{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:FI2VZXON6Q5RBA3424X35NWTO7","short_pith_number":"pith:FI2VZXON","schema_version":"1.0","canonical_sha256":"2a355cddcdf43b10837cd72fbeb6d377f30535ea04eacfeeed27fdd6c8a8e41c","source":{"kind":"arxiv","id":"2203.13275","version":2},"attestation_state":"computed","paper":{"title":"The Dependence of Theoretical Synthetic Spectra on $\\alpha$-enhancement in Young, Binary Stellar Populations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"C. M. Byrne, E. R. Stanway, J. J. Eldridge, L. McSwiney, O. T. Townsend","submitted_at":"2022-03-24T18:01:14Z","abstract_excerpt":"The enhancement of $\\alpha$ elements such as oxygen is an important phase in the chemical evolution of the early Universe, with nebular material becoming enriched in these elements sooner than iron. Here we present models which incorporate stellar spectra with $\\alpha$-enhanced compositions, focusing on the impact on the integrated light of young stellar populations, including those with large binary star fractions using the Binary Populations and Spectral Synthesis (BPASS) framework, while using Solar-scaled stellar evolution models. We find that broad spectrum outputs such as production of i"},"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":"2203.13275","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-03-24T18:01:14Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"fadf01f7c2ddfb46866e5e32a0b8fcb5e3c478ecded8aee3ca0f887343d4e85e","abstract_canon_sha256":"6845c623163ffe1d11e7ff2a61d6a18329fbbf0171e6d9fbe243c8d412bb9f00"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:12:29.422249Z","signature_b64":"HDnLBPwS5C4lIDj8RhEiMNQArq0yFf1CR3ZBIph/xdEh87jwyTdn2m9bFU9qbdTDbS6JoIC7vF6T4UulhB/QBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2a355cddcdf43b10837cd72fbeb6d377f30535ea04eacfeeed27fdd6c8a8e41c","last_reissued_at":"2026-07-05T04:12:29.421797Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:12:29.421797Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Dependence of Theoretical Synthetic Spectra on $\\alpha$-enhancement in Young, Binary Stellar Populations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"C. M. Byrne, E. R. Stanway, J. J. Eldridge, L. McSwiney, O. T. Townsend","submitted_at":"2022-03-24T18:01:14Z","abstract_excerpt":"The enhancement of $\\alpha$ elements such as oxygen is an important phase in the chemical evolution of the early Universe, with nebular material becoming enriched in these elements sooner than iron. Here we present models which incorporate stellar spectra with $\\alpha$-enhanced compositions, focusing on the impact on the integrated light of young stellar populations, including those with large binary star fractions using the Binary Populations and Spectral Synthesis (BPASS) framework, while using Solar-scaled stellar evolution models. We find that broad spectrum outputs such as production of i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.13275","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2203.13275/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2203.13275","created_at":"2026-07-05T04:12:29.421855+00:00"},{"alias_kind":"arxiv_version","alias_value":"2203.13275v2","created_at":"2026-07-05T04:12:29.421855+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.13275","created_at":"2026-07-05T04:12:29.421855+00:00"},{"alias_kind":"pith_short_12","alias_value":"FI2VZXON6Q5R","created_at":"2026-07-05T04:12:29.421855+00:00"},{"alias_kind":"pith_short_16","alias_value":"FI2VZXON6Q5RBA34","created_at":"2026-07-05T04:12:29.421855+00:00"},{"alias_kind":"pith_short_8","alias_value":"FI2VZXON","created_at":"2026-07-05T04:12:29.421855+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/FI2VZXON6Q5RBA3424X35NWTO7","json":"https://pith.science/pith/FI2VZXON6Q5RBA3424X35NWTO7.json","graph_json":"https://pith.science/api/pith-number/FI2VZXON6Q5RBA3424X35NWTO7/graph.json","events_json":"https://pith.science/api/pith-number/FI2VZXON6Q5RBA3424X35NWTO7/events.json","paper":"https://pith.science/paper/FI2VZXON"},"agent_actions":{"view_html":"https://pith.science/pith/FI2VZXON6Q5RBA3424X35NWTO7","download_json":"https://pith.science/pith/FI2VZXON6Q5RBA3424X35NWTO7.json","view_paper":"https://pith.science/paper/FI2VZXON","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2203.13275&json=true","fetch_graph":"https://pith.science/api/pith-number/FI2VZXON6Q5RBA3424X35NWTO7/graph.json","fetch_events":"https://pith.science/api/pith-number/FI2VZXON6Q5RBA3424X35NWTO7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FI2VZXON6Q5RBA3424X35NWTO7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FI2VZXON6Q5RBA3424X35NWTO7/action/storage_attestation","attest_author":"https://pith.science/pith/FI2VZXON6Q5RBA3424X35NWTO7/action/author_attestation","sign_citation":"https://pith.science/pith/FI2VZXON6Q5RBA3424X35NWTO7/action/citation_signature","submit_replication":"https://pith.science/pith/FI2VZXON6Q5RBA3424X35NWTO7/action/replication_record"}},"created_at":"2026-07-05T04:12:29.421855+00:00","updated_at":"2026-07-05T04:12:29.421855+00:00"}