{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:EQBN7C3LY45ZVA3KCXQLYOLMT4","short_pith_number":"pith:EQBN7C3L","canonical_record":{"source":{"id":"2411.17702","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-11-11T18:12:02Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"71926b600ce02580914d75a7d4ba99402984688fb3b2ab2378907065bcf9600a","abstract_canon_sha256":"806acf78368b0acabf14b4b8b2c1be508df5228a86b5d7e2324d0240e30111b2"},"schema_version":"1.0"},"canonical_sha256":"2402df8b6bc73b9a836a15e0bc396c9f2f1a9ca902cee49068f4b05f81a74601","source":{"kind":"arxiv","id":"2411.17702","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.17702","created_at":"2026-07-05T09:41:05Z"},{"alias_kind":"arxiv_version","alias_value":"2411.17702v1","created_at":"2026-07-05T09:41:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.17702","created_at":"2026-07-05T09:41:05Z"},{"alias_kind":"pith_short_12","alias_value":"EQBN7C3LY45Z","created_at":"2026-07-05T09:41:05Z"},{"alias_kind":"pith_short_16","alias_value":"EQBN7C3LY45ZVA3K","created_at":"2026-07-05T09:41:05Z"},{"alias_kind":"pith_short_8","alias_value":"EQBN7C3L","created_at":"2026-07-05T09:41:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:EQBN7C3LY45ZVA3KCXQLYOLMT4","target":"record","payload":{"canonical_record":{"source":{"id":"2411.17702","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-11-11T18:12:02Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"71926b600ce02580914d75a7d4ba99402984688fb3b2ab2378907065bcf9600a","abstract_canon_sha256":"806acf78368b0acabf14b4b8b2c1be508df5228a86b5d7e2324d0240e30111b2"},"schema_version":"1.0"},"canonical_sha256":"2402df8b6bc73b9a836a15e0bc396c9f2f1a9ca902cee49068f4b05f81a74601","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:41:05.231354Z","signature_b64":"KlHqBjsqWY5evB7KpXt5EpPrZOgpbOjcHKR2yb+j8E0p3xwJe4M3Z7tA7POFuHb4PxCYHJB+V+eaGctQ0cm2Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2402df8b6bc73b9a836a15e0bc396c9f2f1a9ca902cee49068f4b05f81a74601","last_reissued_at":"2026-07-05T09:41:05.230896Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:41:05.230896Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.17702","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":"2026-07-05T09:41:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BOE13hIJ3p8KCIHdqlQNyl3iar91MeFRgRyQYBywFroCixi8NIe6XTsN5zjltZG3THmYGo7K2+tCir8P9Qp6Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T19:23:49.480823Z"},"content_sha256":"e998283eb801841945fda298883d5ddd1d10eae02b74b1fa9175a698fb8bdcac","schema_version":"1.0","event_id":"sha256:e998283eb801841945fda298883d5ddd1d10eae02b74b1fa9175a698fb8bdcac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:EQBN7C3LY45ZVA3KCXQLYOLMT4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Finding \"Good Views\" of Electrocardiogram Signals for Inferring Abnormalities in Cardiac Condition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"eess.SP","authors_text":"Hammaad Adam, Hyewon Jeong, Suyeol Yun","submitted_at":"2024-11-11T18:12:02Z","abstract_excerpt":"Electrocardiograms (ECGs) are an established technique to screen for abnormal cardiac signals. Recent work has established that it is possible to detect arrhythmia directly from the ECG signal using deep learning algorithms. While a few prior approaches with contrastive learning have been successful, the best way to define a positive sample remains an open question. In this project, we investigate several ways to define positive samples, and assess which approach yields the best performance in a downstream task of classifying arrhythmia. We explore spatiotemporal invariances, generic augmentat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.17702","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/2411.17702/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":"2026-07-05T09:41:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A/hArzqWdUFFl0New5OCDLR4WwgeErruE5qj9V6isWvKg79iJR/eIjz4krgO2R6DG3ZpFLMOzpIWFsXqxYNcCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T19:23:49.481352Z"},"content_sha256":"60c310b5865db655975c233ace80255e2c1176b0c873ec932c434e428e32441d","schema_version":"1.0","event_id":"sha256:60c310b5865db655975c233ace80255e2c1176b0c873ec932c434e428e32441d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EQBN7C3LY45ZVA3KCXQLYOLMT4/bundle.json","state_url":"https://pith.science/pith/EQBN7C3LY45ZVA3KCXQLYOLMT4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EQBN7C3LY45ZVA3KCXQLYOLMT4/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":"2026-08-10T19:23:49Z","links":{"resolver":"https://pith.science/pith/EQBN7C3LY45ZVA3KCXQLYOLMT4","bundle":"https://pith.science/pith/EQBN7C3LY45ZVA3KCXQLYOLMT4/bundle.json","state":"https://pith.science/pith/EQBN7C3LY45ZVA3KCXQLYOLMT4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EQBN7C3LY45ZVA3KCXQLYOLMT4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:EQBN7C3LY45ZVA3KCXQLYOLMT4","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":"806acf78368b0acabf14b4b8b2c1be508df5228a86b5d7e2324d0240e30111b2","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-11-11T18:12:02Z","title_canon_sha256":"71926b600ce02580914d75a7d4ba99402984688fb3b2ab2378907065bcf9600a"},"schema_version":"1.0","source":{"id":"2411.17702","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.17702","created_at":"2026-07-05T09:41:05Z"},{"alias_kind":"arxiv_version","alias_value":"2411.17702v1","created_at":"2026-07-05T09:41:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.17702","created_at":"2026-07-05T09:41:05Z"},{"alias_kind":"pith_short_12","alias_value":"EQBN7C3LY45Z","created_at":"2026-07-05T09:41:05Z"},{"alias_kind":"pith_short_16","alias_value":"EQBN7C3LY45ZVA3K","created_at":"2026-07-05T09:41:05Z"},{"alias_kind":"pith_short_8","alias_value":"EQBN7C3L","created_at":"2026-07-05T09:41:05Z"}],"graph_snapshots":[{"event_id":"sha256:60c310b5865db655975c233ace80255e2c1176b0c873ec932c434e428e32441d","target":"graph","created_at":"2026-07-05T09:41:05Z","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/2411.17702/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Electrocardiograms (ECGs) are an established technique to screen for abnormal cardiac signals. Recent work has established that it is possible to detect arrhythmia directly from the ECG signal using deep learning algorithms. While a few prior approaches with contrastive learning have been successful, the best way to define a positive sample remains an open question. In this project, we investigate several ways to define positive samples, and assess which approach yields the best performance in a downstream task of classifying arrhythmia. We explore spatiotemporal invariances, generic augmentat","authors_text":"Hammaad Adam, Hyewon Jeong, Suyeol Yun","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-11-11T18:12:02Z","title":"Finding \"Good Views\" of Electrocardiogram Signals for Inferring Abnormalities in Cardiac Condition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.17702","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:e998283eb801841945fda298883d5ddd1d10eae02b74b1fa9175a698fb8bdcac","target":"record","created_at":"2026-07-05T09:41:05Z","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":"806acf78368b0acabf14b4b8b2c1be508df5228a86b5d7e2324d0240e30111b2","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-11-11T18:12:02Z","title_canon_sha256":"71926b600ce02580914d75a7d4ba99402984688fb3b2ab2378907065bcf9600a"},"schema_version":"1.0","source":{"id":"2411.17702","kind":"arxiv","version":1}},"canonical_sha256":"2402df8b6bc73b9a836a15e0bc396c9f2f1a9ca902cee49068f4b05f81a74601","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2402df8b6bc73b9a836a15e0bc396c9f2f1a9ca902cee49068f4b05f81a74601","first_computed_at":"2026-07-05T09:41:05.230896Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:41:05.230896Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KlHqBjsqWY5evB7KpXt5EpPrZOgpbOjcHKR2yb+j8E0p3xwJe4M3Z7tA7POFuHb4PxCYHJB+V+eaGctQ0cm2Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T09:41:05.231354Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.17702","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e998283eb801841945fda298883d5ddd1d10eae02b74b1fa9175a698fb8bdcac","sha256:60c310b5865db655975c233ace80255e2c1176b0c873ec932c434e428e32441d"],"state_sha256":"44a4fa6d190ad29952bb57a272d9b145a60a8b4958dad7874ef4ca75faebc047"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GpG9JcHtnDz/6QHhZiEtIDsgmB52VvBQNnc7CoHK0/S85x9xKaMpe+63Ely7XuXDmFLnGHpusxWU5K6oPZ/vBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T19:23:49.486198Z","bundle_sha256":"bc240798fe5f04316da6e3e4c79c3f8ee81d28063bb13d4a27df22cc9fbeb98f"}}