{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:MQYY6M5U3YROMS3ASQIUNU2IRI","short_pith_number":"pith:MQYY6M5U","schema_version":"1.0","canonical_sha256":"64318f33b4de22e64b60941146d3488a29d7705b31dd020d02e582bad391f9c0","source":{"kind":"arxiv","id":"1202.6061","version":2},"attestation_state":"computed","paper":{"title":"Not too big, not too small: the dark halos of the dwarf spheroidals in the Milky Way","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Amina Helmi, Carlos A. Vera-Ciro, Else Starkenburg, Maarten A. Breddels","submitted_at":"2012-02-27T21:00:04Z","abstract_excerpt":"We present a new analysis of the Aquarius simulations done in combination with a semi-analytic galaxy formation model. Our goal is to establish whether the subhalos present in LCDM simulations of Milky Way-like systems could host the dwarf spheroidal (dSph) satellites of our Galaxy. Our analysis shows that, contrary to what has been assumed in most previous work, the mass profiles of subhalos are generally not well fit by NFW models but that Einasto profiles are preferred. We find that for shape parameters alpha = 0.2 - 0.5 and Vmax = 10 - 30 km/s there is very good correspondence with the obs"},"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":"1202.6061","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-02-27T21:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"d3021c703fb1e5d427432d0c703727d5007f1294950145f41a2c390eb21c3ed9","abstract_canon_sha256":"1ce934d4ed90def7bbe515264e36db7e2f63062b6b5ddf60953fb92e6b78a655"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:19.020735Z","signature_b64":"6YYwFH51PDmlruE/5JWw8sLgrHzQBF/rx6W1nkSVdsEgSf5uEExLJpeWEZ51z+sB4eRyhHi4336eurqLdYRiBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64318f33b4de22e64b60941146d3488a29d7705b31dd020d02e582bad391f9c0","last_reissued_at":"2026-05-18T01:58:19.020105Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:19.020105Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Not too big, not too small: the dark halos of the dwarf spheroidals in the Milky Way","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Amina Helmi, Carlos A. Vera-Ciro, Else Starkenburg, Maarten A. Breddels","submitted_at":"2012-02-27T21:00:04Z","abstract_excerpt":"We present a new analysis of the Aquarius simulations done in combination with a semi-analytic galaxy formation model. Our goal is to establish whether the subhalos present in LCDM simulations of Milky Way-like systems could host the dwarf spheroidal (dSph) satellites of our Galaxy. Our analysis shows that, contrary to what has been assumed in most previous work, the mass profiles of subhalos are generally not well fit by NFW models but that Einasto profiles are preferred. We find that for shape parameters alpha = 0.2 - 0.5 and Vmax = 10 - 30 km/s there is very good correspondence with the obs"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.6061","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":"1202.6061","created_at":"2026-05-18T01:58:19.020194+00:00"},{"alias_kind":"arxiv_version","alias_value":"1202.6061v2","created_at":"2026-05-18T01:58:19.020194+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.6061","created_at":"2026-05-18T01:58:19.020194+00:00"},{"alias_kind":"pith_short_12","alias_value":"MQYY6M5U3YRO","created_at":"2026-05-18T12:27:14.488303+00:00"},{"alias_kind":"pith_short_16","alias_value":"MQYY6M5U3YROMS3A","created_at":"2026-05-18T12:27:14.488303+00:00"},{"alias_kind":"pith_short_8","alias_value":"MQYY6M5U","created_at":"2026-05-18T12:27:14.488303+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/MQYY6M5U3YROMS3ASQIUNU2IRI","json":"https://pith.science/pith/MQYY6M5U3YROMS3ASQIUNU2IRI.json","graph_json":"https://pith.science/api/pith-number/MQYY6M5U3YROMS3ASQIUNU2IRI/graph.json","events_json":"https://pith.science/api/pith-number/MQYY6M5U3YROMS3ASQIUNU2IRI/events.json","paper":"https://pith.science/paper/MQYY6M5U"},"agent_actions":{"view_html":"https://pith.science/pith/MQYY6M5U3YROMS3ASQIUNU2IRI","download_json":"https://pith.science/pith/MQYY6M5U3YROMS3ASQIUNU2IRI.json","view_paper":"https://pith.science/paper/MQYY6M5U","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1202.6061&json=true","fetch_graph":"https://pith.science/api/pith-number/MQYY6M5U3YROMS3ASQIUNU2IRI/graph.json","fetch_events":"https://pith.science/api/pith-number/MQYY6M5U3YROMS3ASQIUNU2IRI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MQYY6M5U3YROMS3ASQIUNU2IRI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MQYY6M5U3YROMS3ASQIUNU2IRI/action/storage_attestation","attest_author":"https://pith.science/pith/MQYY6M5U3YROMS3ASQIUNU2IRI/action/author_attestation","sign_citation":"https://pith.science/pith/MQYY6M5U3YROMS3ASQIUNU2IRI/action/citation_signature","submit_replication":"https://pith.science/pith/MQYY6M5U3YROMS3ASQIUNU2IRI/action/replication_record"}},"created_at":"2026-05-18T01:58:19.020194+00:00","updated_at":"2026-05-18T01:58:19.020194+00:00"}