{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:E2S7EF6WTM3WL3MBRWRMJLANJU","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":"de40a7b16e1bb4bc1de103584f197cf1f2bea93ff5e4e402c5901b52aeb95f5f","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2017-12-22T17:42:15Z","title_canon_sha256":"f5d0793a49ceadf95353a016f82315f14d4270b831b2519cce8de9dc536bcea1"},"schema_version":"1.0","source":{"id":"1712.09444","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.09444","created_at":"2026-05-17T23:53:51Z"},{"alias_kind":"arxiv_version","alias_value":"1712.09444v2","created_at":"2026-05-17T23:53:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.09444","created_at":"2026-05-17T23:53:51Z"},{"alias_kind":"pith_short_12","alias_value":"E2S7EF6WTM3W","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"E2S7EF6WTM3WL3MB","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"E2S7EF6W","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:518c5b5cf739bdf61f069193687df6733b25ca64add1ea0ef9613ae3e8bbbdb3","target":"graph","created_at":"2026-05-17T23:53:51Z","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"},"paper":{"abstract_excerpt":"In the recent literature, \"end-to-end\" speech systems often refer to letter-based acoustic models trained in a sequence-to-sequence manner, either via a recurrent model or via a structured output learning approach (such as CTC). In contrast to traditional phone (or senone)-based approaches, these \"end-to-end'' approaches alleviate the need of word pronunciation modeling, and do not require a \"forced alignment\" step at training time. Phone-based approaches remain however state of the art on classical benchmarks. In this paper, we propose a letter-based speech recognition system, leveraging a Co","authors_text":"Gabriel Synnaeve, Ronan Collobert, Vitaliy Liptchinsky","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2017-12-22T17:42:15Z","title":"Letter-Based Speech Recognition with Gated ConvNets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.09444","kind":"arxiv","version":2},"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:f26f6c31551c4826cac7df54865468e58cc0ceb6d9bd4a307cf52ae512b3e7fd","target":"record","created_at":"2026-05-17T23:53:51Z","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":"de40a7b16e1bb4bc1de103584f197cf1f2bea93ff5e4e402c5901b52aeb95f5f","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2017-12-22T17:42:15Z","title_canon_sha256":"f5d0793a49ceadf95353a016f82315f14d4270b831b2519cce8de9dc536bcea1"},"schema_version":"1.0","source":{"id":"1712.09444","kind":"arxiv","version":2}},"canonical_sha256":"26a5f217d69b3765ed818da2c4ac0d4d30b2a847b1199d11f1afeed257212d3b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"26a5f217d69b3765ed818da2c4ac0d4d30b2a847b1199d11f1afeed257212d3b","first_computed_at":"2026-05-17T23:53:51.858636Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:51.858636Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Osk7mBgQaEshRC5KlIzyY/v3r/gKJXVebfUG0FvwB8y7mJOfyZ9v+jgpQAuu6MdRd0Ns9PMDGp4CXy7AOMChCg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:51.859285Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.09444","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f26f6c31551c4826cac7df54865468e58cc0ceb6d9bd4a307cf52ae512b3e7fd","sha256:518c5b5cf739bdf61f069193687df6733b25ca64add1ea0ef9613ae3e8bbbdb3"],"state_sha256":"0c1a13baa17736c5417610c4de24846105a01a18a399214fe58b489ea11f56d4"}