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Both the spectra show a sharp drop in the continuum which can be ascribed only to the Balmer break. This places them at 1.2<z<1.5. Their rest-frame z=1.2 K-band absolute magnitude is M_K ~ -26.6 (L ~ 7L*). The comparison of the spectra and the photometric data with a grid of synthetic template spectra provides a redshift z=1.22 for S7F5-254 and z=1.46 for S7F5-45. The resulting lower limits to 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":"astro-ph/0211394","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-11-18T10:09:21Z","cross_cats_sorted":[],"title_canon_sha256":"a207ff574b4d327d0ddbb6fa10e9ab0617683681392d446871dad94f496cc784","abstract_canon_sha256":"d3a8ea8e170196e2a3f3acae6ebba8d1035a46fe6a94e2ec9f26ea25992c1bce"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:31:10.464826Z","signature_b64":"7lAH1fycalQ9FMxVhetriCVGkiziZKkt8M0Fy4myQmPQdRUolDOiEXtN9N+XVp/ZUaqCSbTWGrlTbE5bAUGpDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"74286e84dc4c71d38cf69896c65c8da042d9c7af46a7a4a107cf5dcdfa93d3ca","last_reissued_at":"2026-07-04T16:31:10.464219Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:31:10.464219Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Massive z ~ 1.3 evolved galaxies revealed","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C. 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