{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:TDHDGHN53HMD2NHQBEAT36AT2R","short_pith_number":"pith:TDHDGHN5","canonical_record":{"source":{"id":"2407.21658","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2024-07-31T14:59:17Z","cross_cats_sorted":["cs.LG","eess.AS"],"title_canon_sha256":"d11a92a1e7e5aca6c802c04266f41cb6f61ab3395e7b341f33bbcff8951578ae","abstract_canon_sha256":"4343cb379b2dab0f26ccc50fc499ec1b8864c8290593bd3262a641f81804aa8a"},"schema_version":"1.0"},"canonical_sha256":"98ce331dbdd9d83d34f009013df813d463e66b1eb316134f611798158bda0a94","source":{"kind":"arxiv","id":"2407.21658","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.21658","created_at":"2026-07-05T08:50:42Z"},{"alias_kind":"arxiv_version","alias_value":"2407.21658v1","created_at":"2026-07-05T08:50:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.21658","created_at":"2026-07-05T08:50:42Z"},{"alias_kind":"pith_short_12","alias_value":"TDHDGHN53HMD","created_at":"2026-07-05T08:50:42Z"},{"alias_kind":"pith_short_16","alias_value":"TDHDGHN53HMD2NHQ","created_at":"2026-07-05T08:50:42Z"},{"alias_kind":"pith_short_8","alias_value":"TDHDGHN5","created_at":"2026-07-05T08:50:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:TDHDGHN53HMD2NHQBEAT36AT2R","target":"record","payload":{"canonical_record":{"source":{"id":"2407.21658","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2024-07-31T14:59:17Z","cross_cats_sorted":["cs.LG","eess.AS"],"title_canon_sha256":"d11a92a1e7e5aca6c802c04266f41cb6f61ab3395e7b341f33bbcff8951578ae","abstract_canon_sha256":"4343cb379b2dab0f26ccc50fc499ec1b8864c8290593bd3262a641f81804aa8a"},"schema_version":"1.0"},"canonical_sha256":"98ce331dbdd9d83d34f009013df813d463e66b1eb316134f611798158bda0a94","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:50:42.045629Z","signature_b64":"rYRV643IiuwQ3gjqLU9yc6tMfSsxI8iUtzG3sc6krBV5MAl2/dfzo0HOwpoRQCn//S17CwfSm8KRxSqs0eM8AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"98ce331dbdd9d83d34f009013df813d463e66b1eb316134f611798158bda0a94","last_reissued_at":"2026-07-05T08:50:42.045216Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:50:42.045216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.21658","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":"2026-07-05T08:50:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WaUTQ/U7vZY2zLxSSKp9SJwo2GFdfl0ihj5KaQj5rlpSbSwdg/Ito80EklY5EcxSprbj55CtdimVpmEnb4U3BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T12:12:32.598180Z"},"content_sha256":"3eafea66896f23b604640cde83805dffe8a5a5b3e4d602bc72ea183ede7ada49","schema_version":"1.0","event_id":"sha256:3eafea66896f23b604640cde83805dffe8a5a5b3e4d602bc72ea183ede7ada49"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:TDHDGHN53HMD2NHQBEAT36AT2R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Beat this! Accurate beat tracking without DBN postprocessing","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.LG","eess.AS"],"primary_cat":"cs.SD","authors_text":"Francesco Foscarin, Gerhard Widmer, Jan Schl\\\"uter","submitted_at":"2024-07-31T14:59:17Z","abstract_excerpt":"We propose a system for tracking beats and downbeats with two objectives: generality across a diverse music range, and high accuracy. We achieve generality by training on multiple datasets -- including solo instrument recordings, pieces with time signature changes, and classical music with high tempo variations -- and by removing the commonly used Dynamic Bayesian Network (DBN) postprocessing, which introduces constraints on the meter and tempo. For high accuracy, among other improvements, we develop a loss function tolerant to small time shifts of annotations, and an architecture alternating "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.21658","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/2407.21658/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":"2026-07-05T08:50:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HimwpXMqgzmbnLVkKJ647cdUjUTeHYxZkaqIQ8nP1fNsGWg+QVtcVHNpUxCB+ft8fuQZ2dJYLrQ7ETSJ6/MlAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T12:12:32.598586Z"},"content_sha256":"487630e98b68411278abf0ea00fb973855b6ad0fa27c3708444a04d02d08f95a","schema_version":"1.0","event_id":"sha256:487630e98b68411278abf0ea00fb973855b6ad0fa27c3708444a04d02d08f95a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TDHDGHN53HMD2NHQBEAT36AT2R/bundle.json","state_url":"https://pith.science/pith/TDHDGHN53HMD2NHQBEAT36AT2R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TDHDGHN53HMD2NHQBEAT36AT2R/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":"2026-08-05T12:12:32Z","links":{"resolver":"https://pith.science/pith/TDHDGHN53HMD2NHQBEAT36AT2R","bundle":"https://pith.science/pith/TDHDGHN53HMD2NHQBEAT36AT2R/bundle.json","state":"https://pith.science/pith/TDHDGHN53HMD2NHQBEAT36AT2R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TDHDGHN53HMD2NHQBEAT36AT2R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:TDHDGHN53HMD2NHQBEAT36AT2R","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":"4343cb379b2dab0f26ccc50fc499ec1b8864c8290593bd3262a641f81804aa8a","cross_cats_sorted":["cs.LG","eess.AS"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2024-07-31T14:59:17Z","title_canon_sha256":"d11a92a1e7e5aca6c802c04266f41cb6f61ab3395e7b341f33bbcff8951578ae"},"schema_version":"1.0","source":{"id":"2407.21658","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.21658","created_at":"2026-07-05T08:50:42Z"},{"alias_kind":"arxiv_version","alias_value":"2407.21658v1","created_at":"2026-07-05T08:50:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.21658","created_at":"2026-07-05T08:50:42Z"},{"alias_kind":"pith_short_12","alias_value":"TDHDGHN53HMD","created_at":"2026-07-05T08:50:42Z"},{"alias_kind":"pith_short_16","alias_value":"TDHDGHN53HMD2NHQ","created_at":"2026-07-05T08:50:42Z"},{"alias_kind":"pith_short_8","alias_value":"TDHDGHN5","created_at":"2026-07-05T08:50:42Z"}],"graph_snapshots":[{"event_id":"sha256:487630e98b68411278abf0ea00fb973855b6ad0fa27c3708444a04d02d08f95a","target":"graph","created_at":"2026-07-05T08:50:42Z","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/2407.21658/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose a system for tracking beats and downbeats with two objectives: generality across a diverse music range, and high accuracy. We achieve generality by training on multiple datasets -- including solo instrument recordings, pieces with time signature changes, and classical music with high tempo variations -- and by removing the commonly used Dynamic Bayesian Network (DBN) postprocessing, which introduces constraints on the meter and tempo. For high accuracy, among other improvements, we develop a loss function tolerant to small time shifts of annotations, and an architecture alternating ","authors_text":"Francesco Foscarin, Gerhard Widmer, Jan Schl\\\"uter","cross_cats":["cs.LG","eess.AS"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2024-07-31T14:59:17Z","title":"Beat this! Accurate beat tracking without DBN postprocessing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.21658","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":"sha256:3eafea66896f23b604640cde83805dffe8a5a5b3e4d602bc72ea183ede7ada49","target":"record","created_at":"2026-07-05T08:50:42Z","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":"4343cb379b2dab0f26ccc50fc499ec1b8864c8290593bd3262a641f81804aa8a","cross_cats_sorted":["cs.LG","eess.AS"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2024-07-31T14:59:17Z","title_canon_sha256":"d11a92a1e7e5aca6c802c04266f41cb6f61ab3395e7b341f33bbcff8951578ae"},"schema_version":"1.0","source":{"id":"2407.21658","kind":"arxiv","version":1}},"canonical_sha256":"98ce331dbdd9d83d34f009013df813d463e66b1eb316134f611798158bda0a94","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"98ce331dbdd9d83d34f009013df813d463e66b1eb316134f611798158bda0a94","first_computed_at":"2026-07-05T08:50:42.045216Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:50:42.045216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rYRV643IiuwQ3gjqLU9yc6tMfSsxI8iUtzG3sc6krBV5MAl2/dfzo0HOwpoRQCn//S17CwfSm8KRxSqs0eM8AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:50:42.045629Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.21658","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3eafea66896f23b604640cde83805dffe8a5a5b3e4d602bc72ea183ede7ada49","sha256:487630e98b68411278abf0ea00fb973855b6ad0fa27c3708444a04d02d08f95a"],"state_sha256":"d72fcb9fbe4678da9b307cca1ab4c41f1371797274af4b005e8f90e08ee49ca2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5+++paGsjp8ETeYJhR0KPgqSepvXZe/hdRPRhA9XGVuXqYqBaYAPnJ6CZo7E8UT7J1ZenUNGq8taem5lHTQ3AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T12:12:32.602217Z","bundle_sha256":"b7ce8bba48920c6dc4566433dccbad4c3c32855cc5627145306c37ecb87d8286"}}