{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:5DEYT3VL5YWA5VTGEJJZA2KSHR","short_pith_number":"pith:5DEYT3VL","canonical_record":{"source":{"id":"2006.00782","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2020-06-01T08:16:24Z","cross_cats_sorted":["cs.CL","cs.SD"],"title_canon_sha256":"c8ebef3beadc43f7fd4ad881b372f2d1187a4a87e1fc7f63a1040443dff67d53","abstract_canon_sha256":"daf7617954848349a4077e45a3865300926bebd84ad8d674cfc494b5c3e14dae"},"schema_version":"1.0"},"canonical_sha256":"e8c989eeabee2c0ed66622539069523c429405d4e2418cf6969cc7492ef7c255","source":{"kind":"arxiv","id":"2006.00782","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.00782","created_at":"2026-07-05T01:07:05Z"},{"alias_kind":"arxiv_version","alias_value":"2006.00782v1","created_at":"2026-07-05T01:07:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.00782","created_at":"2026-07-05T01:07:05Z"},{"alias_kind":"pith_short_12","alias_value":"5DEYT3VL5YWA","created_at":"2026-07-05T01:07:05Z"},{"alias_kind":"pith_short_16","alias_value":"5DEYT3VL5YWA5VTG","created_at":"2026-07-05T01:07:05Z"},{"alias_kind":"pith_short_8","alias_value":"5DEYT3VL","created_at":"2026-07-05T01:07:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:5DEYT3VL5YWA5VTGEJJZA2KSHR","target":"record","payload":{"canonical_record":{"source":{"id":"2006.00782","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2020-06-01T08:16:24Z","cross_cats_sorted":["cs.CL","cs.SD"],"title_canon_sha256":"c8ebef3beadc43f7fd4ad881b372f2d1187a4a87e1fc7f63a1040443dff67d53","abstract_canon_sha256":"daf7617954848349a4077e45a3865300926bebd84ad8d674cfc494b5c3e14dae"},"schema_version":"1.0"},"canonical_sha256":"e8c989eeabee2c0ed66622539069523c429405d4e2418cf6969cc7492ef7c255","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:07:05.416676Z","signature_b64":"63bDCDMpQuhlUfp4ow6zMXh9bXcAhmObE1RiaN7Px5wnh37KqbIOODlBVrJoCouYmsbTcY3MfwzcakAipmSvAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e8c989eeabee2c0ed66622539069523c429405d4e2418cf6969cc7492ef7c255","last_reissued_at":"2026-07-05T01:07:05.416133Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:07:05.416133Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2006.00782","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":"2026-07-05T01:07:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R1wutIW51cwxCh4AzXroOKv7zkq8LU/DCAPROSN+31+kuvkm5LGtvcTfifqa51Nq4oCiyFKfdsL3RsuzQXASCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T15:32:44.199257Z"},"content_sha256":"21e83fabe27bd9290cb2373096a5150fc36ebc68e50882ede17b7a56dde81406","schema_version":"1.0","event_id":"sha256:21e83fabe27bd9290cb2373096a5150fc36ebc68e50882ede17b7a56dde81406"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:5DEYT3VL5YWA5VTGEJJZA2KSHR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Learning to Recognize Code-switched Speech Without Forgetting Monolingual Speech Recognition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CL","cs.SD"],"primary_cat":"eess.AS","authors_text":"Basil Abraham, Gurunath Reddy M, Sanket Shah, Sunayana Sitaram, Vikas Joshi","submitted_at":"2020-06-01T08:16:24Z","abstract_excerpt":"Recently, there has been significant progress made in Automatic Speech Recognition (ASR) of code-switched speech, leading to gains in accuracy on code-switched datasets in many language pairs. Code-switched speech co-occurs with monolingual speech in one or both languages being mixed. In this work, we show that fine-tuning ASR models on code-switched speech harms performance on monolingual speech. We point out the need to optimize models for code-switching while also ensuring that monolingual performance is not sacrificed. Monolingual models may be trained on thousands of hours of speech which"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.00782","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/2006.00782/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":"2026-07-05T01:07:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zlO4TI44CrFNdnfY9P4JP//pI/NdWsa7TFFRUN2nahrJgr3/dtWjs4R/EXzjp/hC1JMVIs0ZEIWOFG8f7pdXAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T15:32:44.199633Z"},"content_sha256":"5ebda73c53ac07f42bb43c9ae68c9c0c8236ec96f9df96f959cd8b351dd3c968","schema_version":"1.0","event_id":"sha256:5ebda73c53ac07f42bb43c9ae68c9c0c8236ec96f9df96f959cd8b351dd3c968"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5DEYT3VL5YWA5VTGEJJZA2KSHR/bundle.json","state_url":"https://pith.science/pith/5DEYT3VL5YWA5VTGEJJZA2KSHR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5DEYT3VL5YWA5VTGEJJZA2KSHR/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":"2026-07-18T15:32:44Z","links":{"resolver":"https://pith.science/pith/5DEYT3VL5YWA5VTGEJJZA2KSHR","bundle":"https://pith.science/pith/5DEYT3VL5YWA5VTGEJJZA2KSHR/bundle.json","state":"https://pith.science/pith/5DEYT3VL5YWA5VTGEJJZA2KSHR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5DEYT3VL5YWA5VTGEJJZA2KSHR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:5DEYT3VL5YWA5VTGEJJZA2KSHR","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":"daf7617954848349a4077e45a3865300926bebd84ad8d674cfc494b5c3e14dae","cross_cats_sorted":["cs.CL","cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2020-06-01T08:16:24Z","title_canon_sha256":"c8ebef3beadc43f7fd4ad881b372f2d1187a4a87e1fc7f63a1040443dff67d53"},"schema_version":"1.0","source":{"id":"2006.00782","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.00782","created_at":"2026-07-05T01:07:05Z"},{"alias_kind":"arxiv_version","alias_value":"2006.00782v1","created_at":"2026-07-05T01:07:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.00782","created_at":"2026-07-05T01:07:05Z"},{"alias_kind":"pith_short_12","alias_value":"5DEYT3VL5YWA","created_at":"2026-07-05T01:07:05Z"},{"alias_kind":"pith_short_16","alias_value":"5DEYT3VL5YWA5VTG","created_at":"2026-07-05T01:07:05Z"},{"alias_kind":"pith_short_8","alias_value":"5DEYT3VL","created_at":"2026-07-05T01:07:05Z"}],"graph_snapshots":[{"event_id":"sha256:5ebda73c53ac07f42bb43c9ae68c9c0c8236ec96f9df96f959cd8b351dd3c968","target":"graph","created_at":"2026-07-05T01:07:05Z","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/2006.00782/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recently, there has been significant progress made in Automatic Speech Recognition (ASR) of code-switched speech, leading to gains in accuracy on code-switched datasets in many language pairs. Code-switched speech co-occurs with monolingual speech in one or both languages being mixed. In this work, we show that fine-tuning ASR models on code-switched speech harms performance on monolingual speech. We point out the need to optimize models for code-switching while also ensuring that monolingual performance is not sacrificed. Monolingual models may be trained on thousands of hours of speech which","authors_text":"Basil Abraham, Gurunath Reddy M, Sanket Shah, Sunayana Sitaram, Vikas Joshi","cross_cats":["cs.CL","cs.SD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2020-06-01T08:16:24Z","title":"Learning to Recognize Code-switched Speech Without Forgetting Monolingual Speech Recognition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.00782","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":"sha256:21e83fabe27bd9290cb2373096a5150fc36ebc68e50882ede17b7a56dde81406","target":"record","created_at":"2026-07-05T01:07:05Z","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":"daf7617954848349a4077e45a3865300926bebd84ad8d674cfc494b5c3e14dae","cross_cats_sorted":["cs.CL","cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2020-06-01T08:16:24Z","title_canon_sha256":"c8ebef3beadc43f7fd4ad881b372f2d1187a4a87e1fc7f63a1040443dff67d53"},"schema_version":"1.0","source":{"id":"2006.00782","kind":"arxiv","version":1}},"canonical_sha256":"e8c989eeabee2c0ed66622539069523c429405d4e2418cf6969cc7492ef7c255","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e8c989eeabee2c0ed66622539069523c429405d4e2418cf6969cc7492ef7c255","first_computed_at":"2026-07-05T01:07:05.416133Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:07:05.416133Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"63bDCDMpQuhlUfp4ow6zMXh9bXcAhmObE1RiaN7Px5wnh37KqbIOODlBVrJoCouYmsbTcY3MfwzcakAipmSvAw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:07:05.416676Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.00782","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:21e83fabe27bd9290cb2373096a5150fc36ebc68e50882ede17b7a56dde81406","sha256:5ebda73c53ac07f42bb43c9ae68c9c0c8236ec96f9df96f959cd8b351dd3c968"],"state_sha256":"30f40c104e3e42f043960f6cfa7e07bbe96d300c0325f0f4c1c8616c205faf93"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+0peEExqY3A1WzeexNeqGRRyEq6zInqvDx04VIkW42Ju77Nqjk9OFafG3WnYLht0Ee+ggFkomQvsQEl5CPbCAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-18T15:32:44.201763Z","bundle_sha256":"69d4ddba63bf41988e994478ab3bfd7113659ab079117e93751a2aa7967b802a"}}