{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:EUXDDSLRXL45CZJZD2M3ALBWO3","short_pith_number":"pith:EUXDDSLR","schema_version":"1.0","canonical_sha256":"252e31c971baf9d165391e99b02c3676e827025282f3fdcac1917f6da4e05626","source":{"kind":"arxiv","id":"0908.3899","version":1},"attestation_state":"computed","paper":{"title":"M31 Globular Cluster Abundances from High-Resolution, Integrated-Light Spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"2), (2) UCO/Lick Observatory, (3) Carnegie Observatories, (4) Caltech), A. McWilliam (3), Ann Arbor, J. E. Colucci (1, J. G. Cohen (4) ((1) U. of Michigan, R. A. Bernstein (2), S. Cameron (1), UC Santa Cruz","submitted_at":"2009-08-26T20:27:36Z","abstract_excerpt":"We report the first detailed chemical abundances for 5 globular clusters (GCs) in M31 from high-resolution (R ~ 25,000) spectroscopy of their integrated light. These GCs are the first in a larger set of clusters observed as part of an ongoing project to study the formation history of M31 and its globular cluster population. The data presented here were obtained with the HIRES echelle spectrograph on the Keck I telescope, and are analyzed using a new integrated light spectra analysis method that we have developed. In these clusters, we measure abundances for Mg, Al, Si, Ca, Sc, Ti, V, Cr, Mn, F"},"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":"0908.3899","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-08-26T20:27:36Z","cross_cats_sorted":[],"title_canon_sha256":"99d725766aece0dcbbd8b1601a56abe34f7f00003c37981fe737afaa0a761744","abstract_canon_sha256":"79831de45d0114ce94d2f4f1ae1bd90a3a64e9087f32aa66652b7d7fdfa2fea9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:12:22.507399Z","signature_b64":"Mv/CUNLvUWCGwM6KVjyhSNgmfPT87AW6l+fJZgKDG4yTNy4eMNMsd//byxv1wUvRWAExSG8PByE8QX7ic0CBAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"252e31c971baf9d165391e99b02c3676e827025282f3fdcac1917f6da4e05626","last_reissued_at":"2026-05-18T02:12:22.506641Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:12:22.506641Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"M31 Globular Cluster Abundances from High-Resolution, Integrated-Light Spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"2), (2) UCO/Lick Observatory, (3) Carnegie Observatories, (4) Caltech), A. McWilliam (3), Ann Arbor, J. E. Colucci (1, J. G. Cohen (4) ((1) U. of Michigan, R. A. Bernstein (2), S. Cameron (1), UC Santa Cruz","submitted_at":"2009-08-26T20:27:36Z","abstract_excerpt":"We report the first detailed chemical abundances for 5 globular clusters (GCs) in M31 from high-resolution (R ~ 25,000) spectroscopy of their integrated light. These GCs are the first in a larger set of clusters observed as part of an ongoing project to study the formation history of M31 and its globular cluster population. The data presented here were obtained with the HIRES echelle spectrograph on the Keck I telescope, and are analyzed using a new integrated light spectra analysis method that we have developed. In these clusters, we measure abundances for Mg, Al, Si, Ca, Sc, Ti, V, Cr, Mn, F"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.3899","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":"0908.3899","created_at":"2026-05-18T02:12:22.506764+00:00"},{"alias_kind":"arxiv_version","alias_value":"0908.3899v1","created_at":"2026-05-18T02:12:22.506764+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.3899","created_at":"2026-05-18T02:12:22.506764+00:00"},{"alias_kind":"pith_short_12","alias_value":"EUXDDSLRXL45","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_16","alias_value":"EUXDDSLRXL45CZJZ","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_8","alias_value":"EUXDDSLR","created_at":"2026-05-18T12:25:59.703012+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/EUXDDSLRXL45CZJZD2M3ALBWO3","json":"https://pith.science/pith/EUXDDSLRXL45CZJZD2M3ALBWO3.json","graph_json":"https://pith.science/api/pith-number/EUXDDSLRXL45CZJZD2M3ALBWO3/graph.json","events_json":"https://pith.science/api/pith-number/EUXDDSLRXL45CZJZD2M3ALBWO3/events.json","paper":"https://pith.science/paper/EUXDDSLR"},"agent_actions":{"view_html":"https://pith.science/pith/EUXDDSLRXL45CZJZD2M3ALBWO3","download_json":"https://pith.science/pith/EUXDDSLRXL45CZJZD2M3ALBWO3.json","view_paper":"https://pith.science/paper/EUXDDSLR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0908.3899&json=true","fetch_graph":"https://pith.science/api/pith-number/EUXDDSLRXL45CZJZD2M3ALBWO3/graph.json","fetch_events":"https://pith.science/api/pith-number/EUXDDSLRXL45CZJZD2M3ALBWO3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EUXDDSLRXL45CZJZD2M3ALBWO3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EUXDDSLRXL45CZJZD2M3ALBWO3/action/storage_attestation","attest_author":"https://pith.science/pith/EUXDDSLRXL45CZJZD2M3ALBWO3/action/author_attestation","sign_citation":"https://pith.science/pith/EUXDDSLRXL45CZJZD2M3ALBWO3/action/citation_signature","submit_replication":"https://pith.science/pith/EUXDDSLRXL45CZJZD2M3ALBWO3/action/replication_record"}},"created_at":"2026-05-18T02:12:22.506764+00:00","updated_at":"2026-05-18T02:12:22.506764+00:00"}