{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:G4HN44LKZRBACDBDUI72VF2ZLG","short_pith_number":"pith:G4HN44LK","schema_version":"1.0","canonical_sha256":"370ede716acc42010c23a23faa975959b639441e7a86c93050a939d4ffd2271a","source":{"kind":"arxiv","id":"1704.02193","version":2},"attestation_state":"computed","paper":{"title":"The impact of numerical oversteepening on the fragmentation boundary in self-gravitating disks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.EP","authors_text":"Jannes Klee, Manuel Jung, Tobias F. Illenseer, Wolfgang J. Duschl","submitted_at":"2017-04-07T11:53:49Z","abstract_excerpt":"Context. It is still an open issue whether a self-gravitating accretion disk fragments. There are many different physical and numerical explanations for fragmentation, but simulations often show a non-convergent behavior for ever better resolution.\n  Aims. We investigate the influence of different numerical limiters in Godunov type schemes on the fragmentation boundary in self- gravitating disks.\n  Methods. We compare the linear and non-linear outcome in two-dimensional shearingsheet simulations using the VANLEER and the SUPERBEE limiter.\n  Results. We show that choosing inappropriate limiting"},"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":"1704.02193","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-04-07T11:53:49Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"e4281a06a031ccadc4bf9b7bb1353dd32612c8a7742d1253daa8e54609c12b1f","abstract_canon_sha256":"a72715d9d0b05941eb86498db660e99f4aa6929a98f63ab9560aaed291f702ca"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:43.555735Z","signature_b64":"aHQLEUxCvFlWMieIFIrasNbKctzsVFKp2XpqMzAzR2bdj9yG6Hn0NsC+fnGVCl/CKcvoMKL8kuT172zPJf8+Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"370ede716acc42010c23a23faa975959b639441e7a86c93050a939d4ffd2271a","last_reissued_at":"2026-05-18T00:32:43.555091Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:43.555091Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The impact of numerical oversteepening on the fragmentation boundary in self-gravitating disks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.EP","authors_text":"Jannes Klee, Manuel Jung, Tobias F. Illenseer, Wolfgang J. Duschl","submitted_at":"2017-04-07T11:53:49Z","abstract_excerpt":"Context. It is still an open issue whether a self-gravitating accretion disk fragments. There are many different physical and numerical explanations for fragmentation, but simulations often show a non-convergent behavior for ever better resolution.\n  Aims. We investigate the influence of different numerical limiters in Godunov type schemes on the fragmentation boundary in self- gravitating disks.\n  Methods. We compare the linear and non-linear outcome in two-dimensional shearingsheet simulations using the VANLEER and the SUPERBEE limiter.\n  Results. We show that choosing inappropriate limiting"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.02193","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":"1704.02193","created_at":"2026-05-18T00:32:43.555182+00:00"},{"alias_kind":"arxiv_version","alias_value":"1704.02193v2","created_at":"2026-05-18T00:32:43.555182+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.02193","created_at":"2026-05-18T00:32:43.555182+00:00"},{"alias_kind":"pith_short_12","alias_value":"G4HN44LKZRBA","created_at":"2026-05-18T12:31:15.632608+00:00"},{"alias_kind":"pith_short_16","alias_value":"G4HN44LKZRBACDBD","created_at":"2026-05-18T12:31:15.632608+00:00"},{"alias_kind":"pith_short_8","alias_value":"G4HN44LK","created_at":"2026-05-18T12:31:15.632608+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/G4HN44LKZRBACDBDUI72VF2ZLG","json":"https://pith.science/pith/G4HN44LKZRBACDBDUI72VF2ZLG.json","graph_json":"https://pith.science/api/pith-number/G4HN44LKZRBACDBDUI72VF2ZLG/graph.json","events_json":"https://pith.science/api/pith-number/G4HN44LKZRBACDBDUI72VF2ZLG/events.json","paper":"https://pith.science/paper/G4HN44LK"},"agent_actions":{"view_html":"https://pith.science/pith/G4HN44LKZRBACDBDUI72VF2ZLG","download_json":"https://pith.science/pith/G4HN44LKZRBACDBDUI72VF2ZLG.json","view_paper":"https://pith.science/paper/G4HN44LK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1704.02193&json=true","fetch_graph":"https://pith.science/api/pith-number/G4HN44LKZRBACDBDUI72VF2ZLG/graph.json","fetch_events":"https://pith.science/api/pith-number/G4HN44LKZRBACDBDUI72VF2ZLG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/G4HN44LKZRBACDBDUI72VF2ZLG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/G4HN44LKZRBACDBDUI72VF2ZLG/action/storage_attestation","attest_author":"https://pith.science/pith/G4HN44LKZRBACDBDUI72VF2ZLG/action/author_attestation","sign_citation":"https://pith.science/pith/G4HN44LKZRBACDBDUI72VF2ZLG/action/citation_signature","submit_replication":"https://pith.science/pith/G4HN44LKZRBACDBDUI72VF2ZLG/action/replication_record"}},"created_at":"2026-05-18T00:32:43.555182+00:00","updated_at":"2026-05-18T00:32:43.555182+00:00"}