{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:ECX2R5DF5FETLSD5DEVEUFCFCU","short_pith_number":"pith:ECX2R5DF","schema_version":"1.0","canonical_sha256":"20afa8f465e94935c87d192a4a1445151cddf14f366cd349658bd74d40563e0f","source":{"kind":"arxiv","id":"1107.2752","version":2},"attestation_state":"computed","paper":{"title":"Properties of the negative effective magnetic pressure instability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Brandenburg, I. Rogachevskii, K. Kemel, N. Kleeorin","submitted_at":"2011-07-14T08:28:58Z","abstract_excerpt":"As was demonstrated in earlier studies, turbulence can result in a negative contribution to the effective mean magnetic pressure, which, in turn, can cause a large-scale instability. In this study, hydromagnetic mean-field modelling is performed for an isothermally stratified layer in the presence of a horizontal magnetic field. The negative effective magnetic pressure instability (NEMPI) is comprehensively investigated. It is shown that, if the effect of turbulence on the mean magnetic tension force vanishes, which is consistent with results from direct numerical simulations of forced turbule"},"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":"1107.2752","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-07-14T08:28:58Z","cross_cats_sorted":[],"title_canon_sha256":"b6fa5350f967b6f904712ada7c1a2a487120fe79559f1eb4928889feacc471a5","abstract_canon_sha256":"08e55701d1a218c00274e7140ddec2e3149ed85c466c3bfbdaa156505a71db06"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:02:00.755703Z","signature_b64":"/hPe3ROJPqCjvvg9S8ZSQNXuPovtLdn2HfJ6Xw6AQFTTK0TQpDoSFy7XJovcJFsjg2YN09APqGAdYUt6wGNyBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"20afa8f465e94935c87d192a4a1445151cddf14f366cd349658bd74d40563e0f","last_reissued_at":"2026-05-18T04:02:00.755040Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:02:00.755040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Properties of the negative effective magnetic pressure instability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Brandenburg, I. Rogachevskii, K. Kemel, N. Kleeorin","submitted_at":"2011-07-14T08:28:58Z","abstract_excerpt":"As was demonstrated in earlier studies, turbulence can result in a negative contribution to the effective mean magnetic pressure, which, in turn, can cause a large-scale instability. In this study, hydromagnetic mean-field modelling is performed for an isothermally stratified layer in the presence of a horizontal magnetic field. The negative effective magnetic pressure instability (NEMPI) is comprehensively investigated. It is shown that, if the effect of turbulence on the mean magnetic tension force vanishes, which is consistent with results from direct numerical simulations of forced turbule"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.2752","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":"1107.2752","created_at":"2026-05-18T04:02:00.755158+00:00"},{"alias_kind":"arxiv_version","alias_value":"1107.2752v2","created_at":"2026-05-18T04:02:00.755158+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.2752","created_at":"2026-05-18T04:02:00.755158+00:00"},{"alias_kind":"pith_short_12","alias_value":"ECX2R5DF5FET","created_at":"2026-05-18T12:26:26.731475+00:00"},{"alias_kind":"pith_short_16","alias_value":"ECX2R5DF5FETLSD5","created_at":"2026-05-18T12:26:26.731475+00:00"},{"alias_kind":"pith_short_8","alias_value":"ECX2R5DF","created_at":"2026-05-18T12:26:26.731475+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/ECX2R5DF5FETLSD5DEVEUFCFCU","json":"https://pith.science/pith/ECX2R5DF5FETLSD5DEVEUFCFCU.json","graph_json":"https://pith.science/api/pith-number/ECX2R5DF5FETLSD5DEVEUFCFCU/graph.json","events_json":"https://pith.science/api/pith-number/ECX2R5DF5FETLSD5DEVEUFCFCU/events.json","paper":"https://pith.science/paper/ECX2R5DF"},"agent_actions":{"view_html":"https://pith.science/pith/ECX2R5DF5FETLSD5DEVEUFCFCU","download_json":"https://pith.science/pith/ECX2R5DF5FETLSD5DEVEUFCFCU.json","view_paper":"https://pith.science/paper/ECX2R5DF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1107.2752&json=true","fetch_graph":"https://pith.science/api/pith-number/ECX2R5DF5FETLSD5DEVEUFCFCU/graph.json","fetch_events":"https://pith.science/api/pith-number/ECX2R5DF5FETLSD5DEVEUFCFCU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ECX2R5DF5FETLSD5DEVEUFCFCU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ECX2R5DF5FETLSD5DEVEUFCFCU/action/storage_attestation","attest_author":"https://pith.science/pith/ECX2R5DF5FETLSD5DEVEUFCFCU/action/author_attestation","sign_citation":"https://pith.science/pith/ECX2R5DF5FETLSD5DEVEUFCFCU/action/citation_signature","submit_replication":"https://pith.science/pith/ECX2R5DF5FETLSD5DEVEUFCFCU/action/replication_record"}},"created_at":"2026-05-18T04:02:00.755158+00:00","updated_at":"2026-05-18T04:02:00.755158+00:00"}