{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:Y2ZDFNC5LZQM7PVN5TCLQQDGJU","short_pith_number":"pith:Y2ZDFNC5","schema_version":"1.0","canonical_sha256":"c6b232b45d5e60cfbeadecc4b840664d11a621c4d32b9bb6c6f509261844157a","source":{"kind":"arxiv","id":"1106.5500","version":3},"attestation_state":"computed","paper":{"title":"What Sets the Sizes of the Faintest Galaxies?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"(2) The Purple Mountain Observatory, Andrea V. Macci\\`o (1), Crystal M. Brasseur (1), Hans-Walter Rix (1), Heidelberg, Nanjing), Nicolas F. Martin (1), Xi Kang (2) ((1) Max Planck Institute for Astronomy","submitted_at":"2011-06-27T20:00:03Z","abstract_excerpt":"We provide a comprehensive description and offer an explanation for the sizes of the faintest known galaxies in the universe, the dwarf spheroidal (dSph) satellites of the Milky Way and Andromeda. After compiling a consistent data set of half-light radii (r_{1/2}) and luminosities, we describe the size-luminosity relation of dSphs by a log-normal distribution in r_{1/2} with a mean size that varies as a function of luminosity. Accounting for modest number statistics, measurement uncertainties and surface brightness limitations, we find that the size-luminosity relations of the Milky Way and An"},"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":"1106.5500","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-06-27T20:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"2d5eb14b0804c350b5f8b3035b0cbd9e3c22b51b75f3e9b23bcf9636f17aad12","abstract_canon_sha256":"b1339128b940d0b3b34d549811c6b1753a52b3c3b92f1f7de997bbf5224f24bc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:30.187205Z","signature_b64":"VEy1kPQa7BIxsozrB6LgQhWLMBpIIeVatvtC/ogGbTfBE7nZiaRePO76RQk34UCq94oEjBMigC7U+c/IDDHSDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c6b232b45d5e60cfbeadecc4b840664d11a621c4d32b9bb6c6f509261844157a","last_reissued_at":"2026-05-18T02:01:30.186565Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:30.186565Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"What Sets the Sizes of the Faintest Galaxies?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"(2) The Purple Mountain Observatory, Andrea V. Macci\\`o (1), Crystal M. Brasseur (1), Hans-Walter Rix (1), Heidelberg, Nanjing), Nicolas F. Martin (1), Xi Kang (2) ((1) Max Planck Institute for Astronomy","submitted_at":"2011-06-27T20:00:03Z","abstract_excerpt":"We provide a comprehensive description and offer an explanation for the sizes of the faintest known galaxies in the universe, the dwarf spheroidal (dSph) satellites of the Milky Way and Andromeda. After compiling a consistent data set of half-light radii (r_{1/2}) and luminosities, we describe the size-luminosity relation of dSphs by a log-normal distribution in r_{1/2} with a mean size that varies as a function of luminosity. Accounting for modest number statistics, measurement uncertainties and surface brightness limitations, we find that the size-luminosity relations of the Milky Way and An"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.5500","kind":"arxiv","version":3},"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":"1106.5500","created_at":"2026-05-18T02:01:30.186660+00:00"},{"alias_kind":"arxiv_version","alias_value":"1106.5500v3","created_at":"2026-05-18T02:01:30.186660+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.5500","created_at":"2026-05-18T02:01:30.186660+00:00"},{"alias_kind":"pith_short_12","alias_value":"Y2ZDFNC5LZQM","created_at":"2026-05-18T12:26:47.523578+00:00"},{"alias_kind":"pith_short_16","alias_value":"Y2ZDFNC5LZQM7PVN","created_at":"2026-05-18T12:26:47.523578+00:00"},{"alias_kind":"pith_short_8","alias_value":"Y2ZDFNC5","created_at":"2026-05-18T12:26:47.523578+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/Y2ZDFNC5LZQM7PVN5TCLQQDGJU","json":"https://pith.science/pith/Y2ZDFNC5LZQM7PVN5TCLQQDGJU.json","graph_json":"https://pith.science/api/pith-number/Y2ZDFNC5LZQM7PVN5TCLQQDGJU/graph.json","events_json":"https://pith.science/api/pith-number/Y2ZDFNC5LZQM7PVN5TCLQQDGJU/events.json","paper":"https://pith.science/paper/Y2ZDFNC5"},"agent_actions":{"view_html":"https://pith.science/pith/Y2ZDFNC5LZQM7PVN5TCLQQDGJU","download_json":"https://pith.science/pith/Y2ZDFNC5LZQM7PVN5TCLQQDGJU.json","view_paper":"https://pith.science/paper/Y2ZDFNC5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1106.5500&json=true","fetch_graph":"https://pith.science/api/pith-number/Y2ZDFNC5LZQM7PVN5TCLQQDGJU/graph.json","fetch_events":"https://pith.science/api/pith-number/Y2ZDFNC5LZQM7PVN5TCLQQDGJU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Y2ZDFNC5LZQM7PVN5TCLQQDGJU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Y2ZDFNC5LZQM7PVN5TCLQQDGJU/action/storage_attestation","attest_author":"https://pith.science/pith/Y2ZDFNC5LZQM7PVN5TCLQQDGJU/action/author_attestation","sign_citation":"https://pith.science/pith/Y2ZDFNC5LZQM7PVN5TCLQQDGJU/action/citation_signature","submit_replication":"https://pith.science/pith/Y2ZDFNC5LZQM7PVN5TCLQQDGJU/action/replication_record"}},"created_at":"2026-05-18T02:01:30.186660+00:00","updated_at":"2026-05-18T02:01:30.186660+00:00"}