{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:OIIQ57KBDSKUINR7VH22IQLANH","short_pith_number":"pith:OIIQ57KB","canonical_record":{"source":{"id":"2509.22148","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2025-09-26T10:07:27Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"60235c324374687dd0defdf27dc1ae61f2e21d48528204fcd02aa56b51599661","abstract_canon_sha256":"fbfbdf401fa7ae0874eb426c75a00853c0e2abb5da44a5715499c990079a3824"},"schema_version":"1.0"},"canonical_sha256":"72110efd411c9544363fa9f5a4416069da9b9aa08e5915fe0be1a5e9e1e58141","source":{"kind":"arxiv","id":"2509.22148","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.22148","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"arxiv_version","alias_value":"2509.22148v2","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.22148","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"pith_short_12","alias_value":"OIIQ57KBDSKU","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"pith_short_16","alias_value":"OIIQ57KBDSKUINR7","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"pith_short_8","alias_value":"OIIQ57KB","created_at":"2026-06-10T01:09:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:OIIQ57KBDSKUINR7VH22IQLANH","target":"record","payload":{"canonical_record":{"source":{"id":"2509.22148","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2025-09-26T10:07:27Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"60235c324374687dd0defdf27dc1ae61f2e21d48528204fcd02aa56b51599661","abstract_canon_sha256":"fbfbdf401fa7ae0874eb426c75a00853c0e2abb5da44a5715499c990079a3824"},"schema_version":"1.0"},"canonical_sha256":"72110efd411c9544363fa9f5a4416069da9b9aa08e5915fe0be1a5e9e1e58141","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-10T01:09:43.865561Z","signature_b64":"jYMmRWET+XMy1oTr37hgNQA+PFXjxvah3v+/FI7o6k9imgopzIv1MI/KkJYwy70rGCC3QxAoeqEw7hNrQyDjDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"72110efd411c9544363fa9f5a4416069da9b9aa08e5915fe0be1a5e9e1e58141","last_reissued_at":"2026-06-10T01:09:43.865005Z","signature_status":"signed_v1","first_computed_at":"2026-06-10T01:09:43.865005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2509.22148","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":"2026-06-10T01:09:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KFEGW0b8ClypKuSW1MB28+pDvrSJV31BASIHAPxl2nCdAKPVqnGlNhXI2Nteom5K07jtHf+Wv9BfkMnI9cNGAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T23:53:38.027927Z"},"content_sha256":"5d7affa450d56618ee36c81736718ee0678e310ead3539c1f1157ec2590a9d99","schema_version":"1.0","event_id":"sha256:5d7affa450d56618ee36c81736718ee0678e310ead3539c1f1157ec2590a9d99"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:OIIQ57KBDSKUINR7VH22IQLANH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Speaker Anonymisation for Speech-based Suicide Risk Detection","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.SD"],"primary_cat":"eess.AS","authors_text":"Chang Lei, Chao Zhang, Diyang Qu, Runsen Chen, Sike Jia, Wen Wu, Yang Lin, Yinan Duan, Ziyun Cui","submitted_at":"2025-09-26T10:07:27Z","abstract_excerpt":"Adolescent suicide is a critical global health issue, and speech provides a cost-effective modality for automatic suicide risk detection. Given the vulnerable population, protecting speaker identity is particularly important, as speech itself can reveal personally identifiable information if the data is leaked or maliciously exploited. This work presents the first systematic study of speaker anonymisation for speech-based suicide risk detection. A broad range of anonymisation methods are investigated, including techniques based on traditional signal processing, neural voice conversion, and spe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.22148","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/2509.22148/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":"2026-06-10T01:09:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Biq6w4nZ2yMthTMxEybQTYWhEVzaUlwoyiCZE7DKM2yzAyna0rXHB/Xd75if7zAhZVuVhUf27L+BhPiBCrPzBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T23:53:38.028704Z"},"content_sha256":"c99d1256c8b15dbbebc4b2324e9322a4362d2489dc680d853a849b8b66b7da9b","schema_version":"1.0","event_id":"sha256:c99d1256c8b15dbbebc4b2324e9322a4362d2489dc680d853a849b8b66b7da9b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OIIQ57KBDSKUINR7VH22IQLANH/bundle.json","state_url":"https://pith.science/pith/OIIQ57KBDSKUINR7VH22IQLANH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OIIQ57KBDSKUINR7VH22IQLANH/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":"2026-06-10T23:53:38Z","links":{"resolver":"https://pith.science/pith/OIIQ57KBDSKUINR7VH22IQLANH","bundle":"https://pith.science/pith/OIIQ57KBDSKUINR7VH22IQLANH/bundle.json","state":"https://pith.science/pith/OIIQ57KBDSKUINR7VH22IQLANH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OIIQ57KBDSKUINR7VH22IQLANH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:OIIQ57KBDSKUINR7VH22IQLANH","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":"fbfbdf401fa7ae0874eb426c75a00853c0e2abb5da44a5715499c990079a3824","cross_cats_sorted":["cs.SD"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2025-09-26T10:07:27Z","title_canon_sha256":"60235c324374687dd0defdf27dc1ae61f2e21d48528204fcd02aa56b51599661"},"schema_version":"1.0","source":{"id":"2509.22148","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.22148","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"arxiv_version","alias_value":"2509.22148v2","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.22148","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"pith_short_12","alias_value":"OIIQ57KBDSKU","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"pith_short_16","alias_value":"OIIQ57KBDSKUINR7","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"pith_short_8","alias_value":"OIIQ57KB","created_at":"2026-06-10T01:09:43Z"}],"graph_snapshots":[{"event_id":"sha256:c99d1256c8b15dbbebc4b2324e9322a4362d2489dc680d853a849b8b66b7da9b","target":"graph","created_at":"2026-06-10T01:09:43Z","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/2509.22148/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Adolescent suicide is a critical global health issue, and speech provides a cost-effective modality for automatic suicide risk detection. Given the vulnerable population, protecting speaker identity is particularly important, as speech itself can reveal personally identifiable information if the data is leaked or maliciously exploited. This work presents the first systematic study of speaker anonymisation for speech-based suicide risk detection. A broad range of anonymisation methods are investigated, including techniques based on traditional signal processing, neural voice conversion, and spe","authors_text":"Chang Lei, Chao Zhang, Diyang Qu, Runsen Chen, Sike Jia, Wen Wu, Yang Lin, Yinan Duan, Ziyun Cui","cross_cats":["cs.SD"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2025-09-26T10:07:27Z","title":"Speaker Anonymisation for Speech-based Suicide Risk Detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.22148","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":"sha256:5d7affa450d56618ee36c81736718ee0678e310ead3539c1f1157ec2590a9d99","target":"record","created_at":"2026-06-10T01:09:43Z","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":"fbfbdf401fa7ae0874eb426c75a00853c0e2abb5da44a5715499c990079a3824","cross_cats_sorted":["cs.SD"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2025-09-26T10:07:27Z","title_canon_sha256":"60235c324374687dd0defdf27dc1ae61f2e21d48528204fcd02aa56b51599661"},"schema_version":"1.0","source":{"id":"2509.22148","kind":"arxiv","version":2}},"canonical_sha256":"72110efd411c9544363fa9f5a4416069da9b9aa08e5915fe0be1a5e9e1e58141","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"72110efd411c9544363fa9f5a4416069da9b9aa08e5915fe0be1a5e9e1e58141","first_computed_at":"2026-06-10T01:09:43.865005Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-10T01:09:43.865005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jYMmRWET+XMy1oTr37hgNQA+PFXjxvah3v+/FI7o6k9imgopzIv1MI/KkJYwy70rGCC3QxAoeqEw7hNrQyDjDw==","signature_status":"signed_v1","signed_at":"2026-06-10T01:09:43.865561Z","signed_message":"canonical_sha256_bytes"},"source_id":"2509.22148","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d7affa450d56618ee36c81736718ee0678e310ead3539c1f1157ec2590a9d99","sha256:c99d1256c8b15dbbebc4b2324e9322a4362d2489dc680d853a849b8b66b7da9b"],"state_sha256":"2a42cde7cf7ac7c4ce918b45dacdc71a2ed2203ff7dee259f53246a70b3faa11"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yh2yUR3j+a8fnA9wIVq9T2wZmkBBHztKmJyEsoCAABgFypz3LTlYVWzLEdRamgXCiyaM2uWORp5FKFFucot/BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T23:53:38.032459Z","bundle_sha256":"88f24229fd11fed54f66326698c9eb62f9f749a188528d1623700c58f8b461bf"}}