{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:4V2HHOOODZ325PSCCFWBT63ZHJ","short_pith_number":"pith:4V2HHOOO","schema_version":"1.0","canonical_sha256":"e57473b9ce1e77aebe42116c19fb793a50545b3fae5377f65108098ae518a0f1","source":{"kind":"arxiv","id":"2505.15535","version":1},"attestation_state":"computed","paper":{"title":"Matrix-Free Methods for Finite-Strain Elasticity: Automatic Code Generation with No Performance Overhead","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.NA"],"primary_cat":"math.NA","authors_text":"Jo\\v{z}e Korelc, Martin Kronbichler, Micha{\\l} Wichrowski, Mohsen Rezaee-Hajidehi, Stanis{\\l}aw Stupkiewicz","submitted_at":"2025-05-21T13:56:16Z","abstract_excerpt":"This study explores matrix-free tangent evaluations in finite-strain elasticity with the use of automatically-generated code for the quadrature-point level calculations. The code generation is done via automatic differentiation (AD) with AceGen. We compare hand-written and AD-generated codes under two computing strategies: on-the-fly evaluation and caching intermediate results. The comparison reveals that the AD-generated code achieves superior performance in matrix-free computations."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2505.15535","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"math.NA","submitted_at":"2025-05-21T13:56:16Z","cross_cats_sorted":["cs.NA"],"title_canon_sha256":"42fce3cacf5ff6a3565ec7490bc4eb45926b9df6d2d82dd927899b661bf551b2","abstract_canon_sha256":"1c55c29e71c4b100c0251ebec2d72b9f69eee5f8c92c38c9371d622cf386bc49"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:06:47.404282Z","signature_b64":"XZ3i3su9PoCPt5jmmU/Q3AMDFTPbuk53138S3Cz2sqVMQsS2vWEfFe+/YNnCiGUHSkkF8iZxS50MkaoaGy0uBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e57473b9ce1e77aebe42116c19fb793a50545b3fae5377f65108098ae518a0f1","last_reissued_at":"2026-07-05T11:06:47.403751Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:06:47.403751Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Matrix-Free Methods for Finite-Strain Elasticity: Automatic Code Generation with No Performance Overhead","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.NA"],"primary_cat":"math.NA","authors_text":"Jo\\v{z}e Korelc, Martin Kronbichler, Micha{\\l} Wichrowski, Mohsen Rezaee-Hajidehi, Stanis{\\l}aw Stupkiewicz","submitted_at":"2025-05-21T13:56:16Z","abstract_excerpt":"This study explores matrix-free tangent evaluations in finite-strain elasticity with the use of automatically-generated code for the quadrature-point level calculations. The code generation is done via automatic differentiation (AD) with AceGen. We compare hand-written and AD-generated codes under two computing strategies: on-the-fly evaluation and caching intermediate results. The comparison reveals that the AD-generated code achieves superior performance in matrix-free computations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.15535","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2505.15535/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2505.15535","created_at":"2026-07-05T11:06:47.403828+00:00"},{"alias_kind":"arxiv_version","alias_value":"2505.15535v1","created_at":"2026-07-05T11:06:47.403828+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.15535","created_at":"2026-07-05T11:06:47.403828+00:00"},{"alias_kind":"pith_short_12","alias_value":"4V2HHOOODZ32","created_at":"2026-07-05T11:06:47.403828+00:00"},{"alias_kind":"pith_short_16","alias_value":"4V2HHOOODZ325PSC","created_at":"2026-07-05T11:06:47.403828+00:00"},{"alias_kind":"pith_short_8","alias_value":"4V2HHOOO","created_at":"2026-07-05T11:06:47.403828+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2507.17053","citing_title":"Matrix-Free Evaluation of High-Order Shifted Boundary Finite Element Operators","ref_index":36,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4V2HHOOODZ325PSCCFWBT63ZHJ","json":"https://pith.science/pith/4V2HHOOODZ325PSCCFWBT63ZHJ.json","graph_json":"https://pith.science/api/pith-number/4V2HHOOODZ325PSCCFWBT63ZHJ/graph.json","events_json":"https://pith.science/api/pith-number/4V2HHOOODZ325PSCCFWBT63ZHJ/events.json","paper":"https://pith.science/paper/4V2HHOOO"},"agent_actions":{"view_html":"https://pith.science/pith/4V2HHOOODZ325PSCCFWBT63ZHJ","download_json":"https://pith.science/pith/4V2HHOOODZ325PSCCFWBT63ZHJ.json","view_paper":"https://pith.science/paper/4V2HHOOO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2505.15535&json=true","fetch_graph":"https://pith.science/api/pith-number/4V2HHOOODZ325PSCCFWBT63ZHJ/graph.json","fetch_events":"https://pith.science/api/pith-number/4V2HHOOODZ325PSCCFWBT63ZHJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4V2HHOOODZ325PSCCFWBT63ZHJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4V2HHOOODZ325PSCCFWBT63ZHJ/action/storage_attestation","attest_author":"https://pith.science/pith/4V2HHOOODZ325PSCCFWBT63ZHJ/action/author_attestation","sign_citation":"https://pith.science/pith/4V2HHOOODZ325PSCCFWBT63ZHJ/action/citation_signature","submit_replication":"https://pith.science/pith/4V2HHOOODZ325PSCCFWBT63ZHJ/action/replication_record"}},"created_at":"2026-07-05T11:06:47.403828+00:00","updated_at":"2026-07-05T11:06:47.403828+00:00"}