{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:UPKTEZPXNR6V4SVMWWM6FPYRQ5","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":"82175d2e785237e18b968067dce6432011af517cdb021f79745f552e76e39780","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2025-08-06T04:25:44Z","title_canon_sha256":"4bc3917579730b0d7c3d17e7fe1d9187f57f2ac48dc04b3b59fca81ff6e6f198"},"schema_version":"1.0","source":{"id":"2508.04076","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.04076","created_at":"2026-07-05T11:49:20Z"},{"alias_kind":"arxiv_version","alias_value":"2508.04076v1","created_at":"2026-07-05T11:49:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.04076","created_at":"2026-07-05T11:49:20Z"},{"alias_kind":"pith_short_12","alias_value":"UPKTEZPXNR6V","created_at":"2026-07-05T11:49:20Z"},{"alias_kind":"pith_short_16","alias_value":"UPKTEZPXNR6V4SVM","created_at":"2026-07-05T11:49:20Z"},{"alias_kind":"pith_short_8","alias_value":"UPKTEZPX","created_at":"2026-07-05T11:49:20Z"}],"graph_snapshots":[{"event_id":"sha256:b7e49d6bbdf1b3caa5aef3f240f8935187cf3a7749bc629f1434d6d15f92b4bd","target":"graph","created_at":"2026-07-05T11:49:20Z","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/2508.04076/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This work presents a novel three-dimensional Crack Element Method (CEM) designed to model transient dynamic crack propagation in quasi-brittle materials efficiently. CEM introduces an advanced element-splitting algorithm that enables element-wise crack growth, including crack branching. Based on the evolving topology of split elements, an original formulation for computing the fracture energy release rate in three dimensions is derived. A series of benchmark examples is conducted to demonstrate that the proposed 3D CEM accurately simulates both single crack propagation and complex crack branch","authors_text":"C.T. Wu, Lu Xu, Shaofan Li, Tinh Q. Bui, Wei Hu, Yuxi Xie","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2025-08-06T04:25:44Z","title":"A GPU-Accelerated Three-Dimensional Crack Element Method for Transient Dynamic Fracture Simulation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.04076","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:c9d88a28327b81bbc834f354fca3610fc6c4d2b6ebdac8ecb4e91f5753732679","target":"record","created_at":"2026-07-05T11:49:20Z","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":"82175d2e785237e18b968067dce6432011af517cdb021f79745f552e76e39780","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2025-08-06T04:25:44Z","title_canon_sha256":"4bc3917579730b0d7c3d17e7fe1d9187f57f2ac48dc04b3b59fca81ff6e6f198"},"schema_version":"1.0","source":{"id":"2508.04076","kind":"arxiv","version":1}},"canonical_sha256":"a3d53265f76c7d5e4aacb599e2bf11874c772737ada41f8182787e24236642ab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a3d53265f76c7d5e4aacb599e2bf11874c772737ada41f8182787e24236642ab","first_computed_at":"2026-07-05T11:49:20.262676Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:49:20.262676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9boibf6yK0Xw5gf4JTnRefUpOoRdNEEX9cMZlRpqNzwmyPLtqXkyPsHw6/aoIwMDm5fLpaA0Vk4BUqFqwDVcCA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:49:20.263105Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.04076","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c9d88a28327b81bbc834f354fca3610fc6c4d2b6ebdac8ecb4e91f5753732679","sha256:b7e49d6bbdf1b3caa5aef3f240f8935187cf3a7749bc629f1434d6d15f92b4bd"],"state_sha256":"ab4426ce28e918a829e3d32e17915d8fd8a343052ef00988d07d31061cec25c9"}