{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:6HY33MKKLKPMZMUA7J3NVLCRIR","short_pith_number":"pith:6HY33MKK","canonical_record":{"source":{"id":"2203.03812","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2022-03-08T02:22:28Z","cross_cats_sorted":["eess.AS"],"title_canon_sha256":"889b91e00a4b104dc93c43219f497d50bc3bfd53a81067e49397207bbe40be4b","abstract_canon_sha256":"9c2dd726cfb96c483f973f43a6444b6fee3b94c69f7f295a9c84be345a6dfab4"},"schema_version":"1.0"},"canonical_sha256":"f1f1bdb14a5a9eccb280fa76daac51444d1cec85d5af3dd38568c73a87406c21","source":{"kind":"arxiv","id":"2203.03812","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.03812","created_at":"2026-07-05T04:03:28Z"},{"alias_kind":"arxiv_version","alias_value":"2203.03812v2","created_at":"2026-07-05T04:03:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.03812","created_at":"2026-07-05T04:03:28Z"},{"alias_kind":"pith_short_12","alias_value":"6HY33MKKLKPM","created_at":"2026-07-05T04:03:28Z"},{"alias_kind":"pith_short_16","alias_value":"6HY33MKKLKPMZMUA","created_at":"2026-07-05T04:03:28Z"},{"alias_kind":"pith_short_8","alias_value":"6HY33MKK","created_at":"2026-07-05T04:03:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:6HY33MKKLKPMZMUA7J3NVLCRIR","target":"record","payload":{"canonical_record":{"source":{"id":"2203.03812","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2022-03-08T02:22:28Z","cross_cats_sorted":["eess.AS"],"title_canon_sha256":"889b91e00a4b104dc93c43219f497d50bc3bfd53a81067e49397207bbe40be4b","abstract_canon_sha256":"9c2dd726cfb96c483f973f43a6444b6fee3b94c69f7f295a9c84be345a6dfab4"},"schema_version":"1.0"},"canonical_sha256":"f1f1bdb14a5a9eccb280fa76daac51444d1cec85d5af3dd38568c73a87406c21","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:03:28.520123Z","signature_b64":"JRTMWKGin1OQkYXzZUL5FlVSCbleQvCFjx0rNW1fFoEO5gRBYWqtdYyXqz6pWQPKIAMT55x4wyPoMaWoxhnBCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f1f1bdb14a5a9eccb280fa76daac51444d1cec85d5af3dd38568c73a87406c21","last_reissued_at":"2026-07-05T04:03:28.519767Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:03:28.519767Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2203.03812","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:03:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"px/qJXreDkMv+j7g3CExD8kls2U9NPXP4WsUTALh5ehQQ6z4tv4XxIwMy1GhAini1E8gM6/TFeCaU8VxqR2WBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T17:17:34.046645Z"},"content_sha256":"60163ac4d7718b6e5d4bea582942fc49fc964ee9c805c838d27eeb66abc35abc","schema_version":"1.0","event_id":"sha256:60163ac4d7718b6e5d4bea582942fc49fc964ee9c805c838d27eeb66abc35abc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:6HY33MKKLKPMZMUA7J3NVLCRIR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SpeechFormer: A Hierarchical Efficient Framework Incorporating the Characteristics of Speech","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.AS"],"primary_cat":"cs.SD","authors_text":"Jianxin Pang, Lan Du, Weidong Chen, Xiangmin Xu, Xiaofen Xing","submitted_at":"2022-03-08T02:22:28Z","abstract_excerpt":"Transformer has obtained promising results on cognitive speech signal processing field, which is of interest in various applications ranging from emotion to neurocognitive disorder analysis. However, most works treat speech signal as a whole, leading to the neglect of the pronunciation structure that is unique to speech and reflects the cognitive process. Meanwhile, Transformer has heavy computational burden due to its full attention operation. In this paper, a hierarchical efficient framework, called SpeechFormer, which considers the structural characteristics of speech, is proposed and can b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.03812","kind":"arxiv","version":2},"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/2203.03812/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":"2026-07-05T04:03:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GV4ZHoXCaEEDRgRUumRNvVdsnLDcf72rk3EOrcgRhBOOResJoPibO0zCJHKW8xLVu5ALegeExFVDXTVVYItRCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T17:17:34.047221Z"},"content_sha256":"d404f714c6fdca697b83a98d5c877542d7b8a135009aa7feb9e95903e56678c6","schema_version":"1.0","event_id":"sha256:d404f714c6fdca697b83a98d5c877542d7b8a135009aa7feb9e95903e56678c6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6HY33MKKLKPMZMUA7J3NVLCRIR/bundle.json","state_url":"https://pith.science/pith/6HY33MKKLKPMZMUA7J3NVLCRIR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6HY33MKKLKPMZMUA7J3NVLCRIR/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":"2026-08-15T17:17:34Z","links":{"resolver":"https://pith.science/pith/6HY33MKKLKPMZMUA7J3NVLCRIR","bundle":"https://pith.science/pith/6HY33MKKLKPMZMUA7J3NVLCRIR/bundle.json","state":"https://pith.science/pith/6HY33MKKLKPMZMUA7J3NVLCRIR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6HY33MKKLKPMZMUA7J3NVLCRIR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:6HY33MKKLKPMZMUA7J3NVLCRIR","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":"9c2dd726cfb96c483f973f43a6444b6fee3b94c69f7f295a9c84be345a6dfab4","cross_cats_sorted":["eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2022-03-08T02:22:28Z","title_canon_sha256":"889b91e00a4b104dc93c43219f497d50bc3bfd53a81067e49397207bbe40be4b"},"schema_version":"1.0","source":{"id":"2203.03812","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.03812","created_at":"2026-07-05T04:03:28Z"},{"alias_kind":"arxiv_version","alias_value":"2203.03812v2","created_at":"2026-07-05T04:03:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.03812","created_at":"2026-07-05T04:03:28Z"},{"alias_kind":"pith_short_12","alias_value":"6HY33MKKLKPM","created_at":"2026-07-05T04:03:28Z"},{"alias_kind":"pith_short_16","alias_value":"6HY33MKKLKPMZMUA","created_at":"2026-07-05T04:03:28Z"},{"alias_kind":"pith_short_8","alias_value":"6HY33MKK","created_at":"2026-07-05T04:03:28Z"}],"graph_snapshots":[{"event_id":"sha256:d404f714c6fdca697b83a98d5c877542d7b8a135009aa7feb9e95903e56678c6","target":"graph","created_at":"2026-07-05T04:03:28Z","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/2203.03812/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Transformer has obtained promising results on cognitive speech signal processing field, which is of interest in various applications ranging from emotion to neurocognitive disorder analysis. However, most works treat speech signal as a whole, leading to the neglect of the pronunciation structure that is unique to speech and reflects the cognitive process. Meanwhile, Transformer has heavy computational burden due to its full attention operation. In this paper, a hierarchical efficient framework, called SpeechFormer, which considers the structural characteristics of speech, is proposed and can b","authors_text":"Jianxin Pang, Lan Du, Weidong Chen, Xiangmin Xu, Xiaofen Xing","cross_cats":["eess.AS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2022-03-08T02:22:28Z","title":"SpeechFormer: A Hierarchical Efficient Framework Incorporating the Characteristics of Speech"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.03812","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":"sha256:60163ac4d7718b6e5d4bea582942fc49fc964ee9c805c838d27eeb66abc35abc","target":"record","created_at":"2026-07-05T04:03:28Z","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":"9c2dd726cfb96c483f973f43a6444b6fee3b94c69f7f295a9c84be345a6dfab4","cross_cats_sorted":["eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2022-03-08T02:22:28Z","title_canon_sha256":"889b91e00a4b104dc93c43219f497d50bc3bfd53a81067e49397207bbe40be4b"},"schema_version":"1.0","source":{"id":"2203.03812","kind":"arxiv","version":2}},"canonical_sha256":"f1f1bdb14a5a9eccb280fa76daac51444d1cec85d5af3dd38568c73a87406c21","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f1f1bdb14a5a9eccb280fa76daac51444d1cec85d5af3dd38568c73a87406c21","first_computed_at":"2026-07-05T04:03:28.519767Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:03:28.519767Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JRTMWKGin1OQkYXzZUL5FlVSCbleQvCFjx0rNW1fFoEO5gRBYWqtdYyXqz6pWQPKIAMT55x4wyPoMaWoxhnBCw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:03:28.520123Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.03812","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:60163ac4d7718b6e5d4bea582942fc49fc964ee9c805c838d27eeb66abc35abc","sha256:d404f714c6fdca697b83a98d5c877542d7b8a135009aa7feb9e95903e56678c6"],"state_sha256":"d67324667c932639a32b3b6e67c358848b76795f727fbbb1052573585062a551"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vv+i3fRs1YGv/cx8JSxr2a9ULLCx5iTQNtTHPOnv/TbNB/ZQA2TQg/0DvCZSCPa4j17BbG2pJLh2KF09Ae6gAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T17:17:34.051134Z","bundle_sha256":"ce570de531d5bb20934a35c1885b291ecd918a4d9d8285bd0b153d669e738b9f"}}