{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:EZELEYCUSZVZLWBPCRC6HKETRP","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":"bd630da260767cbe6019759834aecbc69614cab2c6d7214f517c7c5cfcee5ba1","cross_cats_sorted":["eess.SP"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.med-ph","submitted_at":"2022-03-15T10:55:41Z","title_canon_sha256":"98244dd12ce3b921a60bd57bf3ea2dd81725b2635f0b364944213d3c7576553c"},"schema_version":"1.0","source":{"id":"2203.07776","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.07776","created_at":"2026-07-05T09:25:25Z"},{"alias_kind":"arxiv_version","alias_value":"2203.07776v1","created_at":"2026-07-05T09:25:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.07776","created_at":"2026-07-05T09:25:25Z"},{"alias_kind":"pith_short_12","alias_value":"EZELEYCUSZVZ","created_at":"2026-07-05T09:25:25Z"},{"alias_kind":"pith_short_16","alias_value":"EZELEYCUSZVZLWBP","created_at":"2026-07-05T09:25:25Z"},{"alias_kind":"pith_short_8","alias_value":"EZELEYCU","created_at":"2026-07-05T09:25:25Z"}],"graph_snapshots":[{"event_id":"sha256:1e219688c15a4640000766125f9907fc82980eed549dc300038ecaca1be2e5e9","target":"graph","created_at":"2026-07-05T09:25:25Z","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/2203.07776/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Objective: The bidomain model and the finite element method are an established standard to mathematically describe cardiac electrophysiology, but are both suboptimal choices for fast and large-scale simulations due to high computational costs. We investigate to what extent simplified approaches for propagation models (monodomain, reaction-eikonal and eikonal) and forward calculation (boundary element and infinite volume conductor) deliver markedly accelerated, yet physiologically accurate simulation results in atrial electrophysiology. Methods: We compared action potential durations, local act","authors_text":"Axel Loewe, Claudia Nagel, Cristian Barrios Espinosa, Gernot Plank, Jorge S\\'anchez, Karli Gillette, Matthias A.F. Gsell, Olaf D\\\"ossel","cross_cats":["eess.SP"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.med-ph","submitted_at":"2022-03-15T10:55:41Z","title":"Comparison of propagation models and forward calculation methods on cellular, tissue and organ scale atrial electrophysiology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.07776","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":"sha256:35a13da4f420772dd99ec729e78bdd2aace3ae3c71327857667aa1c4c49cbc6b","target":"record","created_at":"2026-07-05T09:25:25Z","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":"bd630da260767cbe6019759834aecbc69614cab2c6d7214f517c7c5cfcee5ba1","cross_cats_sorted":["eess.SP"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.med-ph","submitted_at":"2022-03-15T10:55:41Z","title_canon_sha256":"98244dd12ce3b921a60bd57bf3ea2dd81725b2635f0b364944213d3c7576553c"},"schema_version":"1.0","source":{"id":"2203.07776","kind":"arxiv","version":1}},"canonical_sha256":"2648b26054966b95d82f1445e3a8938bc6210ee0a18663ce75c0ce65d520368c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2648b26054966b95d82f1445e3a8938bc6210ee0a18663ce75c0ce65d520368c","first_computed_at":"2026-07-05T09:25:25.880113Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:25:25.880113Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3D4oOkYNdF4O7qPRZ2EbMstHRCyajMhxArxds8KWIFVnOjRhGXgls47XlLI+1A28a0X6HohYFQhzA4dvy9eIDA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:25:25.880537Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.07776","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:35a13da4f420772dd99ec729e78bdd2aace3ae3c71327857667aa1c4c49cbc6b","sha256:1e219688c15a4640000766125f9907fc82980eed549dc300038ecaca1be2e5e9"],"state_sha256":"7ef3a6718296b28f78b557d3d23b71ef17e11b15605ef3a6f2feec41a52ef198"}