{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:BDZ5OGZZA63OGVXABSCTAX6D23","short_pith_number":"pith:BDZ5OGZZ","schema_version":"1.0","canonical_sha256":"08f3d71b3907b6e356e00c85305fc3d6d10a3b6ecbac01f7e5d8e59141ab3991","source":{"kind":"arxiv","id":"1602.00002","version":2},"attestation_state":"computed","paper":{"title":"The abundance and spatial distribution of ultra-diffuse galaxies in nearby galaxy clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adam Muzzin, Henk Hoekstra, Remco F.J. van der Burg","submitted_at":"2016-01-29T21:00:00Z","abstract_excerpt":"Recent observations have highlighted a significant population of faint but large (r_eff>1.5 kpc) galaxies in the Coma cluster. The origin of these Ultra Diffuse Galaxies (UDGs) remains puzzling, as the interpretation of the observational results has been hindered by the subjective selection of UDGs, and the limited study of only the Coma (and some examples in the Virgo-) cluster. We extend the study of UDGs using 8 clusters in the redshift range 0.044<z<0.063 with deep g- and r-band imaging data taken with MegaCam at the CFHT. We describe an automatic selection pipeline for quantitative identi"},"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":"1602.00002","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-01-29T21:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"3628b7e92902cae6d28ad3a3b525ecb34d5f92186f1911bfb21f8975e97f89e7","abstract_canon_sha256":"c49d9eeb874b86b4bed309b2c33a281dcde05fe5f7bb95f432577ecd0f8ff144"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:15:42.681674Z","signature_b64":"CaJRXHOOcVIH9IKx1BoNcbyQ8gq/PE/pEzU6xpDRSTotoD5IBEgg4ag7sjQI5nVeYGC04eIbBA8Q4Y7UfRlVCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08f3d71b3907b6e356e00c85305fc3d6d10a3b6ecbac01f7e5d8e59141ab3991","last_reissued_at":"2026-05-18T01:15:42.680978Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:15:42.680978Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The abundance and spatial distribution of ultra-diffuse galaxies in nearby galaxy clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adam Muzzin, Henk Hoekstra, Remco F.J. van der Burg","submitted_at":"2016-01-29T21:00:00Z","abstract_excerpt":"Recent observations have highlighted a significant population of faint but large (r_eff>1.5 kpc) galaxies in the Coma cluster. The origin of these Ultra Diffuse Galaxies (UDGs) remains puzzling, as the interpretation of the observational results has been hindered by the subjective selection of UDGs, and the limited study of only the Coma (and some examples in the Virgo-) cluster. We extend the study of UDGs using 8 clusters in the redshift range 0.044<z<0.063 with deep g- and r-band imaging data taken with MegaCam at the CFHT. We describe an automatic selection pipeline for quantitative identi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.00002","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":"1602.00002","created_at":"2026-05-18T01:15:42.681086+00:00"},{"alias_kind":"arxiv_version","alias_value":"1602.00002v2","created_at":"2026-05-18T01:15:42.681086+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.00002","created_at":"2026-05-18T01:15:42.681086+00:00"},{"alias_kind":"pith_short_12","alias_value":"BDZ5OGZZA63O","created_at":"2026-05-18T12:30:07.202191+00:00"},{"alias_kind":"pith_short_16","alias_value":"BDZ5OGZZA63OGVXA","created_at":"2026-05-18T12:30:07.202191+00:00"},{"alias_kind":"pith_short_8","alias_value":"BDZ5OGZZ","created_at":"2026-05-18T12:30:07.202191+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.13842","citing_title":"From DES to KiDS: Domain adaptation for cross-survey detection of low-surface-brightness galaxies","ref_index":186,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/BDZ5OGZZA63OGVXABSCTAX6D23","json":"https://pith.science/pith/BDZ5OGZZA63OGVXABSCTAX6D23.json","graph_json":"https://pith.science/api/pith-number/BDZ5OGZZA63OGVXABSCTAX6D23/graph.json","events_json":"https://pith.science/api/pith-number/BDZ5OGZZA63OGVXABSCTAX6D23/events.json","paper":"https://pith.science/paper/BDZ5OGZZ"},"agent_actions":{"view_html":"https://pith.science/pith/BDZ5OGZZA63OGVXABSCTAX6D23","download_json":"https://pith.science/pith/BDZ5OGZZA63OGVXABSCTAX6D23.json","view_paper":"https://pith.science/paper/BDZ5OGZZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1602.00002&json=true","fetch_graph":"https://pith.science/api/pith-number/BDZ5OGZZA63OGVXABSCTAX6D23/graph.json","fetch_events":"https://pith.science/api/pith-number/BDZ5OGZZA63OGVXABSCTAX6D23/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BDZ5OGZZA63OGVXABSCTAX6D23/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BDZ5OGZZA63OGVXABSCTAX6D23/action/storage_attestation","attest_author":"https://pith.science/pith/BDZ5OGZZA63OGVXABSCTAX6D23/action/author_attestation","sign_citation":"https://pith.science/pith/BDZ5OGZZA63OGVXABSCTAX6D23/action/citation_signature","submit_replication":"https://pith.science/pith/BDZ5OGZZA63OGVXABSCTAX6D23/action/replication_record"}},"created_at":"2026-05-18T01:15:42.681086+00:00","updated_at":"2026-05-18T01:15:42.681086+00:00"}