{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:6VNYP7IFV7AZVMNATLI7GB5PKW","short_pith_number":"pith:6VNYP7IF","schema_version":"1.0","canonical_sha256":"f55b87fd05afc19ab1a09ad1f307af55be60d7253b463200611c01cf4c8ca180","source":{"kind":"arxiv","id":"1701.07452","version":1},"attestation_state":"computed","paper":{"title":"WOMBAT: A Scalable and High Performance Astrophysical MHD Code","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Brian J. O'Neill, Chris Nolting, David Porter, Julius M. F. Donnert, Krishna Kandalla, Nick Radcliffe, Paul Edmon, Peter Mendygral, Thomas W. Jones","submitted_at":"2017-01-25T19:07:47Z","abstract_excerpt":"We present a new code for astrophysical magneto-hydrodynamics specifically designed and optimized for high performance and scaling on modern and future supercomputers. We describe a novel hybrid OpenMP/MPI programming model that emerged from a collaboration between Cray, Inc. and the University of Minnesota. This design utilizes MPI-RMA optimized for thread scaling, which allows the code to run extremely efficiently at very high thread counts ideal for the latest generation of the multi-core and many-core architectures. Such performance characteristics are needed in the era of \"exascale\" compu"},"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":"1701.07452","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-01-25T19:07:47Z","cross_cats_sorted":[],"title_canon_sha256":"43fda5320b771553701657ece8ed6e57d4bb6c137ae707f00cf8101a7bb1da88","abstract_canon_sha256":"36fdf45eb14605a50eb51f1fabd67baab1033b3f146b56a958000cb7030a4ec2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:49:09.503947Z","signature_b64":"lcNDKVUeqqH2Qrke+AH44ihfnSrGCZUBMaj6ydgVeTm/PToCRgmfDlUHzxFXIMFZtYOU3Vu/6CyB52uyNF3yAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f55b87fd05afc19ab1a09ad1f307af55be60d7253b463200611c01cf4c8ca180","last_reissued_at":"2026-05-18T00:49:09.503266Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:49:09.503266Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"WOMBAT: A Scalable and High Performance Astrophysical MHD Code","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Brian J. O'Neill, Chris Nolting, David Porter, Julius M. F. Donnert, Krishna Kandalla, Nick Radcliffe, Paul Edmon, Peter Mendygral, Thomas W. Jones","submitted_at":"2017-01-25T19:07:47Z","abstract_excerpt":"We present a new code for astrophysical magneto-hydrodynamics specifically designed and optimized for high performance and scaling on modern and future supercomputers. We describe a novel hybrid OpenMP/MPI programming model that emerged from a collaboration between Cray, Inc. and the University of Minnesota. This design utilizes MPI-RMA optimized for thread scaling, which allows the code to run extremely efficiently at very high thread counts ideal for the latest generation of the multi-core and many-core architectures. Such performance characteristics are needed in the era of \"exascale\" compu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.07452","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1701.07452","created_at":"2026-05-18T00:49:09.503367+00:00"},{"alias_kind":"arxiv_version","alias_value":"1701.07452v1","created_at":"2026-05-18T00:49:09.503367+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.07452","created_at":"2026-05-18T00:49:09.503367+00:00"},{"alias_kind":"pith_short_12","alias_value":"6VNYP7IFV7AZ","created_at":"2026-05-18T12:31:03.183658+00:00"},{"alias_kind":"pith_short_16","alias_value":"6VNYP7IFV7AZVMNA","created_at":"2026-05-18T12:31:03.183658+00:00"},{"alias_kind":"pith_short_8","alias_value":"6VNYP7IF","created_at":"2026-05-18T12:31:03.183658+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/6VNYP7IFV7AZVMNATLI7GB5PKW","json":"https://pith.science/pith/6VNYP7IFV7AZVMNATLI7GB5PKW.json","graph_json":"https://pith.science/api/pith-number/6VNYP7IFV7AZVMNATLI7GB5PKW/graph.json","events_json":"https://pith.science/api/pith-number/6VNYP7IFV7AZVMNATLI7GB5PKW/events.json","paper":"https://pith.science/paper/6VNYP7IF"},"agent_actions":{"view_html":"https://pith.science/pith/6VNYP7IFV7AZVMNATLI7GB5PKW","download_json":"https://pith.science/pith/6VNYP7IFV7AZVMNATLI7GB5PKW.json","view_paper":"https://pith.science/paper/6VNYP7IF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1701.07452&json=true","fetch_graph":"https://pith.science/api/pith-number/6VNYP7IFV7AZVMNATLI7GB5PKW/graph.json","fetch_events":"https://pith.science/api/pith-number/6VNYP7IFV7AZVMNATLI7GB5PKW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6VNYP7IFV7AZVMNATLI7GB5PKW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6VNYP7IFV7AZVMNATLI7GB5PKW/action/storage_attestation","attest_author":"https://pith.science/pith/6VNYP7IFV7AZVMNATLI7GB5PKW/action/author_attestation","sign_citation":"https://pith.science/pith/6VNYP7IFV7AZVMNATLI7GB5PKW/action/citation_signature","submit_replication":"https://pith.science/pith/6VNYP7IFV7AZVMNATLI7GB5PKW/action/replication_record"}},"created_at":"2026-05-18T00:49:09.503367+00:00","updated_at":"2026-05-18T00:49:09.503367+00:00"}