{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:5PINIFBS6BOZTIGSNJI52K6WH4","short_pith_number":"pith:5PINIFBS","schema_version":"1.0","canonical_sha256":"ebd0d41432f05d99a0d26a51dd2bd63f1a48e2a1ed8c96178453ca738bcb5027","source":{"kind":"arxiv","id":"1704.08501","version":1},"attestation_state":"computed","paper":{"title":"Second-order accurate genuine BGK schemes for the ultra-relativistic flow simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.NA","authors_text":"Huazhong Tang, Yangyu Kuang, Yaping Chen","submitted_at":"2017-04-27T10:47:21Z","abstract_excerpt":"This paper presents second-order accurate genuine BGK (Bhatnagar-Gross-Krook) schemes in the framework of finite volume method for the ultra-relativistic flows. Different from the existing kinetic flux-vector splitting (KFVS) or BGK-type schemes for the ultra-relativistic Euler equations, the present genuine BGK schemes are derived from the analytical solution of the Anderson-Witting model, which is given for the first time and includes the \"genuine\" particle collisions in the gas transport process. The BGK schemes for the ultra-relativistic viscous flows are also developed and two examples of"},"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":"1704.08501","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2017-04-27T10:47:21Z","cross_cats_sorted":[],"title_canon_sha256":"ec2523faf37331626ff3d456fc26f4ad7e852176c6b23f70e4173239db2453b1","abstract_canon_sha256":"037adf4f33017d60fc531c0f0722fe3d95c1a95cb4766ff75c675f89716e14ee"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:35:20.911371Z","signature_b64":"BnIJ0nArDeyP/k6e2Vr4Ao4D/Z0NkyKCutTfj9ZHwkOoxE7MrMpgsmckgHp2Nki03t9fGJ4HtWgazkLylFrsAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ebd0d41432f05d99a0d26a51dd2bd63f1a48e2a1ed8c96178453ca738bcb5027","last_reissued_at":"2026-05-18T00:35:20.910959Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:35:20.910959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Second-order accurate genuine BGK schemes for the ultra-relativistic flow simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.NA","authors_text":"Huazhong Tang, Yangyu Kuang, Yaping Chen","submitted_at":"2017-04-27T10:47:21Z","abstract_excerpt":"This paper presents second-order accurate genuine BGK (Bhatnagar-Gross-Krook) schemes in the framework of finite volume method for the ultra-relativistic flows. Different from the existing kinetic flux-vector splitting (KFVS) or BGK-type schemes for the ultra-relativistic Euler equations, the present genuine BGK schemes are derived from the analytical solution of the Anderson-Witting model, which is given for the first time and includes the \"genuine\" particle collisions in the gas transport process. The BGK schemes for the ultra-relativistic viscous flows are also developed and two examples of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.08501","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":"1704.08501","created_at":"2026-05-18T00:35:20.911018+00:00"},{"alias_kind":"arxiv_version","alias_value":"1704.08501v1","created_at":"2026-05-18T00:35:20.911018+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.08501","created_at":"2026-05-18T00:35:20.911018+00:00"},{"alias_kind":"pith_short_12","alias_value":"5PINIFBS6BOZ","created_at":"2026-05-18T12:31:00.734936+00:00"},{"alias_kind":"pith_short_16","alias_value":"5PINIFBS6BOZTIGS","created_at":"2026-05-18T12:31:00.734936+00:00"},{"alias_kind":"pith_short_8","alias_value":"5PINIFBS","created_at":"2026-05-18T12:31:00.734936+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/5PINIFBS6BOZTIGSNJI52K6WH4","json":"https://pith.science/pith/5PINIFBS6BOZTIGSNJI52K6WH4.json","graph_json":"https://pith.science/api/pith-number/5PINIFBS6BOZTIGSNJI52K6WH4/graph.json","events_json":"https://pith.science/api/pith-number/5PINIFBS6BOZTIGSNJI52K6WH4/events.json","paper":"https://pith.science/paper/5PINIFBS"},"agent_actions":{"view_html":"https://pith.science/pith/5PINIFBS6BOZTIGSNJI52K6WH4","download_json":"https://pith.science/pith/5PINIFBS6BOZTIGSNJI52K6WH4.json","view_paper":"https://pith.science/paper/5PINIFBS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1704.08501&json=true","fetch_graph":"https://pith.science/api/pith-number/5PINIFBS6BOZTIGSNJI52K6WH4/graph.json","fetch_events":"https://pith.science/api/pith-number/5PINIFBS6BOZTIGSNJI52K6WH4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5PINIFBS6BOZTIGSNJI52K6WH4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5PINIFBS6BOZTIGSNJI52K6WH4/action/storage_attestation","attest_author":"https://pith.science/pith/5PINIFBS6BOZTIGSNJI52K6WH4/action/author_attestation","sign_citation":"https://pith.science/pith/5PINIFBS6BOZTIGSNJI52K6WH4/action/citation_signature","submit_replication":"https://pith.science/pith/5PINIFBS6BOZTIGSNJI52K6WH4/action/replication_record"}},"created_at":"2026-05-18T00:35:20.911018+00:00","updated_at":"2026-05-18T00:35:20.911018+00:00"}