{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:UNUVJML2QQ6NWANJCWYTG55XFS","short_pith_number":"pith:UNUVJML2","canonical_record":{"source":{"id":"2110.14142","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-10-27T03:07:11Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"bbe9d57a62cc747a08559c93a57567eda4f4cf55302a267dac7c7c1eabaad440","abstract_canon_sha256":"1c45d003be913416a9a089ed261a4238d54528e589ac7375aa147e981495bafa"},"schema_version":"1.0"},"canonical_sha256":"a36954b17a843cdb01a915b13377b72cb424cee26fb83b6ee5e22586944f7295","source":{"kind":"arxiv","id":"2110.14142","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.14142","created_at":"2026-07-05T03:32:39Z"},{"alias_kind":"arxiv_version","alias_value":"2110.14142v2","created_at":"2026-07-05T03:32:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.14142","created_at":"2026-07-05T03:32:39Z"},{"alias_kind":"pith_short_12","alias_value":"UNUVJML2QQ6N","created_at":"2026-07-05T03:32:39Z"},{"alias_kind":"pith_short_16","alias_value":"UNUVJML2QQ6NWANJ","created_at":"2026-07-05T03:32:39Z"},{"alias_kind":"pith_short_8","alias_value":"UNUVJML2","created_at":"2026-07-05T03:32:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:UNUVJML2QQ6NWANJCWYTG55XFS","target":"record","payload":{"canonical_record":{"source":{"id":"2110.14142","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-10-27T03:07:11Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"bbe9d57a62cc747a08559c93a57567eda4f4cf55302a267dac7c7c1eabaad440","abstract_canon_sha256":"1c45d003be913416a9a089ed261a4238d54528e589ac7375aa147e981495bafa"},"schema_version":"1.0"},"canonical_sha256":"a36954b17a843cdb01a915b13377b72cb424cee26fb83b6ee5e22586944f7295","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:32:39.295227Z","signature_b64":"s8YUKLGahcSRjEa8lQHYHeahtOtMcfuBLz3w+Aew+bU9QZDNlrS78WzvDTznTL7Dfhg/SJ3umhaf8+7jawzNAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a36954b17a843cdb01a915b13377b72cb424cee26fb83b6ee5e22586944f7295","last_reissued_at":"2026-07-05T03:32:39.294555Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:32:39.294555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2110.14142","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":"2026-07-05T03:32:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hnsaWU6/Df2pO/7ZQ5MfQq5IbbkZKDqQBPJ5i7xAZFQhcvoHtQozm8sb5Mzx/M99OkMqL4dN9iW6dRaufOIPAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T21:34:06.106699Z"},"content_sha256":"86daa11e3227c84be3ecd0076fe10f2fdbcbbc8b9f0e9e50adc0a160a52fb57a","schema_version":"1.0","event_id":"sha256:86daa11e3227c84be3ecd0076fe10f2fdbcbbc8b9f0e9e50adc0a160a52fb57a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:UNUVJML2QQ6NWANJCWYTG55XFS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Separating Long-Form Speech with Group-Wise Permutation Invariant Training","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SD"],"primary_cat":"eess.AS","authors_text":"Furu Wei, Jinyu Li, Naoyuki Kanda, Sefik Emre Eskimez, Shujie Liu, Takuya Yoshioka, Wangyou Zhang, Xiong Xiao, Yanmin Qian, Zhong Meng, Zhuo Chen","submitted_at":"2021-10-27T03:07:11Z","abstract_excerpt":"Multi-talker conversational speech processing has drawn many interests for various applications such as meeting transcription. Speech separation is often required to handle overlapped speech that is commonly observed in conversation. Although the original utterancelevel permutation invariant training-based continuous speech separation approach has proven to be effective in various conditions, it lacks the ability to leverage the long-span relationship of utterances and is computationally inefficient due to the highly overlapped sliding windows. To overcome these drawbacks, we propose a novel t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.14142","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/2110.14142/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":"2026-07-05T03:32:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cix4EtznwqBnkaz/WP4y0ikovXsjgYAxZD+sHdJON5nk3Dj3FLGhZjJWeuKRhbe0z1NCCG7hesTqOgsa8T1WAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T21:34:06.107229Z"},"content_sha256":"08449cb16807369860f570c34cd1c023b492b0f53523a2a74ffa9443d8b73669","schema_version":"1.0","event_id":"sha256:08449cb16807369860f570c34cd1c023b492b0f53523a2a74ffa9443d8b73669"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UNUVJML2QQ6NWANJCWYTG55XFS/bundle.json","state_url":"https://pith.science/pith/UNUVJML2QQ6NWANJCWYTG55XFS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UNUVJML2QQ6NWANJCWYTG55XFS/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":"2026-08-08T21:34:06Z","links":{"resolver":"https://pith.science/pith/UNUVJML2QQ6NWANJCWYTG55XFS","bundle":"https://pith.science/pith/UNUVJML2QQ6NWANJCWYTG55XFS/bundle.json","state":"https://pith.science/pith/UNUVJML2QQ6NWANJCWYTG55XFS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UNUVJML2QQ6NWANJCWYTG55XFS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:UNUVJML2QQ6NWANJCWYTG55XFS","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":"1c45d003be913416a9a089ed261a4238d54528e589ac7375aa147e981495bafa","cross_cats_sorted":["cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-10-27T03:07:11Z","title_canon_sha256":"bbe9d57a62cc747a08559c93a57567eda4f4cf55302a267dac7c7c1eabaad440"},"schema_version":"1.0","source":{"id":"2110.14142","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.14142","created_at":"2026-07-05T03:32:39Z"},{"alias_kind":"arxiv_version","alias_value":"2110.14142v2","created_at":"2026-07-05T03:32:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.14142","created_at":"2026-07-05T03:32:39Z"},{"alias_kind":"pith_short_12","alias_value":"UNUVJML2QQ6N","created_at":"2026-07-05T03:32:39Z"},{"alias_kind":"pith_short_16","alias_value":"UNUVJML2QQ6NWANJ","created_at":"2026-07-05T03:32:39Z"},{"alias_kind":"pith_short_8","alias_value":"UNUVJML2","created_at":"2026-07-05T03:32:39Z"}],"graph_snapshots":[{"event_id":"sha256:08449cb16807369860f570c34cd1c023b492b0f53523a2a74ffa9443d8b73669","target":"graph","created_at":"2026-07-05T03:32:39Z","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/2110.14142/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multi-talker conversational speech processing has drawn many interests for various applications such as meeting transcription. Speech separation is often required to handle overlapped speech that is commonly observed in conversation. Although the original utterancelevel permutation invariant training-based continuous speech separation approach has proven to be effective in various conditions, it lacks the ability to leverage the long-span relationship of utterances and is computationally inefficient due to the highly overlapped sliding windows. To overcome these drawbacks, we propose a novel t","authors_text":"Furu Wei, Jinyu Li, Naoyuki Kanda, Sefik Emre Eskimez, Shujie Liu, Takuya Yoshioka, Wangyou Zhang, Xiong Xiao, Yanmin Qian, Zhong Meng, Zhuo Chen","cross_cats":["cs.SD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-10-27T03:07:11Z","title":"Separating Long-Form Speech with Group-Wise Permutation Invariant Training"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.14142","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":"sha256:86daa11e3227c84be3ecd0076fe10f2fdbcbbc8b9f0e9e50adc0a160a52fb57a","target":"record","created_at":"2026-07-05T03:32:39Z","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":"1c45d003be913416a9a089ed261a4238d54528e589ac7375aa147e981495bafa","cross_cats_sorted":["cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-10-27T03:07:11Z","title_canon_sha256":"bbe9d57a62cc747a08559c93a57567eda4f4cf55302a267dac7c7c1eabaad440"},"schema_version":"1.0","source":{"id":"2110.14142","kind":"arxiv","version":2}},"canonical_sha256":"a36954b17a843cdb01a915b13377b72cb424cee26fb83b6ee5e22586944f7295","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a36954b17a843cdb01a915b13377b72cb424cee26fb83b6ee5e22586944f7295","first_computed_at":"2026-07-05T03:32:39.294555Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:32:39.294555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s8YUKLGahcSRjEa8lQHYHeahtOtMcfuBLz3w+Aew+bU9QZDNlrS78WzvDTznTL7Dfhg/SJ3umhaf8+7jawzNAg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:32:39.295227Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.14142","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:86daa11e3227c84be3ecd0076fe10f2fdbcbbc8b9f0e9e50adc0a160a52fb57a","sha256:08449cb16807369860f570c34cd1c023b492b0f53523a2a74ffa9443d8b73669"],"state_sha256":"19b2174924af248903a9954f89ddb862df07660026375b3c12da873779fe6049"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h/sFW1LdYgyRxR9MNAUr2QlNqv18Pbc80l5g9v/c7GjHUYBXRS0SoLnXBUCVcpq3t25ly8TypTi0U0X/Owd5AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T21:34:06.112360Z","bundle_sha256":"2642e00f1cf60ec4690d6c83a5778f607eb71f04c997f3669d1f8e740e0e099f"}}