{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:YR2HVFNIM2OJXQVJZOJFHYLL4A","short_pith_number":"pith:YR2HVFNI","schema_version":"1.0","canonical_sha256":"c4747a95a8669c9bc2a9cb9253e16be028adf77f4ff5a2243da522cf0b421002","source":{"kind":"arxiv","id":"2306.15776","version":1},"attestation_state":"computed","paper":{"title":"The GAPS programme at TNG. XLV. HI Balmer lines transmission spectroscopy and NLTE atmospheric modelling of the ultra-hot Jupiter KELT-20b/MASCARA-2b","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"A. Bignamini, A. F. Lanza, A. S. Bonomo, A. Sozzetti, C. Knapic, D. Gandolfi, D. Nardiello, D. Shulyak, D. Sicilia, E. Poretti, F. Biassoni, F. Borsa, F. Haardt, F. Rigamonti, G. Aresu, G. Guilluy, G. M. Cappello, I. Carleo, L. Fossati, L. Malavolta, L. Mancini, L. Pino, M. Brogi, M. Pinamonti, M. Rainer, M. Young, R. Claudi, R. Cosentino, T. Koskinen, V. Nascimbeni","submitted_at":"2023-06-27T19:58:50Z","abstract_excerpt":"We aim at extracting the transmission spectrum of the HI Balmer lines of the ultra-hot Jupiter (UHJ) KELT-20b/MASCARA-2b from observations and to further compare the results with what obtained through forward modelling accounting for non-local thermodynamic equilibrium (NLTE) effects. We extract the line profiles from six transits obtained with the HARPS-N high-resolution spectrograph attached to the Telescopio Nazionale Galileo telescope. We compute the temperature-pressure (TP) profile employing the helios code in the lower atmosphere and the Cloudy NLTE code in the middle and upper atmosphe"},"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":"2306.15776","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-06-27T19:58:50Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"a890302f9d0ba89b627d784f71df92c735ca4463ad29bbc20676d91135ce64b7","abstract_canon_sha256":"f7ceee1a19b9b9b392828e902d9ab53dfcafe3c28d6685e9ea891d39d6b18d08"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:43:39.665666Z","signature_b64":"hRMZVomxs8xIdJrwpfSKyhXQOOcXOXb3BgkRf/IQmWywwvTfSgZzABJG5UbjC68q+n6GEZDMFO07G/rH+oWRCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c4747a95a8669c9bc2a9cb9253e16be028adf77f4ff5a2243da522cf0b421002","last_reissued_at":"2026-07-05T06:43:39.665166Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:43:39.665166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The GAPS programme at TNG. XLV. HI Balmer lines transmission spectroscopy and NLTE atmospheric modelling of the ultra-hot Jupiter KELT-20b/MASCARA-2b","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"A. Bignamini, A. F. Lanza, A. S. Bonomo, A. Sozzetti, C. Knapic, D. Gandolfi, D. Nardiello, D. Shulyak, D. Sicilia, E. Poretti, F. Biassoni, F. Borsa, F. Haardt, F. Rigamonti, G. Aresu, G. Guilluy, G. M. Cappello, I. Carleo, L. Fossati, L. Malavolta, L. Mancini, L. Pino, M. Brogi, M. Pinamonti, M. Rainer, M. Young, R. Claudi, R. Cosentino, T. Koskinen, V. Nascimbeni","submitted_at":"2023-06-27T19:58:50Z","abstract_excerpt":"We aim at extracting the transmission spectrum of the HI Balmer lines of the ultra-hot Jupiter (UHJ) KELT-20b/MASCARA-2b from observations and to further compare the results with what obtained through forward modelling accounting for non-local thermodynamic equilibrium (NLTE) effects. We extract the line profiles from six transits obtained with the HARPS-N high-resolution spectrograph attached to the Telescopio Nazionale Galileo telescope. We compute the temperature-pressure (TP) profile employing the helios code in the lower atmosphere and the Cloudy NLTE code in the middle and upper atmosphe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.15776","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/2306.15776/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":"2306.15776","created_at":"2026-07-05T06:43:39.665219+00:00"},{"alias_kind":"arxiv_version","alias_value":"2306.15776v1","created_at":"2026-07-05T06:43:39.665219+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.15776","created_at":"2026-07-05T06:43:39.665219+00:00"},{"alias_kind":"pith_short_12","alias_value":"YR2HVFNIM2OJ","created_at":"2026-07-05T06:43:39.665219+00:00"},{"alias_kind":"pith_short_16","alias_value":"YR2HVFNIM2OJXQVJ","created_at":"2026-07-05T06:43:39.665219+00:00"},{"alias_kind":"pith_short_8","alias_value":"YR2HVFNI","created_at":"2026-07-05T06:43:39.665219+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/YR2HVFNIM2OJXQVJZOJFHYLL4A","json":"https://pith.science/pith/YR2HVFNIM2OJXQVJZOJFHYLL4A.json","graph_json":"https://pith.science/api/pith-number/YR2HVFNIM2OJXQVJZOJFHYLL4A/graph.json","events_json":"https://pith.science/api/pith-number/YR2HVFNIM2OJXQVJZOJFHYLL4A/events.json","paper":"https://pith.science/paper/YR2HVFNI"},"agent_actions":{"view_html":"https://pith.science/pith/YR2HVFNIM2OJXQVJZOJFHYLL4A","download_json":"https://pith.science/pith/YR2HVFNIM2OJXQVJZOJFHYLL4A.json","view_paper":"https://pith.science/paper/YR2HVFNI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2306.15776&json=true","fetch_graph":"https://pith.science/api/pith-number/YR2HVFNIM2OJXQVJZOJFHYLL4A/graph.json","fetch_events":"https://pith.science/api/pith-number/YR2HVFNIM2OJXQVJZOJFHYLL4A/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YR2HVFNIM2OJXQVJZOJFHYLL4A/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YR2HVFNIM2OJXQVJZOJFHYLL4A/action/storage_attestation","attest_author":"https://pith.science/pith/YR2HVFNIM2OJXQVJZOJFHYLL4A/action/author_attestation","sign_citation":"https://pith.science/pith/YR2HVFNIM2OJXQVJZOJFHYLL4A/action/citation_signature","submit_replication":"https://pith.science/pith/YR2HVFNIM2OJXQVJZOJFHYLL4A/action/replication_record"}},"created_at":"2026-07-05T06:43:39.665219+00:00","updated_at":"2026-07-05T06:43:39.665219+00:00"}