{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:O6BFDJ2ZHDA76ERYQS5VC7NXVO","short_pith_number":"pith:O6BFDJ2Z","schema_version":"1.0","canonical_sha256":"778251a75938c1ff123884bb517db7abb941e7376360f034f5686fcd4c702ac4","source":{"kind":"arxiv","id":"1503.07164","version":1},"attestation_state":"computed","paper":{"title":"Caught in the act: gas and stellar velocity dispersions in a fast quenching compact star-forming galaxy at z~1.7","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Cava, A. Dekel, A. M. Koekemoer, C. M. Eliche, C. Pacifici, D. Ceverino, D. C. Koo, D. D. Kocevski, E. McGrath, E. Toloba, F. Liu, G. Barro, G. Brammer, J. J. Fang, J. R. Primack, J. R. Trump, N. Cardiel, P. G. Perez-Gonzalez, R. C. Livermore, S. Inoue, S. L. Finkelstein, S. M. Faber, Y. Guo","submitted_at":"2015-03-24T20:00:13Z","abstract_excerpt":"We present Keck-I MOSFIRE spectroscopy in the Y and H bands of GDN-8231, a massive, compact, star-forming galaxy (SFG) at a redshift $z\\sim1.7$. Its spectrum reveals both H$_{\\alpha}$ and [NII] emission lines and strong Balmer absorption lines. The H$_{\\alpha}$ and Spitzer MIPS 24 $\\mu$m fluxes are both weak, thus indicating a low star formation rate of SFR $\\lesssim5-10$ M$_{\\odot}$ yr$^{-1}$. This, added to a relatively young age of $\\sim700$ Myr measured from the absorption lines, provides the first direct evidence for a distant galaxy being caught in the act of rapidly shutting down its st"},"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":"1503.07164","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-03-24T20:00:13Z","cross_cats_sorted":[],"title_canon_sha256":"894c6e39cb934b350618bab8552a783f98c52537261fee0f880f826fc4c6252c","abstract_canon_sha256":"86368a7c1439cfabdebfc51de8fe61efc1b93193b75689ff0e8cfe74bb274114"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:20.556650Z","signature_b64":"5sQUMJcAjhIZZiAJ0M4xgspp9IJj8zaQXvYNGn+EEQ/rtR/XwzLvuVysKZzCWZ7rp14wnTBAg9S0goq5++ewAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"778251a75938c1ff123884bb517db7abb941e7376360f034f5686fcd4c702ac4","last_reissued_at":"2026-05-18T01:17:20.556152Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:20.556152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Caught in the act: gas and stellar velocity dispersions in a fast quenching compact star-forming galaxy at z~1.7","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Cava, A. Dekel, A. M. Koekemoer, C. M. Eliche, C. Pacifici, D. Ceverino, D. C. Koo, D. D. Kocevski, E. McGrath, E. Toloba, F. Liu, G. Barro, G. Brammer, J. J. Fang, J. R. Primack, J. R. Trump, N. Cardiel, P. G. Perez-Gonzalez, R. C. Livermore, S. Inoue, S. L. Finkelstein, S. M. Faber, Y. Guo","submitted_at":"2015-03-24T20:00:13Z","abstract_excerpt":"We present Keck-I MOSFIRE spectroscopy in the Y and H bands of GDN-8231, a massive, compact, star-forming galaxy (SFG) at a redshift $z\\sim1.7$. Its spectrum reveals both H$_{\\alpha}$ and [NII] emission lines and strong Balmer absorption lines. The H$_{\\alpha}$ and Spitzer MIPS 24 $\\mu$m fluxes are both weak, thus indicating a low star formation rate of SFR $\\lesssim5-10$ M$_{\\odot}$ yr$^{-1}$. This, added to a relatively young age of $\\sim700$ Myr measured from the absorption lines, provides the first direct evidence for a distant galaxy being caught in the act of rapidly shutting down its st"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.07164","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":"1503.07164","created_at":"2026-05-18T01:17:20.556224+00:00"},{"alias_kind":"arxiv_version","alias_value":"1503.07164v1","created_at":"2026-05-18T01:17:20.556224+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.07164","created_at":"2026-05-18T01:17:20.556224+00:00"},{"alias_kind":"pith_short_12","alias_value":"O6BFDJ2ZHDA7","created_at":"2026-05-18T12:29:34.919912+00:00"},{"alias_kind":"pith_short_16","alias_value":"O6BFDJ2ZHDA76ERY","created_at":"2026-05-18T12:29:34.919912+00:00"},{"alias_kind":"pith_short_8","alias_value":"O6BFDJ2Z","created_at":"2026-05-18T12:29:34.919912+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/O6BFDJ2ZHDA76ERYQS5VC7NXVO","json":"https://pith.science/pith/O6BFDJ2ZHDA76ERYQS5VC7NXVO.json","graph_json":"https://pith.science/api/pith-number/O6BFDJ2ZHDA76ERYQS5VC7NXVO/graph.json","events_json":"https://pith.science/api/pith-number/O6BFDJ2ZHDA76ERYQS5VC7NXVO/events.json","paper":"https://pith.science/paper/O6BFDJ2Z"},"agent_actions":{"view_html":"https://pith.science/pith/O6BFDJ2ZHDA76ERYQS5VC7NXVO","download_json":"https://pith.science/pith/O6BFDJ2ZHDA76ERYQS5VC7NXVO.json","view_paper":"https://pith.science/paper/O6BFDJ2Z","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1503.07164&json=true","fetch_graph":"https://pith.science/api/pith-number/O6BFDJ2ZHDA76ERYQS5VC7NXVO/graph.json","fetch_events":"https://pith.science/api/pith-number/O6BFDJ2ZHDA76ERYQS5VC7NXVO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/O6BFDJ2ZHDA76ERYQS5VC7NXVO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/O6BFDJ2ZHDA76ERYQS5VC7NXVO/action/storage_attestation","attest_author":"https://pith.science/pith/O6BFDJ2ZHDA76ERYQS5VC7NXVO/action/author_attestation","sign_citation":"https://pith.science/pith/O6BFDJ2ZHDA76ERYQS5VC7NXVO/action/citation_signature","submit_replication":"https://pith.science/pith/O6BFDJ2ZHDA76ERYQS5VC7NXVO/action/replication_record"}},"created_at":"2026-05-18T01:17:20.556224+00:00","updated_at":"2026-05-18T01:17:20.556224+00:00"}