{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:UBDJZQNXDCP2XNCH5LR2EAPWTG","short_pith_number":"pith:UBDJZQNX","schema_version":"1.0","canonical_sha256":"a0469cc1b7189fabb447eae3a201f699a8eaa84d569c53223501e16c9f903083","source":{"kind":"arxiv","id":"1308.4046","version":2},"attestation_state":"computed","paper":{"title":"Direct Numerical Simulations of Reflection-Driven, Reduced MHD Turbulence from the Sun to the Alfven Critical Point","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.plasm-ph"],"primary_cat":"astro-ph.SR","authors_text":"Benjamin D. G. Chandran, Jean C Perez","submitted_at":"2013-08-19T14:58:55Z","abstract_excerpt":"We present direct numerical simulations of inhomogeneous reduced magnetohydrodynamic (RMHD) turbulence between the Sun and the Alfv\\'en critical point. These are the first such simulations that take into account the solar-wind outflow velocity and the radial inhomogeneity of the background solar wind without approximating the nonlinear terms in the governing equations. RMHD turbulence is driven by outward-propagating Alfv\\'en waves ($z^+$ fluctuations) launched from the Sun, which undergo partial non-WKB reflection to produce sunward-propagating Alfv\\'en waves ($z^-$ fluctuations). We present "},"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":"1308.4046","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-08-19T14:58:55Z","cross_cats_sorted":["physics.plasm-ph"],"title_canon_sha256":"d0bff5f98a2a00f9e342775dd8f8dc54e3747d5a88ae85fa7b965fa7ae1fdfc8","abstract_canon_sha256":"dcca45811f32af66abc3a036d43218f75f51d75d408a3a5bd7b453e2ab8b7d30"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:13.970121Z","signature_b64":"XbYYTHi881ffb8QUzmolGBC81IMUUZsAtlzyTZI2ZRewQDNrgy7Q3gRmqG5lPPvxpGhFaHhv4uxA80oAVLkrBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a0469cc1b7189fabb447eae3a201f699a8eaa84d569c53223501e16c9f903083","last_reissued_at":"2026-05-18T01:48:13.969599Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:13.969599Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Direct Numerical Simulations of Reflection-Driven, Reduced MHD Turbulence from the Sun to the Alfven Critical Point","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.plasm-ph"],"primary_cat":"astro-ph.SR","authors_text":"Benjamin D. G. Chandran, Jean C Perez","submitted_at":"2013-08-19T14:58:55Z","abstract_excerpt":"We present direct numerical simulations of inhomogeneous reduced magnetohydrodynamic (RMHD) turbulence between the Sun and the Alfv\\'en critical point. These are the first such simulations that take into account the solar-wind outflow velocity and the radial inhomogeneity of the background solar wind without approximating the nonlinear terms in the governing equations. RMHD turbulence is driven by outward-propagating Alfv\\'en waves ($z^+$ fluctuations) launched from the Sun, which undergo partial non-WKB reflection to produce sunward-propagating Alfv\\'en waves ($z^-$ fluctuations). We present "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.4046","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":""},"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":"1308.4046","created_at":"2026-05-18T01:48:13.969687+00:00"},{"alias_kind":"arxiv_version","alias_value":"1308.4046v2","created_at":"2026-05-18T01:48:13.969687+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.4046","created_at":"2026-05-18T01:48:13.969687+00:00"},{"alias_kind":"pith_short_12","alias_value":"UBDJZQNXDCP2","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_16","alias_value":"UBDJZQNXDCP2XNCH","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_8","alias_value":"UBDJZQNX","created_at":"2026-05-18T12:28:02.375192+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/UBDJZQNXDCP2XNCH5LR2EAPWTG","json":"https://pith.science/pith/UBDJZQNXDCP2XNCH5LR2EAPWTG.json","graph_json":"https://pith.science/api/pith-number/UBDJZQNXDCP2XNCH5LR2EAPWTG/graph.json","events_json":"https://pith.science/api/pith-number/UBDJZQNXDCP2XNCH5LR2EAPWTG/events.json","paper":"https://pith.science/paper/UBDJZQNX"},"agent_actions":{"view_html":"https://pith.science/pith/UBDJZQNXDCP2XNCH5LR2EAPWTG","download_json":"https://pith.science/pith/UBDJZQNXDCP2XNCH5LR2EAPWTG.json","view_paper":"https://pith.science/paper/UBDJZQNX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1308.4046&json=true","fetch_graph":"https://pith.science/api/pith-number/UBDJZQNXDCP2XNCH5LR2EAPWTG/graph.json","fetch_events":"https://pith.science/api/pith-number/UBDJZQNXDCP2XNCH5LR2EAPWTG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UBDJZQNXDCP2XNCH5LR2EAPWTG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UBDJZQNXDCP2XNCH5LR2EAPWTG/action/storage_attestation","attest_author":"https://pith.science/pith/UBDJZQNXDCP2XNCH5LR2EAPWTG/action/author_attestation","sign_citation":"https://pith.science/pith/UBDJZQNXDCP2XNCH5LR2EAPWTG/action/citation_signature","submit_replication":"https://pith.science/pith/UBDJZQNXDCP2XNCH5LR2EAPWTG/action/replication_record"}},"created_at":"2026-05-18T01:48:13.969687+00:00","updated_at":"2026-05-18T01:48:13.969687+00:00"}