{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:2EH43WO53X367KXGE3MGSMB77X","short_pith_number":"pith:2EH43WO5","schema_version":"1.0","canonical_sha256":"d10fcdd9ddddf7efaae626d869303ffde5c510ff8796d7f9716b92de638c741f","source":{"kind":"arxiv","id":"1103.2932","version":1},"attestation_state":"computed","paper":{"title":"Nonlinear wave interaction and spin models in the MHD regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"G. Brodin, J. Lundin, J. Zamanian, M. Stefan","submitted_at":"2011-03-15T15:22:01Z","abstract_excerpt":"Here we consider the influence on the electron spin in the MHD regime. Recently developed models which include spin-velocity correlations are taken as a starting point. A theoretical argument is presented, suggesting that in the MHD regime a single fluid electron model with spin correlations is equivalent to a model with spin-up and spin-down electrons constituting different fluids, but where the spin-velocity correlations are omitted. Three wave interaction of 2 shear Alfven waves and a compressional Alfven wave is then taken as a model problem to evaluate the asserted equivalence. The theore"},"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":"1103.2932","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2011-03-15T15:22:01Z","cross_cats_sorted":[],"title_canon_sha256":"37490111f931b3efae721ac36f2c20e073e0b0d7d257a65a768b3675f493456a","abstract_canon_sha256":"aae4b98f03ebe4d380a00cc1248457268d0d1bb2bff3ed0e09e3718b958a325a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:53.284416Z","signature_b64":"wv0TQx4I3ZjHioU6qevZDhzcubQKRBrj0TrO4lbqTd6bYC1sAl4kwJHIXcVhQsQi/OEOck4j+/ryorW6n9SeDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d10fcdd9ddddf7efaae626d869303ffde5c510ff8796d7f9716b92de638c741f","last_reissued_at":"2026-05-18T02:02:53.283812Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:53.283812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nonlinear wave interaction and spin models in the MHD regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"G. Brodin, J. Lundin, J. Zamanian, M. Stefan","submitted_at":"2011-03-15T15:22:01Z","abstract_excerpt":"Here we consider the influence on the electron spin in the MHD regime. Recently developed models which include spin-velocity correlations are taken as a starting point. A theoretical argument is presented, suggesting that in the MHD regime a single fluid electron model with spin correlations is equivalent to a model with spin-up and spin-down electrons constituting different fluids, but where the spin-velocity correlations are omitted. Three wave interaction of 2 shear Alfven waves and a compressional Alfven wave is then taken as a model problem to evaluate the asserted equivalence. The theore"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.2932","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":"1103.2932","created_at":"2026-05-18T02:02:53.283891+00:00"},{"alias_kind":"arxiv_version","alias_value":"1103.2932v1","created_at":"2026-05-18T02:02:53.283891+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.2932","created_at":"2026-05-18T02:02:53.283891+00:00"},{"alias_kind":"pith_short_12","alias_value":"2EH43WO53X36","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_16","alias_value":"2EH43WO53X367KXG","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_8","alias_value":"2EH43WO5","created_at":"2026-05-18T12:26:18.847500+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/2EH43WO53X367KXGE3MGSMB77X","json":"https://pith.science/pith/2EH43WO53X367KXGE3MGSMB77X.json","graph_json":"https://pith.science/api/pith-number/2EH43WO53X367KXGE3MGSMB77X/graph.json","events_json":"https://pith.science/api/pith-number/2EH43WO53X367KXGE3MGSMB77X/events.json","paper":"https://pith.science/paper/2EH43WO5"},"agent_actions":{"view_html":"https://pith.science/pith/2EH43WO53X367KXGE3MGSMB77X","download_json":"https://pith.science/pith/2EH43WO53X367KXGE3MGSMB77X.json","view_paper":"https://pith.science/paper/2EH43WO5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1103.2932&json=true","fetch_graph":"https://pith.science/api/pith-number/2EH43WO53X367KXGE3MGSMB77X/graph.json","fetch_events":"https://pith.science/api/pith-number/2EH43WO53X367KXGE3MGSMB77X/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2EH43WO53X367KXGE3MGSMB77X/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2EH43WO53X367KXGE3MGSMB77X/action/storage_attestation","attest_author":"https://pith.science/pith/2EH43WO53X367KXGE3MGSMB77X/action/author_attestation","sign_citation":"https://pith.science/pith/2EH43WO53X367KXGE3MGSMB77X/action/citation_signature","submit_replication":"https://pith.science/pith/2EH43WO53X367KXGE3MGSMB77X/action/replication_record"}},"created_at":"2026-05-18T02:02:53.283891+00:00","updated_at":"2026-05-18T02:02:53.283891+00:00"}