{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:TFT67GZO3IEBMUNKVUYDN5OBJG","short_pith_number":"pith:TFT67GZO","schema_version":"1.0","canonical_sha256":"9967ef9b2eda081651aaad3036f5c149bd1fafc79ba416102d00be1284c49e8d","source":{"kind":"arxiv","id":"1512.01805","version":1},"attestation_state":"computed","paper":{"title":"Parametric Instabilities in Shallow Water Magnetohydrodynamics Of Astrophysical Plasma in External Magnetic Field","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.flu-dyn","physics.plasm-ph","physics.space-ph"],"primary_cat":"astro-ph.SR","authors_text":"Arakel Petrosyan, Dmitry Klimachkov","submitted_at":"2015-12-06T16:21:27Z","abstract_excerpt":"This letter discusses rotating magnetohydrodynamics (MHD) of a thin layer of astrophysical plasma. To describe a thin plasma layer with a free surface in a vertical external magnetic field we use the shallow water ap- proximation. The presence of a vertical magnetic field essentially changed the wave processes dynamics in astrophysical plasma compared to the neu- tral uid and plasma layer in a thoroidal magnetic field. In present case thre are three-waves nonlinear interactions. Using the asymptotic mul- tiscale we deduced nonlinear wave packets interaction equations: three magneto-Poincare wa"},"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":"1512.01805","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-12-06T16:21:27Z","cross_cats_sorted":["physics.flu-dyn","physics.plasm-ph","physics.space-ph"],"title_canon_sha256":"24a34a5a45eec76f948270224cc0fd0b9135519f040f169cf14fcbd3b6346d7b","abstract_canon_sha256":"73e2cb0b77aa02d6c6cc53a30388f8bb237ea9d839dcae3bd7ebbd2640e16b08"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:25:10.318481Z","signature_b64":"4e2rz3sXvTJQNYc3JWNrhVb758+aH1Hk1uMvmI9BODY/yPZiqE4At/aCEsNubZukunTfqLukM3YTRx/DCLC0BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9967ef9b2eda081651aaad3036f5c149bd1fafc79ba416102d00be1284c49e8d","last_reissued_at":"2026-05-18T01:25:10.317832Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:25:10.317832Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Parametric Instabilities in Shallow Water Magnetohydrodynamics Of Astrophysical Plasma in External Magnetic Field","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.flu-dyn","physics.plasm-ph","physics.space-ph"],"primary_cat":"astro-ph.SR","authors_text":"Arakel Petrosyan, Dmitry Klimachkov","submitted_at":"2015-12-06T16:21:27Z","abstract_excerpt":"This letter discusses rotating magnetohydrodynamics (MHD) of a thin layer of astrophysical plasma. To describe a thin plasma layer with a free surface in a vertical external magnetic field we use the shallow water ap- proximation. The presence of a vertical magnetic field essentially changed the wave processes dynamics in astrophysical plasma compared to the neu- tral uid and plasma layer in a thoroidal magnetic field. In present case thre are three-waves nonlinear interactions. Using the asymptotic mul- tiscale we deduced nonlinear wave packets interaction equations: three magneto-Poincare wa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.01805","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":"1512.01805","created_at":"2026-05-18T01:25:10.317925+00:00"},{"alias_kind":"arxiv_version","alias_value":"1512.01805v1","created_at":"2026-05-18T01:25:10.317925+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.01805","created_at":"2026-05-18T01:25:10.317925+00:00"},{"alias_kind":"pith_short_12","alias_value":"TFT67GZO3IEB","created_at":"2026-05-18T12:29:42.218222+00:00"},{"alias_kind":"pith_short_16","alias_value":"TFT67GZO3IEBMUNK","created_at":"2026-05-18T12:29:42.218222+00:00"},{"alias_kind":"pith_short_8","alias_value":"TFT67GZO","created_at":"2026-05-18T12:29:42.218222+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/TFT67GZO3IEBMUNKVUYDN5OBJG","json":"https://pith.science/pith/TFT67GZO3IEBMUNKVUYDN5OBJG.json","graph_json":"https://pith.science/api/pith-number/TFT67GZO3IEBMUNKVUYDN5OBJG/graph.json","events_json":"https://pith.science/api/pith-number/TFT67GZO3IEBMUNKVUYDN5OBJG/events.json","paper":"https://pith.science/paper/TFT67GZO"},"agent_actions":{"view_html":"https://pith.science/pith/TFT67GZO3IEBMUNKVUYDN5OBJG","download_json":"https://pith.science/pith/TFT67GZO3IEBMUNKVUYDN5OBJG.json","view_paper":"https://pith.science/paper/TFT67GZO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1512.01805&json=true","fetch_graph":"https://pith.science/api/pith-number/TFT67GZO3IEBMUNKVUYDN5OBJG/graph.json","fetch_events":"https://pith.science/api/pith-number/TFT67GZO3IEBMUNKVUYDN5OBJG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TFT67GZO3IEBMUNKVUYDN5OBJG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TFT67GZO3IEBMUNKVUYDN5OBJG/action/storage_attestation","attest_author":"https://pith.science/pith/TFT67GZO3IEBMUNKVUYDN5OBJG/action/author_attestation","sign_citation":"https://pith.science/pith/TFT67GZO3IEBMUNKVUYDN5OBJG/action/citation_signature","submit_replication":"https://pith.science/pith/TFT67GZO3IEBMUNKVUYDN5OBJG/action/replication_record"}},"created_at":"2026-05-18T01:25:10.317925+00:00","updated_at":"2026-05-18T01:25:10.317925+00:00"}