{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:FT4NLQD5GL4ZTOE6C4IW7OJQF4","short_pith_number":"pith:FT4NLQD5","canonical_record":{"source":{"id":"2104.02128","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-04-05T19:54:15Z","cross_cats_sorted":["cs.CL","cs.SD"],"title_canon_sha256":"316ee5605c47f8c070f4dc563fa06c4ccbd6c2de4d8369cd6577c898e54c72f0","abstract_canon_sha256":"5052a23b3cdb70641947cba8b6d7d78fe526c21bde8509c5ee48415469b555ea"},"schema_version":"1.0"},"canonical_sha256":"2cf8d5c07d32f999b89e17116fb9302f373422aa20d795e3e875fe6eff2e7f84","source":{"kind":"arxiv","id":"2104.02128","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.02128","created_at":"2026-07-05T02:29:14Z"},{"alias_kind":"arxiv_version","alias_value":"2104.02128v1","created_at":"2026-07-05T02:29:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.02128","created_at":"2026-07-05T02:29:14Z"},{"alias_kind":"pith_short_12","alias_value":"FT4NLQD5GL4Z","created_at":"2026-07-05T02:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"FT4NLQD5GL4ZTOE6","created_at":"2026-07-05T02:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"FT4NLQD5","created_at":"2026-07-05T02:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:FT4NLQD5GL4ZTOE6C4IW7OJQF4","target":"record","payload":{"canonical_record":{"source":{"id":"2104.02128","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-04-05T19:54:15Z","cross_cats_sorted":["cs.CL","cs.SD"],"title_canon_sha256":"316ee5605c47f8c070f4dc563fa06c4ccbd6c2de4d8369cd6577c898e54c72f0","abstract_canon_sha256":"5052a23b3cdb70641947cba8b6d7d78fe526c21bde8509c5ee48415469b555ea"},"schema_version":"1.0"},"canonical_sha256":"2cf8d5c07d32f999b89e17116fb9302f373422aa20d795e3e875fe6eff2e7f84","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:29:14.329272Z","signature_b64":"8Gn9HzuV7zlPwUDqkuHvVgdWHcdMELUP/h/3Ha27hHP3Ww+hmB1S7Q/3477w4V03M51t9KJEwuWZDh6npRroCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2cf8d5c07d32f999b89e17116fb9302f373422aa20d795e3e875fe6eff2e7f84","last_reissued_at":"2026-07-05T02:29:14.328797Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:29:14.328797Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2104.02128","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":"2026-07-05T02:29:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v425K5mvL9OzZSp5weVeW4QFD+id2qXJujN0qSQ3JjQk2a2VfYCLXOb/NG3WE4F8wmkRxMRv7mjYBdWS7rPaAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T02:23:21.042455Z"},"content_sha256":"fd815038ffc687a2d5298de173a9f07dbb22c919789e1b784c72fd0105fbc5cd","schema_version":"1.0","event_id":"sha256:fd815038ffc687a2d5298de173a9f07dbb22c919789e1b784c72fd0105fbc5cd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:FT4NLQD5GL4ZTOE6C4IW7OJQF4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"End-to-End Speaker-Attributed ASR with Transformer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CL","cs.SD"],"primary_cat":"eess.AS","authors_text":"Guoli Ye, Naoyuki Kanda, Takuya Yoshioka, Xiaofei Wang, Yashesh Gaur, Zhong Meng, Zhuo Chen","submitted_at":"2021-04-05T19:54:15Z","abstract_excerpt":"This paper presents our recent effort on end-to-end speaker-attributed automatic speech recognition, which jointly performs speaker counting, speech recognition and speaker identification for monaural multi-talker audio. Firstly, we thoroughly update the model architecture that was previously designed based on a long short-term memory (LSTM)-based attention encoder decoder by applying transformer architectures. Secondly, we propose a speaker deduplication mechanism to reduce speaker identification errors in highly overlapped regions. Experimental results on the LibriSpeechMix dataset shows tha"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.02128","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/2104.02128/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":"2026-07-05T02:29:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GpPsu15CSnJmPOMEpEmAUnXYwCHhjlU3wQuL3BAVN2Kk6gw15lQFkwMKykgfdHb1FZzLGb0b0bMgmnybc403BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T02:23:21.045503Z"},"content_sha256":"e56e7831e947e03c4dc49d80ac20252d7d9ae0e790fe05423ed8102dce73b672","schema_version":"1.0","event_id":"sha256:e56e7831e947e03c4dc49d80ac20252d7d9ae0e790fe05423ed8102dce73b672"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FT4NLQD5GL4ZTOE6C4IW7OJQF4/bundle.json","state_url":"https://pith.science/pith/FT4NLQD5GL4ZTOE6C4IW7OJQF4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FT4NLQD5GL4ZTOE6C4IW7OJQF4/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":"2026-08-04T02:23:21Z","links":{"resolver":"https://pith.science/pith/FT4NLQD5GL4ZTOE6C4IW7OJQF4","bundle":"https://pith.science/pith/FT4NLQD5GL4ZTOE6C4IW7OJQF4/bundle.json","state":"https://pith.science/pith/FT4NLQD5GL4ZTOE6C4IW7OJQF4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FT4NLQD5GL4ZTOE6C4IW7OJQF4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:FT4NLQD5GL4ZTOE6C4IW7OJQF4","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":"5052a23b3cdb70641947cba8b6d7d78fe526c21bde8509c5ee48415469b555ea","cross_cats_sorted":["cs.CL","cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-04-05T19:54:15Z","title_canon_sha256":"316ee5605c47f8c070f4dc563fa06c4ccbd6c2de4d8369cd6577c898e54c72f0"},"schema_version":"1.0","source":{"id":"2104.02128","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.02128","created_at":"2026-07-05T02:29:14Z"},{"alias_kind":"arxiv_version","alias_value":"2104.02128v1","created_at":"2026-07-05T02:29:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.02128","created_at":"2026-07-05T02:29:14Z"},{"alias_kind":"pith_short_12","alias_value":"FT4NLQD5GL4Z","created_at":"2026-07-05T02:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"FT4NLQD5GL4ZTOE6","created_at":"2026-07-05T02:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"FT4NLQD5","created_at":"2026-07-05T02:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:e56e7831e947e03c4dc49d80ac20252d7d9ae0e790fe05423ed8102dce73b672","target":"graph","created_at":"2026-07-05T02:29:14Z","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/2104.02128/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper presents our recent effort on end-to-end speaker-attributed automatic speech recognition, which jointly performs speaker counting, speech recognition and speaker identification for monaural multi-talker audio. Firstly, we thoroughly update the model architecture that was previously designed based on a long short-term memory (LSTM)-based attention encoder decoder by applying transformer architectures. Secondly, we propose a speaker deduplication mechanism to reduce speaker identification errors in highly overlapped regions. Experimental results on the LibriSpeechMix dataset shows tha","authors_text":"Guoli Ye, Naoyuki Kanda, Takuya Yoshioka, Xiaofei Wang, Yashesh Gaur, Zhong Meng, Zhuo Chen","cross_cats":["cs.CL","cs.SD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-04-05T19:54:15Z","title":"End-to-End Speaker-Attributed ASR with Transformer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.02128","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:fd815038ffc687a2d5298de173a9f07dbb22c919789e1b784c72fd0105fbc5cd","target":"record","created_at":"2026-07-05T02:29:14Z","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":"5052a23b3cdb70641947cba8b6d7d78fe526c21bde8509c5ee48415469b555ea","cross_cats_sorted":["cs.CL","cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-04-05T19:54:15Z","title_canon_sha256":"316ee5605c47f8c070f4dc563fa06c4ccbd6c2de4d8369cd6577c898e54c72f0"},"schema_version":"1.0","source":{"id":"2104.02128","kind":"arxiv","version":1}},"canonical_sha256":"2cf8d5c07d32f999b89e17116fb9302f373422aa20d795e3e875fe6eff2e7f84","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2cf8d5c07d32f999b89e17116fb9302f373422aa20d795e3e875fe6eff2e7f84","first_computed_at":"2026-07-05T02:29:14.328797Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:29:14.328797Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8Gn9HzuV7zlPwUDqkuHvVgdWHcdMELUP/h/3Ha27hHP3Ww+hmB1S7Q/3477w4V03M51t9KJEwuWZDh6npRroCA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:29:14.329272Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.02128","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fd815038ffc687a2d5298de173a9f07dbb22c919789e1b784c72fd0105fbc5cd","sha256:e56e7831e947e03c4dc49d80ac20252d7d9ae0e790fe05423ed8102dce73b672"],"state_sha256":"d879efb95d359ba034f7ceaf9e2927f68b5f71566f3c6f5dda17e778d436592e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C8WNYw1W7FBS0EVQDWDys/4m72cbAOhC1sCCCrkl3CuHxWr/lYmhovp99YXjC8H9Y3lOQIQwjrjlkfaaVy7HCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T02:23:21.057246Z","bundle_sha256":"8ddc2ff48cf0c47129a83925a09015cd1c183abdc44f6bcbc833bf6b745376db"}}