{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:YTUHXPFQCB5D6GVIBOEVXDHBWR","short_pith_number":"pith:YTUHXPFQ","canonical_record":{"source":{"id":"2204.05169","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2022-04-11T14:56:05Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"09c69450ca8d3b5172f15dd5bc6821ebbafdcad6f2f84311aa902998bf80f0ae","abstract_canon_sha256":"185c15075080cbdfb20224f4c97f414889b8f75fd4765eef5b1c3a73351b9445"},"schema_version":"1.0"},"canonical_sha256":"c4e87bbcb0107a3f1aa80b895b8ce1b442c5f3bc4de4e3255c8364ba62e4ffd5","source":{"kind":"arxiv","id":"2204.05169","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.05169","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"arxiv_version","alias_value":"2204.05169v1","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.05169","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"pith_short_12","alias_value":"YTUHXPFQCB5D","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"pith_short_16","alias_value":"YTUHXPFQCB5D6GVI","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"pith_short_8","alias_value":"YTUHXPFQ","created_at":"2026-07-05T04:13:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:YTUHXPFQCB5D6GVIBOEVXDHBWR","target":"record","payload":{"canonical_record":{"source":{"id":"2204.05169","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2022-04-11T14:56:05Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"09c69450ca8d3b5172f15dd5bc6821ebbafdcad6f2f84311aa902998bf80f0ae","abstract_canon_sha256":"185c15075080cbdfb20224f4c97f414889b8f75fd4765eef5b1c3a73351b9445"},"schema_version":"1.0"},"canonical_sha256":"c4e87bbcb0107a3f1aa80b895b8ce1b442c5f3bc4de4e3255c8364ba62e4ffd5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:13:18.141357Z","signature_b64":"mIhmvnFAEH25GQqTRy0UR0gKXnT2B+DB6qD1rv8PebrvB1he7SOfyaMJo4TYbxZ9guETpnZHaY1GIhybYbV+Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c4e87bbcb0107a3f1aa80b895b8ce1b442c5f3bc4de4e3255c8364ba62e4ffd5","last_reissued_at":"2026-07-05T04:13:18.140886Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:13:18.140886Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2204.05169","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":"2026-07-05T04:13:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"exqgKoEBaHseBa/lwax6wZEmdjBSoeqob9Serk7mj8qSQFtH+BG4Dw6Tlp+nr6rAUMGVbNf4H03IIS6m8ObACQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T13:49:22.037615Z"},"content_sha256":"c4e2d8cb09b9df2cf2b1d51f3ee0274d4b03b94373436676f4fb91533aee259c","schema_version":"1.0","event_id":"sha256:c4e2d8cb09b9df2cf2b1d51f3ee0274d4b03b94373436676f4fb91533aee259c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:YTUHXPFQCB5D6GVIBOEVXDHBWR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards End-to-End Integration of Dialog History for Improved Spoken Language Understanding","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CL","authors_text":"Brian Kingsbury, Eric Fosler-Lussier, Hong-Kwang J. Kuo, Jatin Ganhotra, Samuel Thomas, Vishal Sunder","submitted_at":"2022-04-11T14:56:05Z","abstract_excerpt":"Dialog history plays an important role in spoken language understanding (SLU) performance in a dialog system. For end-to-end (E2E) SLU, previous work has used dialog history in text form, which makes the model dependent on a cascaded automatic speech recognizer (ASR). This rescinds the benefits of an E2E system which is intended to be compact and robust to ASR errors. In this paper, we propose a hierarchical conversation model that is capable of directly using dialog history in speech form, making it fully E2E. We also distill semantic knowledge from the available gold conversation transcripts"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.05169","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/2204.05169/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":"2026-07-05T04:13:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j0cV+lCYOg9GTrnX+TCxGA3hjhi+f/aYuTwjHnPwt+43LeFuXwoDqyk71qMigBXKU2WPmws/GDVKTKRMaDIkBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T13:49:22.038545Z"},"content_sha256":"5d258216d44e239186522cf6d4e95ea0c23cf2bdf0479993c4f77aa3f5a3c669","schema_version":"1.0","event_id":"sha256:5d258216d44e239186522cf6d4e95ea0c23cf2bdf0479993c4f77aa3f5a3c669"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YTUHXPFQCB5D6GVIBOEVXDHBWR/bundle.json","state_url":"https://pith.science/pith/YTUHXPFQCB5D6GVIBOEVXDHBWR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YTUHXPFQCB5D6GVIBOEVXDHBWR/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":"2026-07-31T13:49:22Z","links":{"resolver":"https://pith.science/pith/YTUHXPFQCB5D6GVIBOEVXDHBWR","bundle":"https://pith.science/pith/YTUHXPFQCB5D6GVIBOEVXDHBWR/bundle.json","state":"https://pith.science/pith/YTUHXPFQCB5D6GVIBOEVXDHBWR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YTUHXPFQCB5D6GVIBOEVXDHBWR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:YTUHXPFQCB5D6GVIBOEVXDHBWR","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":"185c15075080cbdfb20224f4c97f414889b8f75fd4765eef5b1c3a73351b9445","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2022-04-11T14:56:05Z","title_canon_sha256":"09c69450ca8d3b5172f15dd5bc6821ebbafdcad6f2f84311aa902998bf80f0ae"},"schema_version":"1.0","source":{"id":"2204.05169","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.05169","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"arxiv_version","alias_value":"2204.05169v1","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.05169","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"pith_short_12","alias_value":"YTUHXPFQCB5D","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"pith_short_16","alias_value":"YTUHXPFQCB5D6GVI","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"pith_short_8","alias_value":"YTUHXPFQ","created_at":"2026-07-05T04:13:18Z"}],"graph_snapshots":[{"event_id":"sha256:5d258216d44e239186522cf6d4e95ea0c23cf2bdf0479993c4f77aa3f5a3c669","target":"graph","created_at":"2026-07-05T04:13:18Z","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/2204.05169/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Dialog history plays an important role in spoken language understanding (SLU) performance in a dialog system. For end-to-end (E2E) SLU, previous work has used dialog history in text form, which makes the model dependent on a cascaded automatic speech recognizer (ASR). This rescinds the benefits of an E2E system which is intended to be compact and robust to ASR errors. In this paper, we propose a hierarchical conversation model that is capable of directly using dialog history in speech form, making it fully E2E. We also distill semantic knowledge from the available gold conversation transcripts","authors_text":"Brian Kingsbury, Eric Fosler-Lussier, Hong-Kwang J. Kuo, Jatin Ganhotra, Samuel Thomas, Vishal Sunder","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2022-04-11T14:56:05Z","title":"Towards End-to-End Integration of Dialog History for Improved Spoken Language Understanding"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.05169","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:c4e2d8cb09b9df2cf2b1d51f3ee0274d4b03b94373436676f4fb91533aee259c","target":"record","created_at":"2026-07-05T04:13:18Z","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":"185c15075080cbdfb20224f4c97f414889b8f75fd4765eef5b1c3a73351b9445","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2022-04-11T14:56:05Z","title_canon_sha256":"09c69450ca8d3b5172f15dd5bc6821ebbafdcad6f2f84311aa902998bf80f0ae"},"schema_version":"1.0","source":{"id":"2204.05169","kind":"arxiv","version":1}},"canonical_sha256":"c4e87bbcb0107a3f1aa80b895b8ce1b442c5f3bc4de4e3255c8364ba62e4ffd5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c4e87bbcb0107a3f1aa80b895b8ce1b442c5f3bc4de4e3255c8364ba62e4ffd5","first_computed_at":"2026-07-05T04:13:18.140886Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:13:18.140886Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mIhmvnFAEH25GQqTRy0UR0gKXnT2B+DB6qD1rv8PebrvB1he7SOfyaMJo4TYbxZ9guETpnZHaY1GIhybYbV+Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:13:18.141357Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.05169","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c4e2d8cb09b9df2cf2b1d51f3ee0274d4b03b94373436676f4fb91533aee259c","sha256:5d258216d44e239186522cf6d4e95ea0c23cf2bdf0479993c4f77aa3f5a3c669"],"state_sha256":"fa462e1b2df966d4ff2dc93d0eeab4e9731957d6906135166bdb0455a0d9352c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EA9FOF80KMKyVw+2SiZljOkQMWCeXXzLRc/4D3IE1arahQ9sS5dhs7GRazefJDCcZh6nd9u95Jybw8sOxkMqBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T13:49:22.050956Z","bundle_sha256":"b57a2286ecf978aa4c1855af0a1c5d74017070be0fbb41221ee204d79be736f0"}}