{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:MYEKFFRUYPIXU2H2QYHTJ7RV2R","short_pith_number":"pith:MYEKFFRU","schema_version":"1.0","canonical_sha256":"6608a29634c3d17a68fa860f34fe35d476b9a1acb613543c54ef71f9b8c8c136","source":{"kind":"arxiv","id":"1509.01135","version":1},"attestation_state":"computed","paper":{"title":"On the Conservation of Cross Helicity and Wave Action in Solar-Wind Models with Non-WKB Alfven Wave Reflection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Alfred Mallet, Benjamin D. G. Chandran, Daniel Verscharen, Jean C. Perez, Kristopher G. Klein","submitted_at":"2015-09-03T15:51:29Z","abstract_excerpt":"The interaction between Alfven-wave turbulence and the background solar wind affects the cross helicity in two ways. Non-WKB reflection converts outward-propagating Alfven waves into inward-propagating Alfven waves and vice versa, and the turbulence transfers momentum to the background flow. When both effects are accounted for, the total cross helicity is conserved. In the special case that the background density and flow speed are independent of time, the equations of cross-helicity conservation and total-energy conservation can be combined to recover a well-known equation derived by Heineman"},"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":"1509.01135","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-09-03T15:51:29Z","cross_cats_sorted":[],"title_canon_sha256":"d4171ef5051a6652a25daf474e704e23bef058ca345220c66fcce87dc03ab553","abstract_canon_sha256":"676b96baf97e014d47159438c35df9cd7e5241fe551d64fcc9a6faeb3a852eae"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:26.612053Z","signature_b64":"T4ER/4wzg2IdiczR4+5H8aLnJiEmIJFn9hLntQvummKACUgs7fqqAwPG8tB5okayC6cTEctkdgYX7DB05MH5Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6608a29634c3d17a68fa860f34fe35d476b9a1acb613543c54ef71f9b8c8c136","last_reissued_at":"2026-05-18T01:32:26.611369Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:26.611369Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the Conservation of Cross Helicity and Wave Action in Solar-Wind Models with Non-WKB Alfven Wave Reflection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Alfred Mallet, Benjamin D. G. Chandran, Daniel Verscharen, Jean C. Perez, Kristopher G. Klein","submitted_at":"2015-09-03T15:51:29Z","abstract_excerpt":"The interaction between Alfven-wave turbulence and the background solar wind affects the cross helicity in two ways. Non-WKB reflection converts outward-propagating Alfven waves into inward-propagating Alfven waves and vice versa, and the turbulence transfers momentum to the background flow. When both effects are accounted for, the total cross helicity is conserved. In the special case that the background density and flow speed are independent of time, the equations of cross-helicity conservation and total-energy conservation can be combined to recover a well-known equation derived by Heineman"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.01135","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":"1509.01135","created_at":"2026-05-18T01:32:26.611482+00:00"},{"alias_kind":"arxiv_version","alias_value":"1509.01135v1","created_at":"2026-05-18T01:32:26.611482+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.01135","created_at":"2026-05-18T01:32:26.611482+00:00"},{"alias_kind":"pith_short_12","alias_value":"MYEKFFRUYPIX","created_at":"2026-05-18T12:29:32.376354+00:00"},{"alias_kind":"pith_short_16","alias_value":"MYEKFFRUYPIXU2H2","created_at":"2026-05-18T12:29:32.376354+00:00"},{"alias_kind":"pith_short_8","alias_value":"MYEKFFRU","created_at":"2026-05-18T12:29:32.376354+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/MYEKFFRUYPIXU2H2QYHTJ7RV2R","json":"https://pith.science/pith/MYEKFFRUYPIXU2H2QYHTJ7RV2R.json","graph_json":"https://pith.science/api/pith-number/MYEKFFRUYPIXU2H2QYHTJ7RV2R/graph.json","events_json":"https://pith.science/api/pith-number/MYEKFFRUYPIXU2H2QYHTJ7RV2R/events.json","paper":"https://pith.science/paper/MYEKFFRU"},"agent_actions":{"view_html":"https://pith.science/pith/MYEKFFRUYPIXU2H2QYHTJ7RV2R","download_json":"https://pith.science/pith/MYEKFFRUYPIXU2H2QYHTJ7RV2R.json","view_paper":"https://pith.science/paper/MYEKFFRU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1509.01135&json=true","fetch_graph":"https://pith.science/api/pith-number/MYEKFFRUYPIXU2H2QYHTJ7RV2R/graph.json","fetch_events":"https://pith.science/api/pith-number/MYEKFFRUYPIXU2H2QYHTJ7RV2R/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MYEKFFRUYPIXU2H2QYHTJ7RV2R/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MYEKFFRUYPIXU2H2QYHTJ7RV2R/action/storage_attestation","attest_author":"https://pith.science/pith/MYEKFFRUYPIXU2H2QYHTJ7RV2R/action/author_attestation","sign_citation":"https://pith.science/pith/MYEKFFRUYPIXU2H2QYHTJ7RV2R/action/citation_signature","submit_replication":"https://pith.science/pith/MYEKFFRUYPIXU2H2QYHTJ7RV2R/action/replication_record"}},"created_at":"2026-05-18T01:32:26.611482+00:00","updated_at":"2026-05-18T01:32:26.611482+00:00"}