{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:DAKEBD3XBOEPR4WC3GK5XDWTMR","short_pith_number":"pith:DAKEBD3X","schema_version":"1.0","canonical_sha256":"1814408f770b88f8f2c2d995db8ed3645bbbc6e64dd0c99357ecf98c0b8acc9d","source":{"kind":"arxiv","id":"1207.2295","version":1},"attestation_state":"computed","paper":{"title":"Spatially Resolved Colors and Stellar Population Properties in Early-Type Galaxies at z ~ 1.5","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Gargiulo, F. La Barbera, M. Longhetti, P. Saracco, S. Tamburri","submitted_at":"2012-07-10T10:24:55Z","abstract_excerpt":"We present F850LP-F160W color gradients for 11 early-type galaxies (ETGs) at 1.0<z_spec<1.9. Significant negative F850LP-F160W color gradients have been detected in ~70% of our sample within the effective radius R_e, the remaining 30% having a flat color profile. Extending the analysis at R>R_e we have found that the fraction of high-z ETGs with negative F850LP-F160W color gradients rises up to 100%. For each galaxy, we investigate the origin of the radial color variation with a technique based on the matching of both the spatially resolved color and the global spectral energy distribution (SE"},"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":"1207.2295","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-07-10T10:24:55Z","cross_cats_sorted":[],"title_canon_sha256":"d70741f51f6d56149dc436d43151317813d3019c44c9877867c47aadfaa21a82","abstract_canon_sha256":"34c03fd4dc3f63eb0dfebf98cafb5e1e0931025e4f5da1a78905560a39a77c29"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:56:25.979205Z","signature_b64":"UhRTvUJnl3PMPrBiG2iKFq/n9x25yWhZUxyeyZnwmNJEAVym3Lm57PfbhNPEWFGpmipsctF+qzWpHHUaCAxKAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1814408f770b88f8f2c2d995db8ed3645bbbc6e64dd0c99357ecf98c0b8acc9d","last_reissued_at":"2026-05-18T01:56:25.978421Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:56:25.978421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spatially Resolved Colors and Stellar Population Properties in Early-Type Galaxies at z ~ 1.5","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Gargiulo, F. La Barbera, M. Longhetti, P. Saracco, S. Tamburri","submitted_at":"2012-07-10T10:24:55Z","abstract_excerpt":"We present F850LP-F160W color gradients for 11 early-type galaxies (ETGs) at 1.0<z_spec<1.9. Significant negative F850LP-F160W color gradients have been detected in ~70% of our sample within the effective radius R_e, the remaining 30% having a flat color profile. Extending the analysis at R>R_e we have found that the fraction of high-z ETGs with negative F850LP-F160W color gradients rises up to 100%. For each galaxy, we investigate the origin of the radial color variation with a technique based on the matching of both the spatially resolved color and the global spectral energy distribution (SE"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.2295","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":"1207.2295","created_at":"2026-05-18T01:56:25.978554+00:00"},{"alias_kind":"arxiv_version","alias_value":"1207.2295v1","created_at":"2026-05-18T01:56:25.978554+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.2295","created_at":"2026-05-18T01:56:25.978554+00:00"},{"alias_kind":"pith_short_12","alias_value":"DAKEBD3XBOEP","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_16","alias_value":"DAKEBD3XBOEPR4WC","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_8","alias_value":"DAKEBD3X","created_at":"2026-05-18T12:27:01.376967+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/DAKEBD3XBOEPR4WC3GK5XDWTMR","json":"https://pith.science/pith/DAKEBD3XBOEPR4WC3GK5XDWTMR.json","graph_json":"https://pith.science/api/pith-number/DAKEBD3XBOEPR4WC3GK5XDWTMR/graph.json","events_json":"https://pith.science/api/pith-number/DAKEBD3XBOEPR4WC3GK5XDWTMR/events.json","paper":"https://pith.science/paper/DAKEBD3X"},"agent_actions":{"view_html":"https://pith.science/pith/DAKEBD3XBOEPR4WC3GK5XDWTMR","download_json":"https://pith.science/pith/DAKEBD3XBOEPR4WC3GK5XDWTMR.json","view_paper":"https://pith.science/paper/DAKEBD3X","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1207.2295&json=true","fetch_graph":"https://pith.science/api/pith-number/DAKEBD3XBOEPR4WC3GK5XDWTMR/graph.json","fetch_events":"https://pith.science/api/pith-number/DAKEBD3XBOEPR4WC3GK5XDWTMR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DAKEBD3XBOEPR4WC3GK5XDWTMR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DAKEBD3XBOEPR4WC3GK5XDWTMR/action/storage_attestation","attest_author":"https://pith.science/pith/DAKEBD3XBOEPR4WC3GK5XDWTMR/action/author_attestation","sign_citation":"https://pith.science/pith/DAKEBD3XBOEPR4WC3GK5XDWTMR/action/citation_signature","submit_replication":"https://pith.science/pith/DAKEBD3XBOEPR4WC3GK5XDWTMR/action/replication_record"}},"created_at":"2026-05-18T01:56:25.978554+00:00","updated_at":"2026-05-18T01:56:25.978554+00:00"}