{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1999:BLXKQGDIUTHW7IGE3TVJJBMSF5","short_pith_number":"pith:BLXKQGDI","schema_version":"1.0","canonical_sha256":"0aeea81868a4cf6fa0c4dcea9485922f759483eeaef443f6ea20e2eacaf97177","source":{"kind":"arxiv","id":"astro-ph/9909288","version":1},"attestation_state":"computed","paper":{"title":"Plumes in stellar convection zones","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Jean-Paul Zahn","submitted_at":"1999-09-16T12:26:38Z","abstract_excerpt":"All numerical simulations of compressible convection reveal the presence of strong downwards directed flows. Thanks to helioseismology, such plumes have now been detected also at the top of the solar convection zone, on super- granular scales. Their properties may be crudely described by adopting Taylor's turbulent entrainment hypothesis, whose validity is well established under various conditions. Using this model, one finds that the strong density stratification does not prevent the plumes from traversing the whole convection zone, and that they carry upwards a net energy flux (Rieutord & Za"},"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":"astro-ph/9909288","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1999-09-16T12:26:38Z","cross_cats_sorted":[],"title_canon_sha256":"f8f79123625b78eb0008b8321fc816ac238975b78a18aad72a15d1f5d11b20b5","abstract_canon_sha256":"25180c5626edd00ce9bf73ee6cebff1cc41adc99f3844b1acb3610f0c200dbf7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:12.662250Z","signature_b64":"hNucQ19w60bnXSwgcQHM4MxbtqTDL4kSePNh8qSPRDKrlzxKkAHR7pqC2g0N672FXevd72tDE+Ojl1DTMk92BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0aeea81868a4cf6fa0c4dcea9485922f759483eeaef443f6ea20e2eacaf97177","last_reissued_at":"2026-05-18T01:40:12.661652Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:12.661652Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Plumes in stellar convection zones","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Jean-Paul Zahn","submitted_at":"1999-09-16T12:26:38Z","abstract_excerpt":"All numerical simulations of compressible convection reveal the presence of strong downwards directed flows. Thanks to helioseismology, such plumes have now been detected also at the top of the solar convection zone, on super- granular scales. Their properties may be crudely described by adopting Taylor's turbulent entrainment hypothesis, whose validity is well established under various conditions. Using this model, one finds that the strong density stratification does not prevent the plumes from traversing the whole convection zone, and that they carry upwards a net energy flux (Rieutord & Za"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9909288","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":"astro-ph/9909288","created_at":"2026-05-18T01:40:12.661755+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9909288v1","created_at":"2026-05-18T01:40:12.661755+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9909288","created_at":"2026-05-18T01:40:12.661755+00:00"},{"alias_kind":"pith_short_12","alias_value":"BLXKQGDIUTHW","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_16","alias_value":"BLXKQGDIUTHW7IGE","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_8","alias_value":"BLXKQGDI","created_at":"2026-05-18T12:25:49.038998+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/BLXKQGDIUTHW7IGE3TVJJBMSF5","json":"https://pith.science/pith/BLXKQGDIUTHW7IGE3TVJJBMSF5.json","graph_json":"https://pith.science/api/pith-number/BLXKQGDIUTHW7IGE3TVJJBMSF5/graph.json","events_json":"https://pith.science/api/pith-number/BLXKQGDIUTHW7IGE3TVJJBMSF5/events.json","paper":"https://pith.science/paper/BLXKQGDI"},"agent_actions":{"view_html":"https://pith.science/pith/BLXKQGDIUTHW7IGE3TVJJBMSF5","download_json":"https://pith.science/pith/BLXKQGDIUTHW7IGE3TVJJBMSF5.json","view_paper":"https://pith.science/paper/BLXKQGDI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9909288&json=true","fetch_graph":"https://pith.science/api/pith-number/BLXKQGDIUTHW7IGE3TVJJBMSF5/graph.json","fetch_events":"https://pith.science/api/pith-number/BLXKQGDIUTHW7IGE3TVJJBMSF5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BLXKQGDIUTHW7IGE3TVJJBMSF5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BLXKQGDIUTHW7IGE3TVJJBMSF5/action/storage_attestation","attest_author":"https://pith.science/pith/BLXKQGDIUTHW7IGE3TVJJBMSF5/action/author_attestation","sign_citation":"https://pith.science/pith/BLXKQGDIUTHW7IGE3TVJJBMSF5/action/citation_signature","submit_replication":"https://pith.science/pith/BLXKQGDIUTHW7IGE3TVJJBMSF5/action/replication_record"}},"created_at":"2026-05-18T01:40:12.661755+00:00","updated_at":"2026-05-18T01:40:12.661755+00:00"}