{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:L7M3BO2FWMYKPZRHX6NC2UNQ4Q","short_pith_number":"pith:L7M3BO2F","schema_version":"1.0","canonical_sha256":"5fd9b0bb45b330a7e627bf9a2d51b0e40872d6dcbecbbea3521e20c138666a3e","source":{"kind":"arxiv","id":"1101.1222","version":1},"attestation_state":"computed","paper":{"title":"Stellar rotation in the Hyades and Praesepe: gyrochronology and braking timescale","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Collier Cameron, A. J. Norton, D. Pollacco, J. Rostron, L. Hebb, P. Delorme, R. G. West, T. A. Lister","submitted_at":"2011-01-06T14:28:25Z","abstract_excerpt":"We present the results of photometric surveys for stellar rotation in the Hyades and in Praesepe, using data obtained as part of the SuperWASP exoplanetary transit-search programme.We determined accurate rotation periods for more than 120 sources whose cluster membership was confirmed by common proper motion and colour-magnitude fits to the clusters' isochrones. This allowed us to determine the effect of magnetic braking on a wide range of spectral types for expected ages of ~600Myr for the Hyades and Praesepe. Both clusters show a tight and nearly linear relation between J - Ks colour and rot"},"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":"1101.1222","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-01-06T14:28:25Z","cross_cats_sorted":[],"title_canon_sha256":"5827baa1627141e3d8cfe63c97fa694d0e11abef86b2e7f2e1789c48908f5aec","abstract_canon_sha256":"a7d1a573cfde4a0f43dade82d7b63e771921592e8cc950b9ff90447f76386ff3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:12.289165Z","signature_b64":"t7sXKAtXMtaRcKGN0C8WL+TKPCgmKkxtnyxZw8OmdDd3IVAs5uFEXMFzyGifto9swaaF+dMIUBSmr3g0CVZ5DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5fd9b0bb45b330a7e627bf9a2d51b0e40872d6dcbecbbea3521e20c138666a3e","last_reissued_at":"2026-05-18T02:04:12.288432Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:12.288432Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Stellar rotation in the Hyades and Praesepe: gyrochronology and braking timescale","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Collier Cameron, A. J. Norton, D. Pollacco, J. Rostron, L. Hebb, P. Delorme, R. G. West, T. A. Lister","submitted_at":"2011-01-06T14:28:25Z","abstract_excerpt":"We present the results of photometric surveys for stellar rotation in the Hyades and in Praesepe, using data obtained as part of the SuperWASP exoplanetary transit-search programme.We determined accurate rotation periods for more than 120 sources whose cluster membership was confirmed by common proper motion and colour-magnitude fits to the clusters' isochrones. This allowed us to determine the effect of magnetic braking on a wide range of spectral types for expected ages of ~600Myr for the Hyades and Praesepe. Both clusters show a tight and nearly linear relation between J - Ks colour and rot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.1222","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":"1101.1222","created_at":"2026-05-18T02:04:12.288558+00:00"},{"alias_kind":"arxiv_version","alias_value":"1101.1222v1","created_at":"2026-05-18T02:04:12.288558+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.1222","created_at":"2026-05-18T02:04:12.288558+00:00"},{"alias_kind":"pith_short_12","alias_value":"L7M3BO2FWMYK","created_at":"2026-05-18T12:26:34.985390+00:00"},{"alias_kind":"pith_short_16","alias_value":"L7M3BO2FWMYKPZRH","created_at":"2026-05-18T12:26:34.985390+00:00"},{"alias_kind":"pith_short_8","alias_value":"L7M3BO2F","created_at":"2026-05-18T12:26:34.985390+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/L7M3BO2FWMYKPZRHX6NC2UNQ4Q","json":"https://pith.science/pith/L7M3BO2FWMYKPZRHX6NC2UNQ4Q.json","graph_json":"https://pith.science/api/pith-number/L7M3BO2FWMYKPZRHX6NC2UNQ4Q/graph.json","events_json":"https://pith.science/api/pith-number/L7M3BO2FWMYKPZRHX6NC2UNQ4Q/events.json","paper":"https://pith.science/paper/L7M3BO2F"},"agent_actions":{"view_html":"https://pith.science/pith/L7M3BO2FWMYKPZRHX6NC2UNQ4Q","download_json":"https://pith.science/pith/L7M3BO2FWMYKPZRHX6NC2UNQ4Q.json","view_paper":"https://pith.science/paper/L7M3BO2F","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1101.1222&json=true","fetch_graph":"https://pith.science/api/pith-number/L7M3BO2FWMYKPZRHX6NC2UNQ4Q/graph.json","fetch_events":"https://pith.science/api/pith-number/L7M3BO2FWMYKPZRHX6NC2UNQ4Q/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/L7M3BO2FWMYKPZRHX6NC2UNQ4Q/action/timestamp_anchor","attest_storage":"https://pith.science/pith/L7M3BO2FWMYKPZRHX6NC2UNQ4Q/action/storage_attestation","attest_author":"https://pith.science/pith/L7M3BO2FWMYKPZRHX6NC2UNQ4Q/action/author_attestation","sign_citation":"https://pith.science/pith/L7M3BO2FWMYKPZRHX6NC2UNQ4Q/action/citation_signature","submit_replication":"https://pith.science/pith/L7M3BO2FWMYKPZRHX6NC2UNQ4Q/action/replication_record"}},"created_at":"2026-05-18T02:04:12.288558+00:00","updated_at":"2026-05-18T02:04:12.288558+00:00"}