{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:BEQ6Z4VU2UQYGIOG4UCRQ3VTTF","short_pith_number":"pith:BEQ6Z4VU","canonical_record":{"source":{"id":"1009.0117","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2010-09-01T08:29:49Z","cross_cats_sorted":[],"title_canon_sha256":"d546b65b27937d99d6ffce9ed3ea6657906528fa12e3d7eefd244e7ac196bc18","abstract_canon_sha256":"b1776130bd04f4c10eb111eb054407223ff7ed30604b7fd00944d4e86436a05a"},"schema_version":"1.0"},"canonical_sha256":"0921ecf2b4d5218321c6e505186eb3994b61bb3ed17db177e281bf02a68fc3e5","source":{"kind":"arxiv","id":"1009.0117","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.0117","created_at":"2026-05-18T04:41:35Z"},{"alias_kind":"arxiv_version","alias_value":"1009.0117v1","created_at":"2026-05-18T04:41:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.0117","created_at":"2026-05-18T04:41:35Z"},{"alias_kind":"pith_short_12","alias_value":"BEQ6Z4VU2UQY","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"BEQ6Z4VU2UQYGIOG","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"BEQ6Z4VU","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:BEQ6Z4VU2UQYGIOG4UCRQ3VTTF","target":"record","payload":{"canonical_record":{"source":{"id":"1009.0117","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2010-09-01T08:29:49Z","cross_cats_sorted":[],"title_canon_sha256":"d546b65b27937d99d6ffce9ed3ea6657906528fa12e3d7eefd244e7ac196bc18","abstract_canon_sha256":"b1776130bd04f4c10eb111eb054407223ff7ed30604b7fd00944d4e86436a05a"},"schema_version":"1.0"},"canonical_sha256":"0921ecf2b4d5218321c6e505186eb3994b61bb3ed17db177e281bf02a68fc3e5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:41:35.494175Z","signature_b64":"2me77ujy87nH7BVqjEfWuDgEhd51SNeLppmzIawEB/sm0Hn9KWNRn7SM7hf/xN+cWKwoz96S/VlBKtWzSvS3AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0921ecf2b4d5218321c6e505186eb3994b61bb3ed17db177e281bf02a68fc3e5","last_reissued_at":"2026-05-18T04:41:35.493680Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:41:35.493680Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1009.0117","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":"2026-05-18T04:41:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lm/rPCNmb9wTBiE4U/XHNGgtgc6v7cHvFSwuDSpmIv1zCqvty2GESdBgM+Pe6QL47GaAIaBs++dN1kU0NvDfAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:09:23.065130Z"},"content_sha256":"5211749a6a9a7c79cc0ec2e08e59a42f64fef6193417a7aec253156d15418607","schema_version":"1.0","event_id":"sha256:5211749a6a9a7c79cc0ec2e08e59a42f64fef6193417a7aec253156d15418607"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:BEQ6Z4VU2UQYGIOG4UCRQ3VTTF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploring Language-Independent Emotional Acoustic Features via Feature Selection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.LG","authors_text":"Arslan Shaukat, Ke Chen","submitted_at":"2010-09-01T08:29:49Z","abstract_excerpt":"We propose a novel feature selection strategy to discover language-independent acoustic features that tend to be responsible for emotions regardless of languages, linguistics and other factors. Experimental results suggest that the language-independent feature subset discovered yields the performance comparable to the full feature set on various emotional speech corpora."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.0117","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":""},"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":"2026-05-18T04:41:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mG7xDirMhq/mlAy2N0X0y0FDLL54FWn056cCkYnxHkLbV9Dk/WHdcNScelIpbcsi7GUyyvUSvRaeCfcGwLVjBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:09:23.065561Z"},"content_sha256":"52999fa90e191ecee3584757053fcb247bfc2eb798cea49c4013f0d60229daf3","schema_version":"1.0","event_id":"sha256:52999fa90e191ecee3584757053fcb247bfc2eb798cea49c4013f0d60229daf3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BEQ6Z4VU2UQYGIOG4UCRQ3VTTF/bundle.json","state_url":"https://pith.science/pith/BEQ6Z4VU2UQYGIOG4UCRQ3VTTF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BEQ6Z4VU2UQYGIOG4UCRQ3VTTF/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":"2026-05-27T13:09:23Z","links":{"resolver":"https://pith.science/pith/BEQ6Z4VU2UQYGIOG4UCRQ3VTTF","bundle":"https://pith.science/pith/BEQ6Z4VU2UQYGIOG4UCRQ3VTTF/bundle.json","state":"https://pith.science/pith/BEQ6Z4VU2UQYGIOG4UCRQ3VTTF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BEQ6Z4VU2UQYGIOG4UCRQ3VTTF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:BEQ6Z4VU2UQYGIOG4UCRQ3VTTF","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":"b1776130bd04f4c10eb111eb054407223ff7ed30604b7fd00944d4e86436a05a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2010-09-01T08:29:49Z","title_canon_sha256":"d546b65b27937d99d6ffce9ed3ea6657906528fa12e3d7eefd244e7ac196bc18"},"schema_version":"1.0","source":{"id":"1009.0117","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.0117","created_at":"2026-05-18T04:41:35Z"},{"alias_kind":"arxiv_version","alias_value":"1009.0117v1","created_at":"2026-05-18T04:41:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.0117","created_at":"2026-05-18T04:41:35Z"},{"alias_kind":"pith_short_12","alias_value":"BEQ6Z4VU2UQY","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"BEQ6Z4VU2UQYGIOG","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"BEQ6Z4VU","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:52999fa90e191ecee3584757053fcb247bfc2eb798cea49c4013f0d60229daf3","target":"graph","created_at":"2026-05-18T04:41:35Z","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"},"paper":{"abstract_excerpt":"We propose a novel feature selection strategy to discover language-independent acoustic features that tend to be responsible for emotions regardless of languages, linguistics and other factors. Experimental results suggest that the language-independent feature subset discovered yields the performance comparable to the full feature set on various emotional speech corpora.","authors_text":"Arslan Shaukat, Ke Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2010-09-01T08:29:49Z","title":"Exploring Language-Independent Emotional Acoustic Features via Feature Selection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.0117","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":"sha256:5211749a6a9a7c79cc0ec2e08e59a42f64fef6193417a7aec253156d15418607","target":"record","created_at":"2026-05-18T04:41:35Z","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":"b1776130bd04f4c10eb111eb054407223ff7ed30604b7fd00944d4e86436a05a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2010-09-01T08:29:49Z","title_canon_sha256":"d546b65b27937d99d6ffce9ed3ea6657906528fa12e3d7eefd244e7ac196bc18"},"schema_version":"1.0","source":{"id":"1009.0117","kind":"arxiv","version":1}},"canonical_sha256":"0921ecf2b4d5218321c6e505186eb3994b61bb3ed17db177e281bf02a68fc3e5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0921ecf2b4d5218321c6e505186eb3994b61bb3ed17db177e281bf02a68fc3e5","first_computed_at":"2026-05-18T04:41:35.493680Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:41:35.493680Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2me77ujy87nH7BVqjEfWuDgEhd51SNeLppmzIawEB/sm0Hn9KWNRn7SM7hf/xN+cWKwoz96S/VlBKtWzSvS3AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:41:35.494175Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.0117","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5211749a6a9a7c79cc0ec2e08e59a42f64fef6193417a7aec253156d15418607","sha256:52999fa90e191ecee3584757053fcb247bfc2eb798cea49c4013f0d60229daf3"],"state_sha256":"01b45af5ea213b86dc407ea865a5efa8c7377f3c969ed78c9d3993eaec5d3506"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MJijjOLRxXqswvWadEjAv2VTN8XmUF1stJkMf6jRvjjZpdrBP65HVlu63arLVJ9BsJAv1ypAhJL4kqQWClnPAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T13:09:23.068645Z","bundle_sha256":"9a052176b677b4b0227d60a1ef84a514953252e06467b33ba44e475da2b96593"}}