{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:F2PPJ4PTWTJFW5EPKOUFAFOT2G","short_pith_number":"pith:F2PPJ4PT","canonical_record":{"source":{"id":"2104.01471","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2021-04-03T19:58:51Z","cross_cats_sorted":[],"title_canon_sha256":"c3768296e057d187a9df4df63cbd0f504634f473063b826354bb3b695b69f716","abstract_canon_sha256":"263d7ec6bda39e5ed9800c7c89356c4d6dcac7a572c871ce740fe1a38b9a5fe1"},"schema_version":"1.0"},"canonical_sha256":"2e9ef4f1f3b4d25b748f53a85015d3d1a0d75eb6d3d121077f0876f218e82b15","source":{"kind":"arxiv","id":"2104.01471","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.01471","created_at":"2026-07-05T02:29:00Z"},{"alias_kind":"arxiv_version","alias_value":"2104.01471v1","created_at":"2026-07-05T02:29:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.01471","created_at":"2026-07-05T02:29:00Z"},{"alias_kind":"pith_short_12","alias_value":"F2PPJ4PTWTJF","created_at":"2026-07-05T02:29:00Z"},{"alias_kind":"pith_short_16","alias_value":"F2PPJ4PTWTJFW5EP","created_at":"2026-07-05T02:29:00Z"},{"alias_kind":"pith_short_8","alias_value":"F2PPJ4PT","created_at":"2026-07-05T02:29:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:F2PPJ4PTWTJFW5EPKOUFAFOT2G","target":"record","payload":{"canonical_record":{"source":{"id":"2104.01471","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2021-04-03T19:58:51Z","cross_cats_sorted":[],"title_canon_sha256":"c3768296e057d187a9df4df63cbd0f504634f473063b826354bb3b695b69f716","abstract_canon_sha256":"263d7ec6bda39e5ed9800c7c89356c4d6dcac7a572c871ce740fe1a38b9a5fe1"},"schema_version":"1.0"},"canonical_sha256":"2e9ef4f1f3b4d25b748f53a85015d3d1a0d75eb6d3d121077f0876f218e82b15","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:29:00.496665Z","signature_b64":"XlIaFtThsOTeR4aA4ux3gJPUDT1ebGqrBFiKcGvaQqF4DOqHtQGMJkq+ALQgaRwbdnhIfdxFn4pAIg4F1DAhCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e9ef4f1f3b4d25b748f53a85015d3d1a0d75eb6d3d121077f0876f218e82b15","last_reissued_at":"2026-07-05T02:29:00.496296Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:29:00.496296Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2104.01471","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":"2026-07-05T02:29:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MLeztF/zdTlNf8HYP/vAxyH6cei9rADV9hyTqvW7P9uU1lrG/sjPExvnti+mdqkd4pzd7fEOBPFX871F45Q7Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T11:10:23.654446Z"},"content_sha256":"ca0b8e2e0dc6481e1be76e80eedcd8b092674ecc58a6715a62a6ba6971b05bfb","schema_version":"1.0","event_id":"sha256:ca0b8e2e0dc6481e1be76e80eedcd8b092674ecc58a6715a62a6ba6971b05bfb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:F2PPJ4PTWTJFW5EPKOUFAFOT2G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Adversarial Joint Training with Self-Attention Mechanism for Robust End-to-End Speech Recognition","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.AS","authors_text":"Gerhard Rigoll, Ludwig K\\\"urzinger, Lujun Li, Tobias Watzel, Yikai Kang, Yuchen Shi","submitted_at":"2021-04-03T19:58:51Z","abstract_excerpt":"Lately, the self-attention mechanism has marked a new milestone in the field of automatic speech recognition (ASR). Nevertheless, its performance is susceptible to environmental intrusions as the system predicts the next output symbol depending on the full input sequence and the previous predictions. Inspired by the extensive applications of the generative adversarial networks (GANs) in speech enhancement and ASR tasks, we propose an adversarial joint training framework with the self-attention mechanism to boost the noise robustness of the ASR system. Generally, it consists of a self-attention"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.01471","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/2104.01471/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":"2026-07-05T02:29:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"98ScdJvoKSMm5cmeika/JM3GXfrlxtw5m/B/zzOhSP/lqNCquSPD9h7RCNcTY3PVwc/D9bS6/gor8NqC7HIJCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T11:10:23.654975Z"},"content_sha256":"b2e40122fd1996bb432d7dc28f11be2db12ff812a05aafbe3d55237dd34dc377","schema_version":"1.0","event_id":"sha256:b2e40122fd1996bb432d7dc28f11be2db12ff812a05aafbe3d55237dd34dc377"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F2PPJ4PTWTJFW5EPKOUFAFOT2G/bundle.json","state_url":"https://pith.science/pith/F2PPJ4PTWTJFW5EPKOUFAFOT2G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F2PPJ4PTWTJFW5EPKOUFAFOT2G/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":"2026-08-20T11:10:23Z","links":{"resolver":"https://pith.science/pith/F2PPJ4PTWTJFW5EPKOUFAFOT2G","bundle":"https://pith.science/pith/F2PPJ4PTWTJFW5EPKOUFAFOT2G/bundle.json","state":"https://pith.science/pith/F2PPJ4PTWTJFW5EPKOUFAFOT2G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F2PPJ4PTWTJFW5EPKOUFAFOT2G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:F2PPJ4PTWTJFW5EPKOUFAFOT2G","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":"263d7ec6bda39e5ed9800c7c89356c4d6dcac7a572c871ce740fe1a38b9a5fe1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2021-04-03T19:58:51Z","title_canon_sha256":"c3768296e057d187a9df4df63cbd0f504634f473063b826354bb3b695b69f716"},"schema_version":"1.0","source":{"id":"2104.01471","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.01471","created_at":"2026-07-05T02:29:00Z"},{"alias_kind":"arxiv_version","alias_value":"2104.01471v1","created_at":"2026-07-05T02:29:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.01471","created_at":"2026-07-05T02:29:00Z"},{"alias_kind":"pith_short_12","alias_value":"F2PPJ4PTWTJF","created_at":"2026-07-05T02:29:00Z"},{"alias_kind":"pith_short_16","alias_value":"F2PPJ4PTWTJFW5EP","created_at":"2026-07-05T02:29:00Z"},{"alias_kind":"pith_short_8","alias_value":"F2PPJ4PT","created_at":"2026-07-05T02:29:00Z"}],"graph_snapshots":[{"event_id":"sha256:b2e40122fd1996bb432d7dc28f11be2db12ff812a05aafbe3d55237dd34dc377","target":"graph","created_at":"2026-07-05T02:29:00Z","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/2104.01471/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Lately, the self-attention mechanism has marked a new milestone in the field of automatic speech recognition (ASR). Nevertheless, its performance is susceptible to environmental intrusions as the system predicts the next output symbol depending on the full input sequence and the previous predictions. Inspired by the extensive applications of the generative adversarial networks (GANs) in speech enhancement and ASR tasks, we propose an adversarial joint training framework with the self-attention mechanism to boost the noise robustness of the ASR system. Generally, it consists of a self-attention","authors_text":"Gerhard Rigoll, Ludwig K\\\"urzinger, Lujun Li, Tobias Watzel, Yikai Kang, Yuchen Shi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2021-04-03T19:58:51Z","title":"Adversarial Joint Training with Self-Attention Mechanism for Robust End-to-End Speech Recognition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.01471","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:ca0b8e2e0dc6481e1be76e80eedcd8b092674ecc58a6715a62a6ba6971b05bfb","target":"record","created_at":"2026-07-05T02:29:00Z","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":"263d7ec6bda39e5ed9800c7c89356c4d6dcac7a572c871ce740fe1a38b9a5fe1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2021-04-03T19:58:51Z","title_canon_sha256":"c3768296e057d187a9df4df63cbd0f504634f473063b826354bb3b695b69f716"},"schema_version":"1.0","source":{"id":"2104.01471","kind":"arxiv","version":1}},"canonical_sha256":"2e9ef4f1f3b4d25b748f53a85015d3d1a0d75eb6d3d121077f0876f218e82b15","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2e9ef4f1f3b4d25b748f53a85015d3d1a0d75eb6d3d121077f0876f218e82b15","first_computed_at":"2026-07-05T02:29:00.496296Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:29:00.496296Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XlIaFtThsOTeR4aA4ux3gJPUDT1ebGqrBFiKcGvaQqF4DOqHtQGMJkq+ALQgaRwbdnhIfdxFn4pAIg4F1DAhCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:29:00.496665Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.01471","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca0b8e2e0dc6481e1be76e80eedcd8b092674ecc58a6715a62a6ba6971b05bfb","sha256:b2e40122fd1996bb432d7dc28f11be2db12ff812a05aafbe3d55237dd34dc377"],"state_sha256":"7ee75c848a19348e7517962693e28400b4b848bb22a7d925cb8b623c1edb317e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3KPSX1f6Gcnri17okpmryFjH29LzPfDjOxPnteHtSNjQSduM7j+0Ih+kLZzdw9jk4IUOpAFx3J4Y1g3PhU2FAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T11:10:23.660095Z","bundle_sha256":"23921ce2a0e07a7a3c21bbe09dd3cd3c128f8ee62ffc4e53af3c3a2e0874de4a"}}