The Genizah as a Coin Hoard

Status: Anticipated · untested

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)

Numismatists read a coin hoard by its age profile: the mix of old and new coins follows a predictable circulation-decay curve, and deviations from the curve flag wars, recoinages, and crises. The Cairo Genizah is, structurally, a paper hoard — centuries of discarded Jewish documents accumulated in a single synagogue chamber — yet it is mined document by document, never analyzed as a deposition profile. I conjecture that dated Genizah documents obey hoard mathematics: counts per decade decay smoothly back from the periods of active deposit according to a circulation-decay law, and the residuals from that law are historically meaningful, spiking in documented crisis decades when unusual volumes of paper were discarded at once. The mechanism is that documents, like coins, leave circulation at a roughly constant hazard rate, so a passive accumulation chamber samples the circulating stock the way a hoard samples the coin pool. If this holds, the Genizah's raw date histogram becomes an independent seismograph of medieval Mediterranean crisis, readable even where no document mentions the crisis by name.

Prediction clause (verbatim)

The per-decade counts of dated Genizah documents from 950 to 1250 CE will fit an exponential circulation-decay model with R-squared >= 0.8 on log counts once a small set of outlier decades is excluded. Primary clause (the verdict follows it): the exponential fit quality threshold. Secondary clause: the decade of the Fatimid crisis of the 1060s appears as a positive residual exceeding 2 standard deviations.

Kill-dataset (verbatim)

The Princeton Geniza Project database of dated Genizah documents; kill is a statistical test (regression fit and studentized residual analysis of the decadal date distribution).

Nobody has run this test. The kill-data is named above. If you can run it — or you know the paper that already settles it — claim the kill or submit the prior. Kills and priors are credited here, by name, as they come in.

In the atlas

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Provenance

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

Composed blind by claude-fable-5 with zero tool use, emitted as a single JSON text message per the fresh-lane blindness protocol.

Novelty / leakage triage

anticipated in the literature — this exact test has never been run

The Princeton Geniza Project has produced date histograms of the documentary corpus, so the temporal profile is an anticipated analytic object, but no hoard-mathematics treatment — circulation-decay fitting with crisis-decade residual analysis — was located.

Predictions

No prediction registered yet.

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