{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:KRH6YQWS2QK3MVWVKL2GZWRF5Z","short_pith_number":"pith:KRH6YQWS","canonical_record":{"source":{"id":"2606.09072","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-08T06:14:52Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"df405ffb7d82acd1930cc666f5b9f7f03d1c3453d4c1d248cefc2fd178fa7281","abstract_canon_sha256":"48a3afd0ae52e214cc6d30f97670820d2e1b8312ccfb20c6560d0648d739ec67"},"schema_version":"1.0"},"canonical_sha256":"544fec42d2d415b656d552f46cda25ee6a925e3906f83e8d0944e1e5134a7e0b","source":{"kind":"arxiv","id":"2606.09072","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.09072","created_at":"2026-06-09T02:07:57Z"},{"alias_kind":"arxiv_version","alias_value":"2606.09072v1","created_at":"2026-06-09T02:07:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.09072","created_at":"2026-06-09T02:07:57Z"},{"alias_kind":"pith_short_12","alias_value":"KRH6YQWS2QK3","created_at":"2026-06-09T02:07:57Z"},{"alias_kind":"pith_short_16","alias_value":"KRH6YQWS2QK3MVWV","created_at":"2026-06-09T02:07:57Z"},{"alias_kind":"pith_short_8","alias_value":"KRH6YQWS","created_at":"2026-06-09T02:07:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:KRH6YQWS2QK3MVWVKL2GZWRF5Z","target":"record","payload":{"canonical_record":{"source":{"id":"2606.09072","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-08T06:14:52Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"df405ffb7d82acd1930cc666f5b9f7f03d1c3453d4c1d248cefc2fd178fa7281","abstract_canon_sha256":"48a3afd0ae52e214cc6d30f97670820d2e1b8312ccfb20c6560d0648d739ec67"},"schema_version":"1.0"},"canonical_sha256":"544fec42d2d415b656d552f46cda25ee6a925e3906f83e8d0944e1e5134a7e0b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-09T02:07:57.119195Z","signature_b64":"1uzymUwx5x+9PBS6lGN4erz0ncHOyC0hiNnPMQj4ZlAKX+dY89R18x7TZvSP/5WiAndwWQuj73oBoAAgfURVCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"544fec42d2d415b656d552f46cda25ee6a925e3906f83e8d0944e1e5134a7e0b","last_reissued_at":"2026-06-09T02:07:57.118296Z","signature_status":"signed_v1","first_computed_at":"2026-06-09T02:07:57.118296Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.09072","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-09T02:07:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ho7y1tP/p5cotF/gN/QJfdtyI35/GkJqmmsjLM8FdhGCiyOiABGh8jdbK8aZy1JQmTVQOJftofvE1pxs56TCDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T06:25:45.987168Z"},"content_sha256":"619f993a3ef9be81e81a73ee3ba96e4bb5ded102e595c80c9280ef0f1a8a0519","schema_version":"1.0","event_id":"sha256:619f993a3ef9be81e81a73ee3ba96e4bb5ded102e595c80c9280ef0f1a8a0519"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:KRH6YQWS2QK3MVWVKL2GZWRF5Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CORALIE radial-velocity search for companions around evolved stars (CASCADES) V. Three planetary companions and achievable precision","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"2), (2) Observatoire Astronomique de l Universit\\'e de Gen\\`eve, (3) Instituut voor Sterrenkunde, (4) Space sciences, 5), (5) Astrobiology Research Unit, 6), (6) European Southern Observatory, A. Leleu (2), Astrophysics Research (STAR) Institute, Chile), D. S\\'egransan (2), E. Fontanet (2), E. Friden (2), G. Ottoni (2), J. P. Faria (2), KU Leuven, M. Esseldeurs (3), M. Stalport (4, P. Figueira (1, R. Luque (1), S. Tavella (2, S. Udry (2) ((1) Instituto de Astrof\\'isica de Andaluc\\'ia-CSIC, Technologies, Universit\\'e de Li\\`ege","submitted_at":"2026-06-08T06:14:52Z","abstract_excerpt":"Aims. We expand the planetary census around massive stellar hosts through a long-term campaign of high-precision radial velocity (RV) measurements on evolved stars.\n  Methods. We analyse data acquired with the CORALIE spectrograph covering 15-18 years on HD125136, HD127195, and HD220218. Stellar parameters are derived through different methods for a comprehensive characterization of each star. We then evaluate the presence of planetary signals in the RV time series using the Bayesian inference tool kima. Finally, we design an observing strategy aimed at mitigating the impact of pulsations on e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.09072","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.09072/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-09T02:07:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8MsonHyd+B99U1Jv3KBxjUZl7FnWdZWPOpg+w5NMECWTSskl3ud5NzGYPNRd7aWeK4h9FIYAqDp9YC01alD8Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T06:25:45.987999Z"},"content_sha256":"151d9255f35991de8021c7bec3328527ad3360c86489312115677b6609fb67e1","schema_version":"1.0","event_id":"sha256:151d9255f35991de8021c7bec3328527ad3360c86489312115677b6609fb67e1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KRH6YQWS2QK3MVWVKL2GZWRF5Z/bundle.json","state_url":"https://pith.science/pith/KRH6YQWS2QK3MVWVKL2GZWRF5Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KRH6YQWS2QK3MVWVKL2GZWRF5Z/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-10T06:25:45Z","links":{"resolver":"https://pith.science/pith/KRH6YQWS2QK3MVWVKL2GZWRF5Z","bundle":"https://pith.science/pith/KRH6YQWS2QK3MVWVKL2GZWRF5Z/bundle.json","state":"https://pith.science/pith/KRH6YQWS2QK3MVWVKL2GZWRF5Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KRH6YQWS2QK3MVWVKL2GZWRF5Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:KRH6YQWS2QK3MVWVKL2GZWRF5Z","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":"48a3afd0ae52e214cc6d30f97670820d2e1b8312ccfb20c6560d0648d739ec67","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-08T06:14:52Z","title_canon_sha256":"df405ffb7d82acd1930cc666f5b9f7f03d1c3453d4c1d248cefc2fd178fa7281"},"schema_version":"1.0","source":{"id":"2606.09072","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.09072","created_at":"2026-06-09T02:07:57Z"},{"alias_kind":"arxiv_version","alias_value":"2606.09072v1","created_at":"2026-06-09T02:07:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.09072","created_at":"2026-06-09T02:07:57Z"},{"alias_kind":"pith_short_12","alias_value":"KRH6YQWS2QK3","created_at":"2026-06-09T02:07:57Z"},{"alias_kind":"pith_short_16","alias_value":"KRH6YQWS2QK3MVWV","created_at":"2026-06-09T02:07:57Z"},{"alias_kind":"pith_short_8","alias_value":"KRH6YQWS","created_at":"2026-06-09T02:07:57Z"}],"graph_snapshots":[{"event_id":"sha256:151d9255f35991de8021c7bec3328527ad3360c86489312115677b6609fb67e1","target":"graph","created_at":"2026-06-09T02:07:57Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.09072/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Aims. We expand the planetary census around massive stellar hosts through a long-term campaign of high-precision radial velocity (RV) measurements on evolved stars.\n  Methods. We analyse data acquired with the CORALIE spectrograph covering 15-18 years on HD125136, HD127195, and HD220218. Stellar parameters are derived through different methods for a comprehensive characterization of each star. We then evaluate the presence of planetary signals in the RV time series using the Bayesian inference tool kima. Finally, we design an observing strategy aimed at mitigating the impact of pulsations on e","authors_text":"2), (2) Observatoire Astronomique de l Universit\\'e de Gen\\`eve, (3) Instituut voor Sterrenkunde, (4) Space sciences, 5), (5) Astrobiology Research Unit, 6), (6) European Southern Observatory, A. Leleu (2), Astrophysics Research (STAR) Institute, Chile), D. S\\'egransan (2), E. Fontanet (2), E. Friden (2), G. Ottoni (2), J. P. Faria (2), KU Leuven, M. Esseldeurs (3), M. Stalport (4, P. Figueira (1, R. Luque (1), S. Tavella (2, S. Udry (2) ((1) Instituto de Astrof\\'isica de Andaluc\\'ia-CSIC, Technologies, Universit\\'e de Li\\`ege","cross_cats":["astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-08T06:14:52Z","title":"CORALIE radial-velocity search for companions around evolved stars (CASCADES) V. Three planetary companions and achievable precision"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.09072","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":"sha256:619f993a3ef9be81e81a73ee3ba96e4bb5ded102e595c80c9280ef0f1a8a0519","target":"record","created_at":"2026-06-09T02:07:57Z","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":"48a3afd0ae52e214cc6d30f97670820d2e1b8312ccfb20c6560d0648d739ec67","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-08T06:14:52Z","title_canon_sha256":"df405ffb7d82acd1930cc666f5b9f7f03d1c3453d4c1d248cefc2fd178fa7281"},"schema_version":"1.0","source":{"id":"2606.09072","kind":"arxiv","version":1}},"canonical_sha256":"544fec42d2d415b656d552f46cda25ee6a925e3906f83e8d0944e1e5134a7e0b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"544fec42d2d415b656d552f46cda25ee6a925e3906f83e8d0944e1e5134a7e0b","first_computed_at":"2026-06-09T02:07:57.118296Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-09T02:07:57.118296Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1uzymUwx5x+9PBS6lGN4erz0ncHOyC0hiNnPMQj4ZlAKX+dY89R18x7TZvSP/5WiAndwWQuj73oBoAAgfURVCw==","signature_status":"signed_v1","signed_at":"2026-06-09T02:07:57.119195Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.09072","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:619f993a3ef9be81e81a73ee3ba96e4bb5ded102e595c80c9280ef0f1a8a0519","sha256:151d9255f35991de8021c7bec3328527ad3360c86489312115677b6609fb67e1"],"state_sha256":"6437231e5a608e38528847d8f0db2433212cff6e1bd34904249f962ea57c9efe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mhqGjXgnPaW+xkNuwcltSfAgmBS64uSIJAKfyzRguIL9xbYcEBGdJ7gwqn9vpcmVdNbrIAbE1Vyw7UWTwr2EAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T06:25:45.992767Z","bundle_sha256":"700c4791449d0ec22fc35321e1ba42c20418979981031d081c33a349abcb261c"}}