{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:56JM66TSAHIQDZDOQ5462BMYQZ","short_pith_number":"pith:56JM66TS","canonical_record":{"source":{"id":"2111.00400","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-10-31T03:50:19Z","cross_cats_sorted":["cs.SD","eess.AS"],"title_canon_sha256":"8b2f8d08dedd9ca60580dd00fda6c109146206809f1b4a22914b09bd8385c461","abstract_canon_sha256":"aa3081661e3405abe7e8371784aed3c31126b1ef7738d72769485b84145899f5"},"schema_version":"1.0"},"canonical_sha256":"ef92cf7a7201d101e46e8779ed0598867ab3f47ee7750c8164783bb0773d561b","source":{"kind":"arxiv","id":"2111.00400","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.00400","created_at":"2026-07-05T03:27:42Z"},{"alias_kind":"arxiv_version","alias_value":"2111.00400v1","created_at":"2026-07-05T03:27:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.00400","created_at":"2026-07-05T03:27:42Z"},{"alias_kind":"pith_short_12","alias_value":"56JM66TSAHIQ","created_at":"2026-07-05T03:27:42Z"},{"alias_kind":"pith_short_16","alias_value":"56JM66TSAHIQDZDO","created_at":"2026-07-05T03:27:42Z"},{"alias_kind":"pith_short_8","alias_value":"56JM66TS","created_at":"2026-07-05T03:27:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:56JM66TSAHIQDZDOQ5462BMYQZ","target":"record","payload":{"canonical_record":{"source":{"id":"2111.00400","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-10-31T03:50:19Z","cross_cats_sorted":["cs.SD","eess.AS"],"title_canon_sha256":"8b2f8d08dedd9ca60580dd00fda6c109146206809f1b4a22914b09bd8385c461","abstract_canon_sha256":"aa3081661e3405abe7e8371784aed3c31126b1ef7738d72769485b84145899f5"},"schema_version":"1.0"},"canonical_sha256":"ef92cf7a7201d101e46e8779ed0598867ab3f47ee7750c8164783bb0773d561b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:27:42.288561Z","signature_b64":"lYYH149f1RgEr/S34nCWIdjhpzoGdLf34JEiWZllZ4kL2kwkF6PJNQLXFVIRQ5qw4LQaq0RA9Y004oAVYRV6CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef92cf7a7201d101e46e8779ed0598867ab3f47ee7750c8164783bb0773d561b","last_reissued_at":"2026-07-05T03:27:42.288060Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:27:42.288060Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.00400","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":"2026-07-05T03:27:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MzoebVY5uRuuXCS+iv9eASMSLs9sbRiKq3deQZjH5f3EGlyGZATFzbmPlBV/dRvOO8K9tJw4blA2dQja3vihCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T11:31:26.851228Z"},"content_sha256":"79080ae535d50c0c6501746406564586dcf1595c148dc8526f15cb4279953488","schema_version":"1.0","event_id":"sha256:79080ae535d50c0c6501746406564586dcf1595c148dc8526f15cb4279953488"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:56JM66TSAHIQDZDOQ5462BMYQZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"FANS: Fusing ASR and NLU for on-device SLU","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.SD","eess.AS"],"primary_cat":"cs.CL","authors_text":"Ariya Rastrow, Athanasios Mouchtaris, Martin Radfar, Siegfried Kunzmann","submitted_at":"2021-10-31T03:50:19Z","abstract_excerpt":"Spoken language understanding (SLU) systems translate voice input commands to semantics which are encoded as an intent and pairs of slot tags and values. Most current SLU systems deploy a cascade of two neural models where the first one maps the input audio to a transcript (ASR) and the second predicts the intent and slots from the transcript (NLU). In this paper, we introduce FANS, a new end-to-end SLU model that fuses an ASR audio encoder to a multi-task NLU decoder to infer the intent, slot tags, and slot values directly from a given input audio, obviating the need for transcription. FANS c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.00400","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/2111.00400/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":"2026-07-05T03:27:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"apJBCe/n+xRg56Uu9M/ualhmof2OU1Npz9w8OPPtN3JNSB58MWL0KU4VlGXlO5CtwLOjHvrH4IO73YlrHsh+BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T11:31:26.851959Z"},"content_sha256":"92fdae8d782d738b72a55a4d8edff768af03a4448ac2d2daea93010a3d1fef50","schema_version":"1.0","event_id":"sha256:92fdae8d782d738b72a55a4d8edff768af03a4448ac2d2daea93010a3d1fef50"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/56JM66TSAHIQDZDOQ5462BMYQZ/bundle.json","state_url":"https://pith.science/pith/56JM66TSAHIQDZDOQ5462BMYQZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/56JM66TSAHIQDZDOQ5462BMYQZ/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":"2026-08-01T11:31:26Z","links":{"resolver":"https://pith.science/pith/56JM66TSAHIQDZDOQ5462BMYQZ","bundle":"https://pith.science/pith/56JM66TSAHIQDZDOQ5462BMYQZ/bundle.json","state":"https://pith.science/pith/56JM66TSAHIQDZDOQ5462BMYQZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/56JM66TSAHIQDZDOQ5462BMYQZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:56JM66TSAHIQDZDOQ5462BMYQZ","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":"aa3081661e3405abe7e8371784aed3c31126b1ef7738d72769485b84145899f5","cross_cats_sorted":["cs.SD","eess.AS"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-10-31T03:50:19Z","title_canon_sha256":"8b2f8d08dedd9ca60580dd00fda6c109146206809f1b4a22914b09bd8385c461"},"schema_version":"1.0","source":{"id":"2111.00400","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.00400","created_at":"2026-07-05T03:27:42Z"},{"alias_kind":"arxiv_version","alias_value":"2111.00400v1","created_at":"2026-07-05T03:27:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.00400","created_at":"2026-07-05T03:27:42Z"},{"alias_kind":"pith_short_12","alias_value":"56JM66TSAHIQ","created_at":"2026-07-05T03:27:42Z"},{"alias_kind":"pith_short_16","alias_value":"56JM66TSAHIQDZDO","created_at":"2026-07-05T03:27:42Z"},{"alias_kind":"pith_short_8","alias_value":"56JM66TS","created_at":"2026-07-05T03:27:42Z"}],"graph_snapshots":[{"event_id":"sha256:92fdae8d782d738b72a55a4d8edff768af03a4448ac2d2daea93010a3d1fef50","target":"graph","created_at":"2026-07-05T03:27:42Z","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/2111.00400/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Spoken language understanding (SLU) systems translate voice input commands to semantics which are encoded as an intent and pairs of slot tags and values. Most current SLU systems deploy a cascade of two neural models where the first one maps the input audio to a transcript (ASR) and the second predicts the intent and slots from the transcript (NLU). In this paper, we introduce FANS, a new end-to-end SLU model that fuses an ASR audio encoder to a multi-task NLU decoder to infer the intent, slot tags, and slot values directly from a given input audio, obviating the need for transcription. FANS c","authors_text":"Ariya Rastrow, Athanasios Mouchtaris, Martin Radfar, Siegfried Kunzmann","cross_cats":["cs.SD","eess.AS"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-10-31T03:50:19Z","title":"FANS: Fusing ASR and NLU for on-device SLU"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.00400","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":"sha256:79080ae535d50c0c6501746406564586dcf1595c148dc8526f15cb4279953488","target":"record","created_at":"2026-07-05T03:27:42Z","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":"aa3081661e3405abe7e8371784aed3c31126b1ef7738d72769485b84145899f5","cross_cats_sorted":["cs.SD","eess.AS"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-10-31T03:50:19Z","title_canon_sha256":"8b2f8d08dedd9ca60580dd00fda6c109146206809f1b4a22914b09bd8385c461"},"schema_version":"1.0","source":{"id":"2111.00400","kind":"arxiv","version":1}},"canonical_sha256":"ef92cf7a7201d101e46e8779ed0598867ab3f47ee7750c8164783bb0773d561b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef92cf7a7201d101e46e8779ed0598867ab3f47ee7750c8164783bb0773d561b","first_computed_at":"2026-07-05T03:27:42.288060Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:27:42.288060Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lYYH149f1RgEr/S34nCWIdjhpzoGdLf34JEiWZllZ4kL2kwkF6PJNQLXFVIRQ5qw4LQaq0RA9Y004oAVYRV6CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:27:42.288561Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.00400","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:79080ae535d50c0c6501746406564586dcf1595c148dc8526f15cb4279953488","sha256:92fdae8d782d738b72a55a4d8edff768af03a4448ac2d2daea93010a3d1fef50"],"state_sha256":"0515fd260332b3087c540bbc99a41445bf121778d3b6ae03b9aadac163c6d240"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zSg9JdAGeY0t25yJIl6JtoI9JyTZVLRbVsMZioYuppAs8O0u5TRaeYIVCTscqGMuALML4Mi4EWASIL0UHx3aBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T11:31:26.859248Z","bundle_sha256":"3c0c1a6f7995a5b881b1219d398e19a913011bb5b3b5af61ca7647b9ea2f7f58"}}