{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:YYWFSC2YU4KQYQ6BN7QTS77T72","short_pith_number":"pith:YYWFSC2Y","schema_version":"1.0","canonical_sha256":"c62c590b58a7150c43c16fe1397ff3fe96bf84c7990921d3f0b0e20ba11d4ad4","source":{"kind":"arxiv","id":"1304.4647","version":1},"attestation_state":"computed","paper":{"title":"Propagation of the Gravo-Magneto Disc Instability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Rebecca G. Martin, Stephen H. Lubow","submitted_at":"2013-04-16T23:55:24Z","abstract_excerpt":"Discs that contain dead zones are subject to the Gravo-Magneto (GM) instability that arises when the turbulence shifts from gravitational to magnetic. We have previously described this instability through a local analysis at some radius in the disc in terms of a limit cycle. A disc may be locally unstable over a radial interval. In this paper, we consider how the local instability model can describe global disc outbursts. The outburst is triggered near the middle of the range of locally unstable radii. The sudden increase in turbulence within high surface density material causes a snow plough "},"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":"1304.4647","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-04-16T23:55:24Z","cross_cats_sorted":[],"title_canon_sha256":"f854a71e17427bf00a5b162b0253cff4df702f4a8283aa976c3bf27ebfdd8b5c","abstract_canon_sha256":"83c8ec673eba1051b9a77655b86b85284fd889011137d83bc95ec2436d0f8d4f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:31.972526Z","signature_b64":"YWb5cdDtHaAULTAPGFEV9Syc8KnGqW/dZU0xVIXSTLDNNYJltZ38VVtNY//HDb8GHY3TLXxz6EkWsR4m1NJlBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c62c590b58a7150c43c16fe1397ff3fe96bf84c7990921d3f0b0e20ba11d4ad4","last_reissued_at":"2026-05-18T01:50:31.971867Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:31.971867Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Propagation of the Gravo-Magneto Disc Instability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Rebecca G. Martin, Stephen H. Lubow","submitted_at":"2013-04-16T23:55:24Z","abstract_excerpt":"Discs that contain dead zones are subject to the Gravo-Magneto (GM) instability that arises when the turbulence shifts from gravitational to magnetic. We have previously described this instability through a local analysis at some radius in the disc in terms of a limit cycle. A disc may be locally unstable over a radial interval. In this paper, we consider how the local instability model can describe global disc outbursts. The outburst is triggered near the middle of the range of locally unstable radii. The sudden increase in turbulence within high surface density material causes a snow plough "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.4647","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":"1304.4647","created_at":"2026-05-18T01:50:31.971962+00:00"},{"alias_kind":"arxiv_version","alias_value":"1304.4647v1","created_at":"2026-05-18T01:50:31.971962+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.4647","created_at":"2026-05-18T01:50:31.971962+00:00"},{"alias_kind":"pith_short_12","alias_value":"YYWFSC2YU4KQ","created_at":"2026-05-18T12:28:09.283467+00:00"},{"alias_kind":"pith_short_16","alias_value":"YYWFSC2YU4KQYQ6B","created_at":"2026-05-18T12:28:09.283467+00:00"},{"alias_kind":"pith_short_8","alias_value":"YYWFSC2Y","created_at":"2026-05-18T12:28:09.283467+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/YYWFSC2YU4KQYQ6BN7QTS77T72","json":"https://pith.science/pith/YYWFSC2YU4KQYQ6BN7QTS77T72.json","graph_json":"https://pith.science/api/pith-number/YYWFSC2YU4KQYQ6BN7QTS77T72/graph.json","events_json":"https://pith.science/api/pith-number/YYWFSC2YU4KQYQ6BN7QTS77T72/events.json","paper":"https://pith.science/paper/YYWFSC2Y"},"agent_actions":{"view_html":"https://pith.science/pith/YYWFSC2YU4KQYQ6BN7QTS77T72","download_json":"https://pith.science/pith/YYWFSC2YU4KQYQ6BN7QTS77T72.json","view_paper":"https://pith.science/paper/YYWFSC2Y","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1304.4647&json=true","fetch_graph":"https://pith.science/api/pith-number/YYWFSC2YU4KQYQ6BN7QTS77T72/graph.json","fetch_events":"https://pith.science/api/pith-number/YYWFSC2YU4KQYQ6BN7QTS77T72/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YYWFSC2YU4KQYQ6BN7QTS77T72/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YYWFSC2YU4KQYQ6BN7QTS77T72/action/storage_attestation","attest_author":"https://pith.science/pith/YYWFSC2YU4KQYQ6BN7QTS77T72/action/author_attestation","sign_citation":"https://pith.science/pith/YYWFSC2YU4KQYQ6BN7QTS77T72/action/citation_signature","submit_replication":"https://pith.science/pith/YYWFSC2YU4KQYQ6BN7QTS77T72/action/replication_record"}},"created_at":"2026-05-18T01:50:31.971962+00:00","updated_at":"2026-05-18T01:50:31.971962+00:00"}