{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:JFRMDRQMBGVZI7XMT5VSDCQKHB","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":"9b0ba262d0d0b508b6c75fe6fe78d015aee565fd48e5d08e2628ef2542640d78","cross_cats_sorted":["astro-ph.SR","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-02-11T12:37:43Z","title_canon_sha256":"7f4dcec12bbf56f461b8d06bebb456fba476fc73b125287596dd65942879094b"},"schema_version":"1.0","source":{"id":"1402.2650","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.2650","created_at":"2026-05-18T01:44:45Z"},{"alias_kind":"arxiv_version","alias_value":"1402.2650v2","created_at":"2026-05-18T01:44:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.2650","created_at":"2026-05-18T01:44:45Z"},{"alias_kind":"pith_short_12","alias_value":"JFRMDRQMBGVZ","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"JFRMDRQMBGVZI7XM","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"JFRMDRQM","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:d592dd7e85d0f06be3d5218ea8773c09e64b51a74e77cc98f2027ac9c6406b84","target":"graph","created_at":"2026-05-18T01:44:45Z","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":"In the course of the selection of the scientific themes for the second and third L-class missions of the Cosmic Vision 2015-2025 program of the European Space Agency, the exploration of the ice giant planets Uranus and Neptune was defined \"a timely milestone, fully appropriate for an L class mission\". Among the proposed scientific themes, we presented the scientific case of exploring both planets and their satellites in the framework of a single L-class mission and proposed a mission scenario that could allow to achieve this result. In this work we present an updated and more complete discussi","authors_text":"Alberto Adriani, Christina Plainaki, Davide Grassi, David M. Lucchesi, Diego Turrini, Fran\\c{c}ois-Xavier Schmider, Francesca Altieri, Gianfranco Magni, Giuseppe Piccioni, Mauro Barbieri, Nicolas Gorius, Patrick Gaulme, Roberto Peron, Romolo Politi, Valeria Cottini","cross_cats":["astro-ph.SR","gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-02-11T12:37:43Z","title":"The Comparative Exploration of the Ice Giant Planets with Twin Spacecraft: Unveiling the History of our Solar System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.2650","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:f7176716feb90ffcf4f2da23b5b99fb1fbc84a3b0d0327a42c0fdbb5719abfef","target":"record","created_at":"2026-05-18T01:44:45Z","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":"9b0ba262d0d0b508b6c75fe6fe78d015aee565fd48e5d08e2628ef2542640d78","cross_cats_sorted":["astro-ph.SR","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-02-11T12:37:43Z","title_canon_sha256":"7f4dcec12bbf56f461b8d06bebb456fba476fc73b125287596dd65942879094b"},"schema_version":"1.0","source":{"id":"1402.2650","kind":"arxiv","version":2}},"canonical_sha256":"4962c1c60c09ab947eec9f6b218a0a386b8e1506a525bb0c1d3418b9667122a3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4962c1c60c09ab947eec9f6b218a0a386b8e1506a525bb0c1d3418b9667122a3","first_computed_at":"2026-05-18T01:44:45.201769Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:44:45.201769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qzmUw9WllGBJnPJ/RZSIuSMXhP6CxdX6cR2nKLkd0JuhMozxQsP/BejMPSRcKuMzFcsO6f5Xxj082x8+YdVZAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:44:45.202272Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.2650","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f7176716feb90ffcf4f2da23b5b99fb1fbc84a3b0d0327a42c0fdbb5719abfef","sha256:d592dd7e85d0f06be3d5218ea8773c09e64b51a74e77cc98f2027ac9c6406b84"],"state_sha256":"5cf0856073eef0d8e4e3827435f9d3a9890f851cab91539166d29184815372e5"}