{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:BPB76EP2E5ZWXS56ZU6GD6WKDE","short_pith_number":"pith:BPB76EP2","schema_version":"1.0","canonical_sha256":"0bc3ff11fa27736bcbbecd3c61faca1922a77b73b03abdce65ed05332ab3a8c8","source":{"kind":"arxiv","id":"1906.10744","version":1},"attestation_state":"computed","paper":{"title":"The angular scale of homogeneity in the Local Universe with the SDSS blue galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Bernui, C. P. Novaes, E. de Carvalho, F. Avila, J. P. Nogueira-Cavalcante","submitted_at":"2019-06-25T19:51:26Z","abstract_excerpt":"We probe the angular scale of homogeneity in the local Universe using blue galaxies from the SDSS survey as a cosmological tracer. Through the scaled counts in spherical caps, $ \\mathcal{N}(<\\theta) $, and the fractal correlation dimension, $\\mathcal{D}_{2}(\\theta)$, we find an angular scale of transition to homogeneity for this sample of $\\theta_{\\text{H}} = 22.19^{\\circ} \\pm 1.02^{\\circ}$. A comparison of this measurement with another obtained using a different cosmic tracer at a similar redshift range ($z < 0.06$), namely, the HI extragalactic sources from the ALFALFA catalogue, confirms th"},"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":"1906.10744","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-06-25T19:51:26Z","cross_cats_sorted":[],"title_canon_sha256":"bb820450708b2fe2938fc908ae874d1e62e9f55ae03319830e58e98a9f0c2eb0","abstract_canon_sha256":"2af08f9bf994bd7538f733d19d48c92831bf5fa9d7851641849b345738d095b1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:07.388298Z","signature_b64":"5GhzHv87qrobiDEk6PhCRzTTozoTRJbP4ur6Uno1wNXRmr+oryNW6T9Xrym004yL7mk/QPkabT7vBJgaXjsOBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0bc3ff11fa27736bcbbecd3c61faca1922a77b73b03abdce65ed05332ab3a8c8","last_reissued_at":"2026-05-17T23:41:07.387632Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:07.387632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The angular scale of homogeneity in the Local Universe with the SDSS blue galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Bernui, C. P. Novaes, E. de Carvalho, F. Avila, J. P. Nogueira-Cavalcante","submitted_at":"2019-06-25T19:51:26Z","abstract_excerpt":"We probe the angular scale of homogeneity in the local Universe using blue galaxies from the SDSS survey as a cosmological tracer. Through the scaled counts in spherical caps, $ \\mathcal{N}(<\\theta) $, and the fractal correlation dimension, $\\mathcal{D}_{2}(\\theta)$, we find an angular scale of transition to homogeneity for this sample of $\\theta_{\\text{H}} = 22.19^{\\circ} \\pm 1.02^{\\circ}$. A comparison of this measurement with another obtained using a different cosmic tracer at a similar redshift range ($z < 0.06$), namely, the HI extragalactic sources from the ALFALFA catalogue, confirms th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.10744","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":"1906.10744","created_at":"2026-05-17T23:41:07.387748+00:00"},{"alias_kind":"arxiv_version","alias_value":"1906.10744v1","created_at":"2026-05-17T23:41:07.387748+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.10744","created_at":"2026-05-17T23:41:07.387748+00:00"},{"alias_kind":"pith_short_12","alias_value":"BPB76EP2E5ZW","created_at":"2026-05-18T12:33:12.712433+00:00"},{"alias_kind":"pith_short_16","alias_value":"BPB76EP2E5ZWXS56","created_at":"2026-05-18T12:33:12.712433+00:00"},{"alias_kind":"pith_short_8","alias_value":"BPB76EP2","created_at":"2026-05-18T12:33:12.712433+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/BPB76EP2E5ZWXS56ZU6GD6WKDE","json":"https://pith.science/pith/BPB76EP2E5ZWXS56ZU6GD6WKDE.json","graph_json":"https://pith.science/api/pith-number/BPB76EP2E5ZWXS56ZU6GD6WKDE/graph.json","events_json":"https://pith.science/api/pith-number/BPB76EP2E5ZWXS56ZU6GD6WKDE/events.json","paper":"https://pith.science/paper/BPB76EP2"},"agent_actions":{"view_html":"https://pith.science/pith/BPB76EP2E5ZWXS56ZU6GD6WKDE","download_json":"https://pith.science/pith/BPB76EP2E5ZWXS56ZU6GD6WKDE.json","view_paper":"https://pith.science/paper/BPB76EP2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1906.10744&json=true","fetch_graph":"https://pith.science/api/pith-number/BPB76EP2E5ZWXS56ZU6GD6WKDE/graph.json","fetch_events":"https://pith.science/api/pith-number/BPB76EP2E5ZWXS56ZU6GD6WKDE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BPB76EP2E5ZWXS56ZU6GD6WKDE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BPB76EP2E5ZWXS56ZU6GD6WKDE/action/storage_attestation","attest_author":"https://pith.science/pith/BPB76EP2E5ZWXS56ZU6GD6WKDE/action/author_attestation","sign_citation":"https://pith.science/pith/BPB76EP2E5ZWXS56ZU6GD6WKDE/action/citation_signature","submit_replication":"https://pith.science/pith/BPB76EP2E5ZWXS56ZU6GD6WKDE/action/replication_record"}},"created_at":"2026-05-17T23:41:07.387748+00:00","updated_at":"2026-05-17T23:41:07.387748+00:00"}