{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:K7XXI743Q2MIVLB3M56L5ZEI7F","short_pith_number":"pith:K7XXI743","schema_version":"1.0","canonical_sha256":"57ef747f9b86988aac3b677cbee488f9761bf8bab5a8bcb7b1cb3157423cd311","source":{"kind":"arxiv","id":"1712.00641","version":1},"attestation_state":"computed","paper":{"title":"Mixing and Overshooting in Surface Convection Zones of DA White Dwarfs: First Results from ANTARES","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"F. Kupka, F. Zaussinger, M.H. Montgomery","submitted_at":"2017-12-02T17:24:14Z","abstract_excerpt":"We present results of a large, high resolution 3D hydrodynamical simulation of the surface layers of a DA white dwarf (WD) with $T_{\\rm eff}=11800$ K and $\\log(g)=8$ using the ANTARES code, the widest and deepest such simulation to date. Our simulations are in good agreement with previous calculations in the Schwarzschild-unstable region and in the overshooting region immediately beneath it. Farther below, in the wave-dominated region, we find that the rms horizontal velocities decay with depth more rapidly than the vertical ones. Since mixing requires both vertical and horizontal displacement"},"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":"1712.00641","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-12-02T17:24:14Z","cross_cats_sorted":[],"title_canon_sha256":"9e191811395455871e3e38cd758b42ce2d740ecaf484ffd6710fa2a268606a7c","abstract_canon_sha256":"8bd9abaaf0c21c7ad847d6a3186131962bbcdaa6d05944145e15232aca2bb8d0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:04.497009Z","signature_b64":"IGSgT1ufcNTF8HBPWGjrWAwjMzFFTY0DKHFFZkJ7ST899/t+J1P4BVfcszDBfaOoUafa3bS2E5ybbjB8dhLKBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57ef747f9b86988aac3b677cbee488f9761bf8bab5a8bcb7b1cb3157423cd311","last_reissued_at":"2026-05-18T00:29:04.496293Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:04.496293Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Mixing and Overshooting in Surface Convection Zones of DA White Dwarfs: First Results from ANTARES","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"F. Kupka, F. Zaussinger, M.H. Montgomery","submitted_at":"2017-12-02T17:24:14Z","abstract_excerpt":"We present results of a large, high resolution 3D hydrodynamical simulation of the surface layers of a DA white dwarf (WD) with $T_{\\rm eff}=11800$ K and $\\log(g)=8$ using the ANTARES code, the widest and deepest such simulation to date. Our simulations are in good agreement with previous calculations in the Schwarzschild-unstable region and in the overshooting region immediately beneath it. Farther below, in the wave-dominated region, we find that the rms horizontal velocities decay with depth more rapidly than the vertical ones. Since mixing requires both vertical and horizontal displacement"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.00641","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":"1712.00641","created_at":"2026-05-18T00:29:04.496420+00:00"},{"alias_kind":"arxiv_version","alias_value":"1712.00641v1","created_at":"2026-05-18T00:29:04.496420+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.00641","created_at":"2026-05-18T00:29:04.496420+00:00"},{"alias_kind":"pith_short_12","alias_value":"K7XXI743Q2MI","created_at":"2026-05-18T12:31:24.725408+00:00"},{"alias_kind":"pith_short_16","alias_value":"K7XXI743Q2MIVLB3","created_at":"2026-05-18T12:31:24.725408+00:00"},{"alias_kind":"pith_short_8","alias_value":"K7XXI743","created_at":"2026-05-18T12:31:24.725408+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/K7XXI743Q2MIVLB3M56L5ZEI7F","json":"https://pith.science/pith/K7XXI743Q2MIVLB3M56L5ZEI7F.json","graph_json":"https://pith.science/api/pith-number/K7XXI743Q2MIVLB3M56L5ZEI7F/graph.json","events_json":"https://pith.science/api/pith-number/K7XXI743Q2MIVLB3M56L5ZEI7F/events.json","paper":"https://pith.science/paper/K7XXI743"},"agent_actions":{"view_html":"https://pith.science/pith/K7XXI743Q2MIVLB3M56L5ZEI7F","download_json":"https://pith.science/pith/K7XXI743Q2MIVLB3M56L5ZEI7F.json","view_paper":"https://pith.science/paper/K7XXI743","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1712.00641&json=true","fetch_graph":"https://pith.science/api/pith-number/K7XXI743Q2MIVLB3M56L5ZEI7F/graph.json","fetch_events":"https://pith.science/api/pith-number/K7XXI743Q2MIVLB3M56L5ZEI7F/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/K7XXI743Q2MIVLB3M56L5ZEI7F/action/timestamp_anchor","attest_storage":"https://pith.science/pith/K7XXI743Q2MIVLB3M56L5ZEI7F/action/storage_attestation","attest_author":"https://pith.science/pith/K7XXI743Q2MIVLB3M56L5ZEI7F/action/author_attestation","sign_citation":"https://pith.science/pith/K7XXI743Q2MIVLB3M56L5ZEI7F/action/citation_signature","submit_replication":"https://pith.science/pith/K7XXI743Q2MIVLB3M56L5ZEI7F/action/replication_record"}},"created_at":"2026-05-18T00:29:04.496420+00:00","updated_at":"2026-05-18T00:29:04.496420+00:00"}