{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:XB2S3XP7ECWUWQB6AWZLDIOONB","short_pith_number":"pith:XB2S3XP7","schema_version":"1.0","canonical_sha256":"b8752dddff20ad4b403e05b2b1a1ce6863723f0043e6b7a4c10103075b43ec4f","source":{"kind":"arxiv","id":"1801.01919","version":2},"attestation_state":"computed","paper":{"title":"The global and radial stellar mass assembly of Milky Way-sized galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A. Gonz\\'alez-Samaniego, A. Rodr\\'iguez-Puebla, H. Ibarra-Medel, P. Col\\'in, V. Avila-Reese","submitted_at":"2018-01-05T21:19:49Z","abstract_excerpt":"We study the global and radial stellar mass assembly of eight zoomed-in MW-sized galaxies produced in Hydrodynamics cosmological simulations. The disk-dominated galaxies (4) show a fast initial stellar mass growth in the innermost parts, driven mostly by in-situ SF, but since $z\\sim2-1$ the SF enters in a long-term quenching phase. The outer regions follow this trend but more gentle as more external they are. As the result, the radial stellar mass growth is highly inside-out due to both the inside-out structural growth and inside-out SF quenching. The half-mass radius evolves fast; for instanc"},"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":"1801.01919","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-05T21:19:49Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"96b72efe6ff17e3465ccf283d713a2287e9f75e39246cc53123dc6cbe9bd4729","abstract_canon_sha256":"6fb2d2f8582d15503dcde58200f0808dee40103cfe5f192502db36b3ce2ccc42"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:23.352723Z","signature_b64":"EOE2rwzo+fJk+fmLOmOBFzcjkT7ispsEkdC4KNpQtvaqXWxTqfxCa0LeIIz+cbRRZHnf5YuEqIvdOvLjyNBdBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b8752dddff20ad4b403e05b2b1a1ce6863723f0043e6b7a4c10103075b43ec4f","last_reissued_at":"2026-05-18T00:22:23.352241Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:23.352241Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The global and radial stellar mass assembly of Milky Way-sized galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A. Gonz\\'alez-Samaniego, A. Rodr\\'iguez-Puebla, H. Ibarra-Medel, P. Col\\'in, V. Avila-Reese","submitted_at":"2018-01-05T21:19:49Z","abstract_excerpt":"We study the global and radial stellar mass assembly of eight zoomed-in MW-sized galaxies produced in Hydrodynamics cosmological simulations. The disk-dominated galaxies (4) show a fast initial stellar mass growth in the innermost parts, driven mostly by in-situ SF, but since $z\\sim2-1$ the SF enters in a long-term quenching phase. The outer regions follow this trend but more gentle as more external they are. As the result, the radial stellar mass growth is highly inside-out due to both the inside-out structural growth and inside-out SF quenching. The half-mass radius evolves fast; for instanc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.01919","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":"1801.01919","created_at":"2026-05-18T00:22:23.352300+00:00"},{"alias_kind":"arxiv_version","alias_value":"1801.01919v2","created_at":"2026-05-18T00:22:23.352300+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.01919","created_at":"2026-05-18T00:22:23.352300+00:00"},{"alias_kind":"pith_short_12","alias_value":"XB2S3XP7ECWU","created_at":"2026-05-18T12:33:01.666342+00:00"},{"alias_kind":"pith_short_16","alias_value":"XB2S3XP7ECWUWQB6","created_at":"2026-05-18T12:33:01.666342+00:00"},{"alias_kind":"pith_short_8","alias_value":"XB2S3XP7","created_at":"2026-05-18T12:33:01.666342+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2605.15327","citing_title":"Witnessing the rapid growth of disk galaxies over cosmic time using JWST and HST","ref_index":155,"is_internal_anchor":true},{"citing_arxiv_id":"2605.08353","citing_title":"Empirical estimates of how massive galaxies can be in {\\Lambda}CDM","ref_index":171,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/XB2S3XP7ECWUWQB6AWZLDIOONB","json":"https://pith.science/pith/XB2S3XP7ECWUWQB6AWZLDIOONB.json","graph_json":"https://pith.science/api/pith-number/XB2S3XP7ECWUWQB6AWZLDIOONB/graph.json","events_json":"https://pith.science/api/pith-number/XB2S3XP7ECWUWQB6AWZLDIOONB/events.json","paper":"https://pith.science/paper/XB2S3XP7"},"agent_actions":{"view_html":"https://pith.science/pith/XB2S3XP7ECWUWQB6AWZLDIOONB","download_json":"https://pith.science/pith/XB2S3XP7ECWUWQB6AWZLDIOONB.json","view_paper":"https://pith.science/paper/XB2S3XP7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1801.01919&json=true","fetch_graph":"https://pith.science/api/pith-number/XB2S3XP7ECWUWQB6AWZLDIOONB/graph.json","fetch_events":"https://pith.science/api/pith-number/XB2S3XP7ECWUWQB6AWZLDIOONB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XB2S3XP7ECWUWQB6AWZLDIOONB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XB2S3XP7ECWUWQB6AWZLDIOONB/action/storage_attestation","attest_author":"https://pith.science/pith/XB2S3XP7ECWUWQB6AWZLDIOONB/action/author_attestation","sign_citation":"https://pith.science/pith/XB2S3XP7ECWUWQB6AWZLDIOONB/action/citation_signature","submit_replication":"https://pith.science/pith/XB2S3XP7ECWUWQB6AWZLDIOONB/action/replication_record"}},"created_at":"2026-05-18T00:22:23.352300+00:00","updated_at":"2026-05-18T00:22:23.352300+00:00"}