{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:XHHMNBN7FJMHPK54IEIVPDENUT","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":"8fb7cdc7e7a72113a2603a00763952ffe797ac5e78de384962571cba5a5ccc7c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-07T10:09:51Z","title_canon_sha256":"89f2b50317abed9fbe6110272e4d226b280e814aeefb2573cf964a0aad2d38a0"},"schema_version":"1.0","source":{"id":"1408.1528","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.1528","created_at":"2026-05-18T02:43:34Z"},{"alias_kind":"arxiv_version","alias_value":"1408.1528v1","created_at":"2026-05-18T02:43:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.1528","created_at":"2026-05-18T02:43:34Z"},{"alias_kind":"pith_short_12","alias_value":"XHHMNBN7FJMH","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"XHHMNBN7FJMHPK54","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"XHHMNBN7","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:2734ba79e41430394e90e93ecda4a8ba0dce4f32a32118a9ab6a6e790e632bea","target":"graph","created_at":"2026-05-18T02:43:34Z","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 object transiting the star Kepler-91 was recently assessed as being of planetary nature. The confirmation was achieved by analysing the light-curve modulations observed in the Kepler data. However, quasi-simultaneous studies claimed a self-luminous nature for this object, thus rejecting it as a planet. In this work, we apply an {independent} approach to confirm the planetary mass of Kepler-91b by using multi-epoch high-resolution spectroscopy obtained with the Calar Alto Fiber-fed Echelle spectrograph (CAFE). We obtain the physical and orbital parameters with the radial velocity technique.","authors_text":"D. Barrado, J. Aceituno, J. Lillo-Box, L. Mancini, N.C. Santos, P. Figueira, S. Ciceri, S. S\\'anchez, Th. Henning","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-07T10:09:51Z","title":"Radial velocity confirmation of Kepler-91 b. Additional evidence of its planetary nature using the Calar Alto/CAFE instrument"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.1528","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":"sha256:4bb7f0d93b2e3276ea7ae928aebd2dbb97e16a53f259a7cdbfd6514abe896803","target":"record","created_at":"2026-05-18T02:43:34Z","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":"8fb7cdc7e7a72113a2603a00763952ffe797ac5e78de384962571cba5a5ccc7c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-07T10:09:51Z","title_canon_sha256":"89f2b50317abed9fbe6110272e4d226b280e814aeefb2573cf964a0aad2d38a0"},"schema_version":"1.0","source":{"id":"1408.1528","kind":"arxiv","version":1}},"canonical_sha256":"b9cec685bf2a5877abbc4111578c8da4f8633018a6ee4623938e29148a25d6ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b9cec685bf2a5877abbc4111578c8da4f8633018a6ee4623938e29148a25d6ef","first_computed_at":"2026-05-18T02:43:34.104973Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:43:34.104973Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"squ97v6QqS7guQB7cng0PvKMnG83A4eUx+FBsE/0hZPXcx0klSrz945Rq7HXvh3lG6v9RcI0AeFj9l9NKTi8BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:43:34.105597Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.1528","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4bb7f0d93b2e3276ea7ae928aebd2dbb97e16a53f259a7cdbfd6514abe896803","sha256:2734ba79e41430394e90e93ecda4a8ba0dce4f32a32118a9ab6a6e790e632bea"],"state_sha256":"199c929a886591ec7f9ed911c702b33a82e39411ae86c032a38204cf9c9841fe"}