{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:ILKV2QMXHCVGGU5BA5CWXIG626","short_pith_number":"pith:ILKV2QMX","schema_version":"1.0","canonical_sha256":"42d55d419738aa6353a107456ba0ded7862ff4c7326be37ec90ef3114a33ecd0","source":{"kind":"arxiv","id":"2307.08633","version":1},"attestation_state":"computed","paper":{"title":"JADES: deep spectroscopy of a low-mass galaxy at redshift 2.3 quenched by environment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andrew J. Bunker, Benjamin D. Johnson, Brant Robertson, Bruno Rodr\\'iguez Del Pino, Christina C. Williams, Christopher N. A. Willmer, Chris Willott, Daniel J. Eisenstein, Emma Curtis-Lake, Francesco D'Eugenio, Hannah \\\"Ubler, Jacopo Chevallard, Jakob M. Helton, Kevin Hainline, Lester Sandles, Mirko Curti, Roberto Maiolino, Sandro Tacchella, Stacey Alberts, Stefano Carniani, Stephane Charlot, Tim Rawle, Tobias J. Looser, William M. Baker, Zhiyuan Ji","submitted_at":"2023-07-17T16:48:29Z","abstract_excerpt":"We report the discovery of a quiescent galaxy at $z=2.34$ with a stellar mass of only $M_\\star = 9.5^{+1.8}_{-1.2} \\times 10^{8} \\mathrm{M}_\\odot$, based on deep JWST/NIRSpec spectroscopy. This is the least massive quiescent galaxy found so far at high redshift. We use a Bayesian approach to model the spectrum and photometry, and find the target to have been quiescent for 0.6 Gyr with a mass-weighted average stellar age of 0.8-1.7 Gyr (dominated by systematics). The galaxy displays an inverse colour gradient with radius, consistent with environment-driven quenching. Based on a combination of s"},"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":"2307.08633","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-07-17T16:48:29Z","cross_cats_sorted":[],"title_canon_sha256":"b51a98e121d3646dc4c1d5c04f5da2bbeb23ab1be974e329c81e673da99688b6","abstract_canon_sha256":"3ee912c291fea5990105371d52a033924ee94abdfd1066e2ed82d89810918cfb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:31:26.922516Z","signature_b64":"mcT5YTSx5Rm5QA5f5+MO7uKiIVJr+vJbnhf9tiyhGSDxxnCqcPqw6PgztRUUZFYgBsYf/hnv1DUrsjcArQvFAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"42d55d419738aa6353a107456ba0ded7862ff4c7326be37ec90ef3114a33ecd0","last_reissued_at":"2026-07-05T06:31:26.922093Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:31:26.922093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"JADES: deep spectroscopy of a low-mass galaxy at redshift 2.3 quenched by environment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andrew J. Bunker, Benjamin D. Johnson, Brant Robertson, Bruno Rodr\\'iguez Del Pino, Christina C. Williams, Christopher N. A. Willmer, Chris Willott, Daniel J. Eisenstein, Emma Curtis-Lake, Francesco D'Eugenio, Hannah \\\"Ubler, Jacopo Chevallard, Jakob M. Helton, Kevin Hainline, Lester Sandles, Mirko Curti, Roberto Maiolino, Sandro Tacchella, Stacey Alberts, Stefano Carniani, Stephane Charlot, Tim Rawle, Tobias J. Looser, William M. Baker, Zhiyuan Ji","submitted_at":"2023-07-17T16:48:29Z","abstract_excerpt":"We report the discovery of a quiescent galaxy at $z=2.34$ with a stellar mass of only $M_\\star = 9.5^{+1.8}_{-1.2} \\times 10^{8} \\mathrm{M}_\\odot$, based on deep JWST/NIRSpec spectroscopy. This is the least massive quiescent galaxy found so far at high redshift. We use a Bayesian approach to model the spectrum and photometry, and find the target to have been quiescent for 0.6 Gyr with a mass-weighted average stellar age of 0.8-1.7 Gyr (dominated by systematics). The galaxy displays an inverse colour gradient with radius, consistent with environment-driven quenching. Based on a combination of s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.08633","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/2307.08633/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":"2307.08633","created_at":"2026-07-05T06:31:26.922161+00:00"},{"alias_kind":"arxiv_version","alias_value":"2307.08633v1","created_at":"2026-07-05T06:31:26.922161+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.08633","created_at":"2026-07-05T06:31:26.922161+00:00"},{"alias_kind":"pith_short_12","alias_value":"ILKV2QMXHCVG","created_at":"2026-07-05T06:31:26.922161+00:00"},{"alias_kind":"pith_short_16","alias_value":"ILKV2QMXHCVGGU5B","created_at":"2026-07-05T06:31:26.922161+00:00"},{"alias_kind":"pith_short_8","alias_value":"ILKV2QMX","created_at":"2026-07-05T06:31:26.922161+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2601.15959","citing_title":"JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: Photometrically Selected Galaxy Candidates at z > 8","ref_index":122,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ILKV2QMXHCVGGU5BA5CWXIG626","json":"https://pith.science/pith/ILKV2QMXHCVGGU5BA5CWXIG626.json","graph_json":"https://pith.science/api/pith-number/ILKV2QMXHCVGGU5BA5CWXIG626/graph.json","events_json":"https://pith.science/api/pith-number/ILKV2QMXHCVGGU5BA5CWXIG626/events.json","paper":"https://pith.science/paper/ILKV2QMX"},"agent_actions":{"view_html":"https://pith.science/pith/ILKV2QMXHCVGGU5BA5CWXIG626","download_json":"https://pith.science/pith/ILKV2QMXHCVGGU5BA5CWXIG626.json","view_paper":"https://pith.science/paper/ILKV2QMX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2307.08633&json=true","fetch_graph":"https://pith.science/api/pith-number/ILKV2QMXHCVGGU5BA5CWXIG626/graph.json","fetch_events":"https://pith.science/api/pith-number/ILKV2QMXHCVGGU5BA5CWXIG626/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ILKV2QMXHCVGGU5BA5CWXIG626/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ILKV2QMXHCVGGU5BA5CWXIG626/action/storage_attestation","attest_author":"https://pith.science/pith/ILKV2QMXHCVGGU5BA5CWXIG626/action/author_attestation","sign_citation":"https://pith.science/pith/ILKV2QMXHCVGGU5BA5CWXIG626/action/citation_signature","submit_replication":"https://pith.science/pith/ILKV2QMXHCVGGU5BA5CWXIG626/action/replication_record"}},"created_at":"2026-07-05T06:31:26.922161+00:00","updated_at":"2026-07-05T06:31:26.922161+00:00"}