{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:UMD3MQKTYE5FEYZ4PLVMXSB2MG","short_pith_number":"pith:UMD3MQKT","canonical_record":{"source":{"id":"1810.07803","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-10-11T06:43:36Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"3f9a49a7e2e5f33fdd2c6b8d4341fbd68fab871d7866516dd122f6c70e41c163","abstract_canon_sha256":"d2aaca4cc645f4f6c6b8d9f25f13e39f424a4966c68b34b118f3237268f3fb17"},"schema_version":"1.0"},"canonical_sha256":"a307b64153c13a52633c7aeacbc83a6193d9b99a05d8b11bbc4258e27e56c82a","source":{"kind":"arxiv","id":"1810.07803","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.07803","created_at":"2026-07-05T00:01:31Z"},{"alias_kind":"arxiv_version","alias_value":"1810.07803v2","created_at":"2026-07-05T00:01:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.07803","created_at":"2026-07-05T00:01:31Z"},{"alias_kind":"pith_short_12","alias_value":"UMD3MQKTYE5F","created_at":"2026-07-05T00:01:31Z"},{"alias_kind":"pith_short_16","alias_value":"UMD3MQKTYE5FEYZ4","created_at":"2026-07-05T00:01:31Z"},{"alias_kind":"pith_short_8","alias_value":"UMD3MQKT","created_at":"2026-07-05T00:01:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:UMD3MQKTYE5FEYZ4PLVMXSB2MG","target":"record","payload":{"canonical_record":{"source":{"id":"1810.07803","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-10-11T06:43:36Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"3f9a49a7e2e5f33fdd2c6b8d4341fbd68fab871d7866516dd122f6c70e41c163","abstract_canon_sha256":"d2aaca4cc645f4f6c6b8d9f25f13e39f424a4966c68b34b118f3237268f3fb17"},"schema_version":"1.0"},"canonical_sha256":"a307b64153c13a52633c7aeacbc83a6193d9b99a05d8b11bbc4258e27e56c82a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:01:31.973705Z","signature_b64":"SGW9F1IF5N5unrjZiwycfd2JELwCmTqwO9yQxfICja00JZnLojklUN8nfu1Du+s5oFihW10yEy8QV5PcLoRBBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a307b64153c13a52633c7aeacbc83a6193d9b99a05d8b11bbc4258e27e56c82a","last_reissued_at":"2026-07-05T00:01:31.973245Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:01:31.973245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.07803","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:01:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fLYdZIsdjsqc/EqfW5KY0MzVzPSsp63HvHmZCNxyDFteuRhVp+U/hz15toEu3V8IOSgbJ+HWSi3glMrEQoKiCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T02:39:33.921103Z"},"content_sha256":"dc4e40f13f94f6857cea4ad0684f01c00f6e31eaf93d0286452b28e780c254cf","schema_version":"1.0","event_id":"sha256:dc4e40f13f94f6857cea4ad0684f01c00f6e31eaf93d0286452b28e780c254cf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:UMD3MQKTYE5FEYZ4PLVMXSB2MG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Lattice Boltzmann approach to rarefied gas flows using half-range Gauss-Hermite quadratures: Comparison to DSMC results based on ab initio potentials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"physics.comp-ph","authors_text":"Felix Sharipov, Victor E. Ambrus, Victor Sofonea","submitted_at":"2018-10-11T06:43:36Z","abstract_excerpt":"In this paper, we employ the lattice Boltzmann method to solve the Boltzmann equation with the Shakhov model for the collision integral in the context of the 3D planar Couette flow. The half-range Gauss-Hermite quadrature is used to account for the wall-induced discontinuity in the distribution function. The lattice Boltzmann simulation results are compared with direct simulation Monte Carlo (DSMC) results for ${}^3{\\rm He}$ and ${}^4{\\rm He}$ atoms interacting via ab initio potentials, at various values of the rarefaction parameter $\\delta$, where the temperature of the plates varies from $1\\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.07803","kind":"arxiv","version":2},"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/1810.07803/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:01:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+TGd744rrXsBEiLcgMiEd703BD8GsE+NWsEsq0hCnlbXaT0HLyaYlCjCsGu6JSIWkcDHT9atCZMIfLc3j+VaDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T02:39:33.921495Z"},"content_sha256":"5f15a35540c82268f71b31687c60bd48d973353b1a53c70315ada547d928b4b9","schema_version":"1.0","event_id":"sha256:5f15a35540c82268f71b31687c60bd48d973353b1a53c70315ada547d928b4b9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UMD3MQKTYE5FEYZ4PLVMXSB2MG/bundle.json","state_url":"https://pith.science/pith/UMD3MQKTYE5FEYZ4PLVMXSB2MG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UMD3MQKTYE5FEYZ4PLVMXSB2MG/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":"2026-07-17T02:39:33Z","links":{"resolver":"https://pith.science/pith/UMD3MQKTYE5FEYZ4PLVMXSB2MG","bundle":"https://pith.science/pith/UMD3MQKTYE5FEYZ4PLVMXSB2MG/bundle.json","state":"https://pith.science/pith/UMD3MQKTYE5FEYZ4PLVMXSB2MG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UMD3MQKTYE5FEYZ4PLVMXSB2MG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:UMD3MQKTYE5FEYZ4PLVMXSB2MG","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":"d2aaca4cc645f4f6c6b8d9f25f13e39f424a4966c68b34b118f3237268f3fb17","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-10-11T06:43:36Z","title_canon_sha256":"3f9a49a7e2e5f33fdd2c6b8d4341fbd68fab871d7866516dd122f6c70e41c163"},"schema_version":"1.0","source":{"id":"1810.07803","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.07803","created_at":"2026-07-05T00:01:31Z"},{"alias_kind":"arxiv_version","alias_value":"1810.07803v2","created_at":"2026-07-05T00:01:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.07803","created_at":"2026-07-05T00:01:31Z"},{"alias_kind":"pith_short_12","alias_value":"UMD3MQKTYE5F","created_at":"2026-07-05T00:01:31Z"},{"alias_kind":"pith_short_16","alias_value":"UMD3MQKTYE5FEYZ4","created_at":"2026-07-05T00:01:31Z"},{"alias_kind":"pith_short_8","alias_value":"UMD3MQKT","created_at":"2026-07-05T00:01:31Z"}],"graph_snapshots":[{"event_id":"sha256:5f15a35540c82268f71b31687c60bd48d973353b1a53c70315ada547d928b4b9","target":"graph","created_at":"2026-07-05T00:01:31Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1810.07803/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we employ the lattice Boltzmann method to solve the Boltzmann equation with the Shakhov model for the collision integral in the context of the 3D planar Couette flow. The half-range Gauss-Hermite quadrature is used to account for the wall-induced discontinuity in the distribution function. The lattice Boltzmann simulation results are compared with direct simulation Monte Carlo (DSMC) results for ${}^3{\\rm He}$ and ${}^4{\\rm He}$ atoms interacting via ab initio potentials, at various values of the rarefaction parameter $\\delta$, where the temperature of the plates varies from $1\\","authors_text":"Felix Sharipov, Victor E. Ambrus, Victor Sofonea","cross_cats":["physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-10-11T06:43:36Z","title":"Lattice Boltzmann approach to rarefied gas flows using half-range Gauss-Hermite quadratures: Comparison to DSMC results based on ab initio potentials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.07803","kind":"arxiv","version":2},"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:dc4e40f13f94f6857cea4ad0684f01c00f6e31eaf93d0286452b28e780c254cf","target":"record","created_at":"2026-07-05T00:01:31Z","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":"d2aaca4cc645f4f6c6b8d9f25f13e39f424a4966c68b34b118f3237268f3fb17","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-10-11T06:43:36Z","title_canon_sha256":"3f9a49a7e2e5f33fdd2c6b8d4341fbd68fab871d7866516dd122f6c70e41c163"},"schema_version":"1.0","source":{"id":"1810.07803","kind":"arxiv","version":2}},"canonical_sha256":"a307b64153c13a52633c7aeacbc83a6193d9b99a05d8b11bbc4258e27e56c82a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a307b64153c13a52633c7aeacbc83a6193d9b99a05d8b11bbc4258e27e56c82a","first_computed_at":"2026-07-05T00:01:31.973245Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:01:31.973245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SGW9F1IF5N5unrjZiwycfd2JELwCmTqwO9yQxfICja00JZnLojklUN8nfu1Du+s5oFihW10yEy8QV5PcLoRBBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:01:31.973705Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.07803","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc4e40f13f94f6857cea4ad0684f01c00f6e31eaf93d0286452b28e780c254cf","sha256:5f15a35540c82268f71b31687c60bd48d973353b1a53c70315ada547d928b4b9"],"state_sha256":"5e1be633b06d509c73242fc307d165eaae71000cf7c1c3f16f4fb167f3e4648f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E6IZCBPnKbzARxeeFwNKFXrFe2SkasywifvPyxJfQNDt5Bsl7zwSJ2vnK28ALHO/xk8C/h7FJ/Hjbg5edYuNAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T02:39:33.923525Z","bundle_sha256":"b9af2d80f394471d5bba278e952939827e1a3e77767bb2e8de553dfdf2e7458c"}}