{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:GFXOCGPPBOELKYX6P3ITTBFIF4","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":"03d77db8c94ff594374b71830a16a3bc612c93bf418213a5642efe1b335d5a53","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-11-14T03:25:12Z","title_canon_sha256":"65b8f6ca12a2cd35309c63ea2bc18db6b77a6f54d311df3b4af0c888d980474a"},"schema_version":"1.0","source":{"id":"1511.04497","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.04497","created_at":"2026-05-18T01:12:40Z"},{"alias_kind":"arxiv_version","alias_value":"1511.04497v2","created_at":"2026-05-18T01:12:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.04497","created_at":"2026-05-18T01:12:40Z"},{"alias_kind":"pith_short_12","alias_value":"GFXOCGPPBOEL","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"GFXOCGPPBOELKYX6","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"GFXOCGPP","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:42503725b9611fac1c3ca200fa7af8f5df5eb023a0bacbcde7a4c418bd025e1a","target":"graph","created_at":"2026-05-18T01:12:40Z","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 report the discovery and confirmation of two sub-Saturn planets orbiting a bright (V = 11.3), metal-rich ([Fe/H] = 0.42 $\\pm$ 0.04 dex) G3 dwarf in the K2 Campaign 2 field. The planets are 5.68 $\\pm$ 0.56 Earth-radii and 7.82 $\\pm$ 0.72 Earth-radii and have orbital periods of 20.8851 $\\pm$ 0.0003 d and 42.3633$\\pm$0.0006 d, near to the 2:1 mean-motion resonance. We obtained 32 radial velocities (RVs) with Keck/HIRES and detected the reflex motion due to EPIC-203771098b and c. These planets have masses of 21.0 $\\pm$ 5.4 Earth-masses and 27.0 $\\pm$ 6.9 Earth-masses, respectively. With low den","authors_text":"Andrew W. Howard, Benjamin J. Fulton, Brad M. S. Hansen, Charles A. Beichman, David R. Ciardi, Eric D. Lopez, Erik A. Petigura, Eugene Chiang, Evan Sinukoff, Eve J. Lee, Howard Isaacson, Ian J. M. Crossfield, Joshua E. Schlieder, Katherine M. Deck","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-11-14T03:25:12Z","title":"Two Transiting Low Density Sub-Saturns from K2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.04497","kind":"arxiv","version":2},"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":"sha256:29dd78b5454969e68376c1b3e78e0b5d541330d4c0ca8dcce063539eab7cbac4","target":"record","created_at":"2026-05-18T01:12:40Z","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":"03d77db8c94ff594374b71830a16a3bc612c93bf418213a5642efe1b335d5a53","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-11-14T03:25:12Z","title_canon_sha256":"65b8f6ca12a2cd35309c63ea2bc18db6b77a6f54d311df3b4af0c888d980474a"},"schema_version":"1.0","source":{"id":"1511.04497","kind":"arxiv","version":2}},"canonical_sha256":"316ee119ef0b88b562fe7ed13984a82f26399e53986fd224b3983efc9720e615","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"316ee119ef0b88b562fe7ed13984a82f26399e53986fd224b3983efc9720e615","first_computed_at":"2026-05-18T01:12:40.420668Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:40.420668Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qwmI2Yb0HHT5sbofgUb5s8xnEJd3sBehypYhJ5TZMpRZxqnIvLGwXzImomEe3yH+SaO3IOep2vr+gDCp9npmCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:40.420994Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.04497","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:29dd78b5454969e68376c1b3e78e0b5d541330d4c0ca8dcce063539eab7cbac4","sha256:42503725b9611fac1c3ca200fa7af8f5df5eb023a0bacbcde7a4c418bd025e1a"],"state_sha256":"59369ffb754c784e61d5702a620ef188085d71dea707583bf06806a183adad81"}