{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:IBI4UK4CSR7HJJL2B5HDVRVYTF","short_pith_number":"pith:IBI4UK4C","schema_version":"1.0","canonical_sha256":"4051ca2b82947e74a57a0f4e3ac6b899755af216cc428b745ee9e716858df4d5","source":{"kind":"arxiv","id":"2604.07176","version":1},"attestation_state":"computed","paper":{"title":"Panchromatic View of the Frigid Jovian Exoplanet COCONUTS-2 b","license":"http://creativecommons.org/licenses/by/4.0/","headline":"Panchromatic 1-15 micron observations with ATMO2020++ models constrain COCONUTS-2 b to 496 K, 1.03 Jupiter radii, and 7.3 Jupiter masses.","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Alice Radcliffe, Allan Denis, Arthur Vigan, Benjamin Charnay, Caroline V. Morley, Elena Manjavacas, Elisabeth C. Matthews, Gabriel-Dominique Marleau, Ga\\\"el Chauvin, Helena K\\\"uhnle, Jacqueline K. Faherty, James J. Mang, Jessica Copeland, Kevin Hoy, Ma\\\"el Voyer, Mark W. Phillips, Mathilde M\\^alin, Matthieu Ravet, Micka\\\"el Bonnefoy, Pascal Tremblin, Paulina Palma-Bifani, Paul Molli\\`ere, Rocio Kiman, Sam de Regt, Simon Petrus, Thomas K. Henning, Zhoujian Zhang","submitted_at":"2026-04-08T15:05:17Z","abstract_excerpt":"We use a high signal-to-noise MIRI-LRS spectrum (5.45 - 11 $\\mu$m, R$_\\lambda$ $\\sim100$) of COCONUTS-2~b revealing prominent molecular features of H$_2$O, CH$_4$ and NH$_3$. This dataset is combined with spectra from Gemini/FLAMINGOS-2 and JWST/NIRSpec (G395H), as well as photometry from WISE and Spitzer, resulting in almost continuous wavelength coverage from 1 to 15 $\\mu$m. We analyze the data using five grids of self-consistent atmospheric models, spanning a wide range of T$_\\text{eff}$, log(g), and [M/H]. We also investigate the use of Gaussian Processes to account for correlated noise ei"},"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":true,"formal_links_present":false},"canonical_record":{"source":{"id":"2604.07176","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-04-08T15:05:17Z","cross_cats_sorted":[],"title_canon_sha256":"b2c2f24a62ad0e527c02c9c7185ae642e542000ed1825bb68ace72b227c43d8b","abstract_canon_sha256":"349890f4886a37edc039c3501d3faeb943d328497356960a8508452a616d10fd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-03T14:05:47.253359Z","signature_b64":"Z7ha4g8fSRVYlWUoFr69IqcxjvvWTSiI/GBx4PXfFY4UO7TOc7vI2DHeJo/aURvDXIOQRA1JbX2zHShoxNxHAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4051ca2b82947e74a57a0f4e3ac6b899755af216cc428b745ee9e716858df4d5","last_reissued_at":"2026-06-03T14:05:47.252815Z","signature_status":"signed_v1","first_computed_at":"2026-06-03T14:05:47.252815Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Panchromatic View of the Frigid Jovian Exoplanet COCONUTS-2 b","license":"http://creativecommons.org/licenses/by/4.0/","headline":"Panchromatic 1-15 micron observations with ATMO2020++ models constrain COCONUTS-2 b to 496 K, 1.03 Jupiter radii, and 7.3 Jupiter masses.","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Alice Radcliffe, Allan Denis, Arthur Vigan, Benjamin Charnay, Caroline V. Morley, Elena Manjavacas, Elisabeth C. Matthews, Gabriel-Dominique Marleau, Ga\\\"el Chauvin, Helena K\\\"uhnle, Jacqueline K. Faherty, James J. Mang, Jessica Copeland, Kevin Hoy, Ma\\\"el Voyer, Mark W. Phillips, Mathilde M\\^alin, Matthieu Ravet, Micka\\\"el Bonnefoy, Pascal Tremblin, Paulina Palma-Bifani, Paul Molli\\`ere, Rocio Kiman, Sam de Regt, Simon Petrus, Thomas K. Henning, Zhoujian Zhang","submitted_at":"2026-04-08T15:05:17Z","abstract_excerpt":"We use a high signal-to-noise MIRI-LRS spectrum (5.45 - 11 $\\mu$m, R$_\\lambda$ $\\sim100$) of COCONUTS-2~b revealing prominent molecular features of H$_2$O, CH$_4$ and NH$_3$. This dataset is combined with spectra from Gemini/FLAMINGOS-2 and JWST/NIRSpec (G395H), as well as photometry from WISE and Spitzer, resulting in almost continuous wavelength coverage from 1 to 15 $\\mu$m. We analyze the data using five grids of self-consistent atmospheric models, spanning a wide range of T$_\\text{eff}$, log(g), and [M/H]. We also investigate the use of Gaussian Processes to account for correlated noise ei"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"ATMO2020++ models yield constraints consistent with previous studies: T_eff =496^{+5}_{-3} K, log(g) =4.30^{+0.04}_{-0.02} dex, [M/H] =-0.02^{+0.03}_{-0.02} dex, R =1.03^{+0.01}_{-0.02} R_jup, and mass M =7.3±0.3 M_jup from cooling models given the system age.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"That the ATMO2020++ (and other) self-consistent atmospheric model grids accurately capture the physics and chemistry of this cold atmosphere, despite systematically underpredicting flux in the Y- and N-bands.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Panchromatic 1-15 micron observations of COCONUTS-2 b yield Teff=496 K, log g=4.3, near-solar metallicity, radius 1.03 Rjup, luminosity log(L/Lsun)=-6.166, and mass 7.3 Mjup from evolutionary models.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Panchromatic 1-15 micron observations with ATMO2020++ models constrain COCONUTS-2 b to 496 K, 1.03 Jupiter radii, and 7.3 Jupiter masses.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"3ffbe5bc7880d28c2087437551c5a3b8abc2d3b187703cd1178a4990c9b23445"},"source":{"id":"2604.07176","kind":"arxiv","version":1},"verdict":{"id":"2f32560b-9424-42e6-9d87-23f8351e61a6","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-10T18:10:33.252878Z","strongest_claim":"ATMO2020++ models yield constraints consistent with previous studies: T_eff =496^{+5}_{-3} K, log(g) =4.30^{+0.04}_{-0.02} dex, [M/H] =-0.02^{+0.03}_{-0.02} dex, R =1.03^{+0.01}_{-0.02} R_jup, and mass M =7.3±0.3 M_jup from cooling models given the system age.","one_line_summary":"Panchromatic 1-15 micron observations of COCONUTS-2 b yield Teff=496 K, log g=4.3, near-solar metallicity, radius 1.03 Rjup, luminosity log(L/Lsun)=-6.166, and mass 7.3 Mjup from evolutionary models.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"That the ATMO2020++ (and other) self-consistent atmospheric model grids accurately capture the physics and chemistry of this cold atmosphere, despite systematically underpredicting flux in the Y- and N-bands.","pith_extraction_headline":"Panchromatic 1-15 micron observations with ATMO2020++ models constrain COCONUTS-2 b to 496 K, 1.03 Jupiter radii, and 7.3 Jupiter masses."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2604.07176/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":93,"sample":[{"doi":"","year":2001,"title":"Ackerman , A. S. & Marley , M. S. 2001, , 556, 872","work_id":"25f13b2a-d706-425b-91d7-ea00ec13736f","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":1974,"title":"1974, IEEE Transactions on Automatic Control, 19, 716","work_id":"9e367ade-f236-4010-b6af-aec7256b3793","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2025,"title":"K., Su \\'a rez , G., et al","work_id":"c0152dcf-0021-4415-bcef-20f4dd2ecd93","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2013,"title":"2013, , 558, A109","work_id":"a55b9dba-2a6d-45ea-b200-065d09ab1273","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2005,"title":"2005, , 434, 343","work_id":"de137a05-a47c-40df-a706-0787f8d08b83","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":93,"snapshot_sha256":"2428d02c4ac8b3cc7241d162cf20086c7358009cba6dcdbff075109857c1aceb","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":"2604.07176","created_at":"2026-06-03T14:05:47.252877+00:00"},{"alias_kind":"arxiv_version","alias_value":"2604.07176v1","created_at":"2026-06-03T14:05:47.252877+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2604.07176","created_at":"2026-06-03T14:05:47.252877+00:00"},{"alias_kind":"pith_short_12","alias_value":"IBI4UK4CSR7H","created_at":"2026-06-03T14:05:47.252877+00:00"},{"alias_kind":"pith_short_16","alias_value":"IBI4UK4CSR7HJJL2","created_at":"2026-06-03T14:05:47.252877+00:00"},{"alias_kind":"pith_short_8","alias_value":"IBI4UK4C","created_at":"2026-06-03T14:05:47.252877+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/IBI4UK4CSR7HJJL2B5HDVRVYTF","json":"https://pith.science/pith/IBI4UK4CSR7HJJL2B5HDVRVYTF.json","graph_json":"https://pith.science/api/pith-number/IBI4UK4CSR7HJJL2B5HDVRVYTF/graph.json","events_json":"https://pith.science/api/pith-number/IBI4UK4CSR7HJJL2B5HDVRVYTF/events.json","paper":"https://pith.science/paper/IBI4UK4C"},"agent_actions":{"view_html":"https://pith.science/pith/IBI4UK4CSR7HJJL2B5HDVRVYTF","download_json":"https://pith.science/pith/IBI4UK4CSR7HJJL2B5HDVRVYTF.json","view_paper":"https://pith.science/paper/IBI4UK4C","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2604.07176&json=true","fetch_graph":"https://pith.science/api/pith-number/IBI4UK4CSR7HJJL2B5HDVRVYTF/graph.json","fetch_events":"https://pith.science/api/pith-number/IBI4UK4CSR7HJJL2B5HDVRVYTF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IBI4UK4CSR7HJJL2B5HDVRVYTF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IBI4UK4CSR7HJJL2B5HDVRVYTF/action/storage_attestation","attest_author":"https://pith.science/pith/IBI4UK4CSR7HJJL2B5HDVRVYTF/action/author_attestation","sign_citation":"https://pith.science/pith/IBI4UK4CSR7HJJL2B5HDVRVYTF/action/citation_signature","submit_replication":"https://pith.science/pith/IBI4UK4CSR7HJJL2B5HDVRVYTF/action/replication_record"}},"created_at":"2026-06-03T14:05:47.252877+00:00","updated_at":"2026-06-03T14:05:47.252877+00:00"}