{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:VZ2DSGKOHBGRGR4EIROLCPLOSK","short_pith_number":"pith:VZ2DSGKO","schema_version":"1.0","canonical_sha256":"ae7439194e384d134784445cb13d6e9289f9122f6475106a93a0ba99f4447f7a","source":{"kind":"arxiv","id":"2101.09393","version":2},"attestation_state":"computed","paper":{"title":"Modelling the He I triplet absorption at 10830 Angstroms in the atmospheres of HD 189733 b and GJ 3470 b","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A. Quirrenbach, A. Reiners, A. S\\'anchez-L\\'opez, D. Montes, E. Nagel, E. Pall\\'e, F. F. Bauer, I. Ribas, J. A. Caballero, J. Aceituno, J. Sanz-Forcada, K. Molaverdikhani, L. Nortmann, M. Lamp\\'on, M. L\\'opez-Puertas, M. Salz, P. J. Amado, S. Czesla, Th. Henning","submitted_at":"2021-01-23T01:25:10Z","abstract_excerpt":"Characterising the atmospheres of exoplanets is key to understanding their nature and provides hints about their formation and evolution. High-resolution measurements of the helium triplet, He(2$^{3}$S), absorption of highly irradiated planets have been recently reported, which provide a new mean to study their atmospheric escape. In this work, we study the escape of the upper atmospheres of HD 189733 b and GJ 3470 b by analysing high-resolution He(2$^{3}$S) absorption measurements and using a 1D hydrodynamic model coupled with a non-LTE model for the He(2$^{3}$S) state. We also use the H dens"},"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":"2101.09393","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-01-23T01:25:10Z","cross_cats_sorted":[],"title_canon_sha256":"edd9c2bf0695e004cb2c89515455f5c2e6efe4f55aaf53b85b97a83cecce5009","abstract_canon_sha256":"2e0ad955a8ae57adb5b050be27e4d5e5e6d8b51a656a300f1818acc5f24a9e06"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:25:36.246770Z","signature_b64":"7yAujs/sKqJUtwS2QhkkXf7GAhH1GFCgj57gTXt6X0ZRCVnjcNZkHQ1ctP6NCstmF3f2G7AUsVM9P7lkRioeDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ae7439194e384d134784445cb13d6e9289f9122f6475106a93a0ba99f4447f7a","last_reissued_at":"2026-07-05T02:25:36.246313Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:25:36.246313Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Modelling the He I triplet absorption at 10830 Angstroms in the atmospheres of HD 189733 b and GJ 3470 b","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A. Quirrenbach, A. Reiners, A. S\\'anchez-L\\'opez, D. Montes, E. Nagel, E. Pall\\'e, F. F. Bauer, I. Ribas, J. A. Caballero, J. Aceituno, J. Sanz-Forcada, K. Molaverdikhani, L. Nortmann, M. Lamp\\'on, M. L\\'opez-Puertas, M. Salz, P. J. Amado, S. Czesla, Th. Henning","submitted_at":"2021-01-23T01:25:10Z","abstract_excerpt":"Characterising the atmospheres of exoplanets is key to understanding their nature and provides hints about their formation and evolution. High-resolution measurements of the helium triplet, He(2$^{3}$S), absorption of highly irradiated planets have been recently reported, which provide a new mean to study their atmospheric escape. In this work, we study the escape of the upper atmospheres of HD 189733 b and GJ 3470 b by analysing high-resolution He(2$^{3}$S) absorption measurements and using a 1D hydrodynamic model coupled with a non-LTE model for the He(2$^{3}$S) state. We also use the H dens"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.09393","kind":"arxiv","version":2},"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/2101.09393/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":"2101.09393","created_at":"2026-07-05T02:25:36.246374+00:00"},{"alias_kind":"arxiv_version","alias_value":"2101.09393v2","created_at":"2026-07-05T02:25:36.246374+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.09393","created_at":"2026-07-05T02:25:36.246374+00:00"},{"alias_kind":"pith_short_12","alias_value":"VZ2DSGKOHBGR","created_at":"2026-07-05T02:25:36.246374+00:00"},{"alias_kind":"pith_short_16","alias_value":"VZ2DSGKOHBGRGR4E","created_at":"2026-07-05T02:25:36.246374+00:00"},{"alias_kind":"pith_short_8","alias_value":"VZ2DSGKO","created_at":"2026-07-05T02:25:36.246374+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/VZ2DSGKOHBGRGR4EIROLCPLOSK","json":"https://pith.science/pith/VZ2DSGKOHBGRGR4EIROLCPLOSK.json","graph_json":"https://pith.science/api/pith-number/VZ2DSGKOHBGRGR4EIROLCPLOSK/graph.json","events_json":"https://pith.science/api/pith-number/VZ2DSGKOHBGRGR4EIROLCPLOSK/events.json","paper":"https://pith.science/paper/VZ2DSGKO"},"agent_actions":{"view_html":"https://pith.science/pith/VZ2DSGKOHBGRGR4EIROLCPLOSK","download_json":"https://pith.science/pith/VZ2DSGKOHBGRGR4EIROLCPLOSK.json","view_paper":"https://pith.science/paper/VZ2DSGKO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2101.09393&json=true","fetch_graph":"https://pith.science/api/pith-number/VZ2DSGKOHBGRGR4EIROLCPLOSK/graph.json","fetch_events":"https://pith.science/api/pith-number/VZ2DSGKOHBGRGR4EIROLCPLOSK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VZ2DSGKOHBGRGR4EIROLCPLOSK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VZ2DSGKOHBGRGR4EIROLCPLOSK/action/storage_attestation","attest_author":"https://pith.science/pith/VZ2DSGKOHBGRGR4EIROLCPLOSK/action/author_attestation","sign_citation":"https://pith.science/pith/VZ2DSGKOHBGRGR4EIROLCPLOSK/action/citation_signature","submit_replication":"https://pith.science/pith/VZ2DSGKOHBGRGR4EIROLCPLOSK/action/replication_record"}},"created_at":"2026-07-05T02:25:36.246374+00:00","updated_at":"2026-07-05T02:25:36.246374+00:00"}