{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:TDWY7UDW2H72LML5MBQPHJWKCZ","short_pith_number":"pith:TDWY7UDW","schema_version":"1.0","canonical_sha256":"98ed8fd076d1ffa5b17d6060f3a6ca1679855ff247b1909aaa0e372a99d1111c","source":{"kind":"arxiv","id":"1010.1538","version":1},"attestation_state":"computed","paper":{"title":"Measurement of a Metallicity Gradient in a z=2 Galaxy: Implications for Inside-Out Assembly Histories","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Eric Jullo, Johan Richard, Richard S. Ellis, Tucker Jones","submitted_at":"2010-10-07T20:04:47Z","abstract_excerpt":"We present near-infrared imaging spectroscopy of the strongly-lensed z=2.00 galaxy SDSS J120601.69+514227.8 (`the Clone arc'). Using OSIRIS on the Keck 2 telescope with laser guide star adaptive optics, we achieve resolved spectroscopy with 0.20 arcsecond FWHM resolution in the diagnostic emission lines [O III], Halpha, and [N II]. The lensing magnification allows us to map the velocity and star formation from Halpha emission at a physical resolution of ~300 pc in the galaxy source plane. With an integrated star formation rate of ~50 Msun/yr, the galaxy is typical of sources similarly studied "},"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":"1010.1538","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-10-07T20:04:47Z","cross_cats_sorted":[],"title_canon_sha256":"1a79b7a29fe8cf8d8ab6bf6498911755c53f520cad79705702ce9fd6b88efa52","abstract_canon_sha256":"a39b55569703b07d3162efc891aedaa7e8d32ac38413d2e7e59b15e1a34d5134"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:07.887778Z","signature_b64":"VVn0eH161zS3QPVXBsQ4VQLNsHf22uJMjovJltpc8dV+DsogAPz717VTQaqMKg+HCXg61OzOazg+MUmVM7HOAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"98ed8fd076d1ffa5b17d6060f3a6ca1679855ff247b1909aaa0e372a99d1111c","last_reissued_at":"2026-05-18T02:05:07.887097Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:07.887097Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement of a Metallicity Gradient in a z=2 Galaxy: Implications for Inside-Out Assembly Histories","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Eric Jullo, Johan Richard, Richard S. Ellis, Tucker Jones","submitted_at":"2010-10-07T20:04:47Z","abstract_excerpt":"We present near-infrared imaging spectroscopy of the strongly-lensed z=2.00 galaxy SDSS J120601.69+514227.8 (`the Clone arc'). Using OSIRIS on the Keck 2 telescope with laser guide star adaptive optics, we achieve resolved spectroscopy with 0.20 arcsecond FWHM resolution in the diagnostic emission lines [O III], Halpha, and [N II]. The lensing magnification allows us to map the velocity and star formation from Halpha emission at a physical resolution of ~300 pc in the galaxy source plane. With an integrated star formation rate of ~50 Msun/yr, the galaxy is typical of sources similarly studied "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.1538","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":"1010.1538","created_at":"2026-05-18T02:05:07.887209+00:00"},{"alias_kind":"arxiv_version","alias_value":"1010.1538v1","created_at":"2026-05-18T02:05:07.887209+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.1538","created_at":"2026-05-18T02:05:07.887209+00:00"},{"alias_kind":"pith_short_12","alias_value":"TDWY7UDW2H72","created_at":"2026-05-18T12:26:13.927090+00:00"},{"alias_kind":"pith_short_16","alias_value":"TDWY7UDW2H72LML5","created_at":"2026-05-18T12:26:13.927090+00:00"},{"alias_kind":"pith_short_8","alias_value":"TDWY7UDW","created_at":"2026-05-18T12:26:13.927090+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/TDWY7UDW2H72LML5MBQPHJWKCZ","json":"https://pith.science/pith/TDWY7UDW2H72LML5MBQPHJWKCZ.json","graph_json":"https://pith.science/api/pith-number/TDWY7UDW2H72LML5MBQPHJWKCZ/graph.json","events_json":"https://pith.science/api/pith-number/TDWY7UDW2H72LML5MBQPHJWKCZ/events.json","paper":"https://pith.science/paper/TDWY7UDW"},"agent_actions":{"view_html":"https://pith.science/pith/TDWY7UDW2H72LML5MBQPHJWKCZ","download_json":"https://pith.science/pith/TDWY7UDW2H72LML5MBQPHJWKCZ.json","view_paper":"https://pith.science/paper/TDWY7UDW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1010.1538&json=true","fetch_graph":"https://pith.science/api/pith-number/TDWY7UDW2H72LML5MBQPHJWKCZ/graph.json","fetch_events":"https://pith.science/api/pith-number/TDWY7UDW2H72LML5MBQPHJWKCZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TDWY7UDW2H72LML5MBQPHJWKCZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TDWY7UDW2H72LML5MBQPHJWKCZ/action/storage_attestation","attest_author":"https://pith.science/pith/TDWY7UDW2H72LML5MBQPHJWKCZ/action/author_attestation","sign_citation":"https://pith.science/pith/TDWY7UDW2H72LML5MBQPHJWKCZ/action/citation_signature","submit_replication":"https://pith.science/pith/TDWY7UDW2H72LML5MBQPHJWKCZ/action/replication_record"}},"created_at":"2026-05-18T02:05:07.887209+00:00","updated_at":"2026-05-18T02:05:07.887209+00:00"}