{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:NHD7GY2YBK3KZP2TOGRVGNNCDW","short_pith_number":"pith:NHD7GY2Y","schema_version":"1.0","canonical_sha256":"69c7f363580ab6acbf5371a35335a21dbd500f2bb1cd71f3d140d2461224843b","source":{"kind":"arxiv","id":"1802.10422","version":1},"attestation_state":"computed","paper":{"title":"Effect of Mars Atmospheric Loss on Snow Melt Potential in a 3.5-Gyr Mars Climate Evolution Model","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Edwin S. Kite, Megan Mansfield, Michael A. Mischna","submitted_at":"2018-02-28T14:14:34Z","abstract_excerpt":"Post-Noachian Martian paleochannels indicate the existence of liquid water on the surface of Mars after about 3.5 Gya (Irwin et al., 2015; Palucis et al., 2016). In order to explore the effects of variations in CO$_{2}$ partial pressure and obliquity on the possibility of surface water, we created a zero-dimensional surface energy balance model. We combine this model with physically consistent orbital histories to track conditions over the last 3.5 Gyr of Martian history. We find that melting is allowed for atmospheric pressures corresponding to exponential loss rates of $dP/dt \\propto t^{-3.7"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1802.10422","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-02-28T14:14:34Z","cross_cats_sorted":[],"title_canon_sha256":"62d8eed7d518d218a2bd17554cc7abe7e1a2dcaac4c83a44993f64b6f5257307","abstract_canon_sha256":"6aabf2782b97537bb3c3c96523471753e9f6b88f4437a622b87a753f837ed161"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:17.190664Z","signature_b64":"JFZjn0ckvempcvvuKerMTrDlX+vdIZI7ZcV1zPrcdEnEMQDD6fPKQOM32ich15YLJYd1LOinTHl337DTF0J2Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"69c7f363580ab6acbf5371a35335a21dbd500f2bb1cd71f3d140d2461224843b","last_reissued_at":"2026-05-18T00:22:17.190050Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:17.190050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Effect of Mars Atmospheric Loss on Snow Melt Potential in a 3.5-Gyr Mars Climate Evolution Model","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Edwin S. Kite, Megan Mansfield, Michael A. Mischna","submitted_at":"2018-02-28T14:14:34Z","abstract_excerpt":"Post-Noachian Martian paleochannels indicate the existence of liquid water on the surface of Mars after about 3.5 Gya (Irwin et al., 2015; Palucis et al., 2016). In order to explore the effects of variations in CO$_{2}$ partial pressure and obliquity on the possibility of surface water, we created a zero-dimensional surface energy balance model. We combine this model with physically consistent orbital histories to track conditions over the last 3.5 Gyr of Martian history. We find that melting is allowed for atmospheric pressures corresponding to exponential loss rates of $dP/dt \\propto t^{-3.7"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.10422","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":""},"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":"1802.10422","created_at":"2026-05-18T00:22:17.190143+00:00"},{"alias_kind":"arxiv_version","alias_value":"1802.10422v1","created_at":"2026-05-18T00:22:17.190143+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.10422","created_at":"2026-05-18T00:22:17.190143+00:00"},{"alias_kind":"pith_short_12","alias_value":"NHD7GY2YBK3K","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_16","alias_value":"NHD7GY2YBK3KZP2T","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_8","alias_value":"NHD7GY2Y","created_at":"2026-05-18T12:32:40.477152+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/NHD7GY2YBK3KZP2TOGRVGNNCDW","json":"https://pith.science/pith/NHD7GY2YBK3KZP2TOGRVGNNCDW.json","graph_json":"https://pith.science/api/pith-number/NHD7GY2YBK3KZP2TOGRVGNNCDW/graph.json","events_json":"https://pith.science/api/pith-number/NHD7GY2YBK3KZP2TOGRVGNNCDW/events.json","paper":"https://pith.science/paper/NHD7GY2Y"},"agent_actions":{"view_html":"https://pith.science/pith/NHD7GY2YBK3KZP2TOGRVGNNCDW","download_json":"https://pith.science/pith/NHD7GY2YBK3KZP2TOGRVGNNCDW.json","view_paper":"https://pith.science/paper/NHD7GY2Y","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1802.10422&json=true","fetch_graph":"https://pith.science/api/pith-number/NHD7GY2YBK3KZP2TOGRVGNNCDW/graph.json","fetch_events":"https://pith.science/api/pith-number/NHD7GY2YBK3KZP2TOGRVGNNCDW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NHD7GY2YBK3KZP2TOGRVGNNCDW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NHD7GY2YBK3KZP2TOGRVGNNCDW/action/storage_attestation","attest_author":"https://pith.science/pith/NHD7GY2YBK3KZP2TOGRVGNNCDW/action/author_attestation","sign_citation":"https://pith.science/pith/NHD7GY2YBK3KZP2TOGRVGNNCDW/action/citation_signature","submit_replication":"https://pith.science/pith/NHD7GY2YBK3KZP2TOGRVGNNCDW/action/replication_record"}},"created_at":"2026-05-18T00:22:17.190143+00:00","updated_at":"2026-05-18T00:22:17.190143+00:00"}