{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:QWLUGWVKZDRIVX4F2CPZ2F5753","short_pith_number":"pith:QWLUGWVK","canonical_record":{"source":{"id":"1204.1137","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2012-04-05T07:49:39Z","cross_cats_sorted":[],"title_canon_sha256":"254cda2564dc9cf4ce13cc3ff5718a8189b786753d160039113cd5153bd083e2","abstract_canon_sha256":"2757d2d6a93675f56f602ebdbc3d0ccaab8a61663b73d8c7acb1ab74d2187b0a"},"schema_version":"1.0"},"canonical_sha256":"8597435aaac8e28adf85d09f9d17bfeeee429a793086be567a730ed7ec81ee07","source":{"kind":"arxiv","id":"1204.1137","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.1137","created_at":"2026-05-18T03:58:36Z"},{"alias_kind":"arxiv_version","alias_value":"1204.1137v1","created_at":"2026-05-18T03:58:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.1137","created_at":"2026-05-18T03:58:36Z"},{"alias_kind":"pith_short_12","alias_value":"QWLUGWVKZDRI","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"QWLUGWVKZDRIVX4F","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"QWLUGWVK","created_at":"2026-05-18T12:27:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:QWLUGWVKZDRIVX4F2CPZ2F5753","target":"record","payload":{"canonical_record":{"source":{"id":"1204.1137","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2012-04-05T07:49:39Z","cross_cats_sorted":[],"title_canon_sha256":"254cda2564dc9cf4ce13cc3ff5718a8189b786753d160039113cd5153bd083e2","abstract_canon_sha256":"2757d2d6a93675f56f602ebdbc3d0ccaab8a61663b73d8c7acb1ab74d2187b0a"},"schema_version":"1.0"},"canonical_sha256":"8597435aaac8e28adf85d09f9d17bfeeee429a793086be567a730ed7ec81ee07","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:58:36.307150Z","signature_b64":"3/O9f1bI+hLeNh5Nyrap7+IMoNGU95b/gmVk/LlIM+2zzCIAiZ64+j9uUCdGdeXuvuVZ/xZwXgJimiqgOu3NDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8597435aaac8e28adf85d09f9d17bfeeee429a793086be567a730ed7ec81ee07","last_reissued_at":"2026-05-18T03:58:36.306416Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:58:36.306416Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.1137","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":"2026-05-18T03:58:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l/oOVxVkoy0OZTEa0RORGSkSIvW4Xl4SRqOqyyX+MWChf/B8XWN0UpF89ZuTKSNI8KuI8zj585VQwgiNyIfUDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T23:51:49.349601Z"},"content_sha256":"968c7528d189b4ff792c80651bcb98679761f678c3874eb7aa370ea01928972a","schema_version":"1.0","event_id":"sha256:968c7528d189b4ff792c80651bcb98679761f678c3874eb7aa370ea01928972a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:QWLUGWVKZDRIVX4F2CPZ2F5753","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Computational comparison of the bending behavior of aortic stent-grafts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.med-ph","authors_text":"Christian Geindreau, Jean-No\\\"el Albertini, Jean-Pierre Favre, Laurent Org\\'eas, Nicolas Demanget, Pierre Badel, St\\'ephane Avril","submitted_at":"2012-04-05T07:49:39Z","abstract_excerpt":"Secondary interventions after endovascular repair of abdominal aortic aneurysms are frequent because stent-graft (SG) related complications may occur (mainly endoleak and SG thrombosis). Complications have been related to insufficient SG flexibility, especially when devices are deployed in tortuous arteries. Little is known on the relationship between SG design and flexibility. Therefore, the aim of this study was to simulate numerically the bending of two manufactured SGs (Aorfix-Lombard Medical (A) and Zenith-Cook Medical Europe (Z)) using finite element analysis (FEA). Global SG behavior wa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.1137","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":""},"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":"2026-05-18T03:58:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zA6zdM6lQXLqrx9cMptXhVsq3wy1+q0v6b9xg2dPGWYdSSpjZ415n/fvyH7cI5ZCvDBIgJjYd+lsASG5utgpCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T23:51:49.350421Z"},"content_sha256":"eaed20d29238892571ad79ef045f1f17dbedb95447c48316ac90dd84d5c01a01","schema_version":"1.0","event_id":"sha256:eaed20d29238892571ad79ef045f1f17dbedb95447c48316ac90dd84d5c01a01"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QWLUGWVKZDRIVX4F2CPZ2F5753/bundle.json","state_url":"https://pith.science/pith/QWLUGWVKZDRIVX4F2CPZ2F5753/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QWLUGWVKZDRIVX4F2CPZ2F5753/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":"2026-08-13T23:51:49Z","links":{"resolver":"https://pith.science/pith/QWLUGWVKZDRIVX4F2CPZ2F5753","bundle":"https://pith.science/pith/QWLUGWVKZDRIVX4F2CPZ2F5753/bundle.json","state":"https://pith.science/pith/QWLUGWVKZDRIVX4F2CPZ2F5753/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QWLUGWVKZDRIVX4F2CPZ2F5753/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:QWLUGWVKZDRIVX4F2CPZ2F5753","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":"2757d2d6a93675f56f602ebdbc3d0ccaab8a61663b73d8c7acb1ab74d2187b0a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2012-04-05T07:49:39Z","title_canon_sha256":"254cda2564dc9cf4ce13cc3ff5718a8189b786753d160039113cd5153bd083e2"},"schema_version":"1.0","source":{"id":"1204.1137","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.1137","created_at":"2026-05-18T03:58:36Z"},{"alias_kind":"arxiv_version","alias_value":"1204.1137v1","created_at":"2026-05-18T03:58:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.1137","created_at":"2026-05-18T03:58:36Z"},{"alias_kind":"pith_short_12","alias_value":"QWLUGWVKZDRI","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"QWLUGWVKZDRIVX4F","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"QWLUGWVK","created_at":"2026-05-18T12:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:eaed20d29238892571ad79ef045f1f17dbedb95447c48316ac90dd84d5c01a01","target":"graph","created_at":"2026-05-18T03:58:36Z","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"},"paper":{"abstract_excerpt":"Secondary interventions after endovascular repair of abdominal aortic aneurysms are frequent because stent-graft (SG) related complications may occur (mainly endoleak and SG thrombosis). Complications have been related to insufficient SG flexibility, especially when devices are deployed in tortuous arteries. Little is known on the relationship between SG design and flexibility. Therefore, the aim of this study was to simulate numerically the bending of two manufactured SGs (Aorfix-Lombard Medical (A) and Zenith-Cook Medical Europe (Z)) using finite element analysis (FEA). Global SG behavior wa","authors_text":"Christian Geindreau, Jean-No\\\"el Albertini, Jean-Pierre Favre, Laurent Org\\'eas, Nicolas Demanget, Pierre Badel, St\\'ephane Avril","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2012-04-05T07:49:39Z","title":"Computational comparison of the bending behavior of aortic stent-grafts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.1137","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":"sha256:968c7528d189b4ff792c80651bcb98679761f678c3874eb7aa370ea01928972a","target":"record","created_at":"2026-05-18T03:58:36Z","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":"2757d2d6a93675f56f602ebdbc3d0ccaab8a61663b73d8c7acb1ab74d2187b0a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2012-04-05T07:49:39Z","title_canon_sha256":"254cda2564dc9cf4ce13cc3ff5718a8189b786753d160039113cd5153bd083e2"},"schema_version":"1.0","source":{"id":"1204.1137","kind":"arxiv","version":1}},"canonical_sha256":"8597435aaac8e28adf85d09f9d17bfeeee429a793086be567a730ed7ec81ee07","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8597435aaac8e28adf85d09f9d17bfeeee429a793086be567a730ed7ec81ee07","first_computed_at":"2026-05-18T03:58:36.306416Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:58:36.306416Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3/O9f1bI+hLeNh5Nyrap7+IMoNGU95b/gmVk/LlIM+2zzCIAiZ64+j9uUCdGdeXuvuVZ/xZwXgJimiqgOu3NDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:58:36.307150Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.1137","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:968c7528d189b4ff792c80651bcb98679761f678c3874eb7aa370ea01928972a","sha256:eaed20d29238892571ad79ef045f1f17dbedb95447c48316ac90dd84d5c01a01"],"state_sha256":"90cf7108f59a252c5b2569554ef48e37349234b943d004dd34a374b91253515d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KyOQ7GY3gmK8yhwEr/R2PKA8+ujF3/Fk6s/CTrbDRVeE3llVxLzdQSL43dXjQv18sYuJwzsF+o0MrFREBXmgDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T23:51:49.363386Z","bundle_sha256":"1ff6737bae7cf074e9fc177a35fd5928359dcb974ec5b6ce097005d55b119a01"}}