{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:Z7YVGWF6MOGDT3LNEQ7OD6KDLM","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":"5f44ddea91d27650bcf356deacb581e751cfac0450fa65eb829ecd383072cb67","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CE","submitted_at":"2026-05-25T14:12:23Z","title_canon_sha256":"5113a2c3218bb1c6206e1ea583504eb253355f34accc955848bcdf12fcdfaa20"},"schema_version":"1.0","source":{"id":"2605.25883","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.25883","created_at":"2026-05-26T02:05:16Z"},{"alias_kind":"arxiv_version","alias_value":"2605.25883v1","created_at":"2026-05-26T02:05:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.25883","created_at":"2026-05-26T02:05:16Z"},{"alias_kind":"pith_short_12","alias_value":"Z7YVGWF6MOGD","created_at":"2026-05-26T02:05:16Z"},{"alias_kind":"pith_short_16","alias_value":"Z7YVGWF6MOGDT3LN","created_at":"2026-05-26T02:05:16Z"},{"alias_kind":"pith_short_8","alias_value":"Z7YVGWF6","created_at":"2026-05-26T02:05:16Z"}],"graph_snapshots":[{"event_id":"sha256:9c29015a19042b11441e47628abeda48ad6126b3d38f066c419383f6789a791a","target":"graph","created_at":"2026-05-26T02:05:16Z","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/2605.25883/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The 12-lead electrocardiogram (ECG) is a quasi-periodic, multi-channel signal with diagnostic content spanning timescales from millisecond waveform morphology to multi-second rhythm dynamics. Existing ECG representation learning relies on signal-only self-supervision or ECG-text multimodal alignment, neither of which exploits the structured diagnostic codes attached to every clinical recording. We present \\textbf{MAR-ECG}, an ontology-guided masked autoregressive framework that supervises the encoder with a curated 40-node SNOMED-CT cardiac graph through \\emph{graph alignment}, eliminating the","authors_text":"Fahad Sohrab, Lei Xu, Mehmet Yamac, Merja Heinaniemi, Moncef Gabbouj","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CE","submitted_at":"2026-05-25T14:12:23Z","title":"From Reports to Ontologies: Ontology-Guided Representation Learning for 12-Lead ECG"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.25883","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:cf234b1273954a99e37518d2c8c8dc1168666ce15d7ad249abafac1ad1883ce2","target":"record","created_at":"2026-05-26T02:05:16Z","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":"5f44ddea91d27650bcf356deacb581e751cfac0450fa65eb829ecd383072cb67","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CE","submitted_at":"2026-05-25T14:12:23Z","title_canon_sha256":"5113a2c3218bb1c6206e1ea583504eb253355f34accc955848bcdf12fcdfaa20"},"schema_version":"1.0","source":{"id":"2605.25883","kind":"arxiv","version":1}},"canonical_sha256":"cff15358be638c39ed6d243ee1f9435b0e086ab1c07114f9af39fcc9e7981f7f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cff15358be638c39ed6d243ee1f9435b0e086ab1c07114f9af39fcc9e7981f7f","first_computed_at":"2026-05-26T02:05:16.884056Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T02:05:16.884056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f3m3M1wdlpDmD9Ja1H3bIBfYI/IMZZNWNrR8at5G1fG3/leKQcGD86pPF2bmbCGmoxooHNgTBVx/2aDZonUPBw==","signature_status":"signed_v1","signed_at":"2026-05-26T02:05:16.884712Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.25883","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cf234b1273954a99e37518d2c8c8dc1168666ce15d7ad249abafac1ad1883ce2","sha256:9c29015a19042b11441e47628abeda48ad6126b3d38f066c419383f6789a791a"],"state_sha256":"89b0a1871e73046e1e7269a6d0bb29a4b36d923a9e701799018e4875a03c0e67"}