{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:UYJE62REOSXUGB4YYD7SXK27EP","short_pith_number":"pith:UYJE62RE","schema_version":"1.0","canonical_sha256":"a6124f6a2474af430798c0ff2bab5f23ced77e1ee8ee25e51d3f7a020930b095","source":{"kind":"arxiv","id":"1706.00609","version":1},"attestation_state":"computed","paper":{"title":"Magmatic focusing to mid-ocean ridges: the role of grain size variability and non-Newtonian viscosity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.geo-ph","authors_text":"Andrew J Turner, Mark D Behn, Richard F Katz, Tobias Keller","submitted_at":"2017-06-02T10:02:34Z","abstract_excerpt":"Melting beneath mid-ocean ridges occurs over a region that is much broader than the zone of magmatic emplacement to form the oceanic crust. Magma is focused into this zone by lateral transport. This focusing has typically been explained by dynamic pressure gradients associated with corner flow, or by a sub-lithospheric channel sloping upward toward the ridge axis. Here we discuss a novel mechanism for magmatic focusing: lateral transport driven by gradients in compaction pressure within the asthenosphere. These gradients arise from the co-variation of melting rate and compaction viscosity. The"},"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":"1706.00609","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2017-06-02T10:02:34Z","cross_cats_sorted":[],"title_canon_sha256":"ce657e0bfc938adef966b99341b242593b4fe425d98156aba5cab4b968a92216","abstract_canon_sha256":"7ea0181e0d2867309721f7aa5086ab4680f1e9e7eaa907c26a5000f38afbdace"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:23:35.770384Z","signature_b64":"6tKYrYi1flXgPlIk0b1TJuiL7tIor8sdvAiwe9imlnElcwAWsRlMNiHe/NbcCo1FF9ZsUa6PvAvyJCyQ1ztuDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a6124f6a2474af430798c0ff2bab5f23ced77e1ee8ee25e51d3f7a020930b095","last_reissued_at":"2026-05-18T00:23:35.769834Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:23:35.769834Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magmatic focusing to mid-ocean ridges: the role of grain size variability and non-Newtonian viscosity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.geo-ph","authors_text":"Andrew J Turner, Mark D Behn, Richard F Katz, Tobias Keller","submitted_at":"2017-06-02T10:02:34Z","abstract_excerpt":"Melting beneath mid-ocean ridges occurs over a region that is much broader than the zone of magmatic emplacement to form the oceanic crust. Magma is focused into this zone by lateral transport. This focusing has typically been explained by dynamic pressure gradients associated with corner flow, or by a sub-lithospheric channel sloping upward toward the ridge axis. Here we discuss a novel mechanism for magmatic focusing: lateral transport driven by gradients in compaction pressure within the asthenosphere. These gradients arise from the co-variation of melting rate and compaction viscosity. The"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.00609","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":"1706.00609","created_at":"2026-05-18T00:23:35.769904+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.00609v1","created_at":"2026-05-18T00:23:35.769904+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.00609","created_at":"2026-05-18T00:23:35.769904+00:00"},{"alias_kind":"pith_short_12","alias_value":"UYJE62REOSXU","created_at":"2026-05-18T12:31:49.984773+00:00"},{"alias_kind":"pith_short_16","alias_value":"UYJE62REOSXUGB4Y","created_at":"2026-05-18T12:31:49.984773+00:00"},{"alias_kind":"pith_short_8","alias_value":"UYJE62RE","created_at":"2026-05-18T12:31:49.984773+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/UYJE62REOSXUGB4YYD7SXK27EP","json":"https://pith.science/pith/UYJE62REOSXUGB4YYD7SXK27EP.json","graph_json":"https://pith.science/api/pith-number/UYJE62REOSXUGB4YYD7SXK27EP/graph.json","events_json":"https://pith.science/api/pith-number/UYJE62REOSXUGB4YYD7SXK27EP/events.json","paper":"https://pith.science/paper/UYJE62RE"},"agent_actions":{"view_html":"https://pith.science/pith/UYJE62REOSXUGB4YYD7SXK27EP","download_json":"https://pith.science/pith/UYJE62REOSXUGB4YYD7SXK27EP.json","view_paper":"https://pith.science/paper/UYJE62RE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.00609&json=true","fetch_graph":"https://pith.science/api/pith-number/UYJE62REOSXUGB4YYD7SXK27EP/graph.json","fetch_events":"https://pith.science/api/pith-number/UYJE62REOSXUGB4YYD7SXK27EP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UYJE62REOSXUGB4YYD7SXK27EP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UYJE62REOSXUGB4YYD7SXK27EP/action/storage_attestation","attest_author":"https://pith.science/pith/UYJE62REOSXUGB4YYD7SXK27EP/action/author_attestation","sign_citation":"https://pith.science/pith/UYJE62REOSXUGB4YYD7SXK27EP/action/citation_signature","submit_replication":"https://pith.science/pith/UYJE62REOSXUGB4YYD7SXK27EP/action/replication_record"}},"created_at":"2026-05-18T00:23:35.769904+00:00","updated_at":"2026-05-18T00:23:35.769904+00:00"}