{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:XK2UGIABG3VMUPIUT45XYTLNYJ","short_pith_number":"pith:XK2UGIAB","schema_version":"1.0","canonical_sha256":"bab543200136eaca3d149f3b7c4d6dc267a5d6a93739f91858b5d2fc21278471","source":{"kind":"arxiv","id":"2602.21291","version":2},"attestation_state":"computed","paper":{"title":"Collapse of Magnetized White Dwarfs as site of Heavy Element Formation and Kilonova Signal","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"astro-ph.HE","authors_text":"Daniel Kasen, David Radice, Fabio Magistrelli, Patrick Chi-Kit Cheong, Sebastiano Bernuzzi, Tetyana Pitik","submitted_at":"2026-02-24T19:00:05Z","abstract_excerpt":"We present the first end-to-end calculation connecting the accretion-induced collapse (AIC) of a magnetized, rapidly rotating white dwarf to observable kilonova signatures, combining 2D general-relativistic neutrino-magnetohydrodynamic simulations, followed by radiation hydrodynamics with in-situ nuclear network and 2D Monte Carlo radiative transfer with spatially resolved heating rates. Unlike all previous unmagnetized AIC models - which predicted proton-rich, $^{56}$Ni-dominated ejecta - strong magnetic fields eject ${\\sim 0.2 M_\\odot}$ of neutron-rich material $(\\langle Y_e \\rangle \\sim 0.2"},"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":"2602.21291","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-02-24T19:00:05Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"133a627cf94be8841fd0e234aa7b5202aca183b4c6e75cae7fb1b7166bc4b0fc","abstract_canon_sha256":"6d4cb0d9e167ecd0c947810075dafa83e7d9b49d9421e6cd5db660061e8d1746"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-10T01:08:34.152911Z","signature_b64":"FBYZ02qqOeIdEdUNcpWOyGqsxlivxY3cRetwnMB+aOEPTEXsrPHjj7uTId6C3R2+3EIp3ijNxoL1aCxFuKH3BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bab543200136eaca3d149f3b7c4d6dc267a5d6a93739f91858b5d2fc21278471","last_reissued_at":"2026-06-10T01:08:34.151589Z","signature_status":"signed_v1","first_computed_at":"2026-06-10T01:08:34.151589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Collapse of Magnetized White Dwarfs as site of Heavy Element Formation and Kilonova Signal","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"astro-ph.HE","authors_text":"Daniel Kasen, David Radice, Fabio Magistrelli, Patrick Chi-Kit Cheong, Sebastiano Bernuzzi, Tetyana Pitik","submitted_at":"2026-02-24T19:00:05Z","abstract_excerpt":"We present the first end-to-end calculation connecting the accretion-induced collapse (AIC) of a magnetized, rapidly rotating white dwarf to observable kilonova signatures, combining 2D general-relativistic neutrino-magnetohydrodynamic simulations, followed by radiation hydrodynamics with in-situ nuclear network and 2D Monte Carlo radiative transfer with spatially resolved heating rates. Unlike all previous unmagnetized AIC models - which predicted proton-rich, $^{56}$Ni-dominated ejecta - strong magnetic fields eject ${\\sim 0.2 M_\\odot}$ of neutron-rich material $(\\langle Y_e \\rangle \\sim 0.2"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.21291","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2602.21291/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":"2602.21291","created_at":"2026-06-10T01:08:34.151755+00:00"},{"alias_kind":"arxiv_version","alias_value":"2602.21291v2","created_at":"2026-06-10T01:08:34.151755+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.21291","created_at":"2026-06-10T01:08:34.151755+00:00"},{"alias_kind":"pith_short_12","alias_value":"XK2UGIABG3VM","created_at":"2026-06-10T01:08:34.151755+00:00"},{"alias_kind":"pith_short_16","alias_value":"XK2UGIABG3VMUPIU","created_at":"2026-06-10T01:08:34.151755+00:00"},{"alias_kind":"pith_short_8","alias_value":"XK2UGIAB","created_at":"2026-06-10T01:08:34.151755+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":4,"sample":[{"citing_arxiv_id":"2605.20596","citing_title":"Binary Neutron Star Merger Evolution and r-Process Enrichment in the Milky Way Disk","ref_index":43,"is_internal_anchor":true},{"citing_arxiv_id":"2605.15289","citing_title":"Ultra high-energy cosmic rays from relativistic outflows in accretion induced collapse of white dwarfs","ref_index":36,"is_internal_anchor":true},{"citing_arxiv_id":"2601.15187","citing_title":"The early r-process nucleosynthesis scenarios","ref_index":72,"is_internal_anchor":true},{"citing_arxiv_id":"2603.08792","citing_title":"Gamma-ray Signatures of r-Process Radioactivity from the Collapse of Magnetized White Dwarfs","ref_index":23,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/XK2UGIABG3VMUPIUT45XYTLNYJ","json":"https://pith.science/pith/XK2UGIABG3VMUPIUT45XYTLNYJ.json","graph_json":"https://pith.science/api/pith-number/XK2UGIABG3VMUPIUT45XYTLNYJ/graph.json","events_json":"https://pith.science/api/pith-number/XK2UGIABG3VMUPIUT45XYTLNYJ/events.json","paper":"https://pith.science/paper/XK2UGIAB"},"agent_actions":{"view_html":"https://pith.science/pith/XK2UGIABG3VMUPIUT45XYTLNYJ","download_json":"https://pith.science/pith/XK2UGIABG3VMUPIUT45XYTLNYJ.json","view_paper":"https://pith.science/paper/XK2UGIAB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2602.21291&json=true","fetch_graph":"https://pith.science/api/pith-number/XK2UGIABG3VMUPIUT45XYTLNYJ/graph.json","fetch_events":"https://pith.science/api/pith-number/XK2UGIABG3VMUPIUT45XYTLNYJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XK2UGIABG3VMUPIUT45XYTLNYJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XK2UGIABG3VMUPIUT45XYTLNYJ/action/storage_attestation","attest_author":"https://pith.science/pith/XK2UGIABG3VMUPIUT45XYTLNYJ/action/author_attestation","sign_citation":"https://pith.science/pith/XK2UGIABG3VMUPIUT45XYTLNYJ/action/citation_signature","submit_replication":"https://pith.science/pith/XK2UGIABG3VMUPIUT45XYTLNYJ/action/replication_record"}},"created_at":"2026-06-10T01:08:34.151755+00:00","updated_at":"2026-06-10T01:08:34.151755+00:00"}