Demonstrating the BibCrit Ancient Witness Bridge: A Tool for Multi-Tradition Collation of Hebrew Bible Variants

Assembling the textual witnesses to a single verse of the Hebrew Bible—the Masoretic Text, the Septuagint, the Dead Sea Scrolls, the Samaritan Pentateuch, the Peshitta, and the Vulgate—ordinarily means consulting several specialist editions and commanding several scripts. This short, methodological communication demonstrates a digital tool that gathers them into one view: the BibCrit Ancient Witness Bridge. For a requested verse the tool retrieves the word-tokens of each tradition from a normalized corpus, passes them with a fixed, versioned prompt to a large language model (Anthropic’s Claude), and returns a structured comparison—each witness’s reading, a classification of the differences, and a synthesizing assessment with a heuristic confidence figure. The article first describes that procedure and the discipline of reading its output—every reading, siglum, and judgement is verified against the critical editions, and the text-critical decision remains the scholar’s—and then demonstrates it on two variants: the familiar “light” reading at Isaiah 53:11, and a deliberately lesser-known divergence at Deuteronomy 8:7, where a Qumran scroll, the Samaritan Pentateuch, and the Septuagint align against the Masoretic Text. Its behaviour is then surveyed across a sample of twenty-nine variants. This is a demonstration, not a statistical validation: a sample of this size cannot establish reliability, and none is claimed. What the survey shows is a consistent shape—the tool is dependable for surfacing variants and their broad direction, and undependable for the finer determinations: the exact classification of a difference, the attribution of an agreement to the right tradition, and, in two cases, the internal consistency of its own output, where its structured verdict contradicted its prose. All of these must be checked against the editions. The contribution is not a textual result but a reproducible procedure for assembling and comparing the evidence, usable as a first-pass orientation on any verse where the witnesses diverge. Keywords: textual criticism of the Hebrew Bible; Dead Sea Scrolls; Samaritan Pentateuch; Septuagint; digital humanities; multi-tradition collation; large language models; tool criticism Hebrew is transliterated throughout according to the academic style of The SBL Handbook of Style.