{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:GYZFGINVBA2K4GZA3ZMPFQM4QM","short_pith_number":"pith:GYZFGINV","schema_version":"1.0","canonical_sha256":"36325321b50834ae1b20de58f2c19c8328f4f1dfa31ca2490b6fb21a49d1e52a","source":{"kind":"arxiv","id":"2505.04609","version":4},"attestation_state":"computed","paper":{"title":"CAPERS-LRD-z9: A Gas Enshrouded Little Red Dot Hosting a Broad-line AGN at z=9.288","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adam Carnall, Ansh R. Gupta, Anthony J. Taylor, Anton M. Koekemoer, Caitlin M. Casey, Callum T. Donnan, Casey Papovich, Dale D. Kocevski, Denis Burgarella, Derek J. McLeod, Fergus Cullen, Gene C. K. Leung, Guillermo Barro, Ho-Hin Leung, Hollis B. Akins, Intae Jung, James S. Dunlop, Jeyhan S. Kartaltepe, John Chisholm, Jonathan R. Trump, Jorge A. Zavala, Katherine Chworowsky, Kelcey Davis, Kohei Inayoshi, Lorenzo Napolitano, L. Y. Aaron Yung, Madisyn Brooks, Mario Llerena, Mark Dickinson, Mauro Giavalisco, Michaela Hirschmann, Nimish P. Hathi, Norman A. Grogin, Pablo Arrabal Haro, Pablo G. Perez-Gonzalez, Rachel S. Somerville, Ray A. Lucas, Rebecca L. Larson, Ricardo O. Amorin, Richard S. Ellis, Roberta Tripodi, Ross McLure, Seiji Fujimoto, Stephanie Juneau, Stephen M. Wilkins, Steven L. Finkelstein, Thomas M. Stanton, Vasily Kokorev, Vital Fernandez, Volker Bromm, Xin Wang, Yingjie Cheng","submitted_at":"2025-05-07T17:53:48Z","abstract_excerpt":"We present CAPERS-LRD-z9, a little red dot (LRD) which we confirm to be a $z=9.288$ broad-line AGN (BLAGN). First identified as a high-redshift LRD candidate from PRIMER NIRCam photometry, follow-up NIRSpec/PRISM spectroscopy of CAPERS-LRD-z9 from the CANDELS-Area Prism Epoch of Reionization Survey (CAPERS) has revealed a broad $3500$ km s$^{-1}$ H$\\beta$ emission line and narrow [O III]$\\lambda\\lambda4959,5007$ lines, indicative of a BLAGN. Based on the broad H$\\beta$ line, we compute a canonical black-hole mass of $\\log(M_{\\textrm{BH}}/M_{\\odot})=7.58\\pm0.15$, although full consideration of "},"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":"2505.04609","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-05-07T17:53:48Z","cross_cats_sorted":[],"title_canon_sha256":"689b1ba176664758bd68c4bddf4f7c1d666ed0f802db54e50fee6e5412303949","abstract_canon_sha256":"73cf359c18c1b84920a74c332b9892482941f78010795718c2dec3c11e92abc4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:26:30.843030Z","signature_b64":"0UyDHyRHGco30eN8xXQmGO0XrL4r7WW06cPiH8Q7NGYjXXsQ81lzUsdCdQIjAfEOJ1zzDiQ+wT2n3RbEAIo5Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"36325321b50834ae1b20de58f2c19c8328f4f1dfa31ca2490b6fb21a49d1e52a","last_reissued_at":"2026-07-05T11:26:30.842540Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:26:30.842540Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"CAPERS-LRD-z9: A Gas Enshrouded Little Red Dot Hosting a Broad-line AGN at z=9.288","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adam Carnall, Ansh R. Gupta, Anthony J. Taylor, Anton M. Koekemoer, Caitlin M. Casey, Callum T. Donnan, Casey Papovich, Dale D. Kocevski, Denis Burgarella, Derek J. McLeod, Fergus Cullen, Gene C. K. Leung, Guillermo Barro, Ho-Hin Leung, Hollis B. Akins, Intae Jung, James S. Dunlop, Jeyhan S. Kartaltepe, John Chisholm, Jonathan R. Trump, Jorge A. Zavala, Katherine Chworowsky, Kelcey Davis, Kohei Inayoshi, Lorenzo Napolitano, L. Y. Aaron Yung, Madisyn Brooks, Mario Llerena, Mark Dickinson, Mauro Giavalisco, Michaela Hirschmann, Nimish P. Hathi, Norman A. Grogin, Pablo Arrabal Haro, Pablo G. Perez-Gonzalez, Rachel S. Somerville, Ray A. Lucas, Rebecca L. Larson, Ricardo O. Amorin, Richard S. Ellis, Roberta Tripodi, Ross McLure, Seiji Fujimoto, Stephanie Juneau, Stephen M. Wilkins, Steven L. Finkelstein, Thomas M. Stanton, Vasily Kokorev, Vital Fernandez, Volker Bromm, Xin Wang, Yingjie Cheng","submitted_at":"2025-05-07T17:53:48Z","abstract_excerpt":"We present CAPERS-LRD-z9, a little red dot (LRD) which we confirm to be a $z=9.288$ broad-line AGN (BLAGN). First identified as a high-redshift LRD candidate from PRIMER NIRCam photometry, follow-up NIRSpec/PRISM spectroscopy of CAPERS-LRD-z9 from the CANDELS-Area Prism Epoch of Reionization Survey (CAPERS) has revealed a broad $3500$ km s$^{-1}$ H$\\beta$ emission line and narrow [O III]$\\lambda\\lambda4959,5007$ lines, indicative of a BLAGN. Based on the broad H$\\beta$ line, we compute a canonical black-hole mass of $\\log(M_{\\textrm{BH}}/M_{\\odot})=7.58\\pm0.15$, although full consideration of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.04609","kind":"arxiv","version":4},"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/2505.04609/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":"2505.04609","created_at":"2026-07-05T11:26:30.842597+00:00"},{"alias_kind":"arxiv_version","alias_value":"2505.04609v4","created_at":"2026-07-05T11:26:30.842597+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.04609","created_at":"2026-07-05T11:26:30.842597+00:00"},{"alias_kind":"pith_short_12","alias_value":"GYZFGINVBA2K","created_at":"2026-07-05T11:26:30.842597+00:00"},{"alias_kind":"pith_short_16","alias_value":"GYZFGINVBA2K4GZA","created_at":"2026-07-05T11:26:30.842597+00:00"},{"alias_kind":"pith_short_8","alias_value":"GYZFGINV","created_at":"2026-07-05T11:26:30.842597+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":7,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2607.00084","citing_title":"Little Red Dots at z~2 in EIGER reveal a gentle decline with respect to their peak number density at z~5","ref_index":59,"is_internal_anchor":false},{"citing_arxiv_id":"2606.27427","citing_title":"SEEDZ: Rapid Galaxy Assembly as a Pathway to Supermassive Stars, Dense Stellar Environments and Massive Black Hole Seeds","ref_index":61,"is_internal_anchor":false},{"citing_arxiv_id":"2606.10036","citing_title":"Learning the Universe at High Redshifts: Impact of Accretion Modeling on Early Black Hole Growth","ref_index":86,"is_internal_anchor":false},{"citing_arxiv_id":"2509.19422","citing_title":"Spectral Uniformity of Little Red Dots: A Natural Outcome of Coevolving Seed Black Holes and Nascent Starbursts","ref_index":136,"is_internal_anchor":false},{"citing_arxiv_id":"2604.21666","citing_title":"Impact of Primordial Black Hole population on 21 cm observables at high redshift","ref_index":106,"is_internal_anchor":false},{"citing_arxiv_id":"2604.20966","citing_title":"Light, heavy, primordial: exploring the diversity of black hole seeding and growth mechanisms in the JWST era","ref_index":17,"is_internal_anchor":false},{"citing_arxiv_id":"2605.04776","citing_title":"Redshift Evolution of the Ratio of Supermassive Black Hole Mass to Stellar Mass","ref_index":70,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/GYZFGINVBA2K4GZA3ZMPFQM4QM","json":"https://pith.science/pith/GYZFGINVBA2K4GZA3ZMPFQM4QM.json","graph_json":"https://pith.science/api/pith-number/GYZFGINVBA2K4GZA3ZMPFQM4QM/graph.json","events_json":"https://pith.science/api/pith-number/GYZFGINVBA2K4GZA3ZMPFQM4QM/events.json","paper":"https://pith.science/paper/GYZFGINV"},"agent_actions":{"view_html":"https://pith.science/pith/GYZFGINVBA2K4GZA3ZMPFQM4QM","download_json":"https://pith.science/pith/GYZFGINVBA2K4GZA3ZMPFQM4QM.json","view_paper":"https://pith.science/paper/GYZFGINV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2505.04609&json=true","fetch_graph":"https://pith.science/api/pith-number/GYZFGINVBA2K4GZA3ZMPFQM4QM/graph.json","fetch_events":"https://pith.science/api/pith-number/GYZFGINVBA2K4GZA3ZMPFQM4QM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GYZFGINVBA2K4GZA3ZMPFQM4QM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GYZFGINVBA2K4GZA3ZMPFQM4QM/action/storage_attestation","attest_author":"https://pith.science/pith/GYZFGINVBA2K4GZA3ZMPFQM4QM/action/author_attestation","sign_citation":"https://pith.science/pith/GYZFGINVBA2K4GZA3ZMPFQM4QM/action/citation_signature","submit_replication":"https://pith.science/pith/GYZFGINVBA2K4GZA3ZMPFQM4QM/action/replication_record"}},"created_at":"2026-07-05T11:26:30.842597+00:00","updated_at":"2026-07-05T11:26:30.842597+00:00"}