{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:LEGAWUYNMDT3K5Y3KYEAMB26SM","short_pith_number":"pith:LEGAWUYN","schema_version":"1.0","canonical_sha256":"590c0b530d60e7b5771b560806075e9337509c03238d0d7be85f22d7a4770f0c","source":{"kind":"arxiv","id":"1701.03465","version":1},"attestation_state":"computed","paper":{"title":"The Carnegie-Chicago Hubble Program: Discovery of the Most Distant Ultra-faint Dwarf Galaxy in the Local Universe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Barry Madore, Giuseppe Bono, In Sung Jang, Mark Seibert, Myung Gyoon Lee, Rachael Beaton","submitted_at":"2017-01-12T19:00:03Z","abstract_excerpt":"Ultra-faint dwarf galaxies (UFDs) are the faintest known galaxies and due to their incredibly low surface brightness, it is difficult to find them beyond the Local Group. We report a serendipitous discovery of an UFD, Fornax UFD1, in the outskirts of NGC 1316, a giant galaxy in the Fornax cluster. The new galaxy is located at a projected radius of 55 kpc in the south-east of NGC 1316. This UFD is found as a small group of resolved stars in the Hubble Space Telescope images of a halo field of NGC 1316, obtained as part of the Carnegie-Chicago Hubble Program. Resolved stars in this galaxy are co"},"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":"1701.03465","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-01-12T19:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"4bd1572ff7fe7c3b4ce64d3cd5bc4a0da623b97e0fe3939a96704f73c5a76499","abstract_canon_sha256":"d8e565b362e0381fdf22ca2eb36ac1a0de6dd93cb6809db75cc2b4472d81c281"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:11.868534Z","signature_b64":"IQSBiPMSRv/g4OPvQj42r4S4tERNNEJ9+g8QS4IqivS08kS+KoSjUhUATq66Jo6zD+DYFIcpUgg0kQFnlNbaDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"590c0b530d60e7b5771b560806075e9337509c03238d0d7be85f22d7a4770f0c","last_reissued_at":"2026-05-18T00:51:11.867817Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:11.867817Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Carnegie-Chicago Hubble Program: Discovery of the Most Distant Ultra-faint Dwarf Galaxy in the Local Universe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Barry Madore, Giuseppe Bono, In Sung Jang, Mark Seibert, Myung Gyoon Lee, Rachael Beaton","submitted_at":"2017-01-12T19:00:03Z","abstract_excerpt":"Ultra-faint dwarf galaxies (UFDs) are the faintest known galaxies and due to their incredibly low surface brightness, it is difficult to find them beyond the Local Group. We report a serendipitous discovery of an UFD, Fornax UFD1, in the outskirts of NGC 1316, a giant galaxy in the Fornax cluster. The new galaxy is located at a projected radius of 55 kpc in the south-east of NGC 1316. This UFD is found as a small group of resolved stars in the Hubble Space Telescope images of a halo field of NGC 1316, obtained as part of the Carnegie-Chicago Hubble Program. Resolved stars in this galaxy are co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.03465","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":"1701.03465","created_at":"2026-05-18T00:51:11.867920+00:00"},{"alias_kind":"arxiv_version","alias_value":"1701.03465v1","created_at":"2026-05-18T00:51:11.867920+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.03465","created_at":"2026-05-18T00:51:11.867920+00:00"},{"alias_kind":"pith_short_12","alias_value":"LEGAWUYNMDT3","created_at":"2026-05-18T12:31:28.150371+00:00"},{"alias_kind":"pith_short_16","alias_value":"LEGAWUYNMDT3K5Y3","created_at":"2026-05-18T12:31:28.150371+00:00"},{"alias_kind":"pith_short_8","alias_value":"LEGAWUYN","created_at":"2026-05-18T12:31:28.150371+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/LEGAWUYNMDT3K5Y3KYEAMB26SM","json":"https://pith.science/pith/LEGAWUYNMDT3K5Y3KYEAMB26SM.json","graph_json":"https://pith.science/api/pith-number/LEGAWUYNMDT3K5Y3KYEAMB26SM/graph.json","events_json":"https://pith.science/api/pith-number/LEGAWUYNMDT3K5Y3KYEAMB26SM/events.json","paper":"https://pith.science/paper/LEGAWUYN"},"agent_actions":{"view_html":"https://pith.science/pith/LEGAWUYNMDT3K5Y3KYEAMB26SM","download_json":"https://pith.science/pith/LEGAWUYNMDT3K5Y3KYEAMB26SM.json","view_paper":"https://pith.science/paper/LEGAWUYN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1701.03465&json=true","fetch_graph":"https://pith.science/api/pith-number/LEGAWUYNMDT3K5Y3KYEAMB26SM/graph.json","fetch_events":"https://pith.science/api/pith-number/LEGAWUYNMDT3K5Y3KYEAMB26SM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LEGAWUYNMDT3K5Y3KYEAMB26SM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LEGAWUYNMDT3K5Y3KYEAMB26SM/action/storage_attestation","attest_author":"https://pith.science/pith/LEGAWUYNMDT3K5Y3KYEAMB26SM/action/author_attestation","sign_citation":"https://pith.science/pith/LEGAWUYNMDT3K5Y3KYEAMB26SM/action/citation_signature","submit_replication":"https://pith.science/pith/LEGAWUYNMDT3K5Y3KYEAMB26SM/action/replication_record"}},"created_at":"2026-05-18T00:51:11.867920+00:00","updated_at":"2026-05-18T00:51:11.867920+00:00"}