{
  "abstract": "We present an algorithm that constructs Calabi-Yau threefold orientifolds and their F-theory uplifts to elliptically-fibered Calabi-Yau fourfolds, embedded in toric varieties at codimension one and two respectively. The resulting Calabi-Yau fourfolds arise from triangulations of 6d reflexive polytopes — which our method constructs from orientifold data — and are smooth away from isolated terminal singularities. For many of our fourfolds, the construction of the mirror manifold is immediate, enabling the computation of fourfold periods, and thus the seven-brane superpotential. We present multiple examples that demonstrate these capabilities. Our algorithms work with CYTools and are available through a GitHub repository https://github.com/B-Hassfeld/Calabi-Yau-orientifolds-and-F-Theory-uplifts.",
  "abstract_shown": true,
  "affiliations": [
    "University of Wisconsin-Madison"
  ],
  "article_type": null,
  "arxiv": null,
  "author_total": 2,
  "authors": [
    {
      "affs": [
        0
      ],
      "name": "Björn Hassfeld",
      "orcid": "0000-0002-0364-3226"
    },
    {
      "affs": [
        0
      ],
      "name": "Jakob Moritz",
      "orcid": "0000-0001-8949-8084"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/4ga3gv8p5arxy.bib",
  "cited_by": 0,
  "doi": "10.1007/jhep10(2026)274",
  "fulltext_url": "https://doi.org/10.1007/JHEP10(2026)274",
  "id": "4ga3gv8p5arxy",
  "issns": [
    "1029-8479"
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  "landing_url": "https://link.springer.com/article/10.1007/JHEP10(2026)274",
  "language": "en",
  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
  "licence_source": "article",
  "licence_url": "https://creativecommons.org/licenses/by/4.0",
  "metadata_licence": null,
  "native_subjects": [
    [
      "feed-journal",
      "physics/high-energy"
    ],
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      "lcc",
      "QC770-798"
    ]
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  "pdf_url": "https://link.springer.com/content/pdf/10.1007/JHEP10(2026)274.pdf",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-01",
  "publisher": "Springer Science and Business Media LLC",
  "ris": "https://research.draconitic.com/paper/4ga3gv8p5arxy.ris",
  "sources": [
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      "first_seen": "2026-10-30T12:17:17Z",
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      "url": "https://link.springer.com/article/10.1007/JHEP10(2026)274"
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      "url": "https://doi.org/10.1007/jhep10(2026)274"
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  "subjects": [
    {
      "field": "physics",
      "origin": "feed-journal:physics/high-energy",
      "subfield": "high-energy"
    },
    {
      "field": "physics",
      "origin": "lcc:QC770-798",
      "subfield": "nuclear"
    }
  ],
  "title": "Calabi-Yau orientifold hypersurfaces and their F-theory uplifts",
  "title_text": "Calabi-Yau orientifold hypersurfaces and their F-theory uplifts",
  "type": "peer-reviewed",
  "updated_at": "2026-11-03T14:20:43Z",
  "url": "https://research.draconitic.com/paper/4ga3gv8p5arxy",
  "venue": "Journal of High Energy Physics",
  "versions": []
}