","authors_text":"Abhilash Pal, Alessandro Manzotti, Cyrine Chaabani, Oscar Koller, Stephan Huber","submitted_at":"2023-03-19T22:15:05Z","abstract_excerpt":"Sign language detection, identifying if someone is signing or not, is becoming crucially important for its applications in remote conferencing software and for selecting useful sign data for training sign language recognition or translation tasks. We argue that the current benchmark data sets for sign language detection estimate overly positive results that do not generalize well due to signer overlap between train and test partitions. We quantify this with a detailed analysis of the effect of signer overlap on current sign detection benchmark data sets. Comparing accuracy with and without ove"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.10782","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/2303.10782/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2303.10782","created_at":"2026-07-05T05:52:36.591262+00:00"},{"alias_kind":"arxiv_version","alias_value":"2303.10782v1","created_at":"2026-07-05T05:52:36.591262+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.10782","created_at":"2026-07-05T05:52:36.591262+00:00"},{"alias_kind":"pith_short_12","alias_value":"HSC7ARZRVR3Z","created_at":"2026-07-05T05:52:36.591262+00:00"},{"alias_kind":"pith_short_16","alias_value":"HSC7ARZRVR3Z2DRL","created_at":"2026-07-05T05:52:36.591262+00:00"},{"alias_kind":"pith_short_8","alias_value":"HSC7ARZR","created_at":"2026-07-05T05:52:36.591262+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HSC7ARZRVR3Z2DRLUBC4LQQV2R","json":"https://pith.science/pith/HSC7ARZRVR3Z2DRLUBC4LQQV2R.json","graph_json":"https://pith.science/api/pith-number/HSC7ARZRVR3Z2DRLUBC4LQQV2R/graph.json","events_json":"https://pith.science/api/pith-number/HSC7ARZRVR3Z2DRLUBC4LQQV2R/events.json","paper":"https://pith.science/paper/HSC7ARZR"},"agent_actions":{"view_html":"https://pith.science/pith/HSC7ARZRVR3Z2DRLUBC4LQQV2R","download_json":"https://pith.science/pith/HSC7ARZRVR3Z2DRLUBC4LQQV2R.json","view_paper":"https://pith.science/paper/HSC7ARZR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2303.10782&json=true","fetch_graph":"https://pith.science/api/pith-number/HSC7ARZRVR3Z2DRLUBC4LQQV2R/graph.json","fetch_events":"https://pith.science/api/pith-number/HSC7ARZRVR3Z2DRLUBC4LQQV2R/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HSC7ARZRVR3Z2DRLUBC4LQQV2R/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HSC7ARZRVR3Z2DRLUBC4LQQV2R/action/storage_attestation","attest_author":"https://pith.science/pith/HSC7ARZRVR3Z2DRLUBC4LQQV2R/action/author_attestation","sign_citation":"https://pith.science/pith/HSC7ARZRVR3Z2DRLUBC4LQQV2R/action/citation_signature","submit_replication":"https://pith.science/pith/HSC7ARZRVR3Z2DRLUBC4LQQV2R/action/replication_record"}},"created_at":"2026-07-05T05:52:36.591262+00:00","updated_at":"2026-07-05T05:52:36.591262+00:00"}