{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:LTZOKTM6SOEACDSRHHP64AP4CX","short_pith_number":"pith:LTZOKTM6","canonical_record":{"source":{"id":"1806.01470","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2018-06-05T02:53:20Z","cross_cats_sorted":["q-bio.TO"],"title_canon_sha256":"19a9a7be40d9b78ab9ff0d18d9701cf5284fb84ebbb46e68d18528811431c48d","abstract_canon_sha256":"01912481d5c51f53ad70656166ad03c8f70c2529dd4eeca52eb4603fa4c593c9"},"schema_version":"1.0"},"canonical_sha256":"5cf2e54d9e9388010e5139dfee01fc15dc522180d43a1740aba433e063ed3f07","source":{"kind":"arxiv","id":"1806.01470","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.01470","created_at":"2026-05-18T00:14:12Z"},{"alias_kind":"arxiv_version","alias_value":"1806.01470v1","created_at":"2026-05-18T00:14:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.01470","created_at":"2026-05-18T00:14:12Z"},{"alias_kind":"pith_short_12","alias_value":"LTZOKTM6SOEA","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LTZOKTM6SOEACDSR","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LTZOKTM6","created_at":"2026-05-18T12:32:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:LTZOKTM6SOEACDSRHHP64AP4CX","target":"record","payload":{"canonical_record":{"source":{"id":"1806.01470","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2018-06-05T02:53:20Z","cross_cats_sorted":["q-bio.TO"],"title_canon_sha256":"19a9a7be40d9b78ab9ff0d18d9701cf5284fb84ebbb46e68d18528811431c48d","abstract_canon_sha256":"01912481d5c51f53ad70656166ad03c8f70c2529dd4eeca52eb4603fa4c593c9"},"schema_version":"1.0"},"canonical_sha256":"5cf2e54d9e9388010e5139dfee01fc15dc522180d43a1740aba433e063ed3f07","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:12.835696Z","signature_b64":"Dapdck6wDBGUYaYbsclC1CDbabwka96Gwyk2x9xFTm4v4I5Esuu9HunMGuks8QUlD/AQE0zjZNQaxdtMoumlAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5cf2e54d9e9388010e5139dfee01fc15dc522180d43a1740aba433e063ed3f07","last_reissued_at":"2026-05-18T00:14:12.835245Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:12.835245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.01470","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":"2026-05-18T00:14:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CH73IbHqKS8xZcXypSlbIBLSkDDhhdNqgZXbabwMH6xg6plzXzLzZl6S1R4PU50FuJnzUQEbyVuypFVTlEtcCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T09:46:00.510085Z"},"content_sha256":"ccc69b9068a2caa47b5458f56de02b90fadf5e1a8983cd989b91b3f585e100d6","schema_version":"1.0","event_id":"sha256:ccc69b9068a2caa47b5458f56de02b90fadf5e1a8983cd989b91b3f585e100d6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:LTZOKTM6SOEACDSRHHP64AP4CX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental and Numerical Evaluations of the Viscoelastic Mechanical Behavior of Arterial Tissue","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.TO"],"primary_cat":"physics.med-ph","authors_text":"Addis Kidane, Michael A Sutton, Suraj Ravindran, Susan M Lessner, Tarek Shazly, Xiaochang Leng, Xiaomin Deng","submitted_at":"2018-06-05T02:53:20Z","abstract_excerpt":"The viscoelastic properties of arterial tissue dictate vessel behavior in certain disease states, injury modalities, and during some endovascular procedures. In this study, we characterized the viscoelastic mechanical response of porcine abdominal aortic tissue via uniaxial mechanical experiments on vascular tissue samples coupled with full-field surface strain measurements using the 2-D digital image correlation (DIC) technique. The measured stress relaxation response and intimal surface strain field were used to identify material parameters for a proposed viscoelastic anisotropic (VA) consti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.01470","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":"2026-05-18T00:14:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2jmmrOKWs9Roix12aDra/bdC9a24rufrO2bzvbK4c5YF8yg1ZULbzFT94NRnL7IBqFUAlp1qDnM/N2HtaU80Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T09:46:00.510671Z"},"content_sha256":"3069e9b2a9d2d3e8490883f8679781ef030d6ede352a118cda2b9ae118860930","schema_version":"1.0","event_id":"sha256:3069e9b2a9d2d3e8490883f8679781ef030d6ede352a118cda2b9ae118860930"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LTZOKTM6SOEACDSRHHP64AP4CX/bundle.json","state_url":"https://pith.science/pith/LTZOKTM6SOEACDSRHHP64AP4CX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LTZOKTM6SOEACDSRHHP64AP4CX/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":"2026-06-07T09:46:00Z","links":{"resolver":"https://pith.science/pith/LTZOKTM6SOEACDSRHHP64AP4CX","bundle":"https://pith.science/pith/LTZOKTM6SOEACDSRHHP64AP4CX/bundle.json","state":"https://pith.science/pith/LTZOKTM6SOEACDSRHHP64AP4CX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LTZOKTM6SOEACDSRHHP64AP4CX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:LTZOKTM6SOEACDSRHHP64AP4CX","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":"01912481d5c51f53ad70656166ad03c8f70c2529dd4eeca52eb4603fa4c593c9","cross_cats_sorted":["q-bio.TO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2018-06-05T02:53:20Z","title_canon_sha256":"19a9a7be40d9b78ab9ff0d18d9701cf5284fb84ebbb46e68d18528811431c48d"},"schema_version":"1.0","source":{"id":"1806.01470","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.01470","created_at":"2026-05-18T00:14:12Z"},{"alias_kind":"arxiv_version","alias_value":"1806.01470v1","created_at":"2026-05-18T00:14:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.01470","created_at":"2026-05-18T00:14:12Z"},{"alias_kind":"pith_short_12","alias_value":"LTZOKTM6SOEA","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LTZOKTM6SOEACDSR","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LTZOKTM6","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:3069e9b2a9d2d3e8490883f8679781ef030d6ede352a118cda2b9ae118860930","target":"graph","created_at":"2026-05-18T00:14:12Z","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":"The viscoelastic properties of arterial tissue dictate vessel behavior in certain disease states, injury modalities, and during some endovascular procedures. In this study, we characterized the viscoelastic mechanical response of porcine abdominal aortic tissue via uniaxial mechanical experiments on vascular tissue samples coupled with full-field surface strain measurements using the 2-D digital image correlation (DIC) technique. The measured stress relaxation response and intimal surface strain field were used to identify material parameters for a proposed viscoelastic anisotropic (VA) consti","authors_text":"Addis Kidane, Michael A Sutton, Suraj Ravindran, Susan M Lessner, Tarek Shazly, Xiaochang Leng, Xiaomin Deng","cross_cats":["q-bio.TO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2018-06-05T02:53:20Z","title":"Experimental and Numerical Evaluations of the Viscoelastic Mechanical Behavior of Arterial Tissue"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.01470","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:ccc69b9068a2caa47b5458f56de02b90fadf5e1a8983cd989b91b3f585e100d6","target":"record","created_at":"2026-05-18T00:14:12Z","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":"01912481d5c51f53ad70656166ad03c8f70c2529dd4eeca52eb4603fa4c593c9","cross_cats_sorted":["q-bio.TO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2018-06-05T02:53:20Z","title_canon_sha256":"19a9a7be40d9b78ab9ff0d18d9701cf5284fb84ebbb46e68d18528811431c48d"},"schema_version":"1.0","source":{"id":"1806.01470","kind":"arxiv","version":1}},"canonical_sha256":"5cf2e54d9e9388010e5139dfee01fc15dc522180d43a1740aba433e063ed3f07","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5cf2e54d9e9388010e5139dfee01fc15dc522180d43a1740aba433e063ed3f07","first_computed_at":"2026-05-18T00:14:12.835245Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:14:12.835245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Dapdck6wDBGUYaYbsclC1CDbabwka96Gwyk2x9xFTm4v4I5Esuu9HunMGuks8QUlD/AQE0zjZNQaxdtMoumlAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:14:12.835696Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.01470","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ccc69b9068a2caa47b5458f56de02b90fadf5e1a8983cd989b91b3f585e100d6","sha256:3069e9b2a9d2d3e8490883f8679781ef030d6ede352a118cda2b9ae118860930"],"state_sha256":"32c0cac9c319d9586d56f4cbd080f47d9a5d104e3be90fd3bd8c787f6ba616d1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nsf+3rft8AgfMIysM3pV1k0gznywFBEfvjk1f7q88jrYqAy8fpMBJyawaKCeWHG84jHmQprUHCGLheX01DwfCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T09:46:00.513889Z","bundle_sha256":"0d412a77269005b2636c7a442b6f424058c3395e05f5d332ffc52197daf93221"}}