{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:QBOKNCRY4FNTIHTA7B2HAPRU3R","short_pith_number":"pith:QBOKNCRY","schema_version":"1.0","canonical_sha256":"805ca68a38e15b341e60f874703e34dc60c0bc89f0539633309d22943007986e","source":{"kind":"arxiv","id":"1105.5634","version":1},"attestation_state":"computed","paper":{"title":"Simulations of the formation and evolution of isolated dwarf galaxies - II. Angular momentum as a second parameter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Annelies Cloet-Osselaer, Herwig Dejonghe, Joeri Schroyen, Sander Valcke, Sven De Rijcke","submitted_at":"2011-05-27T19:28:01Z","abstract_excerpt":"We show results based on a large suite of N-Body/SPH simulations of isolated, flat dwarf galaxies, both rotating and non-rotating. The main goal is to investigate possible mechanisms to explain the observed dichotomy in radial stellar metallicity profiles of dwarf galaxies: dwarf irregulars (dIrr) and flat, rotating dwarf ellipticals (dE) generally possess flat metallicity profiles, while rounder and non-rotating dEs show strong negative metallicity gradients. These simulations show that flattening by rotation is key to reproducing the observed characteristics of flat dwarf galaxies, proving p"},"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":"1105.5634","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-05-27T19:28:01Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"c9a9fa44b2762be3ab67255f5293b0d26460ecabad77028d236fcc4eeea73dbb","abstract_canon_sha256":"92f41caf20068bf6619acc22f15e4d010c1bf11b105a19e5be66ac65c76ca5d5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:47.028327Z","signature_b64":"EAg+844xC9f0KE9ePQ7QMFP0Zm8MA3fXftXzCySxeruVUVpO/uXV+QG27kMtMOYH5CXsyud3bSA9r24FdYMRDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"805ca68a38e15b341e60f874703e34dc60c0bc89f0539633309d22943007986e","last_reissued_at":"2026-05-18T02:01:47.027518Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:47.027518Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Simulations of the formation and evolution of isolated dwarf galaxies - II. Angular momentum as a second parameter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Annelies Cloet-Osselaer, Herwig Dejonghe, Joeri Schroyen, Sander Valcke, Sven De Rijcke","submitted_at":"2011-05-27T19:28:01Z","abstract_excerpt":"We show results based on a large suite of N-Body/SPH simulations of isolated, flat dwarf galaxies, both rotating and non-rotating. The main goal is to investigate possible mechanisms to explain the observed dichotomy in radial stellar metallicity profiles of dwarf galaxies: dwarf irregulars (dIrr) and flat, rotating dwarf ellipticals (dE) generally possess flat metallicity profiles, while rounder and non-rotating dEs show strong negative metallicity gradients. These simulations show that flattening by rotation is key to reproducing the observed characteristics of flat dwarf galaxies, proving p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.5634","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":"1105.5634","created_at":"2026-05-18T02:01:47.027654+00:00"},{"alias_kind":"arxiv_version","alias_value":"1105.5634v1","created_at":"2026-05-18T02:01:47.027654+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.5634","created_at":"2026-05-18T02:01:47.027654+00:00"},{"alias_kind":"pith_short_12","alias_value":"QBOKNCRY4FNT","created_at":"2026-05-18T12:26:39.201973+00:00"},{"alias_kind":"pith_short_16","alias_value":"QBOKNCRY4FNTIHTA","created_at":"2026-05-18T12:26:39.201973+00:00"},{"alias_kind":"pith_short_8","alias_value":"QBOKNCRY","created_at":"2026-05-18T12:26:39.201973+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/QBOKNCRY4FNTIHTA7B2HAPRU3R","json":"https://pith.science/pith/QBOKNCRY4FNTIHTA7B2HAPRU3R.json","graph_json":"https://pith.science/api/pith-number/QBOKNCRY4FNTIHTA7B2HAPRU3R/graph.json","events_json":"https://pith.science/api/pith-number/QBOKNCRY4FNTIHTA7B2HAPRU3R/events.json","paper":"https://pith.science/paper/QBOKNCRY"},"agent_actions":{"view_html":"https://pith.science/pith/QBOKNCRY4FNTIHTA7B2HAPRU3R","download_json":"https://pith.science/pith/QBOKNCRY4FNTIHTA7B2HAPRU3R.json","view_paper":"https://pith.science/paper/QBOKNCRY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1105.5634&json=true","fetch_graph":"https://pith.science/api/pith-number/QBOKNCRY4FNTIHTA7B2HAPRU3R/graph.json","fetch_events":"https://pith.science/api/pith-number/QBOKNCRY4FNTIHTA7B2HAPRU3R/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QBOKNCRY4FNTIHTA7B2HAPRU3R/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QBOKNCRY4FNTIHTA7B2HAPRU3R/action/storage_attestation","attest_author":"https://pith.science/pith/QBOKNCRY4FNTIHTA7B2HAPRU3R/action/author_attestation","sign_citation":"https://pith.science/pith/QBOKNCRY4FNTIHTA7B2HAPRU3R/action/citation_signature","submit_replication":"https://pith.science/pith/QBOKNCRY4FNTIHTA7B2HAPRU3R/action/replication_record"}},"created_at":"2026-05-18T02:01:47.027654+00:00","updated_at":"2026-05-18T02:01:47.027654+00:00"}