{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:GCB5OIDV5XPX7AOWXV27FI4SZN","short_pith_number":"pith:GCB5OIDV","schema_version":"1.0","canonical_sha256":"3083d72075eddf7f81d6bd75f2a392cb59715cd5d22907264cef541d154fc1c8","source":{"kind":"arxiv","id":"0901.0934","version":2},"attestation_state":"computed","paper":{"title":"Spectroscopic binaries among Hipparcos M giants I. Data, orbits, and intrinsic variations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Frankowski, A. Jorissen, B. Famaey, D. Pourbaix, M. Mayor, S. Udry, S. Van Eck","submitted_at":"2009-01-07T21:24:21Z","abstract_excerpt":"This paper is a follow-up of the vast effort to collect radial velocity data for stars belonging to the Hipparcos survey. We aim at extending the orbital data available for binaries with M giant primaries. The data will be used in the companion papers of this series to (i) derive the binary frequency among M giants and compare it to that of K giants (Paper II), and (ii) analyse the eccentricity-period diagram and the mass-function distribution (Paper III). Keplerian solutions are fitted to radial-velocity data. However, for several stars, no satisfactory solution could be found, despite the fa"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0901.0934","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-01-07T21:24:21Z","cross_cats_sorted":[],"title_canon_sha256":"9da7d27793665be83c90c244764a725686140019eea668f73f2b22ce67bb6465","abstract_canon_sha256":"61905f890b4b3412fa699bf46994a49a5cff79dc077505c0615174e6ae385655"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:03.018920Z","signature_b64":"fm4deqweHlUWV9yc4oC5nyEcnj5YYHrBtrSohk9zWxIM6mqSCi/aMR8boq663egVVVJyT5hCa9gdjshngYGoAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3083d72075eddf7f81d6bd75f2a392cb59715cd5d22907264cef541d154fc1c8","last_reissued_at":"2026-05-18T02:15:03.018488Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:03.018488Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectroscopic binaries among Hipparcos M giants I. Data, orbits, and intrinsic variations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Frankowski, A. Jorissen, B. Famaey, D. Pourbaix, M. Mayor, S. Udry, S. Van Eck","submitted_at":"2009-01-07T21:24:21Z","abstract_excerpt":"This paper is a follow-up of the vast effort to collect radial velocity data for stars belonging to the Hipparcos survey. We aim at extending the orbital data available for binaries with M giant primaries. The data will be used in the companion papers of this series to (i) derive the binary frequency among M giants and compare it to that of K giants (Paper II), and (ii) analyse the eccentricity-period diagram and the mass-function distribution (Paper III). Keplerian solutions are fitted to radial-velocity data. However, for several stars, no satisfactory solution could be found, despite the fa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.0934","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0901.0934","created_at":"2026-05-18T02:15:03.018556+00:00"},{"alias_kind":"arxiv_version","alias_value":"0901.0934v2","created_at":"2026-05-18T02:15:03.018556+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.0934","created_at":"2026-05-18T02:15:03.018556+00:00"},{"alias_kind":"pith_short_12","alias_value":"GCB5OIDV5XPX","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_16","alias_value":"GCB5OIDV5XPX7AOW","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_8","alias_value":"GCB5OIDV","created_at":"2026-05-18T12:25:59.703012+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/GCB5OIDV5XPX7AOWXV27FI4SZN","json":"https://pith.science/pith/GCB5OIDV5XPX7AOWXV27FI4SZN.json","graph_json":"https://pith.science/api/pith-number/GCB5OIDV5XPX7AOWXV27FI4SZN/graph.json","events_json":"https://pith.science/api/pith-number/GCB5OIDV5XPX7AOWXV27FI4SZN/events.json","paper":"https://pith.science/paper/GCB5OIDV"},"agent_actions":{"view_html":"https://pith.science/pith/GCB5OIDV5XPX7AOWXV27FI4SZN","download_json":"https://pith.science/pith/GCB5OIDV5XPX7AOWXV27FI4SZN.json","view_paper":"https://pith.science/paper/GCB5OIDV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0901.0934&json=true","fetch_graph":"https://pith.science/api/pith-number/GCB5OIDV5XPX7AOWXV27FI4SZN/graph.json","fetch_events":"https://pith.science/api/pith-number/GCB5OIDV5XPX7AOWXV27FI4SZN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GCB5OIDV5XPX7AOWXV27FI4SZN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GCB5OIDV5XPX7AOWXV27FI4SZN/action/storage_attestation","attest_author":"https://pith.science/pith/GCB5OIDV5XPX7AOWXV27FI4SZN/action/author_attestation","sign_citation":"https://pith.science/pith/GCB5OIDV5XPX7AOWXV27FI4SZN/action/citation_signature","submit_replication":"https://pith.science/pith/GCB5OIDV5XPX7AOWXV27FI4SZN/action/replication_record"}},"created_at":"2026-05-18T02:15:03.018556+00:00","updated_at":"2026-05-18T02:15:03.018556+00:00"}