{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:PMPQUWZBWOGZZN5GCBO2XMIFJ3","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":"fc0bc6717bda02d7e59c79a9ef1f9135e8285541f4e8e4dde9bd69fe10ffa82a","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-07-11T04:54:17Z","title_canon_sha256":"0501153f802583df2df70427cad38de9f6548615e463be27dcbd3171653ef926"},"schema_version":"1.0","source":{"id":"1107.1936","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.1936","created_at":"2026-05-18T04:18:33Z"},{"alias_kind":"arxiv_version","alias_value":"1107.1936v1","created_at":"2026-05-18T04:18:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.1936","created_at":"2026-05-18T04:18:33Z"},{"alias_kind":"pith_short_12","alias_value":"PMPQUWZBWOGZ","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"PMPQUWZBWOGZZN5G","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"PMPQUWZB","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:2eed57820fc9b1a0a56416fccb2699b2e9e956bd60659a6df404aafdc36560f8","target":"graph","created_at":"2026-05-18T04:18:33Z","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":"The bright star 55 Cancri is known to host five planets, including a transiting super-Earth. We use the CHARA Array to directly determine the following of 55 Cnc's stellar astrophysical parameters: $R=0.943 \\pm 0.010 R_{\\odot}$, $T_{\\rm EFF} = 5196 \\pm 24$ K. Planet 55 Cnc f ($M \\sin i = 0.155 M_{Jupiter}$) spends the majority of the duration of its elliptical orbit in the circumstellar habitable zone (0.67--1.32 AU) where, with moderate greenhouse heating, it could harbor liquid water. Our determination of 55 Cancri's stellar radius allows for a model-independent calculation of the physical d","authors_text":"(2) Georgia State, 3), (3) Hubble Fellow, (4) ESO, (5) CSIC-IEEC/CIW-DTM, (6) CHARA, (7) NOAO), C. Farrington (6), D. R. Ciardi (1), G. Schaefer (6), G. T. van Belle (4), H. A. McAlister (2), J. Sturmann (6), K. von Braun (1), L. Sturmann (6), M. Lopez-Morales (5), N. H. Turner (6), P. J. Goldfinger (6) ((1) NExScI/Caltech, R. White (2), S. R. Kane (1), S. T. Ridgway (7), T. A. ten Brummelaar (6), T. S. Boyajian (2","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-07-11T04:54:17Z","title":"The 55 Cancri System: Fundamental Stellar Parameters, Habitable Zone Planet, and Super-Earth Diameter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.1936","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":"sha256:588ad6b19fe529e82c5f413b37713e517822876d70564e6e0d0a8e257df80ad9","target":"record","created_at":"2026-05-18T04:18:33Z","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":"fc0bc6717bda02d7e59c79a9ef1f9135e8285541f4e8e4dde9bd69fe10ffa82a","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-07-11T04:54:17Z","title_canon_sha256":"0501153f802583df2df70427cad38de9f6548615e463be27dcbd3171653ef926"},"schema_version":"1.0","source":{"id":"1107.1936","kind":"arxiv","version":1}},"canonical_sha256":"7b1f0a5b21b38d9cb7a6105dabb1054ef222f860acbb13ef5dbf808ccff0d478","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7b1f0a5b21b38d9cb7a6105dabb1054ef222f860acbb13ef5dbf808ccff0d478","first_computed_at":"2026-05-18T04:18:33.834729Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:18:33.834729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6cpw/W3xo+tBdR8Ok4ftW7vYw9VvTAQ6Z0kZN+0y/7tXl+3FOSvyKiARPtGrc2HRBaogJYHRA2QVS1s11dF6Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:18:33.835224Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.1936","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:588ad6b19fe529e82c5f413b37713e517822876d70564e6e0d0a8e257df80ad9","sha256:2eed57820fc9b1a0a56416fccb2699b2e9e956bd60659a6df404aafdc36560f8"],"state_sha256":"f078cc412aecaedbf5c0377085fc48341b8a5aa299b844f4030f9c7dbc0ca3ef"}