{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:SOUBINPYNLF32QQ3XTU7CFRN7L","short_pith_number":"pith:SOUBINPY","schema_version":"1.0","canonical_sha256":"93a81435f86acbbd421bbce9f1162dfae8c365f39b167a326af92c9b69dffa29","source":{"kind":"arxiv","id":"1611.00005","version":2},"attestation_state":"computed","paper":{"title":"Addressing the too big to fail problem with baryon physics and sterile neutrino dark matter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Alexey Boyarsky (Leiden), Carlos S. Frenk (Durham), EPFL), Leiden), Mark R. Lovell (MPIA, Oleg Ruchayskiy (Copenhagen, Shaun Cole (Durham), Sownak Bose (Durham), UvA, Violeta Gonzalez-Perez (ICG Portsmouth)","submitted_at":"2016-10-31T20:00:01Z","abstract_excerpt":"N-body dark matter simulations of structure formation in the $\\Lambda$CDM model predict a population of subhalos within Galactic halos that have higher central densities than inferred for satellites of the Milky Way, a tension known as the `too big to fail' problem. Proposed solutions include baryonic effects, a smaller mass for the Milky Way halo, and warm dark matter. We test these three possibilities using a semi-analytic model of galaxy formation to generate luminosity functions for Milky Way halo-analogue satellite populations, the results of which are then coupled to the Jiang & van den "},"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":"1611.00005","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-31T20:00:01Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"f9c3745d6e88f18fb0c68c8559c9b76a158e2d4d85abeede4706af76c535b8a8","abstract_canon_sha256":"ba143b5fe876ab1a07777d94a8702d35cf77679a8dca12c432a6d91915f83730"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:36.568297Z","signature_b64":"nPZZboVOs9Nkt5dtKjFrTb1AO/HpmO29N89ZVzpnkEUtoPY76Gwzqje6LB8JXAxgbnuxZhg/p3Kqm/zhoq4NCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"93a81435f86acbbd421bbce9f1162dfae8c365f39b167a326af92c9b69dffa29","last_reissued_at":"2026-05-18T00:37:36.567661Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:36.567661Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Addressing the too big to fail problem with baryon physics and sterile neutrino dark matter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Alexey Boyarsky (Leiden), Carlos S. Frenk (Durham), EPFL), Leiden), Mark R. Lovell (MPIA, Oleg Ruchayskiy (Copenhagen, Shaun Cole (Durham), Sownak Bose (Durham), UvA, Violeta Gonzalez-Perez (ICG Portsmouth)","submitted_at":"2016-10-31T20:00:01Z","abstract_excerpt":"N-body dark matter simulations of structure formation in the $\\Lambda$CDM model predict a population of subhalos within Galactic halos that have higher central densities than inferred for satellites of the Milky Way, a tension known as the `too big to fail' problem. Proposed solutions include baryonic effects, a smaller mass for the Milky Way halo, and warm dark matter. We test these three possibilities using a semi-analytic model of galaxy formation to generate luminosity functions for Milky Way halo-analogue satellite populations, the results of which are then coupled to the Jiang & van den "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.00005","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":"1611.00005","created_at":"2026-05-18T00:37:36.567748+00:00"},{"alias_kind":"arxiv_version","alias_value":"1611.00005v2","created_at":"2026-05-18T00:37:36.567748+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.00005","created_at":"2026-05-18T00:37:36.567748+00:00"},{"alias_kind":"pith_short_12","alias_value":"SOUBINPYNLF3","created_at":"2026-05-18T12:30:44.179134+00:00"},{"alias_kind":"pith_short_16","alias_value":"SOUBINPYNLF32QQ3","created_at":"2026-05-18T12:30:44.179134+00:00"},{"alias_kind":"pith_short_8","alias_value":"SOUBINPY","created_at":"2026-05-18T12:30:44.179134+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/SOUBINPYNLF32QQ3XTU7CFRN7L","json":"https://pith.science/pith/SOUBINPYNLF32QQ3XTU7CFRN7L.json","graph_json":"https://pith.science/api/pith-number/SOUBINPYNLF32QQ3XTU7CFRN7L/graph.json","events_json":"https://pith.science/api/pith-number/SOUBINPYNLF32QQ3XTU7CFRN7L/events.json","paper":"https://pith.science/paper/SOUBINPY"},"agent_actions":{"view_html":"https://pith.science/pith/SOUBINPYNLF32QQ3XTU7CFRN7L","download_json":"https://pith.science/pith/SOUBINPYNLF32QQ3XTU7CFRN7L.json","view_paper":"https://pith.science/paper/SOUBINPY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1611.00005&json=true","fetch_graph":"https://pith.science/api/pith-number/SOUBINPYNLF32QQ3XTU7CFRN7L/graph.json","fetch_events":"https://pith.science/api/pith-number/SOUBINPYNLF32QQ3XTU7CFRN7L/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SOUBINPYNLF32QQ3XTU7CFRN7L/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SOUBINPYNLF32QQ3XTU7CFRN7L/action/storage_attestation","attest_author":"https://pith.science/pith/SOUBINPYNLF32QQ3XTU7CFRN7L/action/author_attestation","sign_citation":"https://pith.science/pith/SOUBINPYNLF32QQ3XTU7CFRN7L/action/citation_signature","submit_replication":"https://pith.science/pith/SOUBINPYNLF32QQ3XTU7CFRN7L/action/replication_record"}},"created_at":"2026-05-18T00:37:36.567748+00:00","updated_at":"2026-05-18T00:37:36.567748+00:00"}