{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:RH44IXKUUM4CTC2UDMIWWXQLV5","short_pith_number":"pith:RH44IXKU","schema_version":"1.0","canonical_sha256":"89f9c45d54a338298b541b116b5e0baf7059926a2e95cd5ea977025690d39ad9","source":{"kind":"arxiv","id":"2506.09435","version":1},"attestation_state":"computed","paper":{"title":"FNPF-SEM: A parallel spectral element model in Firedrake for fully nonlinear water wave simulations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.NA"],"primary_cat":"math.NA","authors_text":"Allan Peter Engsig-Karup, Anders Melander, Jens Visbech","submitted_at":"2025-06-11T06:36:43Z","abstract_excerpt":"We present a new parallel spectral element solver, FNPF-SEM, for simulating linear and fully nonlinear potential flow-based water waves and their interaction with offshore structures. The tool is designed as a general-purpose wave model for offshore engineering applications. Built within the open-source framework Firedrake, the new FNPF-SEM model is designed as a computational tool capable of capturing both linear and nonlinear wave phenomena with high accuracy and efficiency, with support for high-order (spectral) finite elements. Additionally, Firedrake provides native support for MPI-based "},"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":"2506.09435","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"math.NA","submitted_at":"2025-06-11T06:36:43Z","cross_cats_sorted":["cs.NA"],"title_canon_sha256":"3b7ffb1723ee0cb37ea81107ac3066931d9c583f1bd42983fcaaebef06835235","abstract_canon_sha256":"3a4250c9e3cbab92bc79ae0d32ebde8d84b16782168432fe6643fa2f6107537a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:19:37.146560Z","signature_b64":"gqH7tJvaAG34UY5DJGY3KhCMXv9NlGVgaiCM4+P7oYU4OUTg/DfsH69fNUk4KgZPDK019NfAzPTr6ZJRq3IsBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"89f9c45d54a338298b541b116b5e0baf7059926a2e95cd5ea977025690d39ad9","last_reissued_at":"2026-07-05T11:19:37.146098Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:19:37.146098Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"FNPF-SEM: A parallel spectral element model in Firedrake for fully nonlinear water wave simulations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.NA"],"primary_cat":"math.NA","authors_text":"Allan Peter Engsig-Karup, Anders Melander, Jens Visbech","submitted_at":"2025-06-11T06:36:43Z","abstract_excerpt":"We present a new parallel spectral element solver, FNPF-SEM, for simulating linear and fully nonlinear potential flow-based water waves and their interaction with offshore structures. The tool is designed as a general-purpose wave model for offshore engineering applications. Built within the open-source framework Firedrake, the new FNPF-SEM model is designed as a computational tool capable of capturing both linear and nonlinear wave phenomena with high accuracy and efficiency, with support for high-order (spectral) finite elements. Additionally, Firedrake provides native support for MPI-based "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.09435","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/2506.09435/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":"2506.09435","created_at":"2026-07-05T11:19:37.146151+00:00"},{"alias_kind":"arxiv_version","alias_value":"2506.09435v1","created_at":"2026-07-05T11:19:37.146151+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.09435","created_at":"2026-07-05T11:19:37.146151+00:00"},{"alias_kind":"pith_short_12","alias_value":"RH44IXKUUM4C","created_at":"2026-07-05T11:19:37.146151+00:00"},{"alias_kind":"pith_short_16","alias_value":"RH44IXKUUM4CTC2U","created_at":"2026-07-05T11:19:37.146151+00:00"},{"alias_kind":"pith_short_8","alias_value":"RH44IXKU","created_at":"2026-07-05T11:19:37.146151+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RH44IXKUUM4CTC2UDMIWWXQLV5","json":"https://pith.science/pith/RH44IXKUUM4CTC2UDMIWWXQLV5.json","graph_json":"https://pith.science/api/pith-number/RH44IXKUUM4CTC2UDMIWWXQLV5/graph.json","events_json":"https://pith.science/api/pith-number/RH44IXKUUM4CTC2UDMIWWXQLV5/events.json","paper":"https://pith.science/paper/RH44IXKU"},"agent_actions":{"view_html":"https://pith.science/pith/RH44IXKUUM4CTC2UDMIWWXQLV5","download_json":"https://pith.science/pith/RH44IXKUUM4CTC2UDMIWWXQLV5.json","view_paper":"https://pith.science/paper/RH44IXKU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2506.09435&json=true","fetch_graph":"https://pith.science/api/pith-number/RH44IXKUUM4CTC2UDMIWWXQLV5/graph.json","fetch_events":"https://pith.science/api/pith-number/RH44IXKUUM4CTC2UDMIWWXQLV5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RH44IXKUUM4CTC2UDMIWWXQLV5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RH44IXKUUM4CTC2UDMIWWXQLV5/action/storage_attestation","attest_author":"https://pith.science/pith/RH44IXKUUM4CTC2UDMIWWXQLV5/action/author_attestation","sign_citation":"https://pith.science/pith/RH44IXKUUM4CTC2UDMIWWXQLV5/action/citation_signature","submit_replication":"https://pith.science/pith/RH44IXKUUM4CTC2UDMIWWXQLV5/action/replication_record"}},"created_at":"2026-07-05T11:19:37.146151+00:00","updated_at":"2026-07-05T11:19:37.146151+00:00"}