{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:DLLK6AIRMWXBIGGYNC4FYWAXIK","short_pith_number":"pith:DLLK6AIR","canonical_record":{"source":{"id":"2204.09976","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2022-04-21T09:04:12Z","cross_cats_sorted":["eess.AS"],"title_canon_sha256":"321abc3b4422db4037ab5d1f58ed3d944c75046a985c0bda66808e53ff629ef5","abstract_canon_sha256":"a24f685487f8adc00da12d1aff1fa14a7499f37fd201a7793988737eca4959cf"},"schema_version":"1.0"},"canonical_sha256":"1ad6af011165ae1418d868b85c581742a4bcf07f74a447f9abfaaab7340075ce","source":{"kind":"arxiv","id":"2204.09976","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.09976","created_at":"2026-07-05T04:16:45Z"},{"alias_kind":"arxiv_version","alias_value":"2204.09976v1","created_at":"2026-07-05T04:16:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.09976","created_at":"2026-07-05T04:16:45Z"},{"alias_kind":"pith_short_12","alias_value":"DLLK6AIRMWXB","created_at":"2026-07-05T04:16:45Z"},{"alias_kind":"pith_short_16","alias_value":"DLLK6AIRMWXBIGGY","created_at":"2026-07-05T04:16:45Z"},{"alias_kind":"pith_short_8","alias_value":"DLLK6AIR","created_at":"2026-07-05T04:16:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:DLLK6AIRMWXBIGGYNC4FYWAXIK","target":"record","payload":{"canonical_record":{"source":{"id":"2204.09976","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2022-04-21T09:04:12Z","cross_cats_sorted":["eess.AS"],"title_canon_sha256":"321abc3b4422db4037ab5d1f58ed3d944c75046a985c0bda66808e53ff629ef5","abstract_canon_sha256":"a24f685487f8adc00da12d1aff1fa14a7499f37fd201a7793988737eca4959cf"},"schema_version":"1.0"},"canonical_sha256":"1ad6af011165ae1418d868b85c581742a4bcf07f74a447f9abfaaab7340075ce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:16:45.399682Z","signature_b64":"SkxMqyZ1gaCwBho0DX0ryXNt0NifmXcwq4snsMx7W/bE2OvvQOALnE/eU+dzTV3BW7fXsd7BFPbjX9UH2OzOAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1ad6af011165ae1418d868b85c581742a4bcf07f74a447f9abfaaab7340075ce","last_reissued_at":"2026-07-05T04:16:45.399139Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:16:45.399139Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2204.09976","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":"2026-07-05T04:16:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B5UGFOWw0ta9euLX4rlpjJhFWnxAMhl1L9iimG3kx0eTSN0SdCGkC32LO6X6zL6pPMAiFWhFIBDveTP7csb1DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:26:53.773444Z"},"content_sha256":"02aa5313f37c05d9d97ca0143b97657f73db9fe6f7c76df0628a8838db1cae2e","schema_version":"1.0","event_id":"sha256:02aa5313f37c05d9d97ca0143b97657f73db9fe6f7c76df0628a8838db1cae2e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:DLLK6AIRMWXBIGGYNC4FYWAXIK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Baseline Systems for the First Spoofing-Aware Speaker Verification Challenge: Score and Embedding Fusion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.AS"],"primary_cat":"cs.SD","authors_text":"Bong-Jin Lee, Ha-Jin Yu, H\\'ector Delgado, Hee-Soo Heo, Hemlata Tak, Hye-Jin Shim, Jee-weon Jung, Joon Son Chung, Kong Aik Lee, Massimiliano Todisco, Md Sahidullah, Nicholas Evans, Soo-Whan Chung, Tomi Kinnunen, Xuechen Liu","submitted_at":"2022-04-21T09:04:12Z","abstract_excerpt":"Deep learning has brought impressive progress in the study of both automatic speaker verification (ASV) and spoofing countermeasures (CM). Although solutions are mutually dependent, they have typically evolved as standalone sub-systems whereby CM solutions are usually designed for a fixed ASV system. The work reported in this paper aims to gauge the improvements in reliability that can be gained from their closer integration. Results derived using the popular ASVspoof2019 dataset indicate that the equal error rate (EER) of a state-of-the-art ASV system degrades from 1.63% to 23.83% when the ev"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.09976","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/2204.09976/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":"2026-07-05T04:16:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uAWfG5rIw2DdTDPO1blohpLmfLA8yLXNfp6TEnLaeOn1pp7F9WrJrvXr0f+NoY5nvgqouDQs2IBK1sKZaJ15BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:26:53.774088Z"},"content_sha256":"7930d15ae72523e0fa0f103b18bd163de686b31c38f6873112fc93cd1f6161bb","schema_version":"1.0","event_id":"sha256:7930d15ae72523e0fa0f103b18bd163de686b31c38f6873112fc93cd1f6161bb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DLLK6AIRMWXBIGGYNC4FYWAXIK/bundle.json","state_url":"https://pith.science/pith/DLLK6AIRMWXBIGGYNC4FYWAXIK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DLLK6AIRMWXBIGGYNC4FYWAXIK/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":"2026-08-03T19:26:53Z","links":{"resolver":"https://pith.science/pith/DLLK6AIRMWXBIGGYNC4FYWAXIK","bundle":"https://pith.science/pith/DLLK6AIRMWXBIGGYNC4FYWAXIK/bundle.json","state":"https://pith.science/pith/DLLK6AIRMWXBIGGYNC4FYWAXIK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DLLK6AIRMWXBIGGYNC4FYWAXIK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:DLLK6AIRMWXBIGGYNC4FYWAXIK","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":"a24f685487f8adc00da12d1aff1fa14a7499f37fd201a7793988737eca4959cf","cross_cats_sorted":["eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2022-04-21T09:04:12Z","title_canon_sha256":"321abc3b4422db4037ab5d1f58ed3d944c75046a985c0bda66808e53ff629ef5"},"schema_version":"1.0","source":{"id":"2204.09976","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.09976","created_at":"2026-07-05T04:16:45Z"},{"alias_kind":"arxiv_version","alias_value":"2204.09976v1","created_at":"2026-07-05T04:16:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.09976","created_at":"2026-07-05T04:16:45Z"},{"alias_kind":"pith_short_12","alias_value":"DLLK6AIRMWXB","created_at":"2026-07-05T04:16:45Z"},{"alias_kind":"pith_short_16","alias_value":"DLLK6AIRMWXBIGGY","created_at":"2026-07-05T04:16:45Z"},{"alias_kind":"pith_short_8","alias_value":"DLLK6AIR","created_at":"2026-07-05T04:16:45Z"}],"graph_snapshots":[{"event_id":"sha256:7930d15ae72523e0fa0f103b18bd163de686b31c38f6873112fc93cd1f6161bb","target":"graph","created_at":"2026-07-05T04:16:45Z","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/2204.09976/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Deep learning has brought impressive progress in the study of both automatic speaker verification (ASV) and spoofing countermeasures (CM). Although solutions are mutually dependent, they have typically evolved as standalone sub-systems whereby CM solutions are usually designed for a fixed ASV system. The work reported in this paper aims to gauge the improvements in reliability that can be gained from their closer integration. Results derived using the popular ASVspoof2019 dataset indicate that the equal error rate (EER) of a state-of-the-art ASV system degrades from 1.63% to 23.83% when the ev","authors_text":"Bong-Jin Lee, Ha-Jin Yu, H\\'ector Delgado, Hee-Soo Heo, Hemlata Tak, Hye-Jin Shim, Jee-weon Jung, Joon Son Chung, Kong Aik Lee, Massimiliano Todisco, Md Sahidullah, Nicholas Evans, Soo-Whan Chung, Tomi Kinnunen, Xuechen Liu","cross_cats":["eess.AS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2022-04-21T09:04:12Z","title":"Baseline Systems for the First Spoofing-Aware Speaker Verification Challenge: Score and Embedding Fusion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.09976","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":"sha256:02aa5313f37c05d9d97ca0143b97657f73db9fe6f7c76df0628a8838db1cae2e","target":"record","created_at":"2026-07-05T04:16:45Z","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":"a24f685487f8adc00da12d1aff1fa14a7499f37fd201a7793988737eca4959cf","cross_cats_sorted":["eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2022-04-21T09:04:12Z","title_canon_sha256":"321abc3b4422db4037ab5d1f58ed3d944c75046a985c0bda66808e53ff629ef5"},"schema_version":"1.0","source":{"id":"2204.09976","kind":"arxiv","version":1}},"canonical_sha256":"1ad6af011165ae1418d868b85c581742a4bcf07f74a447f9abfaaab7340075ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1ad6af011165ae1418d868b85c581742a4bcf07f74a447f9abfaaab7340075ce","first_computed_at":"2026-07-05T04:16:45.399139Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:16:45.399139Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SkxMqyZ1gaCwBho0DX0ryXNt0NifmXcwq4snsMx7W/bE2OvvQOALnE/eU+dzTV3BW7fXsd7BFPbjX9UH2OzOAA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:16:45.399682Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.09976","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:02aa5313f37c05d9d97ca0143b97657f73db9fe6f7c76df0628a8838db1cae2e","sha256:7930d15ae72523e0fa0f103b18bd163de686b31c38f6873112fc93cd1f6161bb"],"state_sha256":"4813bf723cbfdfa0ec236a93671589fa19ca498d30bea755048bae1977b9eab1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XyROLAv6mkABOY7s/MSjajkGufobJ6dwYx5OKtvAHVbWGneA1eTXhabGSGZl40Sq/b5krngyvp+OuEB2t2eyBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T19:26:53.777997Z","bundle_sha256":"28fc4c9637e52e8245ff769167617eb963f2239b33959016ea7efa80b46efb31"}}