{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:NGFKWNMHERTRYGCD2BXSGSWP3L","short_pith_number":"pith:NGFKWNMH","schema_version":"1.0","canonical_sha256":"698aab358724671c1843d06f234acfdad6ee14bdff424550f1b4d686657497bc","source":{"kind":"arxiv","id":"1709.03505","version":2},"attestation_state":"computed","paper":{"title":"Jekyll & Hyde: quiescence and extreme obscuration in a pair of massive galaxies 1.5 Gyr after the Big Bang","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Caroline Straatman, Casey Papovich, Corentin Schreiber, David Elbaz, Georgios Bekiaris, Glenn G. Kacprzak, Ivo Labb\\'e, Karl Glazebrook, Kim-Vy Tran, Lee Spitler, Maurilio Pannella, Pascal Oesch, Tao Wang, Themiya Nanayakkara, Tiago Costa","submitted_at":"2017-09-11T18:00:01Z","abstract_excerpt":"We obtained ALMA spectroscopy and imaging to investigate the origin of the unexpected sub-mm emission toward the most distant quiescent galaxy known to date, ZF-COSMOS-20115 at z=3.717. We show here that this sub-mm emission is produced by another massive, compact and extremely obscured galaxy, located only 3.1 kpc away from the quiescent galaxy. We dub the quiescent and dusty galaxies Jekyll and Hyde, respectively. No dust emission is detected at the location of Jekyll, implying SFR < 13 Msun/yr, which is the most stringent upper limit ever obtained for a quiescent galaxy at these redshifts. "},"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":"1709.03505","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-11T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"efd878fe2bc1839d8e8f318d95e1a8d23e00674ce57ba079a25e4a78c5674fbe","abstract_canon_sha256":"d44d645643f467a149680a83e54d96ebc533f07d0282b630930b85a9c8e9139d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:39.074975Z","signature_b64":"kNooHcNOraFuMInfUxKT017L+wXn/s3kWaOCs5lUJ9AIlhzHkhsPSsG9ETMMSqUpaADNMfatMFEAKREyE8NpCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"698aab358724671c1843d06f234acfdad6ee14bdff424550f1b4d686657497bc","last_reissued_at":"2026-05-18T00:20:39.074334Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:39.074334Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Jekyll & Hyde: quiescence and extreme obscuration in a pair of massive galaxies 1.5 Gyr after the Big Bang","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Caroline Straatman, Casey Papovich, Corentin Schreiber, David Elbaz, Georgios Bekiaris, Glenn G. Kacprzak, Ivo Labb\\'e, Karl Glazebrook, Kim-Vy Tran, Lee Spitler, Maurilio Pannella, Pascal Oesch, Tao Wang, Themiya Nanayakkara, Tiago Costa","submitted_at":"2017-09-11T18:00:01Z","abstract_excerpt":"We obtained ALMA spectroscopy and imaging to investigate the origin of the unexpected sub-mm emission toward the most distant quiescent galaxy known to date, ZF-COSMOS-20115 at z=3.717. We show here that this sub-mm emission is produced by another massive, compact and extremely obscured galaxy, located only 3.1 kpc away from the quiescent galaxy. We dub the quiescent and dusty galaxies Jekyll and Hyde, respectively. No dust emission is detected at the location of Jekyll, implying SFR < 13 Msun/yr, which is the most stringent upper limit ever obtained for a quiescent galaxy at these redshifts. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.03505","kind":"arxiv","version":2},"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":"1709.03505","created_at":"2026-05-18T00:20:39.074434+00:00"},{"alias_kind":"arxiv_version","alias_value":"1709.03505v2","created_at":"2026-05-18T00:20:39.074434+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.03505","created_at":"2026-05-18T00:20:39.074434+00:00"},{"alias_kind":"pith_short_12","alias_value":"NGFKWNMHERTR","created_at":"2026-05-18T12:31:31.346846+00:00"},{"alias_kind":"pith_short_16","alias_value":"NGFKWNMHERTRYGCD","created_at":"2026-05-18T12:31:31.346846+00:00"},{"alias_kind":"pith_short_8","alias_value":"NGFKWNMH","created_at":"2026-05-18T12:31:31.346846+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2508.10987","citing_title":"A massive and evolved slow-rotating galaxy in the early Universe","ref_index":60,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/NGFKWNMHERTRYGCD2BXSGSWP3L","json":"https://pith.science/pith/NGFKWNMHERTRYGCD2BXSGSWP3L.json","graph_json":"https://pith.science/api/pith-number/NGFKWNMHERTRYGCD2BXSGSWP3L/graph.json","events_json":"https://pith.science/api/pith-number/NGFKWNMHERTRYGCD2BXSGSWP3L/events.json","paper":"https://pith.science/paper/NGFKWNMH"},"agent_actions":{"view_html":"https://pith.science/pith/NGFKWNMHERTRYGCD2BXSGSWP3L","download_json":"https://pith.science/pith/NGFKWNMHERTRYGCD2BXSGSWP3L.json","view_paper":"https://pith.science/paper/NGFKWNMH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1709.03505&json=true","fetch_graph":"https://pith.science/api/pith-number/NGFKWNMHERTRYGCD2BXSGSWP3L/graph.json","fetch_events":"https://pith.science/api/pith-number/NGFKWNMHERTRYGCD2BXSGSWP3L/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NGFKWNMHERTRYGCD2BXSGSWP3L/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NGFKWNMHERTRYGCD2BXSGSWP3L/action/storage_attestation","attest_author":"https://pith.science/pith/NGFKWNMHERTRYGCD2BXSGSWP3L/action/author_attestation","sign_citation":"https://pith.science/pith/NGFKWNMHERTRYGCD2BXSGSWP3L/action/citation_signature","submit_replication":"https://pith.science/pith/NGFKWNMHERTRYGCD2BXSGSWP3L/action/replication_record"}},"created_at":"2026-05-18T00:20:39.074434+00:00","updated_at":"2026-05-18T00:20:39.074434+00:00"}