{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:VQJ4DK5YUMCQOYHCPCYZM6D22W","short_pith_number":"pith:VQJ4DK5Y","schema_version":"1.0","canonical_sha256":"ac13c1abb8a3050760e278b196787ad5b082f57d4e27334ea0ab74b488b58f98","source":{"kind":"arxiv","id":"1706.08454","version":1},"attestation_state":"computed","paper":{"title":"The Infrared Medium-deep Survey. III. Survey of Luminous Quasars at 4.7 $\\leq$ z $\\leq$ 5.4","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Changsu Choi, Dohyeong Kim, Duho Kim, Giseon Baek, Hye-In Lee, Hyunsung David Jun, Jae-Woo Kim, Ji Hoon Kim, Jueun Hong, Marios Karouzos, Minhee Hyun, Minjin Kim, Myungshin Im, Nahyun Choi, Sanghyuk Kim, Seong-Kook Lee, Soojong Pak, Tae-Geun Ji, Won-Kee Park, Woojin Park, Yiseul Jeon, Yongjung Kim, Yongmin Yoon, Yoon Chan Taak","submitted_at":"2017-06-26T16:06:14Z","abstract_excerpt":"We present our first results of the survey for high redshift quasars at $5 \\lesssim {\\rm z} \\lesssim 5.7$. The search for quasars in this redshift range has been known to be challenging due to limitations of filter sets used in previous studies. We conducted a quasar survey for two specific redshift ranges, 4.60 $\\leq$ z $\\leq$ 5.40 and 5.50 $\\leq$ z $\\leq$ 6.05, using multi-wavelength data that include observations using custom-designed filters, $is$ and $iz$. Using these filters and a new selection technique, we were able to reduce the fraction of interlopers. Through optical spectroscopy, 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":"1706.08454","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-26T16:06:14Z","cross_cats_sorted":[],"title_canon_sha256":"ab2e2cda53b0150e135ee277e7783ffdb9e352947cb42a6fae1506c5b7237484","abstract_canon_sha256":"d78b52db5e3e9b5a824d38159547c27be938d12c9c67becafe24e63a8af224e2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:02.035771Z","signature_b64":"XFEkGqwB7s1+tdUMJFGMtkfZ1Jrk7fRjUuUHA0OgeiKJ5GYJPliihByx0u92qGj1JZeHIoN7WWz8KkedcBcnCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac13c1abb8a3050760e278b196787ad5b082f57d4e27334ea0ab74b488b58f98","last_reissued_at":"2026-05-18T00:38:02.035358Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:02.035358Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Infrared Medium-deep Survey. III. Survey of Luminous Quasars at 4.7 $\\leq$ z $\\leq$ 5.4","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Changsu Choi, Dohyeong Kim, Duho Kim, Giseon Baek, Hye-In Lee, Hyunsung David Jun, Jae-Woo Kim, Ji Hoon Kim, Jueun Hong, Marios Karouzos, Minhee Hyun, Minjin Kim, Myungshin Im, Nahyun Choi, Sanghyuk Kim, Seong-Kook Lee, Soojong Pak, Tae-Geun Ji, Won-Kee Park, Woojin Park, Yiseul Jeon, Yongjung Kim, Yongmin Yoon, Yoon Chan Taak","submitted_at":"2017-06-26T16:06:14Z","abstract_excerpt":"We present our first results of the survey for high redshift quasars at $5 \\lesssim {\\rm z} \\lesssim 5.7$. The search for quasars in this redshift range has been known to be challenging due to limitations of filter sets used in previous studies. We conducted a quasar survey for two specific redshift ranges, 4.60 $\\leq$ z $\\leq$ 5.40 and 5.50 $\\leq$ z $\\leq$ 6.05, using multi-wavelength data that include observations using custom-designed filters, $is$ and $iz$. Using these filters and a new selection technique, we were able to reduce the fraction of interlopers. Through optical spectroscopy, w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.08454","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":"1706.08454","created_at":"2026-05-18T00:38:02.035423+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.08454v1","created_at":"2026-05-18T00:38:02.035423+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.08454","created_at":"2026-05-18T00:38:02.035423+00:00"},{"alias_kind":"pith_short_12","alias_value":"VQJ4DK5YUMCQ","created_at":"2026-05-18T12:31:49.984773+00:00"},{"alias_kind":"pith_short_16","alias_value":"VQJ4DK5YUMCQOYHC","created_at":"2026-05-18T12:31:49.984773+00:00"},{"alias_kind":"pith_short_8","alias_value":"VQJ4DK5Y","created_at":"2026-05-18T12:31:49.984773+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/VQJ4DK5YUMCQOYHCPCYZM6D22W","json":"https://pith.science/pith/VQJ4DK5YUMCQOYHCPCYZM6D22W.json","graph_json":"https://pith.science/api/pith-number/VQJ4DK5YUMCQOYHCPCYZM6D22W/graph.json","events_json":"https://pith.science/api/pith-number/VQJ4DK5YUMCQOYHCPCYZM6D22W/events.json","paper":"https://pith.science/paper/VQJ4DK5Y"},"agent_actions":{"view_html":"https://pith.science/pith/VQJ4DK5YUMCQOYHCPCYZM6D22W","download_json":"https://pith.science/pith/VQJ4DK5YUMCQOYHCPCYZM6D22W.json","view_paper":"https://pith.science/paper/VQJ4DK5Y","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.08454&json=true","fetch_graph":"https://pith.science/api/pith-number/VQJ4DK5YUMCQOYHCPCYZM6D22W/graph.json","fetch_events":"https://pith.science/api/pith-number/VQJ4DK5YUMCQOYHCPCYZM6D22W/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VQJ4DK5YUMCQOYHCPCYZM6D22W/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VQJ4DK5YUMCQOYHCPCYZM6D22W/action/storage_attestation","attest_author":"https://pith.science/pith/VQJ4DK5YUMCQOYHCPCYZM6D22W/action/author_attestation","sign_citation":"https://pith.science/pith/VQJ4DK5YUMCQOYHCPCYZM6D22W/action/citation_signature","submit_replication":"https://pith.science/pith/VQJ4DK5YUMCQOYHCPCYZM6D22W/action/replication_record"}},"created_at":"2026-05-18T00:38:02.035423+00:00","updated_at":"2026-05-18T00:38:02.035423+00:00"}