{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:G5AB3J3OK3VS5T5B5J5WT3XFFZ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"d10b4c7cf68b2c508339289f84e917f97feef5b0f3bea95e4a09a12ba1273ef2","cross_cats_sorted":["astro-ph.SR","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-09-05T02:50:43Z","title_canon_sha256":"30fb8e072c9d53824f9b546fa42a1b45d3d4d58c136bca4680f0695afbdb7be3"},"schema_version":"1.0","source":{"id":"1709.01219","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.01219","created_at":"2026-05-18T00:34:46Z"},{"alias_kind":"arxiv_version","alias_value":"1709.01219v1","created_at":"2026-05-18T00:34:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.01219","created_at":"2026-05-18T00:34:46Z"},{"alias_kind":"pith_short_12","alias_value":"G5AB3J3OK3VS","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"G5AB3J3OK3VS5T5B","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"G5AB3J3O","created_at":"2026-05-18T12:31:15Z"}],"graph_snapshots":[{"event_id":"sha256:ef609389105efde4846d8b8a304f1a6d3f7664fb12487246e5c9e3524569be8a","target":"graph","created_at":"2026-05-18T00:34:46Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We present a three-species multi-fluid MHD model (H$^+$, H$_2$O$^+$ and e$^-$), endowed with the requisite atmospheric chemistry, that is capable of accurately quantifying the magnitude of water ion losses from exoplanets. We apply this model to a water world with Earth-like parameters orbiting a Sun-like star for three cases: (i) current normal solar wind conditions, (ii) ancient normal solar wind conditions, and (iii) one extreme \"Carrington-type\" space weather event. We demonstrate that the ion escape rate for (ii), with a value of 6.0$\\times$10$^{26}$ s$^{-1}$, is about an order of magnitu","authors_text":"Amitava Bhattacharjee, Chuanfei Dong, G\\'abor T\\'oth, Manasvi Lingam, Tamas Gombosi, Zhenguang Huang","cross_cats":["astro-ph.SR","physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-09-05T02:50:43Z","title":"The dehydration of water worlds via atmospheric losses"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.01219","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:c3e1ec0c4386845a527e10a05607608f630363c69f5eb803041c2edc1a56341e","target":"record","created_at":"2026-05-18T00:34:46Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"d10b4c7cf68b2c508339289f84e917f97feef5b0f3bea95e4a09a12ba1273ef2","cross_cats_sorted":["astro-ph.SR","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-09-05T02:50:43Z","title_canon_sha256":"30fb8e072c9d53824f9b546fa42a1b45d3d4d58c136bca4680f0695afbdb7be3"},"schema_version":"1.0","source":{"id":"1709.01219","kind":"arxiv","version":1}},"canonical_sha256":"37401da76e56eb2ecfa1ea7b69eee52e460320c8f8bd4fc572d4d22627a0aeed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"37401da76e56eb2ecfa1ea7b69eee52e460320c8f8bd4fc572d4d22627a0aeed","first_computed_at":"2026-05-18T00:34:46.104264Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:34:46.104264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G7D30SvBsADEAaIBGo6KbxQQRrcav6a4n7tWoumOM8sVPmWnxA8hA0o9pksLj/uNd6pM0B8Qzxar9k7lxQowAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:34:46.105085Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.01219","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c3e1ec0c4386845a527e10a05607608f630363c69f5eb803041c2edc1a56341e","sha256:ef609389105efde4846d8b8a304f1a6d3f7664fb12487246e5c9e3524569be8a"],"state_sha256":"773587ec993b09e0119e9490736f9632ad70332765f930c5e0721c08d4182dae"}