{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:EKCYCBK2NCRBWHOWDY7Q4Q6HLH","short_pith_number":"pith:EKCYCBK2","schema_version":"1.0","canonical_sha256":"228581055a68a21b1dd61e3f0e43c759e17939a9abec8dd3fd3481a6fddd7efa","source":{"kind":"arxiv","id":"1705.03750","version":1},"attestation_state":"computed","paper":{"title":"A \"metric\" semi-Lagrangian Vlasov-Poisson solver","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","physics.comp-ph","physics.plasm-ph"],"primary_cat":"astro-ph.CO","authors_text":"C. Alard, S. Colombi","submitted_at":"2017-05-10T13:19:11Z","abstract_excerpt":"We propose a new semi-Lagrangian Vlasov-Poisson solver. It employs elements of metric to follow locally the flow and its deformation, allowing one to find quickly and accurately the initial phase-space position $Q(P)$ of any test particle $P$, by expanding at second order the geometry of the motion in the vicinity of the closest element. It is thus possible to reconstruct accurately the phase-space distribution function at any time $t$ and position $P$ by proper interpolation of initial conditions, following Liouville theorem. When distorsion of the elements of metric becomes too large, it is "},"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":"1705.03750","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-05-10T13:19:11Z","cross_cats_sorted":["astro-ph.GA","physics.comp-ph","physics.plasm-ph"],"title_canon_sha256":"94c96a05f77613a987378fb5120320f5f1e728dc4181cb2df83c07211e2e6972","abstract_canon_sha256":"16a3c40a127e7d6cee52a6c4179cf258b80e1f153063baf6f24c6229b193dbcd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:52.845085Z","signature_b64":"rXY6dKtFpVx317MwizF6/9MKi/xSM3Vf31JXtsRcf6GinX1UETfiRmUtG4LRkAsYK5ozYzl3i8ALxK5KviMVCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"228581055a68a21b1dd61e3f0e43c759e17939a9abec8dd3fd3481a6fddd7efa","last_reissued_at":"2026-05-18T00:38:52.844650Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:52.844650Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A \"metric\" semi-Lagrangian Vlasov-Poisson solver","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","physics.comp-ph","physics.plasm-ph"],"primary_cat":"astro-ph.CO","authors_text":"C. Alard, S. Colombi","submitted_at":"2017-05-10T13:19:11Z","abstract_excerpt":"We propose a new semi-Lagrangian Vlasov-Poisson solver. It employs elements of metric to follow locally the flow and its deformation, allowing one to find quickly and accurately the initial phase-space position $Q(P)$ of any test particle $P$, by expanding at second order the geometry of the motion in the vicinity of the closest element. It is thus possible to reconstruct accurately the phase-space distribution function at any time $t$ and position $P$ by proper interpolation of initial conditions, following Liouville theorem. When distorsion of the elements of metric becomes too large, it is "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.03750","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":"1705.03750","created_at":"2026-05-18T00:38:52.844719+00:00"},{"alias_kind":"arxiv_version","alias_value":"1705.03750v1","created_at":"2026-05-18T00:38:52.844719+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.03750","created_at":"2026-05-18T00:38:52.844719+00:00"},{"alias_kind":"pith_short_12","alias_value":"EKCYCBK2NCRB","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_16","alias_value":"EKCYCBK2NCRBWHOW","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_8","alias_value":"EKCYCBK2","created_at":"2026-05-18T12:31:12.930513+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/EKCYCBK2NCRBWHOWDY7Q4Q6HLH","json":"https://pith.science/pith/EKCYCBK2NCRBWHOWDY7Q4Q6HLH.json","graph_json":"https://pith.science/api/pith-number/EKCYCBK2NCRBWHOWDY7Q4Q6HLH/graph.json","events_json":"https://pith.science/api/pith-number/EKCYCBK2NCRBWHOWDY7Q4Q6HLH/events.json","paper":"https://pith.science/paper/EKCYCBK2"},"agent_actions":{"view_html":"https://pith.science/pith/EKCYCBK2NCRBWHOWDY7Q4Q6HLH","download_json":"https://pith.science/pith/EKCYCBK2NCRBWHOWDY7Q4Q6HLH.json","view_paper":"https://pith.science/paper/EKCYCBK2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1705.03750&json=true","fetch_graph":"https://pith.science/api/pith-number/EKCYCBK2NCRBWHOWDY7Q4Q6HLH/graph.json","fetch_events":"https://pith.science/api/pith-number/EKCYCBK2NCRBWHOWDY7Q4Q6HLH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EKCYCBK2NCRBWHOWDY7Q4Q6HLH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EKCYCBK2NCRBWHOWDY7Q4Q6HLH/action/storage_attestation","attest_author":"https://pith.science/pith/EKCYCBK2NCRBWHOWDY7Q4Q6HLH/action/author_attestation","sign_citation":"https://pith.science/pith/EKCYCBK2NCRBWHOWDY7Q4Q6HLH/action/citation_signature","submit_replication":"https://pith.science/pith/EKCYCBK2NCRBWHOWDY7Q4Q6HLH/action/replication_record"}},"created_at":"2026-05-18T00:38:52.844719+00:00","updated_at":"2026-05-18T00:38:52.844719+00:00"}