{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:RL6W4E6E5Y3I7C2OBJGFERV2TT","short_pith_number":"pith:RL6W4E6E","canonical_record":{"source":{"id":"2302.04939","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2023-02-09T21:13:58Z","cross_cats_sorted":["cs.NA","math.NA","q-bio.TO"],"title_canon_sha256":"633bbe0bbcc246bcd7c8e2b6161f7068033ccbf86fc1523af0aef5748f2a1803","abstract_canon_sha256":"64e492708837d57ab64bff2f5202f4af50b126667166ff65919df51303c5dea4"},"schema_version":"1.0"},"canonical_sha256":"8afd6e13c4ee368f8b4e0a4c5246ba9cc317f0db9987b58e1728f73fe4507cc4","source":{"kind":"arxiv","id":"2302.04939","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.04939","created_at":"2026-07-05T08:35:34Z"},{"alias_kind":"arxiv_version","alias_value":"2302.04939v2","created_at":"2026-07-05T08:35:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.04939","created_at":"2026-07-05T08:35:34Z"},{"alias_kind":"pith_short_12","alias_value":"RL6W4E6E5Y3I","created_at":"2026-07-05T08:35:34Z"},{"alias_kind":"pith_short_16","alias_value":"RL6W4E6E5Y3I7C2O","created_at":"2026-07-05T08:35:34Z"},{"alias_kind":"pith_short_8","alias_value":"RL6W4E6E","created_at":"2026-07-05T08:35:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:RL6W4E6E5Y3I7C2OBJGFERV2TT","target":"record","payload":{"canonical_record":{"source":{"id":"2302.04939","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2023-02-09T21:13:58Z","cross_cats_sorted":["cs.NA","math.NA","q-bio.TO"],"title_canon_sha256":"633bbe0bbcc246bcd7c8e2b6161f7068033ccbf86fc1523af0aef5748f2a1803","abstract_canon_sha256":"64e492708837d57ab64bff2f5202f4af50b126667166ff65919df51303c5dea4"},"schema_version":"1.0"},"canonical_sha256":"8afd6e13c4ee368f8b4e0a4c5246ba9cc317f0db9987b58e1728f73fe4507cc4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:35:34.268863Z","signature_b64":"w4PDUp7l0w0Oqxx5M1OMkYLLv8L4811c7AHqpppSCWM0Pu6ZuUnzXPJjgz/L8xphmg2H/r6Ceb6noZlOCxuJBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8afd6e13c4ee368f8b4e0a4c5246ba9cc317f0db9987b58e1728f73fe4507cc4","last_reissued_at":"2026-07-05T08:35:34.268510Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:35:34.268510Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.04939","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:35:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Muf1AnOeJHveGl5o/QsReimcuAiWttT1js2VKPczNtxloq2t9sdag7Rlbt2XIfEDWGiLll2mBppJXg0o9W9MDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T21:47:43.906410Z"},"content_sha256":"5602a59db1f043b9e426ec685eb59de5e84351ccabc8f1d6dd145232e6d33e0e","schema_version":"1.0","event_id":"sha256:5602a59db1f043b9e426ec685eb59de5e84351ccabc8f1d6dd145232e6d33e0e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:RL6W4E6E5Y3I7C2OBJGFERV2TT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The effects of leaflet material properties on the simulated function of regurgitant mitral valves","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.NA","math.NA","q-bio.TO"],"primary_cat":"physics.med-ph","authors_text":"Andras Lasso, Devin W. Laurence, Jeffrey A. Weiss, Matthew A. Jolley, Patricia Sabin, Stephen Ching, Steve A. Maas, Wensi Wu","submitted_at":"2023-02-09T21:13:58Z","abstract_excerpt":"Advances in three-dimensional imaging provide the ability to construct and analyze finite element (FE) models to evaluate the biomechanical behavior and function of atrioventricular valves. However, while obtaining patient-specific valve geometry is now possible, non-invasive measurement of patient-specific leaflet material properties remains nearly impossible. Both valve geometry and tissue properties play a significant role in governing valve dynamics, leading to the central question of whether clinically relevant insights can be attained from FE analysis of atrioventricular valves without p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.04939","kind":"arxiv","version":2},"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/2302.04939/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":"2026-07-05T08:35:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GvdsuaaqEFHN0KqTrxS7OENHEoOVnsYDvjaYZQLVaD2aIUZAw/GQxl6XjIPuQr3yrdo9TOyigfML9pvrtwBoCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T21:47:43.906944Z"},"content_sha256":"8109c8b315b2c27dc29bd4097db54139780e411ca29715cc9e50f287b693f795","schema_version":"1.0","event_id":"sha256:8109c8b315b2c27dc29bd4097db54139780e411ca29715cc9e50f287b693f795"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RL6W4E6E5Y3I7C2OBJGFERV2TT/bundle.json","state_url":"https://pith.science/pith/RL6W4E6E5Y3I7C2OBJGFERV2TT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RL6W4E6E5Y3I7C2OBJGFERV2TT/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":"2026-08-08T21:47:43Z","links":{"resolver":"https://pith.science/pith/RL6W4E6E5Y3I7C2OBJGFERV2TT","bundle":"https://pith.science/pith/RL6W4E6E5Y3I7C2OBJGFERV2TT/bundle.json","state":"https://pith.science/pith/RL6W4E6E5Y3I7C2OBJGFERV2TT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RL6W4E6E5Y3I7C2OBJGFERV2TT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:RL6W4E6E5Y3I7C2OBJGFERV2TT","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":"64e492708837d57ab64bff2f5202f4af50b126667166ff65919df51303c5dea4","cross_cats_sorted":["cs.NA","math.NA","q-bio.TO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2023-02-09T21:13:58Z","title_canon_sha256":"633bbe0bbcc246bcd7c8e2b6161f7068033ccbf86fc1523af0aef5748f2a1803"},"schema_version":"1.0","source":{"id":"2302.04939","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.04939","created_at":"2026-07-05T08:35:34Z"},{"alias_kind":"arxiv_version","alias_value":"2302.04939v2","created_at":"2026-07-05T08:35:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.04939","created_at":"2026-07-05T08:35:34Z"},{"alias_kind":"pith_short_12","alias_value":"RL6W4E6E5Y3I","created_at":"2026-07-05T08:35:34Z"},{"alias_kind":"pith_short_16","alias_value":"RL6W4E6E5Y3I7C2O","created_at":"2026-07-05T08:35:34Z"},{"alias_kind":"pith_short_8","alias_value":"RL6W4E6E","created_at":"2026-07-05T08:35:34Z"}],"graph_snapshots":[{"event_id":"sha256:8109c8b315b2c27dc29bd4097db54139780e411ca29715cc9e50f287b693f795","target":"graph","created_at":"2026-07-05T08:35:34Z","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/2302.04939/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Advances in three-dimensional imaging provide the ability to construct and analyze finite element (FE) models to evaluate the biomechanical behavior and function of atrioventricular valves. However, while obtaining patient-specific valve geometry is now possible, non-invasive measurement of patient-specific leaflet material properties remains nearly impossible. Both valve geometry and tissue properties play a significant role in governing valve dynamics, leading to the central question of whether clinically relevant insights can be attained from FE analysis of atrioventricular valves without p","authors_text":"Andras Lasso, Devin W. Laurence, Jeffrey A. Weiss, Matthew A. Jolley, Patricia Sabin, Stephen Ching, Steve A. Maas, Wensi Wu","cross_cats":["cs.NA","math.NA","q-bio.TO"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2023-02-09T21:13:58Z","title":"The effects of leaflet material properties on the simulated function of regurgitant mitral valves"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.04939","kind":"arxiv","version":2},"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":"sha256:5602a59db1f043b9e426ec685eb59de5e84351ccabc8f1d6dd145232e6d33e0e","target":"record","created_at":"2026-07-05T08:35:34Z","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":"64e492708837d57ab64bff2f5202f4af50b126667166ff65919df51303c5dea4","cross_cats_sorted":["cs.NA","math.NA","q-bio.TO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2023-02-09T21:13:58Z","title_canon_sha256":"633bbe0bbcc246bcd7c8e2b6161f7068033ccbf86fc1523af0aef5748f2a1803"},"schema_version":"1.0","source":{"id":"2302.04939","kind":"arxiv","version":2}},"canonical_sha256":"8afd6e13c4ee368f8b4e0a4c5246ba9cc317f0db9987b58e1728f73fe4507cc4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8afd6e13c4ee368f8b4e0a4c5246ba9cc317f0db9987b58e1728f73fe4507cc4","first_computed_at":"2026-07-05T08:35:34.268510Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:35:34.268510Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"w4PDUp7l0w0Oqxx5M1OMkYLLv8L4811c7AHqpppSCWM0Pu6ZuUnzXPJjgz/L8xphmg2H/r6Ceb6noZlOCxuJBA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:35:34.268863Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.04939","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5602a59db1f043b9e426ec685eb59de5e84351ccabc8f1d6dd145232e6d33e0e","sha256:8109c8b315b2c27dc29bd4097db54139780e411ca29715cc9e50f287b693f795"],"state_sha256":"ab250fa3b075a46365c72be6e1c5ba0772ab9a204c1626268d5d6137a87fb054"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kvqz4ktdIYOARLXfi02+7vpfXEbZGLvwJJaXVnALVJwGJneOKqcC9nF50fIXPSxaR1DefH1NHe4gXYEAUSjIDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T21:47:43.910916Z","bundle_sha256":"ccbee5d75f75f0b4db5b86403b7394982e47992832ea9e76bd3b273d94495171"}}