{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:4LGM2UOXTDNQIGI5DVLFIM6PPF","short_pith_number":"pith:4LGM2UOX","schema_version":"1.0","canonical_sha256":"e2cccd51d798db04191d1d565433cf79421d6c05cd0f0c157e5dc6c2cab509a1","source":{"kind":"arxiv","id":"2107.13241","version":1},"attestation_state":"computed","paper":{"title":"An ancient massive quiescent galaxy found in a gas-rich z ~ 3 group","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Annagrazia Puglisi, Boris S. Kalita, Carlos G\\'omez-Guijarro, Chiara D'Eugenio, David Elbaz, Emanuele Daddi, Francesco Valentino, Ivan Delvecchio, James D. Neill, R. Michael Rich, Rosemary T. Coogan, Veronica Strazzullo","submitted_at":"2021-07-28T09:54:21Z","abstract_excerpt":"Deep ALMA and HST observations reveal the presence of a quenched massive galaxy within the $z=2.91$ galaxy group RO-1001. With a mass-weighted stellar age of $1.6 \\pm 0.4 \\,$Gyr this galaxy is one of the oldest known at $z\\sim3$, implying that most of its $10^{11}\\rm \\, M_{\\odot}$ of stars were rapidly formed at $z>6$--8. This is a unique example of the predominantly passive evolution of a galaxy over at least $3<z<6$ following its high-redshift quenching and a smoking-gun event pointing to the early imprint of an age-environment relation. At the same time, being in a dense group environment w"},"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":"2107.13241","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-07-28T09:54:21Z","cross_cats_sorted":[],"title_canon_sha256":"1e187fe71b065bc1d755074bfd8cbc5d0f3970ef28527c7b4671f3e352e6a27d","abstract_canon_sha256":"92a7da14a4c7401bf09be2011a780254b11d0bfb09f157fc22a0a1e003aa3e69"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:08:37.449485Z","signature_b64":"ZPzDJoLJ4wDutVMZo4azQdnvr0x/Z84sej30RWhJ6I+XXhikBuadAot+k6kkLtoSgrbdK1LOoedgHUMRzIdVCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e2cccd51d798db04191d1d565433cf79421d6c05cd0f0c157e5dc6c2cab509a1","last_reissued_at":"2026-07-05T03:08:37.449037Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:08:37.449037Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An ancient massive quiescent galaxy found in a gas-rich z ~ 3 group","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Annagrazia Puglisi, Boris S. Kalita, Carlos G\\'omez-Guijarro, Chiara D'Eugenio, David Elbaz, Emanuele Daddi, Francesco Valentino, Ivan Delvecchio, James D. Neill, R. Michael Rich, Rosemary T. Coogan, Veronica Strazzullo","submitted_at":"2021-07-28T09:54:21Z","abstract_excerpt":"Deep ALMA and HST observations reveal the presence of a quenched massive galaxy within the $z=2.91$ galaxy group RO-1001. With a mass-weighted stellar age of $1.6 \\pm 0.4 \\,$Gyr this galaxy is one of the oldest known at $z\\sim3$, implying that most of its $10^{11}\\rm \\, M_{\\odot}$ of stars were rapidly formed at $z>6$--8. This is a unique example of the predominantly passive evolution of a galaxy over at least $3<z<6$ following its high-redshift quenching and a smoking-gun event pointing to the early imprint of an age-environment relation. At the same time, being in a dense group environment w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.13241","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2107.13241/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2107.13241","created_at":"2026-07-05T03:08:37.449100+00:00"},{"alias_kind":"arxiv_version","alias_value":"2107.13241v1","created_at":"2026-07-05T03:08:37.449100+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.13241","created_at":"2026-07-05T03:08:37.449100+00:00"},{"alias_kind":"pith_short_12","alias_value":"4LGM2UOXTDNQ","created_at":"2026-07-05T03:08:37.449100+00:00"},{"alias_kind":"pith_short_16","alias_value":"4LGM2UOXTDNQIGI5","created_at":"2026-07-05T03:08:37.449100+00:00"},{"alias_kind":"pith_short_8","alias_value":"4LGM2UOX","created_at":"2026-07-05T03:08:37.449100+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/4LGM2UOXTDNQIGI5DVLFIM6PPF","json":"https://pith.science/pith/4LGM2UOXTDNQIGI5DVLFIM6PPF.json","graph_json":"https://pith.science/api/pith-number/4LGM2UOXTDNQIGI5DVLFIM6PPF/graph.json","events_json":"https://pith.science/api/pith-number/4LGM2UOXTDNQIGI5DVLFIM6PPF/events.json","paper":"https://pith.science/paper/4LGM2UOX"},"agent_actions":{"view_html":"https://pith.science/pith/4LGM2UOXTDNQIGI5DVLFIM6PPF","download_json":"https://pith.science/pith/4LGM2UOXTDNQIGI5DVLFIM6PPF.json","view_paper":"https://pith.science/paper/4LGM2UOX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2107.13241&json=true","fetch_graph":"https://pith.science/api/pith-number/4LGM2UOXTDNQIGI5DVLFIM6PPF/graph.json","fetch_events":"https://pith.science/api/pith-number/4LGM2UOXTDNQIGI5DVLFIM6PPF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4LGM2UOXTDNQIGI5DVLFIM6PPF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4LGM2UOXTDNQIGI5DVLFIM6PPF/action/storage_attestation","attest_author":"https://pith.science/pith/4LGM2UOXTDNQIGI5DVLFIM6PPF/action/author_attestation","sign_citation":"https://pith.science/pith/4LGM2UOXTDNQIGI5DVLFIM6PPF/action/citation_signature","submit_replication":"https://pith.science/pith/4LGM2UOXTDNQIGI5DVLFIM6PPF/action/replication_record"}},"created_at":"2026-07-05T03:08:37.449100+00:00","updated_at":"2026-07-05T03:08:37.449100+00:00"}