{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:MA4OVDIT74XIRRTUAG5L2MZH2J","short_pith_number":"pith:MA4OVDIT","canonical_record":{"source":{"id":"1903.05160","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NA","submitted_at":"2019-03-09T09:47:23Z","cross_cats_sorted":["cs.CE"],"title_canon_sha256":"36153aee9641340c62d55c4915af9d78d41280b45d8e092d5d90cf901ea76125","abstract_canon_sha256":"fe2b238c7f5b99509702380d285bb715e434feafee422f9023d3095ac11f8e9a"},"schema_version":"1.0"},"canonical_sha256":"6038ea8d13ff2e88c67401babd3327d25ff5893fe268da74f771e247274321ae","source":{"kind":"arxiv","id":"1903.05160","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.05160","created_at":"2026-05-17T23:50:48Z"},{"alias_kind":"arxiv_version","alias_value":"1903.05160v2","created_at":"2026-05-17T23:50:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.05160","created_at":"2026-05-17T23:50:48Z"},{"alias_kind":"pith_short_12","alias_value":"MA4OVDIT74XI","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"MA4OVDIT74XIRRTU","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"MA4OVDIT","created_at":"2026-05-18T12:33:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:MA4OVDIT74XIRRTUAG5L2MZH2J","target":"record","payload":{"canonical_record":{"source":{"id":"1903.05160","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NA","submitted_at":"2019-03-09T09:47:23Z","cross_cats_sorted":["cs.CE"],"title_canon_sha256":"36153aee9641340c62d55c4915af9d78d41280b45d8e092d5d90cf901ea76125","abstract_canon_sha256":"fe2b238c7f5b99509702380d285bb715e434feafee422f9023d3095ac11f8e9a"},"schema_version":"1.0"},"canonical_sha256":"6038ea8d13ff2e88c67401babd3327d25ff5893fe268da74f771e247274321ae","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:48.504483Z","signature_b64":"2awex7Njfpj++3OXi+2ef+sFrw6tymEmjuIuAqt1Z//J53u3kK5ENZbd8RqudS5EmhkFY11Z7rurHuq9hGGfDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6038ea8d13ff2e88c67401babd3327d25ff5893fe268da74f771e247274321ae","last_reissued_at":"2026-05-17T23:50:48.503911Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:48.503911Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.05160","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":"2026-05-17T23:50:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BRJRJ6SBWGEmiuU5LpTAUNVR84rpKxys+3yaXqNBvU0ZnmkkfKOyhbIs+hEchjrMb1wG8Re3MT7E1PfbGIu9BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T09:28:08.643556Z"},"content_sha256":"e8f0ffdcc39241b70197780d39b8fffe86679a7e0be2daaea30200102d623d8e","schema_version":"1.0","event_id":"sha256:e8f0ffdcc39241b70197780d39b8fffe86679a7e0be2daaea30200102d623d8e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:MA4OVDIT74XIRRTUAG5L2MZH2J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An extended polygonal finite element method for large deformation fracture analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CE"],"primary_cat":"cs.NA","authors_text":"Hai D. Huynh, H. Nguyen-Xuan, Phuong Tran, Xiaoying Zhuang","submitted_at":"2019-03-09T09:47:23Z","abstract_excerpt":"The modeling of large deformation fracture mechanics has been a challenging problem regarding the accuracy of numerical methods and their ability to deal with considerable changes in deformations of meshes where having the presence of cracks. This paper further investigates the extended finite element method (XFEM) for the simulation of large strain fracture for hyper-elastic materials, in particular rubber ones. A crucial idea is to use a polygonal mesh to represent space of the present numerical technique in advance, and then a local refinement of structured meshes at the vicinity of the dis"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.05160","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":""},"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":"2026-05-17T23:50:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2tRn2VxzvbPdFJ3wLxiZUw0W9NH5eETr+PucCADYoNy4MGcA5ZU7qGW0jU/D7lFUYP8XJg2TgA0A/XZdM+qOAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T09:28:08.644120Z"},"content_sha256":"6496ff21689fe132a205b072e11e91ed3105f671eb42e8fe2fe81f2b9c6795f3","schema_version":"1.0","event_id":"sha256:6496ff21689fe132a205b072e11e91ed3105f671eb42e8fe2fe81f2b9c6795f3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MA4OVDIT74XIRRTUAG5L2MZH2J/bundle.json","state_url":"https://pith.science/pith/MA4OVDIT74XIRRTUAG5L2MZH2J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MA4OVDIT74XIRRTUAG5L2MZH2J/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":"2026-06-07T09:28:08Z","links":{"resolver":"https://pith.science/pith/MA4OVDIT74XIRRTUAG5L2MZH2J","bundle":"https://pith.science/pith/MA4OVDIT74XIRRTUAG5L2MZH2J/bundle.json","state":"https://pith.science/pith/MA4OVDIT74XIRRTUAG5L2MZH2J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MA4OVDIT74XIRRTUAG5L2MZH2J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:MA4OVDIT74XIRRTUAG5L2MZH2J","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":"fe2b238c7f5b99509702380d285bb715e434feafee422f9023d3095ac11f8e9a","cross_cats_sorted":["cs.CE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NA","submitted_at":"2019-03-09T09:47:23Z","title_canon_sha256":"36153aee9641340c62d55c4915af9d78d41280b45d8e092d5d90cf901ea76125"},"schema_version":"1.0","source":{"id":"1903.05160","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.05160","created_at":"2026-05-17T23:50:48Z"},{"alias_kind":"arxiv_version","alias_value":"1903.05160v2","created_at":"2026-05-17T23:50:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.05160","created_at":"2026-05-17T23:50:48Z"},{"alias_kind":"pith_short_12","alias_value":"MA4OVDIT74XI","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"MA4OVDIT74XIRRTU","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"MA4OVDIT","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:6496ff21689fe132a205b072e11e91ed3105f671eb42e8fe2fe81f2b9c6795f3","target":"graph","created_at":"2026-05-17T23:50:48Z","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 modeling of large deformation fracture mechanics has been a challenging problem regarding the accuracy of numerical methods and their ability to deal with considerable changes in deformations of meshes where having the presence of cracks. This paper further investigates the extended finite element method (XFEM) for the simulation of large strain fracture for hyper-elastic materials, in particular rubber ones. A crucial idea is to use a polygonal mesh to represent space of the present numerical technique in advance, and then a local refinement of structured meshes at the vicinity of the dis","authors_text":"Hai D. Huynh, H. Nguyen-Xuan, Phuong Tran, Xiaoying Zhuang","cross_cats":["cs.CE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NA","submitted_at":"2019-03-09T09:47:23Z","title":"An extended polygonal finite element method for large deformation fracture analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.05160","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:e8f0ffdcc39241b70197780d39b8fffe86679a7e0be2daaea30200102d623d8e","target":"record","created_at":"2026-05-17T23:50:48Z","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":"fe2b238c7f5b99509702380d285bb715e434feafee422f9023d3095ac11f8e9a","cross_cats_sorted":["cs.CE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NA","submitted_at":"2019-03-09T09:47:23Z","title_canon_sha256":"36153aee9641340c62d55c4915af9d78d41280b45d8e092d5d90cf901ea76125"},"schema_version":"1.0","source":{"id":"1903.05160","kind":"arxiv","version":2}},"canonical_sha256":"6038ea8d13ff2e88c67401babd3327d25ff5893fe268da74f771e247274321ae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6038ea8d13ff2e88c67401babd3327d25ff5893fe268da74f771e247274321ae","first_computed_at":"2026-05-17T23:50:48.503911Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:48.503911Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2awex7Njfpj++3OXi+2ef+sFrw6tymEmjuIuAqt1Z//J53u3kK5ENZbd8RqudS5EmhkFY11Z7rurHuq9hGGfDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:48.504483Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.05160","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e8f0ffdcc39241b70197780d39b8fffe86679a7e0be2daaea30200102d623d8e","sha256:6496ff21689fe132a205b072e11e91ed3105f671eb42e8fe2fe81f2b9c6795f3"],"state_sha256":"bdcbb91494e52849ad18aef24341f36a5149548e9d9aace0ade1aaa2b67b14b6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eDGx6W2YK9PGABjK6xawxOOj8Xey95lGdesPIIOq1RcrSU0WvF9MttnVX7AzKC2lNDq8o4mOpkyRasm0/PnZCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T09:28:08.647738Z","bundle_sha256":"754afa03fd34cc2d98b8a69f7bb2a2dc0ed78c22a3cbefe292cf2be13b5c955c"}}