AI-generated conjecture · below the evidence/publication boundary

Parchment futures

Status: Open

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).

This is a proposed connection between two domains, generated by a language model. It is not an article and not evidence: it sits below the evidence/publication boundary. A quantitative prediction and a named kill-dataset are attached (when registered) so the claim stays falsifiable rather than merely evocative.

Claim (verbatim)

Parchment futures. Parchment was a livestock derivative, so manuscript production absorbed herd shocks: colophon-dated production series in NW Europe should dip with a 1–3 year lag after documented cattle murrains, with no equivalent dip in paper-based production once paper is available as a control.

Prediction clause (verbatim)

The 1319–21 Great Bovine Pestilence (documented ~60% herd loss in England) produces a dated-manuscript production trough ≥25% below trend within 3 years, recovering over ~5–8 years (herd-rebuilding time).

Kill-dataset (verbatim)

Kill: catalogues of dated manuscripts vs murrain chronicle chronology; no trough, or a lead instead of a lag, kills it.

Provenance

Run: Fresh agent generation · model: claude-fable-5

Authored by the shepherd session (Claude Fable 5) as the recorded instrument, drafted 2026-07-04 in the session scratchpad (fresh_conjectures_draft_20260704.md) after Phase A was launched and BEFORE any triage literature search for this pilot; imported immediately after Phase A deployment and before the B2 triage pass began, so the fresh-lane ModelRun timestamp precedes all triage ModelRuns. Novelty unverified: the author cannot rule out prior formulations in the literature; these enter the same triage lane as the imported harvest.

Novelty / leakage triage

no prior formulation located (search dated 2026-07-04)

Slavin's Economic History Review study documents the 1319-21 Great Bovine Pestilence's economic and environmental consequences (roughly two-thirds bovine mortality; dairy and ploughing effects), but no study was located connecting murrain shocks to parchment supply or dated-manuscript production series with a lag structure. No prior formulation located (search dated 2026-07-04).

Slavin 2012, 'The Great Bovine Pestilence and its economic and environmental consequences in England and Wales, 1318-50', Economic History Review — The shock is quantified; the parchment link is not

Predictions

Open registered 2026-07-04

OPEN prediction: colophon-dated manuscript production in NW Europe dips with a 1-3 year lag after documented cattle murrains; specifically, the 1319-21 Great Bovine Pestilence (~60% herd loss in England) produces a production trough >= 25% below trend within 3 years, recovering over ~5-8 years, with no equivalent dip in paper-based production once paper is available as a control.

Resolution criteria: Resolvable against catalogues of dated manuscripts (e.g., the Manuscrits datés corpora) joined to murrain chronology (Slavin 2012). SUPPORTED if the post-1319 trough reaches >= 25% below the local trend within 3 years with the stated recovery shape. KILLED if there is no trough (>= 10% below trend), or the dip LEADS the pestilence, or paper-era controls dip identically.

Known priors disclosure: No in-house dated-production series for NW European Latin manuscripts. The registrant knows the pestilence's herd-mortality magnitude from Slavin 2012 but has seen no manuscript-production series around 1319.

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