{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:MN5RHHKM2LQVZMRWPCTZSF3CKB","short_pith_number":"pith:MN5RHHKM","canonical_record":{"source":{"id":"2606.10725","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-09T11:33:46Z","cross_cats_sorted":["cs.CL"],"title_canon_sha256":"1840d2261d1f3f4a6279b72190752d47c439c875fc6f8c39f4726f716c1afd13","abstract_canon_sha256":"a6aae4e0fb90de6e79d628284138347569881958df85663d0c9018f2df11f230"},"schema_version":"1.0"},"canonical_sha256":"637b139d4cd2e15cb23678a7991762505ed7e578046df55248708da5861783af","source":{"kind":"arxiv","id":"2606.10725","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.10725","created_at":"2026-06-10T01:10:36Z"},{"alias_kind":"arxiv_version","alias_value":"2606.10725v1","created_at":"2026-06-10T01:10:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.10725","created_at":"2026-06-10T01:10:36Z"},{"alias_kind":"pith_short_12","alias_value":"MN5RHHKM2LQV","created_at":"2026-06-10T01:10:36Z"},{"alias_kind":"pith_short_16","alias_value":"MN5RHHKM2LQVZMRW","created_at":"2026-06-10T01:10:36Z"},{"alias_kind":"pith_short_8","alias_value":"MN5RHHKM","created_at":"2026-06-10T01:10:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:MN5RHHKM2LQVZMRWPCTZSF3CKB","target":"record","payload":{"canonical_record":{"source":{"id":"2606.10725","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-09T11:33:46Z","cross_cats_sorted":["cs.CL"],"title_canon_sha256":"1840d2261d1f3f4a6279b72190752d47c439c875fc6f8c39f4726f716c1afd13","abstract_canon_sha256":"a6aae4e0fb90de6e79d628284138347569881958df85663d0c9018f2df11f230"},"schema_version":"1.0"},"canonical_sha256":"637b139d4cd2e15cb23678a7991762505ed7e578046df55248708da5861783af","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-10T01:10:36.713407Z","signature_b64":"HFU0ayIU4jaLUDWT33oSM8Xfm/wf6Xu/AzJI/gYIfS5TTw/fYlJ3MAwEI6pIdxevEMKqLVK31ESK+YFChDWgCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"637b139d4cd2e15cb23678a7991762505ed7e578046df55248708da5861783af","last_reissued_at":"2026-06-10T01:10:36.712429Z","signature_status":"signed_v1","first_computed_at":"2026-06-10T01:10:36.712429Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.10725","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":"2026-06-10T01:10:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RmoWyWAqlvHEZr7DBE3Eh7kQM+FEyp8j0v9Jst9PjYw7rrSF6mOPx4l3RCEjZYy67g2CskFEZrKl4AYbURTMBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T14:13:52.988868Z"},"content_sha256":"c48f4b319fe0e708c23731bc484bfb4c61a442367479ca1547a8cd4883efe85b","schema_version":"1.0","event_id":"sha256:c48f4b319fe0e708c23731bc484bfb4c61a442367479ca1547a8cd4883efe85b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:MN5RHHKM2LQVZMRWPCTZSF3CKB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pre-AF 13: An Interpretable Atrial Fibrillation Risk Score Mined from Discharge Reports","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CL"],"primary_cat":"cs.LG","authors_text":"Alexander Zolotarev, Artem Shelmanov, Daniil Larionov, Dmitrii Kriukov, Dmitry V. Dylov, Ekaterina Ivanova, Elizaveta Panchenko, Iaroslav Bespalov, Ilya Sochenkov, Kirill Grishchenkov, Miron Kuznetsov, Nikita Khromov, Olga Shakhmatova","submitted_at":"2026-06-09T11:33:46Z","abstract_excerpt":"Background. Atrial fibrillation (AF) is the most prevalent cardiac arrhythmia and a major determinant of prognosis. Established AF risk scores rely on factors (older age, hypertension) nearly ubiquitous among patients with cardiovascular disease (CVD), offering limited stratification in this high-risk group. Most target long-term (5-10 year) rather than medium-term prediction. We developed interpretable ML models predicting AF risk over a 24-month and entire follow-up horizon in CVD patients using routinely collected hospital data.\n  Methods. Single-center retrospective study of electronic hea"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.10725","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/2606.10725/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":"2026-06-10T01:10:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hyTPOp8em/Tv9IihmfOpuPTRywcYNfZwhaj/r30CUWDsqE6rfq3kK7S+bq5CfzwEzM/FSvB4TUt07gKZMwsqCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T14:13:52.989240Z"},"content_sha256":"436b1adf1ef199d079be76373dc2646d13806e385ca8edcb8b2025ca153f535c","schema_version":"1.0","event_id":"sha256:436b1adf1ef199d079be76373dc2646d13806e385ca8edcb8b2025ca153f535c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MN5RHHKM2LQVZMRWPCTZSF3CKB/bundle.json","state_url":"https://pith.science/pith/MN5RHHKM2LQVZMRWPCTZSF3CKB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MN5RHHKM2LQVZMRWPCTZSF3CKB/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":"2026-06-20T14:13:52Z","links":{"resolver":"https://pith.science/pith/MN5RHHKM2LQVZMRWPCTZSF3CKB","bundle":"https://pith.science/pith/MN5RHHKM2LQVZMRWPCTZSF3CKB/bundle.json","state":"https://pith.science/pith/MN5RHHKM2LQVZMRWPCTZSF3CKB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MN5RHHKM2LQVZMRWPCTZSF3CKB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:MN5RHHKM2LQVZMRWPCTZSF3CKB","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":"a6aae4e0fb90de6e79d628284138347569881958df85663d0c9018f2df11f230","cross_cats_sorted":["cs.CL"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-09T11:33:46Z","title_canon_sha256":"1840d2261d1f3f4a6279b72190752d47c439c875fc6f8c39f4726f716c1afd13"},"schema_version":"1.0","source":{"id":"2606.10725","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.10725","created_at":"2026-06-10T01:10:36Z"},{"alias_kind":"arxiv_version","alias_value":"2606.10725v1","created_at":"2026-06-10T01:10:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.10725","created_at":"2026-06-10T01:10:36Z"},{"alias_kind":"pith_short_12","alias_value":"MN5RHHKM2LQV","created_at":"2026-06-10T01:10:36Z"},{"alias_kind":"pith_short_16","alias_value":"MN5RHHKM2LQVZMRW","created_at":"2026-06-10T01:10:36Z"},{"alias_kind":"pith_short_8","alias_value":"MN5RHHKM","created_at":"2026-06-10T01:10:36Z"}],"graph_snapshots":[{"event_id":"sha256:436b1adf1ef199d079be76373dc2646d13806e385ca8edcb8b2025ca153f535c","target":"graph","created_at":"2026-06-10T01:10:36Z","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/2606.10725/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Background. Atrial fibrillation (AF) is the most prevalent cardiac arrhythmia and a major determinant of prognosis. Established AF risk scores rely on factors (older age, hypertension) nearly ubiquitous among patients with cardiovascular disease (CVD), offering limited stratification in this high-risk group. Most target long-term (5-10 year) rather than medium-term prediction. We developed interpretable ML models predicting AF risk over a 24-month and entire follow-up horizon in CVD patients using routinely collected hospital data.\n  Methods. Single-center retrospective study of electronic hea","authors_text":"Alexander Zolotarev, Artem Shelmanov, Daniil Larionov, Dmitrii Kriukov, Dmitry V. Dylov, Ekaterina Ivanova, Elizaveta Panchenko, Iaroslav Bespalov, Ilya Sochenkov, Kirill Grishchenkov, Miron Kuznetsov, Nikita Khromov, Olga Shakhmatova","cross_cats":["cs.CL"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-09T11:33:46Z","title":"Pre-AF 13: An Interpretable Atrial Fibrillation Risk Score Mined from Discharge Reports"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.10725","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:c48f4b319fe0e708c23731bc484bfb4c61a442367479ca1547a8cd4883efe85b","target":"record","created_at":"2026-06-10T01:10:36Z","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":"a6aae4e0fb90de6e79d628284138347569881958df85663d0c9018f2df11f230","cross_cats_sorted":["cs.CL"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-09T11:33:46Z","title_canon_sha256":"1840d2261d1f3f4a6279b72190752d47c439c875fc6f8c39f4726f716c1afd13"},"schema_version":"1.0","source":{"id":"2606.10725","kind":"arxiv","version":1}},"canonical_sha256":"637b139d4cd2e15cb23678a7991762505ed7e578046df55248708da5861783af","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"637b139d4cd2e15cb23678a7991762505ed7e578046df55248708da5861783af","first_computed_at":"2026-06-10T01:10:36.712429Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-10T01:10:36.712429Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HFU0ayIU4jaLUDWT33oSM8Xfm/wf6Xu/AzJI/gYIfS5TTw/fYlJ3MAwEI6pIdxevEMKqLVK31ESK+YFChDWgCA==","signature_status":"signed_v1","signed_at":"2026-06-10T01:10:36.713407Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.10725","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c48f4b319fe0e708c23731bc484bfb4c61a442367479ca1547a8cd4883efe85b","sha256:436b1adf1ef199d079be76373dc2646d13806e385ca8edcb8b2025ca153f535c"],"state_sha256":"13c2838edaed006dc2aab8cc1807c21204d29aa84f8bd43bffffd04656b13662"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zgNNkhxpUTaa58ol/9tGCT8pPy5ewmawmYAIBWjVSaeEF2bp075hWhLOr0aQ+Mza6tkdAzOty268c+qP6sasCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T14:13:52.991291Z","bundle_sha256":"465ab4cd0ae4dd0a7401ce2321ab65fe86ce2adfe86032c39b2be40c5121a3fb"}}