{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:KU3AYW2MDANQLQVETNIP5W3U4H","short_pith_number":"pith:KU3AYW2M","schema_version":"1.0","canonical_sha256":"55360c5b4c181b05c2a49b50fedb74e1fee766143c80e2d25918bf55467fd963","source":{"kind":"arxiv","id":"2606.12355","version":1},"attestation_state":"computed","paper":{"title":"Between Degeneracy and Evolution: UV-to-optical Insights into the BH$^*$ Model in Little Red Dots","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Chris J. Willott, Gaia Gaspar, Kartheik G. Iyer, Marcin Sawicki, Rosa M. M\\'erida","submitted_at":"2026-06-10T17:27:12Z","abstract_excerpt":"Little Red Dots (LRDs) are a heterogeneous class of objects, with several proposed scenarios for their physical nature and evolution. While these theories have been tested on individual LRDs using limited spectral features, a systematic Bayesian analysis of the LRD population incorporating the different models across a broad wavelength range is still lacking. In this study, we conduct a consistent ultraviolet (UV)-to-optical continuum fitting analysis of 66 LRDs at 2<z<6 using JWST/NIRSpec PRISM spectroscopy. Employing a modified version of Bagpipes--including blackbody (BB) emission affected "},"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":"2606.12355","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-10T17:27:12Z","cross_cats_sorted":[],"title_canon_sha256":"f46ace2ae65e27aab840303ca20b6e127859f7c5927a31a90b0080dfd9eb4cdb","abstract_canon_sha256":"25843749bf902d104772c995e7edd9ee9103a44eb400868c45ec922e76a0cc74"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-11T01:11:03.740844Z","signature_b64":"GeZkCw+HikagOTK6v6CwKxAe2k/D+N8S9IxecPYr+evi33QGkCJE1EaiDQp5p7acF5yZHHfBTJ6Rpvd0mXlkCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"55360c5b4c181b05c2a49b50fedb74e1fee766143c80e2d25918bf55467fd963","last_reissued_at":"2026-06-11T01:11:03.740006Z","signature_status":"signed_v1","first_computed_at":"2026-06-11T01:11:03.740006Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Between Degeneracy and Evolution: UV-to-optical Insights into the BH$^*$ Model in Little Red Dots","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Chris J. Willott, Gaia Gaspar, Kartheik G. Iyer, Marcin Sawicki, Rosa M. M\\'erida","submitted_at":"2026-06-10T17:27:12Z","abstract_excerpt":"Little Red Dots (LRDs) are a heterogeneous class of objects, with several proposed scenarios for their physical nature and evolution. While these theories have been tested on individual LRDs using limited spectral features, a systematic Bayesian analysis of the LRD population incorporating the different models across a broad wavelength range is still lacking. In this study, we conduct a consistent ultraviolet (UV)-to-optical continuum fitting analysis of 66 LRDs at 2<z<6 using JWST/NIRSpec PRISM spectroscopy. Employing a modified version of Bagpipes--including blackbody (BB) emission affected "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.12355","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/2606.12355/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":"2606.12355","created_at":"2026-06-11T01:11:03.740149+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.12355v1","created_at":"2026-06-11T01:11:03.740149+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.12355","created_at":"2026-06-11T01:11:03.740149+00:00"},{"alias_kind":"pith_short_12","alias_value":"KU3AYW2MDANQ","created_at":"2026-06-11T01:11:03.740149+00:00"},{"alias_kind":"pith_short_16","alias_value":"KU3AYW2MDANQLQVE","created_at":"2026-06-11T01:11:03.740149+00:00"},{"alias_kind":"pith_short_8","alias_value":"KU3AYW2M","created_at":"2026-06-11T01:11:03.740149+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/KU3AYW2MDANQLQVETNIP5W3U4H","json":"https://pith.science/pith/KU3AYW2MDANQLQVETNIP5W3U4H.json","graph_json":"https://pith.science/api/pith-number/KU3AYW2MDANQLQVETNIP5W3U4H/graph.json","events_json":"https://pith.science/api/pith-number/KU3AYW2MDANQLQVETNIP5W3U4H/events.json","paper":"https://pith.science/paper/KU3AYW2M"},"agent_actions":{"view_html":"https://pith.science/pith/KU3AYW2MDANQLQVETNIP5W3U4H","download_json":"https://pith.science/pith/KU3AYW2MDANQLQVETNIP5W3U4H.json","view_paper":"https://pith.science/paper/KU3AYW2M","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.12355&json=true","fetch_graph":"https://pith.science/api/pith-number/KU3AYW2MDANQLQVETNIP5W3U4H/graph.json","fetch_events":"https://pith.science/api/pith-number/KU3AYW2MDANQLQVETNIP5W3U4H/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KU3AYW2MDANQLQVETNIP5W3U4H/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KU3AYW2MDANQLQVETNIP5W3U4H/action/storage_attestation","attest_author":"https://pith.science/pith/KU3AYW2MDANQLQVETNIP5W3U4H/action/author_attestation","sign_citation":"https://pith.science/pith/KU3AYW2MDANQLQVETNIP5W3U4H/action/citation_signature","submit_replication":"https://pith.science/pith/KU3AYW2MDANQLQVETNIP5W3U4H/action/replication_record"}},"created_at":"2026-06-11T01:11:03.740149+00:00","updated_at":"2026-06-11T01:11:03.740149+00:00"}