{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:TMFULF7TOKQWFJEWDZ6CG7ZCU5","short_pith_number":"pith:TMFULF7T","canonical_record":{"source":{"id":"1904.01684","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-04-02T21:59:35Z","cross_cats_sorted":[],"title_canon_sha256":"54852129f8510356e6de3e55c34514ef6c74c78417f4350630edb03f7812b1b0","abstract_canon_sha256":"ff1cc2abe1e4091824a592af176f30764f53b59373cb020557237e0f6e6b579f"},"schema_version":"1.0"},"canonical_sha256":"9b0b4597f372a162a4961e7c237f22a75e0f3ce08001a938d45a755360390f5c","source":{"kind":"arxiv","id":"1904.01684","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.01684","created_at":"2026-07-05T01:42:51Z"},{"alias_kind":"arxiv_version","alias_value":"1904.01684v3","created_at":"2026-07-05T01:42:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.01684","created_at":"2026-07-05T01:42:51Z"},{"alias_kind":"pith_short_12","alias_value":"TMFULF7TOKQW","created_at":"2026-07-05T01:42:51Z"},{"alias_kind":"pith_short_16","alias_value":"TMFULF7TOKQWFJEW","created_at":"2026-07-05T01:42:51Z"},{"alias_kind":"pith_short_8","alias_value":"TMFULF7T","created_at":"2026-07-05T01:42:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:TMFULF7TOKQWFJEWDZ6CG7ZCU5","target":"record","payload":{"canonical_record":{"source":{"id":"1904.01684","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-04-02T21:59:35Z","cross_cats_sorted":[],"title_canon_sha256":"54852129f8510356e6de3e55c34514ef6c74c78417f4350630edb03f7812b1b0","abstract_canon_sha256":"ff1cc2abe1e4091824a592af176f30764f53b59373cb020557237e0f6e6b579f"},"schema_version":"1.0"},"canonical_sha256":"9b0b4597f372a162a4961e7c237f22a75e0f3ce08001a938d45a755360390f5c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:42:51.688746Z","signature_b64":"ImxCjyl0wOov19p57gCwp4eHEfNFRsC93WTfzaoQ6RiN/1uy3NFrvTtrte4MGiY04+X7bdhDFT/T6/yokbRdDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b0b4597f372a162a4961e7c237f22a75e0f3ce08001a938d45a755360390f5c","last_reissued_at":"2026-07-05T01:42:51.688235Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:42:51.688235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.01684","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:42:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QM/aHU5OjzNdL2KG4CzNJoHDcm/Hc0iMmEmq8cI5cU9OnfuV9iXL7EfyCsVjYhE7R6FE1Aj0CHOqFvUkNze+CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T23:33:40.940070Z"},"content_sha256":"2555a7bde835801921f775bac7d6824194bd05a99023bf44d6c62311cb51892b","schema_version":"1.0","event_id":"sha256:2555a7bde835801921f775bac7d6824194bd05a99023bf44d6c62311cb51892b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:TMFULF7TOKQWFJEWDZ6CG7ZCU5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Impact of ASR on Alzheimer's Disease Detection: All Errors are Equal, but Deletions are More Equal than Others","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Aparna Balagopalan, Jekaterina Novikova, Ksenia Shkaruta","submitted_at":"2019-04-02T21:59:35Z","abstract_excerpt":"Automatic Speech Recognition (ASR) is a critical component of any fully-automated speech-based dementia detection model. However, despite years of speech recognition research, little is known about the impact of ASR accuracy on dementia detection. In this paper, we experiment with controlled amounts of artificially generated ASR errors and investigate their influence on dementia detection. We find that deletion errors affect detection performance the most, due to their impact on the features of syntactic complexity and discourse representation in speech. We show the trend to be generalisable a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.01684","kind":"arxiv","version":3},"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/1904.01684/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":"2026-07-05T01:42:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WpdDcuUSP/Aiv/taiESoBM3nMfjSjD+/fBW9i5DAH8M//Syg8wfoBDpGgZv/28mOF+rAnrIrw9BWRS1Iwn94CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T23:33:40.940576Z"},"content_sha256":"5544bbae3e8e55dfd264e5b0b6b3330da5a4b34de17f68983fe6c94ed80faecd","schema_version":"1.0","event_id":"sha256:5544bbae3e8e55dfd264e5b0b6b3330da5a4b34de17f68983fe6c94ed80faecd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TMFULF7TOKQWFJEWDZ6CG7ZCU5/bundle.json","state_url":"https://pith.science/pith/TMFULF7TOKQWFJEWDZ6CG7ZCU5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TMFULF7TOKQWFJEWDZ6CG7ZCU5/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":"2026-08-08T23:33:40Z","links":{"resolver":"https://pith.science/pith/TMFULF7TOKQWFJEWDZ6CG7ZCU5","bundle":"https://pith.science/pith/TMFULF7TOKQWFJEWDZ6CG7ZCU5/bundle.json","state":"https://pith.science/pith/TMFULF7TOKQWFJEWDZ6CG7ZCU5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TMFULF7TOKQWFJEWDZ6CG7ZCU5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:TMFULF7TOKQWFJEWDZ6CG7ZCU5","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":"ff1cc2abe1e4091824a592af176f30764f53b59373cb020557237e0f6e6b579f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-04-02T21:59:35Z","title_canon_sha256":"54852129f8510356e6de3e55c34514ef6c74c78417f4350630edb03f7812b1b0"},"schema_version":"1.0","source":{"id":"1904.01684","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.01684","created_at":"2026-07-05T01:42:51Z"},{"alias_kind":"arxiv_version","alias_value":"1904.01684v3","created_at":"2026-07-05T01:42:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.01684","created_at":"2026-07-05T01:42:51Z"},{"alias_kind":"pith_short_12","alias_value":"TMFULF7TOKQW","created_at":"2026-07-05T01:42:51Z"},{"alias_kind":"pith_short_16","alias_value":"TMFULF7TOKQWFJEW","created_at":"2026-07-05T01:42:51Z"},{"alias_kind":"pith_short_8","alias_value":"TMFULF7T","created_at":"2026-07-05T01:42:51Z"}],"graph_snapshots":[{"event_id":"sha256:5544bbae3e8e55dfd264e5b0b6b3330da5a4b34de17f68983fe6c94ed80faecd","target":"graph","created_at":"2026-07-05T01:42:51Z","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/1904.01684/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Automatic Speech Recognition (ASR) is a critical component of any fully-automated speech-based dementia detection model. However, despite years of speech recognition research, little is known about the impact of ASR accuracy on dementia detection. In this paper, we experiment with controlled amounts of artificially generated ASR errors and investigate their influence on dementia detection. We find that deletion errors affect detection performance the most, due to their impact on the features of syntactic complexity and discourse representation in speech. We show the trend to be generalisable a","authors_text":"Aparna Balagopalan, Jekaterina Novikova, Ksenia Shkaruta","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-04-02T21:59:35Z","title":"Impact of ASR on Alzheimer's Disease Detection: All Errors are Equal, but Deletions are More Equal than Others"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.01684","kind":"arxiv","version":3},"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":"sha256:2555a7bde835801921f775bac7d6824194bd05a99023bf44d6c62311cb51892b","target":"record","created_at":"2026-07-05T01:42:51Z","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":"ff1cc2abe1e4091824a592af176f30764f53b59373cb020557237e0f6e6b579f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-04-02T21:59:35Z","title_canon_sha256":"54852129f8510356e6de3e55c34514ef6c74c78417f4350630edb03f7812b1b0"},"schema_version":"1.0","source":{"id":"1904.01684","kind":"arxiv","version":3}},"canonical_sha256":"9b0b4597f372a162a4961e7c237f22a75e0f3ce08001a938d45a755360390f5c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b0b4597f372a162a4961e7c237f22a75e0f3ce08001a938d45a755360390f5c","first_computed_at":"2026-07-05T01:42:51.688235Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:42:51.688235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ImxCjyl0wOov19p57gCwp4eHEfNFRsC93WTfzaoQ6RiN/1uy3NFrvTtrte4MGiY04+X7bdhDFT/T6/yokbRdDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:42:51.688746Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.01684","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2555a7bde835801921f775bac7d6824194bd05a99023bf44d6c62311cb51892b","sha256:5544bbae3e8e55dfd264e5b0b6b3330da5a4b34de17f68983fe6c94ed80faecd"],"state_sha256":"eb2efd392b768e7ee6eaa4556d9505ab9738130433d97bdc048e959b7cc011e1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xHoa9BA1mSvu90lZBUm2DYZAHS4BFnuOhrVVwSmVNiDN5XjoEy+8nhaCa/n5ly8u6D7VJQ/YcOBTt4tUXT5ODw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T23:33:40.945186Z","bundle_sha256":"e5ce14c4315ce39bce058b79f8ef896cbaf19588a547913ce3113942ece035b3"}}