{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:6VBU3GMC5IXEXK6K7VGRAXXXYD","short_pith_number":"pith:6VBU3GMC","schema_version":"1.0","canonical_sha256":"f5434d9982ea2e4babcafd4d105ef7c0e7e89b5a546d6eddeebb6965c1d144d4","source":{"kind":"arxiv","id":"1811.07925","version":3},"attestation_state":"computed","paper":{"title":"Asymptotically stable numerical method for multispecies momentum transfer: gas and multifluid-dust test suite and implementation in FARGO3D","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Leonardo Krapp, Mart\\'in E. Pessah, Pablo Ben\\'itez-Llambay","submitted_at":"2018-11-19T19:04:26Z","abstract_excerpt":"We present an asymptotically and unconditionally stable numerical method to account for the momentum transfer between multiple species. Momentum is conserved to machine precision. This implies that the asymptotic equilibrium corresponds to the velocity of the center of mass. Aimed at studying dust dynamics, we implement this numerical method in the publicly available code FARGO3D. To validate our implementation, we develop a test suite for an arbitrary number of species, based on analytical or exact solutions of problems related to perfect damping, damped sound waves, shocks, local and global "},"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":"1811.07925","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-11-19T19:04:26Z","cross_cats_sorted":[],"title_canon_sha256":"85f67da72b011e530f9b75e8b183bd6c2a07293fa0bc95aa3d2093470568eaa0","abstract_canon_sha256":"00ba8fd9f8dcf0af4408c31a44e8ba390dc096de859e0a4f5922bb45c66ae4dd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:50.480813Z","signature_b64":"fRPq5lSWu4fdMylEkCRnpFbPz7EDumaTcj4SYQ7mv7asaH1LmQdca/KzKJBz045SR+IWWoWfGq7NPifPg+gIBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f5434d9982ea2e4babcafd4d105ef7c0e7e89b5a546d6eddeebb6965c1d144d4","last_reissued_at":"2026-05-17T23:43:50.480118Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:50.480118Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Asymptotically stable numerical method for multispecies momentum transfer: gas and multifluid-dust test suite and implementation in FARGO3D","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Leonardo Krapp, Mart\\'in E. Pessah, Pablo Ben\\'itez-Llambay","submitted_at":"2018-11-19T19:04:26Z","abstract_excerpt":"We present an asymptotically and unconditionally stable numerical method to account for the momentum transfer between multiple species. Momentum is conserved to machine precision. This implies that the asymptotic equilibrium corresponds to the velocity of the center of mass. Aimed at studying dust dynamics, we implement this numerical method in the publicly available code FARGO3D. To validate our implementation, we develop a test suite for an arbitrary number of species, based on analytical or exact solutions of problems related to perfect damping, damped sound waves, shocks, local and global "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.07925","kind":"arxiv","version":3},"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":"1811.07925","created_at":"2026-05-17T23:43:50.480229+00:00"},{"alias_kind":"arxiv_version","alias_value":"1811.07925v3","created_at":"2026-05-17T23:43:50.480229+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.07925","created_at":"2026-05-17T23:43:50.480229+00:00"},{"alias_kind":"pith_short_12","alias_value":"6VBU3GMC5IXE","created_at":"2026-05-18T12:32:11.075285+00:00"},{"alias_kind":"pith_short_16","alias_value":"6VBU3GMC5IXEXK6K","created_at":"2026-05-18T12:32:11.075285+00:00"},{"alias_kind":"pith_short_8","alias_value":"6VBU3GMC","created_at":"2026-05-18T12:32:11.075285+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/6VBU3GMC5IXEXK6K7VGRAXXXYD","json":"https://pith.science/pith/6VBU3GMC5IXEXK6K7VGRAXXXYD.json","graph_json":"https://pith.science/api/pith-number/6VBU3GMC5IXEXK6K7VGRAXXXYD/graph.json","events_json":"https://pith.science/api/pith-number/6VBU3GMC5IXEXK6K7VGRAXXXYD/events.json","paper":"https://pith.science/paper/6VBU3GMC"},"agent_actions":{"view_html":"https://pith.science/pith/6VBU3GMC5IXEXK6K7VGRAXXXYD","download_json":"https://pith.science/pith/6VBU3GMC5IXEXK6K7VGRAXXXYD.json","view_paper":"https://pith.science/paper/6VBU3GMC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1811.07925&json=true","fetch_graph":"https://pith.science/api/pith-number/6VBU3GMC5IXEXK6K7VGRAXXXYD/graph.json","fetch_events":"https://pith.science/api/pith-number/6VBU3GMC5IXEXK6K7VGRAXXXYD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6VBU3GMC5IXEXK6K7VGRAXXXYD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6VBU3GMC5IXEXK6K7VGRAXXXYD/action/storage_attestation","attest_author":"https://pith.science/pith/6VBU3GMC5IXEXK6K7VGRAXXXYD/action/author_attestation","sign_citation":"https://pith.science/pith/6VBU3GMC5IXEXK6K7VGRAXXXYD/action/citation_signature","submit_replication":"https://pith.science/pith/6VBU3GMC5IXEXK6K7VGRAXXXYD/action/replication_record"}},"created_at":"2026-05-17T23:43:50.480229+00:00","updated_at":"2026-05-17T23:43:50.480229+00:00"}