{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:IM2CJJ7L3BSH67KXGJHUZ2OPHL","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":"5ffc5624d10cf005f7def85970dadfdd48272d2ccfd58bae793615a7723c9f0f","cross_cats_sorted":["cs.LG","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2014-07-09T11:04:15Z","title_canon_sha256":"8fc859acb134e1373d51816472e68a652bb39c39ec0b82a6387874eb2444125b"},"schema_version":"1.0","source":{"id":"1407.2433","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.2433","created_at":"2026-05-18T02:07:27Z"},{"alias_kind":"arxiv_version","alias_value":"1407.2433v3","created_at":"2026-05-18T02:07:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.2433","created_at":"2026-05-18T02:07:27Z"},{"alias_kind":"pith_short_12","alias_value":"IM2CJJ7L3BSH","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IM2CJJ7L3BSH67KX","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IM2CJJ7L","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:92833cec6be816c53dd22b81b7c6cb07008b4279200fce1de59162222c48c6fe","target":"graph","created_at":"2026-05-18T02:07:27Z","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":"This paper investigates methods for quantifying similarity between audio signals, specifically for the task of of cover song detection. We consider an information-theoretic approach, where we compute pairwise measures of predictability between time series. We compare discrete-valued approaches operating on quantised audio features, to continuous-valued approaches. In the discrete case, we propose a method for computing the normalised compression distance, where we account for correlation between time series. In the continuous case, we propose to compute information-based measures of similarity","authors_text":"Anssi Klapuri, Peter Foster, Simon Dixon","cross_cats":["cs.LG","stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2014-07-09T11:04:15Z","title":"Identifying Cover Songs Using Information-Theoretic Measures of Similarity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.2433","kind":"arxiv","version":3},"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":"sha256:80d46fe86958cb07af426cfa26297cff29b0eeb6ed282035bf107bfba712fdd2","target":"record","created_at":"2026-05-18T02:07:27Z","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":"5ffc5624d10cf005f7def85970dadfdd48272d2ccfd58bae793615a7723c9f0f","cross_cats_sorted":["cs.LG","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2014-07-09T11:04:15Z","title_canon_sha256":"8fc859acb134e1373d51816472e68a652bb39c39ec0b82a6387874eb2444125b"},"schema_version":"1.0","source":{"id":"1407.2433","kind":"arxiv","version":3}},"canonical_sha256":"433424a7ebd8647f7d57324f4ce9cf3ac8ba7a09a66ba543711725fcf61e941c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"433424a7ebd8647f7d57324f4ce9cf3ac8ba7a09a66ba543711725fcf61e941c","first_computed_at":"2026-05-18T02:07:27.066605Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:07:27.066605Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y0zaFmWtIoN3m2VTe0ENGDJjS3PRUfzWA25v70fgEefKwd2ohyZMBgp119Y4qDkDn1tdw56t7a0GAZsodlZACQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:07:27.067001Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.2433","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:80d46fe86958cb07af426cfa26297cff29b0eeb6ed282035bf107bfba712fdd2","sha256:92833cec6be816c53dd22b81b7c6cb07008b4279200fce1de59162222c48c6fe"],"state_sha256":"ea45a31baddfc47d23f9e9470ad50653433a2bbc91b147bce954f4cad68a1c87"}