{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:VTR2XRBZGMTEMFP6OKQLG2AK4V","short_pith_number":"pith:VTR2XRBZ","canonical_record":{"source":{"id":"2406.16974","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.LG","submitted_at":"2024-06-22T18:35:58Z","cross_cats_sorted":["physics.med-ph"],"title_canon_sha256":"144665ffa719000b023c94f32644b96ed6c43de6ba5c5a78d97f223072bef68a","abstract_canon_sha256":"d5dd4b3b65b46f272da688a6f2c81b902960056e7678b44200be447d8703ef82"},"schema_version":"1.0"},"canonical_sha256":"ace3abc43933264615fe72a0b3680ae56dee0878b4a1806f8a792a2d58b0ff56","source":{"kind":"arxiv","id":"2406.16974","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.16974","created_at":"2026-07-05T08:36:08Z"},{"alias_kind":"arxiv_version","alias_value":"2406.16974v1","created_at":"2026-07-05T08:36:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.16974","created_at":"2026-07-05T08:36:08Z"},{"alias_kind":"pith_short_12","alias_value":"VTR2XRBZGMTE","created_at":"2026-07-05T08:36:08Z"},{"alias_kind":"pith_short_16","alias_value":"VTR2XRBZGMTEMFP6","created_at":"2026-07-05T08:36:08Z"},{"alias_kind":"pith_short_8","alias_value":"VTR2XRBZ","created_at":"2026-07-05T08:36:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:VTR2XRBZGMTEMFP6OKQLG2AK4V","target":"record","payload":{"canonical_record":{"source":{"id":"2406.16974","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.LG","submitted_at":"2024-06-22T18:35:58Z","cross_cats_sorted":["physics.med-ph"],"title_canon_sha256":"144665ffa719000b023c94f32644b96ed6c43de6ba5c5a78d97f223072bef68a","abstract_canon_sha256":"d5dd4b3b65b46f272da688a6f2c81b902960056e7678b44200be447d8703ef82"},"schema_version":"1.0"},"canonical_sha256":"ace3abc43933264615fe72a0b3680ae56dee0878b4a1806f8a792a2d58b0ff56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:36:08.323920Z","signature_b64":"2zPKYHFS7F/Um5KE+x9s4T8QVs0XnGU09nhbXF/LpRA2G9//E+TTzxfAVhriKI55uYfA2N6AQGognC3YHw46DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ace3abc43933264615fe72a0b3680ae56dee0878b4a1806f8a792a2d58b0ff56","last_reissued_at":"2026-07-05T08:36:08.323273Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:36:08.323273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.16974","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":"2026-07-05T08:36:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"odRjTg5cHBrB7Dx3DUnlz1X/8k70VZTomQh/o/5dUB/5ZcVPZWLqvnsQo6iDL6/IJMq2YYaK8FIKqibTREjgCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T06:00:57.965784Z"},"content_sha256":"7a752c4b06de79ff4acde954331053ac59730b81ca420193c1be981b7ca455bb","schema_version":"1.0","event_id":"sha256:7a752c4b06de79ff4acde954331053ac59730b81ca420193c1be981b7ca455bb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:VTR2XRBZGMTEMFP6OKQLG2AK4V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SHDB-AF: a Japanese Holter ECG database of atrial fibrillation","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["physics.med-ph"],"primary_cat":"cs.LG","authors_text":"Hitoshi Mori, Jean Marc Sellal, Joachim A. Behar, Julien Oster, Kenta Tsutsui, Noam Ben-Moshe, Ritsushi Kato, Shany Biton Brimer, Shintaro Nakano, Takahide Arai, Yoshifumi Ikeda","submitted_at":"2024-06-22T18:35:58Z","abstract_excerpt":"Atrial fibrillation (AF) is a common atrial arrhythmia that impairs quality of life and causes embolic stroke, heart failure and other complications. Recent advancements in machine learning (ML) and deep learning (DL) have shown potential for enhancing diagnostic accuracy. It is essential for DL models to be robust and generalizable across variations in ethnicity, age, sex, and other factors. Although a number of ECG database have been made available to the research community, none includes a Japanese population sample. Saitama Heart Database Atrial Fibrillation (SHDB-AF) is a novel open-sourc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.16974","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/2406.16974/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":"2026-07-05T08:36:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J3DKbMCd33I4q1A8wT8gvvvDXLmmLx1eCVoHEsSLQ+kiHX8VScrLRt0uL33xbc5fVYVoIZo5K4jjrlxQIVBbBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T06:00:57.966230Z"},"content_sha256":"199f02d29595ced24fc92eb71db114b4dd754cf195008de71010fd2b2ea663d9","schema_version":"1.0","event_id":"sha256:199f02d29595ced24fc92eb71db114b4dd754cf195008de71010fd2b2ea663d9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VTR2XRBZGMTEMFP6OKQLG2AK4V/bundle.json","state_url":"https://pith.science/pith/VTR2XRBZGMTEMFP6OKQLG2AK4V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VTR2XRBZGMTEMFP6OKQLG2AK4V/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":"2026-07-09T06:00:57Z","links":{"resolver":"https://pith.science/pith/VTR2XRBZGMTEMFP6OKQLG2AK4V","bundle":"https://pith.science/pith/VTR2XRBZGMTEMFP6OKQLG2AK4V/bundle.json","state":"https://pith.science/pith/VTR2XRBZGMTEMFP6OKQLG2AK4V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VTR2XRBZGMTEMFP6OKQLG2AK4V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:VTR2XRBZGMTEMFP6OKQLG2AK4V","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":"d5dd4b3b65b46f272da688a6f2c81b902960056e7678b44200be447d8703ef82","cross_cats_sorted":["physics.med-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.LG","submitted_at":"2024-06-22T18:35:58Z","title_canon_sha256":"144665ffa719000b023c94f32644b96ed6c43de6ba5c5a78d97f223072bef68a"},"schema_version":"1.0","source":{"id":"2406.16974","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.16974","created_at":"2026-07-05T08:36:08Z"},{"alias_kind":"arxiv_version","alias_value":"2406.16974v1","created_at":"2026-07-05T08:36:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.16974","created_at":"2026-07-05T08:36:08Z"},{"alias_kind":"pith_short_12","alias_value":"VTR2XRBZGMTE","created_at":"2026-07-05T08:36:08Z"},{"alias_kind":"pith_short_16","alias_value":"VTR2XRBZGMTEMFP6","created_at":"2026-07-05T08:36:08Z"},{"alias_kind":"pith_short_8","alias_value":"VTR2XRBZ","created_at":"2026-07-05T08:36:08Z"}],"graph_snapshots":[{"event_id":"sha256:199f02d29595ced24fc92eb71db114b4dd754cf195008de71010fd2b2ea663d9","target":"graph","created_at":"2026-07-05T08:36:08Z","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/2406.16974/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Atrial fibrillation (AF) is a common atrial arrhythmia that impairs quality of life and causes embolic stroke, heart failure and other complications. Recent advancements in machine learning (ML) and deep learning (DL) have shown potential for enhancing diagnostic accuracy. It is essential for DL models to be robust and generalizable across variations in ethnicity, age, sex, and other factors. Although a number of ECG database have been made available to the research community, none includes a Japanese population sample. Saitama Heart Database Atrial Fibrillation (SHDB-AF) is a novel open-sourc","authors_text":"Hitoshi Mori, Jean Marc Sellal, Joachim A. Behar, Julien Oster, Kenta Tsutsui, Noam Ben-Moshe, Ritsushi Kato, Shany Biton Brimer, Shintaro Nakano, Takahide Arai, Yoshifumi Ikeda","cross_cats":["physics.med-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.LG","submitted_at":"2024-06-22T18:35:58Z","title":"SHDB-AF: a Japanese Holter ECG database of atrial fibrillation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.16974","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":"sha256:7a752c4b06de79ff4acde954331053ac59730b81ca420193c1be981b7ca455bb","target":"record","created_at":"2026-07-05T08:36:08Z","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":"d5dd4b3b65b46f272da688a6f2c81b902960056e7678b44200be447d8703ef82","cross_cats_sorted":["physics.med-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.LG","submitted_at":"2024-06-22T18:35:58Z","title_canon_sha256":"144665ffa719000b023c94f32644b96ed6c43de6ba5c5a78d97f223072bef68a"},"schema_version":"1.0","source":{"id":"2406.16974","kind":"arxiv","version":1}},"canonical_sha256":"ace3abc43933264615fe72a0b3680ae56dee0878b4a1806f8a792a2d58b0ff56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ace3abc43933264615fe72a0b3680ae56dee0878b4a1806f8a792a2d58b0ff56","first_computed_at":"2026-07-05T08:36:08.323273Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:36:08.323273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2zPKYHFS7F/Um5KE+x9s4T8QVs0XnGU09nhbXF/LpRA2G9//E+TTzxfAVhriKI55uYfA2N6AQGognC3YHw46DA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:36:08.323920Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.16974","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7a752c4b06de79ff4acde954331053ac59730b81ca420193c1be981b7ca455bb","sha256:199f02d29595ced24fc92eb71db114b4dd754cf195008de71010fd2b2ea663d9"],"state_sha256":"1afb65d8493776ca32b0b3fbe3bc6cf4bb9280f3e1cdbc54a5c1ee0ae5d87848"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VjzSKrW50kmLvow/P+X7DFCJ5gXsgo2e/cgROzNKMzIH0sEwsRgCuC6voIMoC8IJ2nVcu7iL5YkFFk9JP6wbBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T06:00:57.968548Z","bundle_sha256":"77ba7736112fa82bf6269afffacf843eae8c7d1a3cbcd4772dbdce160d46a0e2"}}