{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:G3DSWZDVSHX3U4QBTUOEOWHS7U","short_pith_number":"pith:G3DSWZDV","schema_version":"1.0","canonical_sha256":"36c72b647591efba72019d1c4758f2fd20b5e3c203dd66fd7e6ee7f33590aad0","source":{"kind":"arxiv","id":"1309.1378","version":1},"attestation_state":"computed","paper":{"title":"Surface differential rotation of IL Hya from time-series Doppler images","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"J\\'anos Bartus, Katalin Ol\\'ah, Klaus G. Strassmeier, Kriszti\\'an Vida, Levente Kriskovics, Michael Weber, Zsolt K\\H{o}v\\'ari","submitted_at":"2013-09-05T15:36:59Z","abstract_excerpt":"We present a time-series Doppler imaging study of the K-subgiant component in the RS CVn-type binary system IL Hya (P orb=12.905 d). From re-processing the unique long-term spectroscopic dataset of 70 days taken in 1996/97, we perform a thorough cross-correlation analysis to derive surface differential rotation. As a result we get solar-type differential rotation with a shear value alpha of 0.05, in agreement with preliminary suggestions from previous attempts. A possible surface pattern of meridional circulation is also detected."},"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":"1309.1378","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-09-05T15:36:59Z","cross_cats_sorted":[],"title_canon_sha256":"e4f7ee05f41057f61306a542eea1f312b89fe6ecd276db52218a9492b61e94aa","abstract_canon_sha256":"cf8eb48b5ec0ec415bad70fc6340dfb1f961cbef18cbd8a1e626f2d90daf06d2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:49.407471Z","signature_b64":"SpK974I5O5DNtFyhf8CO/XnUvp7lnlXZqt0SNb4Hd3tb77iNuxzFo05M2YzhNVxg6gxoOcxgao4uVAp2gUPDAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"36c72b647591efba72019d1c4758f2fd20b5e3c203dd66fd7e6ee7f33590aad0","last_reissued_at":"2026-05-18T01:47:49.406950Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:49.406950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Surface differential rotation of IL Hya from time-series Doppler images","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"J\\'anos Bartus, Katalin Ol\\'ah, Klaus G. Strassmeier, Kriszti\\'an Vida, Levente Kriskovics, Michael Weber, Zsolt K\\H{o}v\\'ari","submitted_at":"2013-09-05T15:36:59Z","abstract_excerpt":"We present a time-series Doppler imaging study of the K-subgiant component in the RS CVn-type binary system IL Hya (P orb=12.905 d). From re-processing the unique long-term spectroscopic dataset of 70 days taken in 1996/97, we perform a thorough cross-correlation analysis to derive surface differential rotation. As a result we get solar-type differential rotation with a shear value alpha of 0.05, in agreement with preliminary suggestions from previous attempts. A possible surface pattern of meridional circulation is also detected."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.1378","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":"1309.1378","created_at":"2026-05-18T01:47:49.407026+00:00"},{"alias_kind":"arxiv_version","alias_value":"1309.1378v1","created_at":"2026-05-18T01:47:49.407026+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.1378","created_at":"2026-05-18T01:47:49.407026+00:00"},{"alias_kind":"pith_short_12","alias_value":"G3DSWZDVSHX3","created_at":"2026-05-18T12:27:45.050594+00:00"},{"alias_kind":"pith_short_16","alias_value":"G3DSWZDVSHX3U4QB","created_at":"2026-05-18T12:27:45.050594+00:00"},{"alias_kind":"pith_short_8","alias_value":"G3DSWZDV","created_at":"2026-05-18T12:27:45.050594+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/G3DSWZDVSHX3U4QBTUOEOWHS7U","json":"https://pith.science/pith/G3DSWZDVSHX3U4QBTUOEOWHS7U.json","graph_json":"https://pith.science/api/pith-number/G3DSWZDVSHX3U4QBTUOEOWHS7U/graph.json","events_json":"https://pith.science/api/pith-number/G3DSWZDVSHX3U4QBTUOEOWHS7U/events.json","paper":"https://pith.science/paper/G3DSWZDV"},"agent_actions":{"view_html":"https://pith.science/pith/G3DSWZDVSHX3U4QBTUOEOWHS7U","download_json":"https://pith.science/pith/G3DSWZDVSHX3U4QBTUOEOWHS7U.json","view_paper":"https://pith.science/paper/G3DSWZDV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1309.1378&json=true","fetch_graph":"https://pith.science/api/pith-number/G3DSWZDVSHX3U4QBTUOEOWHS7U/graph.json","fetch_events":"https://pith.science/api/pith-number/G3DSWZDVSHX3U4QBTUOEOWHS7U/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/G3DSWZDVSHX3U4QBTUOEOWHS7U/action/timestamp_anchor","attest_storage":"https://pith.science/pith/G3DSWZDVSHX3U4QBTUOEOWHS7U/action/storage_attestation","attest_author":"https://pith.science/pith/G3DSWZDVSHX3U4QBTUOEOWHS7U/action/author_attestation","sign_citation":"https://pith.science/pith/G3DSWZDVSHX3U4QBTUOEOWHS7U/action/citation_signature","submit_replication":"https://pith.science/pith/G3DSWZDVSHX3U4QBTUOEOWHS7U/action/replication_record"}},"created_at":"2026-05-18T01:47:49.407026+00:00","updated_at":"2026-05-18T01:47:49.407026+00:00"}