{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:3VFMMJZBR3JAEDZYREEKXTJ6ZX","short_pith_number":"pith:3VFMMJZB","schema_version":"1.0","canonical_sha256":"dd4ac627218ed2020f388908abcd3ecdff4ac2a882adc044bcfcdd4d2df68379","source":{"kind":"arxiv","id":"1509.01590","version":1},"attestation_state":"computed","paper":{"title":"An Activity-Rotation Relationship and Kinematic Analysis of Nearby Mid-to-Late-type M Dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Andrew A. West, David Charbonneau, Jason Dittmann, Jonathan Irwin, J. Sebastian Pineda, Kolby L. Weisenburger, Zachory K. Berta-Thompson","submitted_at":"2015-09-04T20:05:33Z","abstract_excerpt":"Using spectroscopic observations and photometric light curves of 238 nearby M dwarfs from the MEarth exoplanet transit survey, we examine the relationships between magnetic activity (quantified by H-alpha emission), rotation period, and stellar age. Previous attempts to investigate the relationship between magnetic activity and rotation in these stars were hampered by the limited number of M dwarfs with measured rotation periods (and the fact that vsini measurements probe only rapid rotation). However, the photometric data from MEarth allows us to probe a wide range of rotation periods for hun"},"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":"1509.01590","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-09-04T20:05:33Z","cross_cats_sorted":[],"title_canon_sha256":"2dc325077b3ddfdac9cf0d1c1799f89a999755bc13c9c460ed1f4450388a0983","abstract_canon_sha256":"734d6dcdacbefa635737fa397c40507c94f73d32db553ca327e442eab3d63a61"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:18.008207Z","signature_b64":"M7u/iEAcMGIXv4HsY8nYngEJTOEE3JBiIwUV0x+tVKDgcsQ0/mnEnQFKZ9HK/ds/AHaps9gNeSILVEgRKM+2Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd4ac627218ed2020f388908abcd3ecdff4ac2a882adc044bcfcdd4d2df68379","last_reissued_at":"2026-05-18T01:30:18.007703Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:18.007703Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An Activity-Rotation Relationship and Kinematic Analysis of Nearby Mid-to-Late-type M Dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Andrew A. West, David Charbonneau, Jason Dittmann, Jonathan Irwin, J. Sebastian Pineda, Kolby L. Weisenburger, Zachory K. Berta-Thompson","submitted_at":"2015-09-04T20:05:33Z","abstract_excerpt":"Using spectroscopic observations and photometric light curves of 238 nearby M dwarfs from the MEarth exoplanet transit survey, we examine the relationships between magnetic activity (quantified by H-alpha emission), rotation period, and stellar age. Previous attempts to investigate the relationship between magnetic activity and rotation in these stars were hampered by the limited number of M dwarfs with measured rotation periods (and the fact that vsini measurements probe only rapid rotation). However, the photometric data from MEarth allows us to probe a wide range of rotation periods for hun"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.01590","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":"1509.01590","created_at":"2026-05-18T01:30:18.007783+00:00"},{"alias_kind":"arxiv_version","alias_value":"1509.01590v1","created_at":"2026-05-18T01:30:18.007783+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.01590","created_at":"2026-05-18T01:30:18.007783+00:00"},{"alias_kind":"pith_short_12","alias_value":"3VFMMJZBR3JA","created_at":"2026-05-18T12:29:02.477457+00:00"},{"alias_kind":"pith_short_16","alias_value":"3VFMMJZBR3JAEDZY","created_at":"2026-05-18T12:29:02.477457+00:00"},{"alias_kind":"pith_short_8","alias_value":"3VFMMJZB","created_at":"2026-05-18T12:29:02.477457+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/3VFMMJZBR3JAEDZYREEKXTJ6ZX","json":"https://pith.science/pith/3VFMMJZBR3JAEDZYREEKXTJ6ZX.json","graph_json":"https://pith.science/api/pith-number/3VFMMJZBR3JAEDZYREEKXTJ6ZX/graph.json","events_json":"https://pith.science/api/pith-number/3VFMMJZBR3JAEDZYREEKXTJ6ZX/events.json","paper":"https://pith.science/paper/3VFMMJZB"},"agent_actions":{"view_html":"https://pith.science/pith/3VFMMJZBR3JAEDZYREEKXTJ6ZX","download_json":"https://pith.science/pith/3VFMMJZBR3JAEDZYREEKXTJ6ZX.json","view_paper":"https://pith.science/paper/3VFMMJZB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1509.01590&json=true","fetch_graph":"https://pith.science/api/pith-number/3VFMMJZBR3JAEDZYREEKXTJ6ZX/graph.json","fetch_events":"https://pith.science/api/pith-number/3VFMMJZBR3JAEDZYREEKXTJ6ZX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3VFMMJZBR3JAEDZYREEKXTJ6ZX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3VFMMJZBR3JAEDZYREEKXTJ6ZX/action/storage_attestation","attest_author":"https://pith.science/pith/3VFMMJZBR3JAEDZYREEKXTJ6ZX/action/author_attestation","sign_citation":"https://pith.science/pith/3VFMMJZBR3JAEDZYREEKXTJ6ZX/action/citation_signature","submit_replication":"https://pith.science/pith/3VFMMJZBR3JAEDZYREEKXTJ6ZX/action/replication_record"}},"created_at":"2026-05-18T01:30:18.007783+00:00","updated_at":"2026-05-18T01:30:18.007783+00:00"}