{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:XHTI2NRYUUPG3XCQEK2LGPTSJU","short_pith_number":"pith:XHTI2NRY","canonical_record":{"source":{"id":"2305.05271","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2023-05-09T08:51:44Z","cross_cats_sorted":["cs.LG","cs.SD","eess.AS"],"title_canon_sha256":"232fd99a35fcb2c81ccbbac8be921babef30630039f0d456e6ceea42d50c9a3a","abstract_canon_sha256":"0886f18396ad7382f8fef85322ccc40974a3e9f696d2acf5de69818cc8bd9ae7"},"schema_version":"1.0"},"canonical_sha256":"b9e68d3638a51e6ddc5022b4b33e724d240940e33167bac525e13d48241a33eb","source":{"kind":"arxiv","id":"2305.05271","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.05271","created_at":"2026-07-05T06:08:32Z"},{"alias_kind":"arxiv_version","alias_value":"2305.05271v1","created_at":"2026-07-05T06:08:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.05271","created_at":"2026-07-05T06:08:32Z"},{"alias_kind":"pith_short_12","alias_value":"XHTI2NRYUUPG","created_at":"2026-07-05T06:08:32Z"},{"alias_kind":"pith_short_16","alias_value":"XHTI2NRYUUPG3XCQ","created_at":"2026-07-05T06:08:32Z"},{"alias_kind":"pith_short_8","alias_value":"XHTI2NRY","created_at":"2026-07-05T06:08:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:XHTI2NRYUUPG3XCQEK2LGPTSJU","target":"record","payload":{"canonical_record":{"source":{"id":"2305.05271","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2023-05-09T08:51:44Z","cross_cats_sorted":["cs.LG","cs.SD","eess.AS"],"title_canon_sha256":"232fd99a35fcb2c81ccbbac8be921babef30630039f0d456e6ceea42d50c9a3a","abstract_canon_sha256":"0886f18396ad7382f8fef85322ccc40974a3e9f696d2acf5de69818cc8bd9ae7"},"schema_version":"1.0"},"canonical_sha256":"b9e68d3638a51e6ddc5022b4b33e724d240940e33167bac525e13d48241a33eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:08:32.679562Z","signature_b64":"EdDFx+qqulq8vYPONPmdFre3Pn7fhG3mI4qk82rXXSrH3/AtGiq9i9y96XKg/65tzrKZS5W4eiPPej3MV+oECw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b9e68d3638a51e6ddc5022b4b33e724d240940e33167bac525e13d48241a33eb","last_reissued_at":"2026-07-05T06:08:32.679056Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:08:32.679056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2305.05271","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":"2026-07-05T06:08:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yvu3JpCCMd+y3qNfpuiJ72BEuTldovpHB6bgY3uWaOFbaV/o5bBEvNofUAk6G//tTH5kDjvSYY3icNmCFE5lAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:19:25.350995Z"},"content_sha256":"c4a8c6d9f1c8f6b3d8194593aaab2a0c2b2fe17e233078670dee9836a71ef3e6","schema_version":"1.0","event_id":"sha256:c4a8c6d9f1c8f6b3d8194593aaab2a0c2b2fe17e233078670dee9836a71ef3e6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:XHTI2NRYUUPG3XCQEK2LGPTSJU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Robust Acoustic and Semantic Contextual Biasing in Neural Transducers for Speech Recognition","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.LG","cs.SD","eess.AS"],"primary_cat":"cs.CL","authors_text":"Ankur Gandhe, Athanasios Mouchtaris, Grant P. Strimel, Jing Liu, Kanthashree Mysore Sathyendra, Ross McGowan, Xuandi Fu","submitted_at":"2023-05-09T08:51:44Z","abstract_excerpt":"Attention-based contextual biasing approaches have shown significant improvements in the recognition of generic and/or personal rare-words in End-to-End Automatic Speech Recognition (E2E ASR) systems like neural transducers. These approaches employ cross-attention to bias the model towards specific contextual entities injected as bias-phrases to the model. Prior approaches typically relied on subword encoders for encoding the bias phrases. However, subword tokenizations are coarse and fail to capture granular pronunciation information which is crucial for biasing based on acoustic similarity. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.05271","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/2305.05271/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":"2026-07-05T06:08:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K8/Mtm/o/3jb1JyzJIP1Wkbiy8AtjfosvTyNLsc/5/pUJwtb/gG4BByBdE3o9jr28v80/AiGD6ocrQGnMpUTCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:19:25.351381Z"},"content_sha256":"f4e4ccacc40f8cb1c06705e3d628e4400238ab40b73569022f1b89dfa87ef441","schema_version":"1.0","event_id":"sha256:f4e4ccacc40f8cb1c06705e3d628e4400238ab40b73569022f1b89dfa87ef441"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XHTI2NRYUUPG3XCQEK2LGPTSJU/bundle.json","state_url":"https://pith.science/pith/XHTI2NRYUUPG3XCQEK2LGPTSJU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XHTI2NRYUUPG3XCQEK2LGPTSJU/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":"2026-07-07T12:19:25Z","links":{"resolver":"https://pith.science/pith/XHTI2NRYUUPG3XCQEK2LGPTSJU","bundle":"https://pith.science/pith/XHTI2NRYUUPG3XCQEK2LGPTSJU/bundle.json","state":"https://pith.science/pith/XHTI2NRYUUPG3XCQEK2LGPTSJU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XHTI2NRYUUPG3XCQEK2LGPTSJU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:XHTI2NRYUUPG3XCQEK2LGPTSJU","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":"0886f18396ad7382f8fef85322ccc40974a3e9f696d2acf5de69818cc8bd9ae7","cross_cats_sorted":["cs.LG","cs.SD","eess.AS"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2023-05-09T08:51:44Z","title_canon_sha256":"232fd99a35fcb2c81ccbbac8be921babef30630039f0d456e6ceea42d50c9a3a"},"schema_version":"1.0","source":{"id":"2305.05271","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.05271","created_at":"2026-07-05T06:08:32Z"},{"alias_kind":"arxiv_version","alias_value":"2305.05271v1","created_at":"2026-07-05T06:08:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.05271","created_at":"2026-07-05T06:08:32Z"},{"alias_kind":"pith_short_12","alias_value":"XHTI2NRYUUPG","created_at":"2026-07-05T06:08:32Z"},{"alias_kind":"pith_short_16","alias_value":"XHTI2NRYUUPG3XCQ","created_at":"2026-07-05T06:08:32Z"},{"alias_kind":"pith_short_8","alias_value":"XHTI2NRY","created_at":"2026-07-05T06:08:32Z"}],"graph_snapshots":[{"event_id":"sha256:f4e4ccacc40f8cb1c06705e3d628e4400238ab40b73569022f1b89dfa87ef441","target":"graph","created_at":"2026-07-05T06:08:32Z","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/2305.05271/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Attention-based contextual biasing approaches have shown significant improvements in the recognition of generic and/or personal rare-words in End-to-End Automatic Speech Recognition (E2E ASR) systems like neural transducers. These approaches employ cross-attention to bias the model towards specific contextual entities injected as bias-phrases to the model. Prior approaches typically relied on subword encoders for encoding the bias phrases. However, subword tokenizations are coarse and fail to capture granular pronunciation information which is crucial for biasing based on acoustic similarity. ","authors_text":"Ankur Gandhe, Athanasios Mouchtaris, Grant P. Strimel, Jing Liu, Kanthashree Mysore Sathyendra, Ross McGowan, Xuandi Fu","cross_cats":["cs.LG","cs.SD","eess.AS"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2023-05-09T08:51:44Z","title":"Robust Acoustic and Semantic Contextual Biasing in Neural Transducers for Speech Recognition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.05271","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:c4a8c6d9f1c8f6b3d8194593aaab2a0c2b2fe17e233078670dee9836a71ef3e6","target":"record","created_at":"2026-07-05T06:08:32Z","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":"0886f18396ad7382f8fef85322ccc40974a3e9f696d2acf5de69818cc8bd9ae7","cross_cats_sorted":["cs.LG","cs.SD","eess.AS"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2023-05-09T08:51:44Z","title_canon_sha256":"232fd99a35fcb2c81ccbbac8be921babef30630039f0d456e6ceea42d50c9a3a"},"schema_version":"1.0","source":{"id":"2305.05271","kind":"arxiv","version":1}},"canonical_sha256":"b9e68d3638a51e6ddc5022b4b33e724d240940e33167bac525e13d48241a33eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b9e68d3638a51e6ddc5022b4b33e724d240940e33167bac525e13d48241a33eb","first_computed_at":"2026-07-05T06:08:32.679056Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:08:32.679056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EdDFx+qqulq8vYPONPmdFre3Pn7fhG3mI4qk82rXXSrH3/AtGiq9i9y96XKg/65tzrKZS5W4eiPPej3MV+oECw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:08:32.679562Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.05271","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c4a8c6d9f1c8f6b3d8194593aaab2a0c2b2fe17e233078670dee9836a71ef3e6","sha256:f4e4ccacc40f8cb1c06705e3d628e4400238ab40b73569022f1b89dfa87ef441"],"state_sha256":"55d0974a8446a21c39b9e1569a6e5e082d50faa2af6a018c073a3f5fa1918cad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UYLQ1DaQxgBYJmhVTiA0qa9RCOcaKxQVWBNYjdHicC2MUkqUeR0wJg+A032so2CgcVsHVMrR2nnU200TT2l/BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T12:19:25.353342Z","bundle_sha256":"fdf57cbb6a01ef57a88ecf5ddb9ae7dfa4c2b74b20232e9057b30b8cbc383bd1"}}