{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:MH3RGEMUBD4YXYMAKWGBZR7SP5","short_pith_number":"pith:MH3RGEMU","schema_version":"1.0","canonical_sha256":"61f713119408f98be180558c1cc7f27f71e5bf4541e27e22e0394280ce545658","source":{"kind":"arxiv","id":"2405.12585","version":1},"attestation_state":"computed","paper":{"title":"Chemical evolution of the Galactic bulge with different stellar populations","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. Rojas-Arriagada, E. Spitoni, F. Matteucci, M. Molero, R. M. Rich","submitted_at":"2024-05-21T08:29:13Z","abstract_excerpt":"The metallicity distribution function (MDF) of the Galactic bulge features a multi-peak shape, with a metal-poor peak at [Fe/H]=-0.3 dex and a metal-rich peak at [Fe/H]=+0.3 dex. This bimodality is also seen in [alpha/Fe] versus [Fe/H] ratios, indicating different stellar populations in the bulge. We aim to replicate the observed MDF by proposing a scenario where the metal-poor bulge stars formed in situ during an intense star formation burst, while the metal-rich stars formed during a second burst and/or were accreted from the inner Galactic disk due to a growing bar. We used a chemical evolu"},"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":"2405.12585","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-05-21T08:29:13Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"ac957e19bb49a1c914bb9ab013aaa77dc05b937aca860f68f3459d210fec1778","abstract_canon_sha256":"134667d91b6701ae7ee2fae45b2cc3e2879a36ea402802049694e455f9ee057c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:21:22.272736Z","signature_b64":"YfKfwgkQj2O+PwOGWPxt8G9itw9Gn7h777JzzRgdwrFlenDfoXuzysJWfJJBBY15Q6ytzCKp8DG54lPu37GDBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"61f713119408f98be180558c1cc7f27f71e5bf4541e27e22e0394280ce545658","last_reissued_at":"2026-07-05T08:21:22.272324Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:21:22.272324Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Chemical evolution of the Galactic bulge with different stellar populations","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. Rojas-Arriagada, E. Spitoni, F. Matteucci, M. Molero, R. M. Rich","submitted_at":"2024-05-21T08:29:13Z","abstract_excerpt":"The metallicity distribution function (MDF) of the Galactic bulge features a multi-peak shape, with a metal-poor peak at [Fe/H]=-0.3 dex and a metal-rich peak at [Fe/H]=+0.3 dex. This bimodality is also seen in [alpha/Fe] versus [Fe/H] ratios, indicating different stellar populations in the bulge. We aim to replicate the observed MDF by proposing a scenario where the metal-poor bulge stars formed in situ during an intense star formation burst, while the metal-rich stars formed during a second burst and/or were accreted from the inner Galactic disk due to a growing bar. We used a chemical evolu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.12585","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/2405.12585/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":"2405.12585","created_at":"2026-07-05T08:21:22.272378+00:00"},{"alias_kind":"arxiv_version","alias_value":"2405.12585v1","created_at":"2026-07-05T08:21:22.272378+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.12585","created_at":"2026-07-05T08:21:22.272378+00:00"},{"alias_kind":"pith_short_12","alias_value":"MH3RGEMUBD4Y","created_at":"2026-07-05T08:21:22.272378+00:00"},{"alias_kind":"pith_short_16","alias_value":"MH3RGEMUBD4YXYMA","created_at":"2026-07-05T08:21:22.272378+00:00"},{"alias_kind":"pith_short_8","alias_value":"MH3RGEMU","created_at":"2026-07-05T08:21:22.272378+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/MH3RGEMUBD4YXYMAKWGBZR7SP5","json":"https://pith.science/pith/MH3RGEMUBD4YXYMAKWGBZR7SP5.json","graph_json":"https://pith.science/api/pith-number/MH3RGEMUBD4YXYMAKWGBZR7SP5/graph.json","events_json":"https://pith.science/api/pith-number/MH3RGEMUBD4YXYMAKWGBZR7SP5/events.json","paper":"https://pith.science/paper/MH3RGEMU"},"agent_actions":{"view_html":"https://pith.science/pith/MH3RGEMUBD4YXYMAKWGBZR7SP5","download_json":"https://pith.science/pith/MH3RGEMUBD4YXYMAKWGBZR7SP5.json","view_paper":"https://pith.science/paper/MH3RGEMU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2405.12585&json=true","fetch_graph":"https://pith.science/api/pith-number/MH3RGEMUBD4YXYMAKWGBZR7SP5/graph.json","fetch_events":"https://pith.science/api/pith-number/MH3RGEMUBD4YXYMAKWGBZR7SP5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MH3RGEMUBD4YXYMAKWGBZR7SP5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MH3RGEMUBD4YXYMAKWGBZR7SP5/action/storage_attestation","attest_author":"https://pith.science/pith/MH3RGEMUBD4YXYMAKWGBZR7SP5/action/author_attestation","sign_citation":"https://pith.science/pith/MH3RGEMUBD4YXYMAKWGBZR7SP5/action/citation_signature","submit_replication":"https://pith.science/pith/MH3RGEMUBD4YXYMAKWGBZR7SP5/action/replication_record"}},"created_at":"2026-07-05T08:21:22.272378+00:00","updated_at":"2026-07-05T08:21:22.272378+00:00"}