{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:YG6EF64FW2WYGJ6H4TFMSSU7U4","short_pith_number":"pith:YG6EF64F","schema_version":"1.0","canonical_sha256":"c1bc42fb85b6ad8327c7e4cac94a9fa72776a2bbbbbf1cd9a0459446b589ce5e","source":{"kind":"arxiv","id":"0910.3394","version":1},"attestation_state":"computed","paper":{"title":"Kinematics of Tycho-2 Red Giant Clump Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A.S. Stepanishchev, A.T. Bajkova, G.A. Gontcharov, V.V. Bobylev","submitted_at":"2009-10-18T18:02:30Z","abstract_excerpt":"Based on the Ogorodnikov-Milne model, we analyze the proper motions of 95 633 red giant clump (RGC) stars from the Tycho-2 Catalogue. The following Oort constants have been found: A = 15.9+-0.2 km/s/kpc and B = -12.0+-0.2 km/s/kpc. Using 3632 RGC stars with known proper motions, radial velocities, and photometric distances, we show that, apart from the star centroid velocity components relative to the Sun, only the model parameters that describe the stellar motions in the XY plane differ significantly from zero. We have studied the contraction (a negative K-effect) of the system of RGC stars a"},"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":"0910.3394","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-18T18:02:30Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"b8ab8026b002f9850fb595db88a7739a52a939bf696a78975e113b68be769990","abstract_canon_sha256":"4c1267bc2616104b7d47239a5c11886f2121bbb6fd5f8657b3cda37caa79e496"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:18.412711Z","signature_b64":"fR/nlE/BELjc18Hp7GsMYRBeStQijsR0phSEkWqOvLSG39QCkHSvA9UdGCBTb3XS79jJ+P0xOX7JTbYOMua/Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c1bc42fb85b6ad8327c7e4cac94a9fa72776a2bbbbbf1cd9a0459446b589ce5e","last_reissued_at":"2026-05-18T02:34:18.412236Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:18.412236Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Kinematics of Tycho-2 Red Giant Clump Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A.S. Stepanishchev, A.T. Bajkova, G.A. Gontcharov, V.V. Bobylev","submitted_at":"2009-10-18T18:02:30Z","abstract_excerpt":"Based on the Ogorodnikov-Milne model, we analyze the proper motions of 95 633 red giant clump (RGC) stars from the Tycho-2 Catalogue. The following Oort constants have been found: A = 15.9+-0.2 km/s/kpc and B = -12.0+-0.2 km/s/kpc. Using 3632 RGC stars with known proper motions, radial velocities, and photometric distances, we show that, apart from the star centroid velocity components relative to the Sun, only the model parameters that describe the stellar motions in the XY plane differ significantly from zero. We have studied the contraction (a negative K-effect) of the system of RGC stars a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.3394","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":""},"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":"0910.3394","created_at":"2026-05-18T02:34:18.412304+00:00"},{"alias_kind":"arxiv_version","alias_value":"0910.3394v1","created_at":"2026-05-18T02:34:18.412304+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.3394","created_at":"2026-05-18T02:34:18.412304+00:00"},{"alias_kind":"pith_short_12","alias_value":"YG6EF64FW2WY","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_16","alias_value":"YG6EF64FW2WYGJ6H","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_8","alias_value":"YG6EF64F","created_at":"2026-05-18T12:26:02.257875+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/YG6EF64FW2WYGJ6H4TFMSSU7U4","json":"https://pith.science/pith/YG6EF64FW2WYGJ6H4TFMSSU7U4.json","graph_json":"https://pith.science/api/pith-number/YG6EF64FW2WYGJ6H4TFMSSU7U4/graph.json","events_json":"https://pith.science/api/pith-number/YG6EF64FW2WYGJ6H4TFMSSU7U4/events.json","paper":"https://pith.science/paper/YG6EF64F"},"agent_actions":{"view_html":"https://pith.science/pith/YG6EF64FW2WYGJ6H4TFMSSU7U4","download_json":"https://pith.science/pith/YG6EF64FW2WYGJ6H4TFMSSU7U4.json","view_paper":"https://pith.science/paper/YG6EF64F","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0910.3394&json=true","fetch_graph":"https://pith.science/api/pith-number/YG6EF64FW2WYGJ6H4TFMSSU7U4/graph.json","fetch_events":"https://pith.science/api/pith-number/YG6EF64FW2WYGJ6H4TFMSSU7U4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YG6EF64FW2WYGJ6H4TFMSSU7U4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YG6EF64FW2WYGJ6H4TFMSSU7U4/action/storage_attestation","attest_author":"https://pith.science/pith/YG6EF64FW2WYGJ6H4TFMSSU7U4/action/author_attestation","sign_citation":"https://pith.science/pith/YG6EF64FW2WYGJ6H4TFMSSU7U4/action/citation_signature","submit_replication":"https://pith.science/pith/YG6EF64FW2WYGJ6H4TFMSSU7U4/action/replication_record"}},"created_at":"2026-05-18T02:34:18.412304+00:00","updated_at":"2026-05-18T02:34:18.412304+00:00"}