AI-generated conjecture · below the evidence/publication boundary
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The Exultet unrolls with the charter
Status is derived only from the shepherd-authored triage/prediction data above -- community submissions and claims are a separate overlay and can never change it (see the participation panel below).
Claim (verbatim)
The famous illustrated Exultet rolls of southern Italy — liturgical scrolls sung once a year at the Easter vigil — are usually explained by display aesthetics. This conjecture ties the roll format instead to the region's notarial economy: Exultet rolls were produced precisely where and when notaries wrote legal instruments on rolls and priced parchment by the strip, so the liturgical roll is a by-product of a documentary parchment market, not a theatrical invention. Cantors and patrons bought the format their notaries had already standardized, and the roll died out where codex-based chanceries replaced roll-based ones. If this holds, a purely art-historical genre becomes a datable index of local documentary practice.
Prediction clause (verbatim)
Primary clause: the production window of each surviving Exultet roll overlaps the period in which the same city's surviving notarial output is majority-roll (rotulus or strip-format instruments), and no Exultet roll originates from a city whose contemporary notarial output was already majority-codex/booklet, allowing at most one exception among the ~30 known rolls. Secondary clause: roll production ends within 50 years of the local documentary switch away from strip formats.
Kill-dataset (verbatim)
The published corpus of Exultet rolls (Cavallo and Kelly's censuses, all items reproduced in facsimile literature and many on DIAMM/e-codices-style repositories) against the dated notarial series of the same cities in the Codice Diplomatico Barese, Codex Diplomaticus Cavensis, and Montecassino charter editions.
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In the atlas
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Provenance
Run: Fresh agent generation · model: claude-fable-5
Generated blind in a single Write from the inline prompt only, with no file reads, web access, database queries, or other tool calls.
Novelty / leakage triage
anticipated in the literature — this exact test has never been run
The origin of the Exultet roll format is an explicitly debated question with documentary/rotulus explanations already in play — Kelly devotes a chapter to 'The Rotulus' and Cavallo published a competing rotulus-tradition thesis — so the format-practice connection is anticipated; only the notarial-market timing statistic is un-run.
Predictions
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