{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:DCZP4WLUL5E2LKOCXXFEMGYQ7K","short_pith_number":"pith:DCZP4WLU","canonical_record":{"source":{"id":"1901.00261","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-01-02T04:20:10Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"eb5d74eb87ddcd56bfa6aff8a65f320e305ea57ada309077aa8e30a2f0978a33","abstract_canon_sha256":"77163dcccad5585bb7d573e4429b5d7f8a1c558d924854fed2d1874faba33291"},"schema_version":"1.0"},"canonical_sha256":"18b2fe59745f49a5a9c2bdca461b10faa105b81d2d7f3e072e95b246eac9f9cf","source":{"kind":"arxiv","id":"1901.00261","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.00261","created_at":"2026-05-17T23:57:06Z"},{"alias_kind":"arxiv_version","alias_value":"1901.00261v1","created_at":"2026-05-17T23:57:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.00261","created_at":"2026-05-17T23:57:06Z"},{"alias_kind":"pith_short_12","alias_value":"DCZP4WLUL5E2","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"DCZP4WLUL5E2LKOC","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"DCZP4WLU","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:DCZP4WLUL5E2LKOCXXFEMGYQ7K","target":"record","payload":{"canonical_record":{"source":{"id":"1901.00261","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-01-02T04:20:10Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"eb5d74eb87ddcd56bfa6aff8a65f320e305ea57ada309077aa8e30a2f0978a33","abstract_canon_sha256":"77163dcccad5585bb7d573e4429b5d7f8a1c558d924854fed2d1874faba33291"},"schema_version":"1.0"},"canonical_sha256":"18b2fe59745f49a5a9c2bdca461b10faa105b81d2d7f3e072e95b246eac9f9cf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:06.557052Z","signature_b64":"O/WdTVGSN9FaDPWlF6jtX0HQznNzzusf0gSXOWiPKfT3A9uvHRpztJIObbY1Vku6IhAAj4kB23KIJpAjS7ffAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"18b2fe59745f49a5a9c2bdca461b10faa105b81d2d7f3e072e95b246eac9f9cf","last_reissued_at":"2026-05-17T23:57:06.556527Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:06.556527Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.00261","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:57:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nhgr0TNijraJ4YgjBMLPPwrbeun9tjHlcDxdGCasepH1pRx5JvtmLUyykZ+dVKVHSJT6UBe6Ref8aeO7CM6OAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T19:09:36.128985Z"},"content_sha256":"d8564d3af4355939dce849ec165b769c0ad9941503c184871b2c2d970870c106","schema_version":"1.0","event_id":"sha256:d8564d3af4355939dce849ec165b769c0ad9941503c184871b2c2d970870c106"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:DCZP4WLUL5E2LKOCXXFEMGYQ7K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Compact Higher-order Gas-kinetic Schemes with Spectral-like Resolution for Compressible Flow Simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"physics.comp-ph","authors_text":"Fengxiang Zhao, Kun Xu, Wei Shyy, Xing Ji","submitted_at":"2019-01-02T04:20:10Z","abstract_excerpt":"In this paper, a class of compact higher-order gas-kinetic schemes (GKS) with spectral resolution will be presented. Based on the high-order gas evolution model in GKS, both the interface flux function and conservative flow variables can be evaluated explicitly from the time-accurate gas distribution function. As a result, inside each control volume both the cell-averaged flow variables and their cell-averaged gradients can be updated within each time step. The flow variable update and slope update are coming from the same physical solution at the cell interface. Different from many other appr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.00261","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:57:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HPCS36xgigMiplY/2L8LQV3kubmiULMvkh6MDKnulXl6vnd8qft8vC7/RgQCKxG5xq5ybkrwAJ2xd3KU9wNZCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T19:09:36.129347Z"},"content_sha256":"ec65a379b1eafe9bc9ef40184004ef6d3276d611ba93eea5010a334493b81651","schema_version":"1.0","event_id":"sha256:ec65a379b1eafe9bc9ef40184004ef6d3276d611ba93eea5010a334493b81651"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DCZP4WLUL5E2LKOCXXFEMGYQ7K/bundle.json","state_url":"https://pith.science/pith/DCZP4WLUL5E2LKOCXXFEMGYQ7K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DCZP4WLUL5E2LKOCXXFEMGYQ7K/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-31T19:09:36Z","links":{"resolver":"https://pith.science/pith/DCZP4WLUL5E2LKOCXXFEMGYQ7K","bundle":"https://pith.science/pith/DCZP4WLUL5E2LKOCXXFEMGYQ7K/bundle.json","state":"https://pith.science/pith/DCZP4WLUL5E2LKOCXXFEMGYQ7K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DCZP4WLUL5E2LKOCXXFEMGYQ7K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:DCZP4WLUL5E2LKOCXXFEMGYQ7K","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"77163dcccad5585bb7d573e4429b5d7f8a1c558d924854fed2d1874faba33291","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-01-02T04:20:10Z","title_canon_sha256":"eb5d74eb87ddcd56bfa6aff8a65f320e305ea57ada309077aa8e30a2f0978a33"},"schema_version":"1.0","source":{"id":"1901.00261","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.00261","created_at":"2026-05-17T23:57:06Z"},{"alias_kind":"arxiv_version","alias_value":"1901.00261v1","created_at":"2026-05-17T23:57:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.00261","created_at":"2026-05-17T23:57:06Z"},{"alias_kind":"pith_short_12","alias_value":"DCZP4WLUL5E2","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"DCZP4WLUL5E2LKOC","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"DCZP4WLU","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:ec65a379b1eafe9bc9ef40184004ef6d3276d611ba93eea5010a334493b81651","target":"graph","created_at":"2026-05-17T23:57:06Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"In this paper, a class of compact higher-order gas-kinetic schemes (GKS) with spectral resolution will be presented. Based on the high-order gas evolution model in GKS, both the interface flux function and conservative flow variables can be evaluated explicitly from the time-accurate gas distribution function. As a result, inside each control volume both the cell-averaged flow variables and their cell-averaged gradients can be updated within each time step. The flow variable update and slope update are coming from the same physical solution at the cell interface. Different from many other appr","authors_text":"Fengxiang Zhao, Kun Xu, Wei Shyy, Xing Ji","cross_cats":["math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-01-02T04:20:10Z","title":"Compact Higher-order Gas-kinetic Schemes with Spectral-like Resolution for Compressible Flow Simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.00261","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:d8564d3af4355939dce849ec165b769c0ad9941503c184871b2c2d970870c106","target":"record","created_at":"2026-05-17T23:57:06Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"77163dcccad5585bb7d573e4429b5d7f8a1c558d924854fed2d1874faba33291","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-01-02T04:20:10Z","title_canon_sha256":"eb5d74eb87ddcd56bfa6aff8a65f320e305ea57ada309077aa8e30a2f0978a33"},"schema_version":"1.0","source":{"id":"1901.00261","kind":"arxiv","version":1}},"canonical_sha256":"18b2fe59745f49a5a9c2bdca461b10faa105b81d2d7f3e072e95b246eac9f9cf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"18b2fe59745f49a5a9c2bdca461b10faa105b81d2d7f3e072e95b246eac9f9cf","first_computed_at":"2026-05-17T23:57:06.556527Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:06.556527Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O/WdTVGSN9FaDPWlF6jtX0HQznNzzusf0gSXOWiPKfT3A9uvHRpztJIObbY1Vku6IhAAj4kB23KIJpAjS7ffAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:06.557052Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.00261","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d8564d3af4355939dce849ec165b769c0ad9941503c184871b2c2d970870c106","sha256:ec65a379b1eafe9bc9ef40184004ef6d3276d611ba93eea5010a334493b81651"],"state_sha256":"5b8c94a3f954817776b7d36bd290aa672e05ae794ed1d79bd2fbf6423848c591"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l60ppgE9FNV9u3j4/d/Uc1DjfK9fWgntpmV9klULHoIfqzK4+22JUIOtytSAL3DlKKd9z5AEMeTACO0oT9LoCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T19:09:36.131528Z","bundle_sha256":"4cda4bfcb556ace325bcd23b17c56c7ec7c2358c436dd2ee40f4762beba1a131"}}