{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:7U5IGNRNHBZD2WCYND4Y73H4P5","short_pith_number":"pith:7U5IGNRN","schema_version":"1.0","canonical_sha256":"fd3a83362d38723d585868f98fecfc7f73686395091b5d1ab3acffcae1d18d0b","source":{"kind":"arxiv","id":"2412.16921","version":1},"attestation_state":"computed","paper":{"title":"3D Radiative MHD Simulations of Starspots II: Large-scale Structure","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Mayukh Panja, Robert Cameron, Sami Solanki, Tanayveer Singh Bhatia","submitted_at":"2024-12-22T08:38:40Z","abstract_excerpt":"We compute realistic 3D radiative MHD near-surface models of starspots with substantial penumbrae on cool main-sequence stars using the MURaM simulation code. This work is an improvement on the the previous starspot models in a slab geometry. The umbra, penumbra and the quiet star for all starspots are distinct, not only in intensity and temperature, but also in thermodynamic and velocity structure. These models represent a significant step towards modelling contribution of starspots to stellar lightcurves."},"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":"2412.16921","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-12-22T08:38:40Z","cross_cats_sorted":[],"title_canon_sha256":"0e7ccae1f6aa5ca59e33daf42b5c128e0df95ca3d189caafe3944ceca9f9f032","abstract_canon_sha256":"6288fa150e929feb446c4e3a0fa1741c678b66ebcf7a4aad872612b79722ad25"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:06:32.720527Z","signature_b64":"kNx5lI9DL7dUkq5t1Fm3RorpObnAniyCGoCIFaqo2j4K71DTJsSYNEFVYoP64VKIWh5U5tbIlf10w2dMe0FpCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd3a83362d38723d585868f98fecfc7f73686395091b5d1ab3acffcae1d18d0b","last_reissued_at":"2026-07-05T10:06:32.720069Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:06:32.720069Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"3D Radiative MHD Simulations of Starspots II: Large-scale Structure","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Mayukh Panja, Robert Cameron, Sami Solanki, Tanayveer Singh Bhatia","submitted_at":"2024-12-22T08:38:40Z","abstract_excerpt":"We compute realistic 3D radiative MHD near-surface models of starspots with substantial penumbrae on cool main-sequence stars using the MURaM simulation code. This work is an improvement on the the previous starspot models in a slab geometry. The umbra, penumbra and the quiet star for all starspots are distinct, not only in intensity and temperature, but also in thermodynamic and velocity structure. These models represent a significant step towards modelling contribution of starspots to stellar lightcurves."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.16921","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2412.16921/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2412.16921","created_at":"2026-07-05T10:06:32.720127+00:00"},{"alias_kind":"arxiv_version","alias_value":"2412.16921v1","created_at":"2026-07-05T10:06:32.720127+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.16921","created_at":"2026-07-05T10:06:32.720127+00:00"},{"alias_kind":"pith_short_12","alias_value":"7U5IGNRNHBZD","created_at":"2026-07-05T10:06:32.720127+00:00"},{"alias_kind":"pith_short_16","alias_value":"7U5IGNRNHBZD2WCY","created_at":"2026-07-05T10:06:32.720127+00:00"},{"alias_kind":"pith_short_8","alias_value":"7U5IGNRN","created_at":"2026-07-05T10:06:32.720127+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/7U5IGNRNHBZD2WCYND4Y73H4P5","json":"https://pith.science/pith/7U5IGNRNHBZD2WCYND4Y73H4P5.json","graph_json":"https://pith.science/api/pith-number/7U5IGNRNHBZD2WCYND4Y73H4P5/graph.json","events_json":"https://pith.science/api/pith-number/7U5IGNRNHBZD2WCYND4Y73H4P5/events.json","paper":"https://pith.science/paper/7U5IGNRN"},"agent_actions":{"view_html":"https://pith.science/pith/7U5IGNRNHBZD2WCYND4Y73H4P5","download_json":"https://pith.science/pith/7U5IGNRNHBZD2WCYND4Y73H4P5.json","view_paper":"https://pith.science/paper/7U5IGNRN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2412.16921&json=true","fetch_graph":"https://pith.science/api/pith-number/7U5IGNRNHBZD2WCYND4Y73H4P5/graph.json","fetch_events":"https://pith.science/api/pith-number/7U5IGNRNHBZD2WCYND4Y73H4P5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7U5IGNRNHBZD2WCYND4Y73H4P5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7U5IGNRNHBZD2WCYND4Y73H4P5/action/storage_attestation","attest_author":"https://pith.science/pith/7U5IGNRNHBZD2WCYND4Y73H4P5/action/author_attestation","sign_citation":"https://pith.science/pith/7U5IGNRNHBZD2WCYND4Y73H4P5/action/citation_signature","submit_replication":"https://pith.science/pith/7U5IGNRNHBZD2WCYND4Y73H4P5/action/replication_record"}},"created_at":"2026-07-05T10:06:32.720127+00:00","updated_at":"2026-07-05T10:06:32.720127+00:00"}