{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:UFDZA5WMQLKGV3Z2HDTPJ3VMHY","short_pith_number":"pith:UFDZA5WM","schema_version":"1.0","canonical_sha256":"a1479076cc82d46aef3a38e6f4eeac3e15a8dae6ebba44efb35a8c85b99db84f","source":{"kind":"arxiv","id":"1512.07952","version":1},"attestation_state":"computed","paper":{"title":"The initial value problem in Lagrangian drift kinetic theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"J. W. Burby","submitted_at":"2015-12-25T03:39:42Z","abstract_excerpt":"Existing high-order variational drift kinetic theories contain unphysical rapidly varying modes that are not seen at low-orders. These unphysical modes, which may be rapidly oscillating, damped, or growing, are ushered in by a failure of conventional high-order drift kinetic theory to preserve the structure of its parent model's initial value problem (Vlasov-Poisson for electrostatics, Vlasov-Darwin or Vlasov-Maxwell for electromagnetics.) In short, the system phase space is unphysically enlarged in conventional high-order variational drift kinetic theory. I present an alternative, \"renormaliz"},"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":"1512.07952","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-12-25T03:39:42Z","cross_cats_sorted":[],"title_canon_sha256":"3ecc3d288c10bf447c996265ce90588cb5e26322980a0e898d71b1ac21d5b288","abstract_canon_sha256":"bfcaa8c14f51c827943987fef85789092c9df923956d230ae0225b18ac99c594"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:13:15.871543Z","signature_b64":"5khTBVmTiE3stPgBa7K3m+UKDW/HhLgE2DVaRrx5IFHqWswH3NRJ3fkOe7PrF3pUJWvQd4caXm4/fgozH8U1DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1479076cc82d46aef3a38e6f4eeac3e15a8dae6ebba44efb35a8c85b99db84f","last_reissued_at":"2026-05-18T01:13:15.871153Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:13:15.871153Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The initial value problem in Lagrangian drift kinetic theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"J. W. Burby","submitted_at":"2015-12-25T03:39:42Z","abstract_excerpt":"Existing high-order variational drift kinetic theories contain unphysical rapidly varying modes that are not seen at low-orders. These unphysical modes, which may be rapidly oscillating, damped, or growing, are ushered in by a failure of conventional high-order drift kinetic theory to preserve the structure of its parent model's initial value problem (Vlasov-Poisson for electrostatics, Vlasov-Darwin or Vlasov-Maxwell for electromagnetics.) In short, the system phase space is unphysically enlarged in conventional high-order variational drift kinetic theory. I present an alternative, \"renormaliz"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07952","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":"1512.07952","created_at":"2026-05-18T01:13:15.871213+00:00"},{"alias_kind":"arxiv_version","alias_value":"1512.07952v1","created_at":"2026-05-18T01:13:15.871213+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07952","created_at":"2026-05-18T01:13:15.871213+00:00"},{"alias_kind":"pith_short_12","alias_value":"UFDZA5WMQLKG","created_at":"2026-05-18T12:29:44.643036+00:00"},{"alias_kind":"pith_short_16","alias_value":"UFDZA5WMQLKGV3Z2","created_at":"2026-05-18T12:29:44.643036+00:00"},{"alias_kind":"pith_short_8","alias_value":"UFDZA5WM","created_at":"2026-05-18T12:29:44.643036+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/UFDZA5WMQLKGV3Z2HDTPJ3VMHY","json":"https://pith.science/pith/UFDZA5WMQLKGV3Z2HDTPJ3VMHY.json","graph_json":"https://pith.science/api/pith-number/UFDZA5WMQLKGV3Z2HDTPJ3VMHY/graph.json","events_json":"https://pith.science/api/pith-number/UFDZA5WMQLKGV3Z2HDTPJ3VMHY/events.json","paper":"https://pith.science/paper/UFDZA5WM"},"agent_actions":{"view_html":"https://pith.science/pith/UFDZA5WMQLKGV3Z2HDTPJ3VMHY","download_json":"https://pith.science/pith/UFDZA5WMQLKGV3Z2HDTPJ3VMHY.json","view_paper":"https://pith.science/paper/UFDZA5WM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1512.07952&json=true","fetch_graph":"https://pith.science/api/pith-number/UFDZA5WMQLKGV3Z2HDTPJ3VMHY/graph.json","fetch_events":"https://pith.science/api/pith-number/UFDZA5WMQLKGV3Z2HDTPJ3VMHY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UFDZA5WMQLKGV3Z2HDTPJ3VMHY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UFDZA5WMQLKGV3Z2HDTPJ3VMHY/action/storage_attestation","attest_author":"https://pith.science/pith/UFDZA5WMQLKGV3Z2HDTPJ3VMHY/action/author_attestation","sign_citation":"https://pith.science/pith/UFDZA5WMQLKGV3Z2HDTPJ3VMHY/action/citation_signature","submit_replication":"https://pith.science/pith/UFDZA5WMQLKGV3Z2HDTPJ3VMHY/action/replication_record"}},"created_at":"2026-05-18T01:13:15.871213+00:00","updated_at":"2026-05-18T01:13:15.871213+00:00"}