{
  "added_at": "2026-11-01",
  "additional_evidence_urls": [
    "https://az9713.github.io/untangle-rebuild/receipt/rebuild-receipt.html",
    "https://az9713.github.io/untangle-rebuild/rebuild/index.html"
  ],
  "category": "community-case-studies",
  "description_en": "An author-documented REA/Ghidra investigation of the shipped Untangle Windows binary produces a single-page playable rebuild and a claim-by-claim grading receipt. The report separates frozen findings, a later source-code answer key and a prior-knowledge audit.",
  "description_zh": "作者记录了以 REA/Ghidra 调查已发布的 Untangle Windows 二进制，产出单页可玩重建与逐项判定的证据收据，并分开保留冻结发现、后取的源码答案及先验知识审计。",
  "entry_url": "https://awesomerea.org/resources/untangle-rea-evidence-rebuild-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/untangle-rea-evidence-rebuild-case/",
  "evidence_url": "https://github.com/az9713/untangle-rebuild/blob/6e9925105247268befeb6faed69025dfce4778fc/README.md",
  "group": "rea",
  "id": "untangle-rea-evidence-rebuild-case",
  "json_url": "https://awesomerea.org/resources/untangle-rea-evidence-rebuild-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/untangle-rea-evidence-rebuild-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/untangle-rea-evidence-rebuild-case/index.md",
  "name": "Untangle: a browser rebuild from REA and Ghidra evidence",
  "name_zh": "Untangle：基于 REA 与 Ghidra 证据的浏览器重建",
  "reconstruction_method": "engine-reimplementation",
  "record_type": "resource",
  "relationship": "community-reported-mixed-workflow",
  "requirement_facets": [
    "prerequisites",
    "testing",
    "limits",
    "license"
  ],
  "requirements": [
    "The recorded run uses REA 6.3.0, Ghidra 12.1.4 and Windows 11 against puzzles version 20260923.616da16; the rebuild is available as a browser page.",
    "The reported 52/54 correct claims and L3 seed fidelity are the author's grading results; ten names absent from REA output indicate possible prior-knowledge contamination.",
    "The 72 MB evidence export is omitted; its hash is retained. The README documents a pre-publication history rewrite and maps old commit hashes to new ones.",
    "Original puzzle binary and source retain Simon Tatham and contributors' MIT license."
  ],
  "requirements_zh": [
    "记录使用 REA 6.3.0、Ghidra 12.1.4 和 Windows 11，目标为 puzzles 20260923.616da16；重建提供浏览器页面。",
    "52/54 条正确及 L3 同种子一致性来自作者评分；十个未出现在 REA 输出中的名称提示可能受先验知识影响。",
    "72 MB 证据导出未提交，仅保留哈希；README 说明发布前曾重写历史，并提供新旧提交对应关系。",
    "原始谜题二进制与源码保留 Simon Tatham 等贡献者的 MIT 许可。"
  ],
  "targets": [
    "binary",
    "game"
  ],
  "url": "https://github.com/az9713/untangle-rebuild",
  "verification": "source-reviewed",
  "verified_at": "2026-11-01T16:36:25Z"
}