{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:GSUG7LUSBJ4IS3DII33FNF6554","short_pith_number":"pith:GSUG7LUS","canonical_record":{"source":{"id":"1005.3639","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CD","submitted_at":"2010-05-20T09:30:17Z","cross_cats_sorted":[],"title_canon_sha256":"07d6683ac359d491ed80b1894f5afb02961c28657e06f9a587686a3dd99f6b26","abstract_canon_sha256":"e4587b09bab8cea3e81810b25b47edb9574b66d3b862695f1db47864598ce663"},"schema_version":"1.0"},"canonical_sha256":"34a86fae920a78896c6846f65697ddef26759ba754a060954c38019ccaccee53","source":{"kind":"arxiv","id":"1005.3639","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.3639","created_at":"2026-05-18T02:07:16Z"},{"alias_kind":"arxiv_version","alias_value":"1005.3639v1","created_at":"2026-05-18T02:07:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.3639","created_at":"2026-05-18T02:07:16Z"},{"alias_kind":"pith_short_12","alias_value":"GSUG7LUSBJ4I","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"GSUG7LUSBJ4IS3DI","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"GSUG7LUS","created_at":"2026-05-18T12:26:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:GSUG7LUSBJ4IS3DII33FNF6554","target":"record","payload":{"canonical_record":{"source":{"id":"1005.3639","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CD","submitted_at":"2010-05-20T09:30:17Z","cross_cats_sorted":[],"title_canon_sha256":"07d6683ac359d491ed80b1894f5afb02961c28657e06f9a587686a3dd99f6b26","abstract_canon_sha256":"e4587b09bab8cea3e81810b25b47edb9574b66d3b862695f1db47864598ce663"},"schema_version":"1.0"},"canonical_sha256":"34a86fae920a78896c6846f65697ddef26759ba754a060954c38019ccaccee53","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:07:16.449613Z","signature_b64":"ZfRzUkHeqAf+IS+z2pWDsse0bG7C5l3BAUrpHKp6BH5HtF3zg+8bAZBNgQ5jm7TGatqRg4fO9VjP1HJSE1CpDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"34a86fae920a78896c6846f65697ddef26759ba754a060954c38019ccaccee53","last_reissued_at":"2026-05-18T02:07:16.449003Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:07:16.449003Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1005.3639","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":"2026-05-18T02:07:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pzv0i7qES/WHW9dmZkWLAjGpydUXIyi9aXrk+UivZdP9//OTmM1zc5J91wXTJ8X3Tfe6rp26qWmaKaBE7aIYAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T23:41:33.813146Z"},"content_sha256":"ffba591636810bd9bd49d19358be545f0e90aa4d0268081c8f8308e02b684d40","schema_version":"1.0","event_id":"sha256:ffba591636810bd9bd49d19358be545f0e90aa4d0268081c8f8308e02b684d40"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:GSUG7LUSBJ4IS3DII33FNF6554","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Lattice Boltzmann Methods for thermal flows: continuum limit and applications to compressible Rayleigh-Taylor systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nlin.CD","authors_text":"Andrea Scagliarini, Federico Toschi, Kazuyasu Sugiyama, Luca Biferale, Mauro Sbragaglia","submitted_at":"2010-05-20T09:30:17Z","abstract_excerpt":"We compute the continuum thermo-hydrodynamical limit of a new formulation of lattice kinetic equations for thermal compressible flows, recently proposed in [Sbragaglia et al., J. Fluid Mech. 628 299 (2009)]. We show that the hydrodynamical manifold is given by the correct compressible Fourier- Navier-Stokes equations for a perfect fluid. We validate the numerical algorithm by means of exact results for transition to convection in Rayleigh-B\\'enard compressible systems and against direct comparison with finite-difference schemes. The method is stable and reliable up to temperature jumps between"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.3639","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":"2026-05-18T02:07:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fxRXu5SzrP2pHmCIli23WsJV6fzdXzhln1+l+WlDi3KNHZa+zSXZ53KYqNEEMOwRudo3hmWVeJyJeITFSUNVCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T23:41:33.813875Z"},"content_sha256":"9b2a6c1e67e5f5dbca03adba5fceb803bec6d595c1c265034278d8abbf03944f","schema_version":"1.0","event_id":"sha256:9b2a6c1e67e5f5dbca03adba5fceb803bec6d595c1c265034278d8abbf03944f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GSUG7LUSBJ4IS3DII33FNF6554/bundle.json","state_url":"https://pith.science/pith/GSUG7LUSBJ4IS3DII33FNF6554/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GSUG7LUSBJ4IS3DII33FNF6554/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":"2026-06-06T23:41:33Z","links":{"resolver":"https://pith.science/pith/GSUG7LUSBJ4IS3DII33FNF6554","bundle":"https://pith.science/pith/GSUG7LUSBJ4IS3DII33FNF6554/bundle.json","state":"https://pith.science/pith/GSUG7LUSBJ4IS3DII33FNF6554/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GSUG7LUSBJ4IS3DII33FNF6554/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:GSUG7LUSBJ4IS3DII33FNF6554","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":"e4587b09bab8cea3e81810b25b47edb9574b66d3b862695f1db47864598ce663","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CD","submitted_at":"2010-05-20T09:30:17Z","title_canon_sha256":"07d6683ac359d491ed80b1894f5afb02961c28657e06f9a587686a3dd99f6b26"},"schema_version":"1.0","source":{"id":"1005.3639","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.3639","created_at":"2026-05-18T02:07:16Z"},{"alias_kind":"arxiv_version","alias_value":"1005.3639v1","created_at":"2026-05-18T02:07:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.3639","created_at":"2026-05-18T02:07:16Z"},{"alias_kind":"pith_short_12","alias_value":"GSUG7LUSBJ4I","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"GSUG7LUSBJ4IS3DI","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"GSUG7LUS","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:9b2a6c1e67e5f5dbca03adba5fceb803bec6d595c1c265034278d8abbf03944f","target":"graph","created_at":"2026-05-18T02:07:16Z","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":"We compute the continuum thermo-hydrodynamical limit of a new formulation of lattice kinetic equations for thermal compressible flows, recently proposed in [Sbragaglia et al., J. Fluid Mech. 628 299 (2009)]. We show that the hydrodynamical manifold is given by the correct compressible Fourier- Navier-Stokes equations for a perfect fluid. We validate the numerical algorithm by means of exact results for transition to convection in Rayleigh-B\\'enard compressible systems and against direct comparison with finite-difference schemes. The method is stable and reliable up to temperature jumps between","authors_text":"Andrea Scagliarini, Federico Toschi, Kazuyasu Sugiyama, Luca Biferale, Mauro Sbragaglia","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CD","submitted_at":"2010-05-20T09:30:17Z","title":"Lattice Boltzmann Methods for thermal flows: continuum limit and applications to compressible Rayleigh-Taylor systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.3639","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:ffba591636810bd9bd49d19358be545f0e90aa4d0268081c8f8308e02b684d40","target":"record","created_at":"2026-05-18T02:07:16Z","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":"e4587b09bab8cea3e81810b25b47edb9574b66d3b862695f1db47864598ce663","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CD","submitted_at":"2010-05-20T09:30:17Z","title_canon_sha256":"07d6683ac359d491ed80b1894f5afb02961c28657e06f9a587686a3dd99f6b26"},"schema_version":"1.0","source":{"id":"1005.3639","kind":"arxiv","version":1}},"canonical_sha256":"34a86fae920a78896c6846f65697ddef26759ba754a060954c38019ccaccee53","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"34a86fae920a78896c6846f65697ddef26759ba754a060954c38019ccaccee53","first_computed_at":"2026-05-18T02:07:16.449003Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:07:16.449003Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZfRzUkHeqAf+IS+z2pWDsse0bG7C5l3BAUrpHKp6BH5HtF3zg+8bAZBNgQ5jm7TGatqRg4fO9VjP1HJSE1CpDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:07:16.449613Z","signed_message":"canonical_sha256_bytes"},"source_id":"1005.3639","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ffba591636810bd9bd49d19358be545f0e90aa4d0268081c8f8308e02b684d40","sha256:9b2a6c1e67e5f5dbca03adba5fceb803bec6d595c1c265034278d8abbf03944f"],"state_sha256":"982ee1b584af275255c06de39b1e580e07339e1b7c3268cf72f9eeb2b7a94b17"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z91LxFV7akrYdaaUg5H+flE7dgOOsazsrrsnwak22nSBasXHjGimd7PDsbP2Xgu+/xMaF4U/MVZ7mF2NSMD7CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T23:41:33.819112Z","bundle_sha256":"16ef1eb2fe9f97e8b207c423423ee06351f07e6aa1c1e792a5e20d9e558b59e3"}}