{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:FNBOICPCRO6SEYXKCKOVRXAOKF","short_pith_number":"pith:FNBOICPC","schema_version":"1.0","canonical_sha256":"2b42e409e28bbd2262ea129d58dc0e515d337b11499fc90dbbaffe75cafcdee3","source":{"kind":"arxiv","id":"1310.1087","version":1},"attestation_state":"computed","paper":{"title":"Near-infrared Metallicities, Radial Velocities and Spectral Types for 447 Nearby M Dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Barbara Rojas-Ayala, David Charbonneau, Elisabeth R. Newton, James P. Lloyd, Jonathan Irwin, Kevin Covey, Zachory K. Berta-Thompson","submitted_at":"2013-10-03T20:00:02Z","abstract_excerpt":"We present metallicities, radial velocities and near-infrared spectral types for 447 M dwarfs determined from moderate resolution (R~2000) near-infrared (NIR) spectra obtained with IRTF/SpeX. These M dwarfs are targets of the MEarth Survey, a transiting planet survey searching for super Earths around mid-to-late M dwarfs within 33pc. We present NIR spectral types and new IRTF spectral templates in the Z, J, H and K-bands, created using M dwarfs with near-solar metallicities. We developed two spectroscopic distance calibrations that use NIR spectral type or an index based on the curvature of th"},"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":"1310.1087","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-03T20:00:02Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"c7ea71e1947edb00b6d838a7439624df8b56f9bfd5e9dfd8b121d4225c73a430","abstract_canon_sha256":"2a0d157605bf4b604693cc3d7fdffa5545ad5b2679b6dda3f1821ffee6ae8ff2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:15.668120Z","signature_b64":"qT+3HxHGRH59Nu4Y8VzAsgINUa1yWQsTXCpnafG+PLTkrv5wMLCtcouOo84EV04Dg0MnMryTsfl8DzDG45WPBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2b42e409e28bbd2262ea129d58dc0e515d337b11499fc90dbbaffe75cafcdee3","last_reissued_at":"2026-05-18T01:47:15.667519Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:15.667519Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Near-infrared Metallicities, Radial Velocities and Spectral Types for 447 Nearby M Dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Barbara Rojas-Ayala, David Charbonneau, Elisabeth R. Newton, James P. Lloyd, Jonathan Irwin, Kevin Covey, Zachory K. Berta-Thompson","submitted_at":"2013-10-03T20:00:02Z","abstract_excerpt":"We present metallicities, radial velocities and near-infrared spectral types for 447 M dwarfs determined from moderate resolution (R~2000) near-infrared (NIR) spectra obtained with IRTF/SpeX. These M dwarfs are targets of the MEarth Survey, a transiting planet survey searching for super Earths around mid-to-late M dwarfs within 33pc. We present NIR spectral types and new IRTF spectral templates in the Z, J, H and K-bands, created using M dwarfs with near-solar metallicities. We developed two spectroscopic distance calibrations that use NIR spectral type or an index based on the curvature of th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.1087","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":"1310.1087","created_at":"2026-05-18T01:47:15.667608+00:00"},{"alias_kind":"arxiv_version","alias_value":"1310.1087v1","created_at":"2026-05-18T01:47:15.667608+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.1087","created_at":"2026-05-18T01:47:15.667608+00:00"},{"alias_kind":"pith_short_12","alias_value":"FNBOICPCRO6S","created_at":"2026-05-18T12:27:45.050594+00:00"},{"alias_kind":"pith_short_16","alias_value":"FNBOICPCRO6SEYXK","created_at":"2026-05-18T12:27:45.050594+00:00"},{"alias_kind":"pith_short_8","alias_value":"FNBOICPC","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/FNBOICPCRO6SEYXKCKOVRXAOKF","json":"https://pith.science/pith/FNBOICPCRO6SEYXKCKOVRXAOKF.json","graph_json":"https://pith.science/api/pith-number/FNBOICPCRO6SEYXKCKOVRXAOKF/graph.json","events_json":"https://pith.science/api/pith-number/FNBOICPCRO6SEYXKCKOVRXAOKF/events.json","paper":"https://pith.science/paper/FNBOICPC"},"agent_actions":{"view_html":"https://pith.science/pith/FNBOICPCRO6SEYXKCKOVRXAOKF","download_json":"https://pith.science/pith/FNBOICPCRO6SEYXKCKOVRXAOKF.json","view_paper":"https://pith.science/paper/FNBOICPC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1310.1087&json=true","fetch_graph":"https://pith.science/api/pith-number/FNBOICPCRO6SEYXKCKOVRXAOKF/graph.json","fetch_events":"https://pith.science/api/pith-number/FNBOICPCRO6SEYXKCKOVRXAOKF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FNBOICPCRO6SEYXKCKOVRXAOKF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FNBOICPCRO6SEYXKCKOVRXAOKF/action/storage_attestation","attest_author":"https://pith.science/pith/FNBOICPCRO6SEYXKCKOVRXAOKF/action/author_attestation","sign_citation":"https://pith.science/pith/FNBOICPCRO6SEYXKCKOVRXAOKF/action/citation_signature","submit_replication":"https://pith.science/pith/FNBOICPCRO6SEYXKCKOVRXAOKF/action/replication_record"}},"created_at":"2026-05-18T01:47:15.667608+00:00","updated_at":"2026-05-18T01:47:15.667608+00:00"}