{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:RDYSSH4B7LUOMX47T4VNX5FBWZ","short_pith_number":"pith:RDYSSH4B","canonical_record":{"source":{"id":"2312.12908","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-12-20T10:45:22Z","cross_cats_sorted":[],"title_canon_sha256":"de0ebc6ade9b89a622bac45aaa054f6b18223fdda4435e25a4a255592f484eca","abstract_canon_sha256":"987ba1608c876d478cc1d79f43de81e64a51e11413a5cf0fc7bd02806f244911"},"schema_version":"1.0"},"canonical_sha256":"88f1291f81fae8e65f9f9f2adbf4a1b64114fa83ef77d0acf9af7312fec7b902","source":{"kind":"arxiv","id":"2312.12908","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.12908","created_at":"2026-07-05T09:03:49Z"},{"alias_kind":"arxiv_version","alias_value":"2312.12908v2","created_at":"2026-07-05T09:03:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.12908","created_at":"2026-07-05T09:03:49Z"},{"alias_kind":"pith_short_12","alias_value":"RDYSSH4B7LUO","created_at":"2026-07-05T09:03:49Z"},{"alias_kind":"pith_short_16","alias_value":"RDYSSH4B7LUOMX47","created_at":"2026-07-05T09:03:49Z"},{"alias_kind":"pith_short_8","alias_value":"RDYSSH4B","created_at":"2026-07-05T09:03:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:RDYSSH4B7LUOMX47T4VNX5FBWZ","target":"record","payload":{"canonical_record":{"source":{"id":"2312.12908","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-12-20T10:45:22Z","cross_cats_sorted":[],"title_canon_sha256":"de0ebc6ade9b89a622bac45aaa054f6b18223fdda4435e25a4a255592f484eca","abstract_canon_sha256":"987ba1608c876d478cc1d79f43de81e64a51e11413a5cf0fc7bd02806f244911"},"schema_version":"1.0"},"canonical_sha256":"88f1291f81fae8e65f9f9f2adbf4a1b64114fa83ef77d0acf9af7312fec7b902","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:03:49.096690Z","signature_b64":"EAdtW82prlKP86RnrniLMw1fEnNmKSrp/BQOa9te+1G+uTa2Rqq8fiZ1wKaB9ZCKkXItm3ZiFaFzqzJtAFqPAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"88f1291f81fae8e65f9f9f2adbf4a1b64114fa83ef77d0acf9af7312fec7b902","last_reissued_at":"2026-07-05T09:03:49.096064Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:03:49.096064Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2312.12908","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":"2026-07-05T09:03:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3UZ93PeURKRUvNIxH0O7RUQJGeTve9Zrcn2zC8f1nZgz0sagkoECbvw9WTSLcIu1uN4aPnIwUNubhHFX07VkBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-21T02:03:47.762348Z"},"content_sha256":"55001519ed78c4330f853018f1e1cc5b18ee0f93b2779c31373179b25080b615","schema_version":"1.0","event_id":"sha256:55001519ed78c4330f853018f1e1cc5b18ee0f93b2779c31373179b25080b615"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:RDYSSH4B7LUOMX47T4VNX5FBWZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Unified Representation Framework for the Evaluation of Optical Music Recognition Systems","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Alicia Forn\\'es, Pau Torras, Sanket Biswas","submitted_at":"2023-12-20T10:45:22Z","abstract_excerpt":"Modern-day Optical Music Recognition (OMR) is a fairly fragmented field. Most OMR approaches use datasets that are independent and incompatible between each other, making it difficult to both combine them and compare recognition systems built upon them. In this paper we identify the need of a common music representation language and propose the Music Tree Notation (MTN) format, with the idea to construct a common endpoint for OMR research that allows coordination, reuse of technology and fair evaluation of community efforts. This format represents music as a set of primitives that group togeth"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.12908","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/2312.12908/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":"2026-07-05T09:03:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dGFA3bgDRJHe4A2b/uc7mJ30kpGM75cFksnJr3zlAHbuzNYKvLlra88Ms2rpp0bWygqNrsshfgWKCIMEbUv+Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-21T02:03:47.762726Z"},"content_sha256":"21e5ca434751cb945fb8f75e302d01b149acf3268a128ac6a5a07dbf78387ba3","schema_version":"1.0","event_id":"sha256:21e5ca434751cb945fb8f75e302d01b149acf3268a128ac6a5a07dbf78387ba3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RDYSSH4B7LUOMX47T4VNX5FBWZ/bundle.json","state_url":"https://pith.science/pith/RDYSSH4B7LUOMX47T4VNX5FBWZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RDYSSH4B7LUOMX47T4VNX5FBWZ/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":"2026-07-21T02:03:47Z","links":{"resolver":"https://pith.science/pith/RDYSSH4B7LUOMX47T4VNX5FBWZ","bundle":"https://pith.science/pith/RDYSSH4B7LUOMX47T4VNX5FBWZ/bundle.json","state":"https://pith.science/pith/RDYSSH4B7LUOMX47T4VNX5FBWZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RDYSSH4B7LUOMX47T4VNX5FBWZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:RDYSSH4B7LUOMX47T4VNX5FBWZ","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":"987ba1608c876d478cc1d79f43de81e64a51e11413a5cf0fc7bd02806f244911","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-12-20T10:45:22Z","title_canon_sha256":"de0ebc6ade9b89a622bac45aaa054f6b18223fdda4435e25a4a255592f484eca"},"schema_version":"1.0","source":{"id":"2312.12908","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.12908","created_at":"2026-07-05T09:03:49Z"},{"alias_kind":"arxiv_version","alias_value":"2312.12908v2","created_at":"2026-07-05T09:03:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.12908","created_at":"2026-07-05T09:03:49Z"},{"alias_kind":"pith_short_12","alias_value":"RDYSSH4B7LUO","created_at":"2026-07-05T09:03:49Z"},{"alias_kind":"pith_short_16","alias_value":"RDYSSH4B7LUOMX47","created_at":"2026-07-05T09:03:49Z"},{"alias_kind":"pith_short_8","alias_value":"RDYSSH4B","created_at":"2026-07-05T09:03:49Z"}],"graph_snapshots":[{"event_id":"sha256:21e5ca434751cb945fb8f75e302d01b149acf3268a128ac6a5a07dbf78387ba3","target":"graph","created_at":"2026-07-05T09:03:49Z","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/2312.12908/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Modern-day Optical Music Recognition (OMR) is a fairly fragmented field. Most OMR approaches use datasets that are independent and incompatible between each other, making it difficult to both combine them and compare recognition systems built upon them. In this paper we identify the need of a common music representation language and propose the Music Tree Notation (MTN) format, with the idea to construct a common endpoint for OMR research that allows coordination, reuse of technology and fair evaluation of community efforts. This format represents music as a set of primitives that group togeth","authors_text":"Alicia Forn\\'es, Pau Torras, Sanket Biswas","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-12-20T10:45:22Z","title":"A Unified Representation Framework for the Evaluation of Optical Music Recognition Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.12908","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":"sha256:55001519ed78c4330f853018f1e1cc5b18ee0f93b2779c31373179b25080b615","target":"record","created_at":"2026-07-05T09:03:49Z","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":"987ba1608c876d478cc1d79f43de81e64a51e11413a5cf0fc7bd02806f244911","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-12-20T10:45:22Z","title_canon_sha256":"de0ebc6ade9b89a622bac45aaa054f6b18223fdda4435e25a4a255592f484eca"},"schema_version":"1.0","source":{"id":"2312.12908","kind":"arxiv","version":2}},"canonical_sha256":"88f1291f81fae8e65f9f9f2adbf4a1b64114fa83ef77d0acf9af7312fec7b902","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"88f1291f81fae8e65f9f9f2adbf4a1b64114fa83ef77d0acf9af7312fec7b902","first_computed_at":"2026-07-05T09:03:49.096064Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:03:49.096064Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EAdtW82prlKP86RnrniLMw1fEnNmKSrp/BQOa9te+1G+uTa2Rqq8fiZ1wKaB9ZCKkXItm3ZiFaFzqzJtAFqPAw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:03:49.096690Z","signed_message":"canonical_sha256_bytes"},"source_id":"2312.12908","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:55001519ed78c4330f853018f1e1cc5b18ee0f93b2779c31373179b25080b615","sha256:21e5ca434751cb945fb8f75e302d01b149acf3268a128ac6a5a07dbf78387ba3"],"state_sha256":"b0a70eda956bff00d3cda6f533f8b1c740a7e03e05f3fa172c4c6f5f1b601a34"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ELCyoTSy8Doe1NRxE22ZvsJgGJb2TKmzSQBHM8Hu13JOktUAU6l486qzeqBiSPuUOyIyec/Tu1qxhyA/uXOBDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-21T02:03:47.764841Z","bundle_sha256":"e05bc24f373d59a660f3832a40438169ee74d7844b05642e5a2c4ce11a668dea"}}