{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:MIASKQCBZLKUV7MQTHTXXOTE62","short_pith_number":"pith:MIASKQCB","schema_version":"1.0","canonical_sha256":"6201254041cad54afd9099e77bba64f6ae56c76e9393101f3261e96ea220277f","source":{"kind":"arxiv","id":"2606.02083","version":1},"attestation_state":"computed","paper":{"title":"Escape of Water- and Metal-enriched Atmospheres from compact Hot mini-Neptunes with CHAIN","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Caroline Piaulet-Ghorayeb, Daria Kubyshkina, Jo Ann Egger","submitted_at":"2026-06-01T11:14:49Z","abstract_excerpt":"Recent observations reveal that atmospheric compositions of close-in sub-Neptunes are diverse and can differ strongly from pure H/He-dominated. We assess the possibility of modelling metal-rich and water-rich atmospheres with CHAIN model. We evaluate the major differences between the upper atmosphere photochemistry of such atmospheres compared to H/He, and the impact on atmospheric mass loss rates. We employ CHAIN to model upper atmospheres of two warm and hot sub-Neptune-like planets which were suggested to host possibly water-/metal-rich atmospheres: GJ 9827 d and TOI-238 b. For each planet,"},"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":"2606.02083","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-01T11:14:49Z","cross_cats_sorted":[],"title_canon_sha256":"acc4d89a59696a03f761b51d67f31fd050c496a1d0ab2d7949ada19bf862377f","abstract_canon_sha256":"14898788964793d576bf9fbbb9b12a9edbb33f913e336191b7c5a58982052982"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-02T02:05:05.956999Z","signature_b64":"2bw9v4vRfEs59/qJlOP+bSFS9ITCZOAdMKfZ3uLJtAE2iNc97t6ZeI2JbZAwe0GjFpu4waYt3ZSFTaWT37R5CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6201254041cad54afd9099e77bba64f6ae56c76e9393101f3261e96ea220277f","last_reissued_at":"2026-06-02T02:05:05.956576Z","signature_status":"signed_v1","first_computed_at":"2026-06-02T02:05:05.956576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Escape of Water- and Metal-enriched Atmospheres from compact Hot mini-Neptunes with CHAIN","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Caroline Piaulet-Ghorayeb, Daria Kubyshkina, Jo Ann Egger","submitted_at":"2026-06-01T11:14:49Z","abstract_excerpt":"Recent observations reveal that atmospheric compositions of close-in sub-Neptunes are diverse and can differ strongly from pure H/He-dominated. We assess the possibility of modelling metal-rich and water-rich atmospheres with CHAIN model. We evaluate the major differences between the upper atmosphere photochemistry of such atmospheres compared to H/He, and the impact on atmospheric mass loss rates. We employ CHAIN to model upper atmospheres of two warm and hot sub-Neptune-like planets which were suggested to host possibly water-/metal-rich atmospheres: GJ 9827 d and TOI-238 b. For each planet,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.02083","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/2606.02083/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":"2606.02083","created_at":"2026-06-02T02:05:05.956645+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.02083v1","created_at":"2026-06-02T02:05:05.956645+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.02083","created_at":"2026-06-02T02:05:05.956645+00:00"},{"alias_kind":"pith_short_12","alias_value":"MIASKQCBZLKU","created_at":"2026-06-02T02:05:05.956645+00:00"},{"alias_kind":"pith_short_16","alias_value":"MIASKQCBZLKUV7MQ","created_at":"2026-06-02T02:05:05.956645+00:00"},{"alias_kind":"pith_short_8","alias_value":"MIASKQCB","created_at":"2026-06-02T02:05:05.956645+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/MIASKQCBZLKUV7MQTHTXXOTE62","json":"https://pith.science/pith/MIASKQCBZLKUV7MQTHTXXOTE62.json","graph_json":"https://pith.science/api/pith-number/MIASKQCBZLKUV7MQTHTXXOTE62/graph.json","events_json":"https://pith.science/api/pith-number/MIASKQCBZLKUV7MQTHTXXOTE62/events.json","paper":"https://pith.science/paper/MIASKQCB"},"agent_actions":{"view_html":"https://pith.science/pith/MIASKQCBZLKUV7MQTHTXXOTE62","download_json":"https://pith.science/pith/MIASKQCBZLKUV7MQTHTXXOTE62.json","view_paper":"https://pith.science/paper/MIASKQCB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.02083&json=true","fetch_graph":"https://pith.science/api/pith-number/MIASKQCBZLKUV7MQTHTXXOTE62/graph.json","fetch_events":"https://pith.science/api/pith-number/MIASKQCBZLKUV7MQTHTXXOTE62/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MIASKQCBZLKUV7MQTHTXXOTE62/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MIASKQCBZLKUV7MQTHTXXOTE62/action/storage_attestation","attest_author":"https://pith.science/pith/MIASKQCBZLKUV7MQTHTXXOTE62/action/author_attestation","sign_citation":"https://pith.science/pith/MIASKQCBZLKUV7MQTHTXXOTE62/action/citation_signature","submit_replication":"https://pith.science/pith/MIASKQCBZLKUV7MQTHTXXOTE62/action/replication_record"}},"created_at":"2026-06-02T02:05:05.956645+00:00","updated_at":"2026-06-02T02:05:05.956645+00:00"}