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Bad Provenance

BP-2026.009.1

Codex Gigas

Claim
0 of 5
Nothing is claimed to happen to anyone.
Evidence
2 of 5
One retelling, publication or sale listing.
Provenance
3 of 3
An unbroken chain to the event it is named for.

These three figures are kept separate and are never combined into a single score. How grave the claim is, what it rests on, and whether the object can be traced are different questions. How the register reads them.

Asserted

Accounts attributed to a source. The register does not adopt them.

Nothing is claimed to happen to anyone. The claims attached to this object concern only how it was made. A monk sentenced to be walled up alive is said to have promised to write the largest book in the world in a single night, and, when the night was half gone, to have called on the devil for help and pledged his soul. Books are said to have been seen dancing in the air with this volume at their head.

  • P19

    visible movement

  • E5

    a non-human entity attributed to it

    index v0.8: Non-human entity attributed

  • E9

    able to leave the object

  • H6

    made with the help of an entity

  • H8

    maker harmed during or after making

  • H19

    unlawfully obtained

  • H20

    previously held by an institution

  • H21

    associated with a named legend or figure

Recorded

Established by the register, or received with the object.

File

Register number
BP-2026.009.1
Entry type
Object entry
Opened
2026-09-16
Coded against
Claim Index v0.8

Object

Type
illuminated manuscript
Materials
vellum, ink, pigment, wood, leather
Date
between 1204 and 1230
Origin
Bohemia
Whereabouts
held by an institution, Stockholm

Custody

No custody record has been entered.

On what grounds

Published retellings. Evidence is capped at 2: the only source for the movement claim is a collection of humorous anecdotes published in 1858.

Counter-indications

What weighs against the claim. These are never subtracted from a figure; the lowest applicable ceiling is applied instead.

  • CI2

    sources conflict on the event

  • CI7

    an ordinary explanation has been offered

  • CI8

    the only source for one claim has a fictional purpose

The manuscript is written throughout in one uniform hand, which is consistent with a single scribe working over twenty to thirty years.

Register findings

  • MT21

    assigned keeper

  • MT26

    exhibited publicly

  • MT28

    has appeared in broadcast

  • MT29

    catalogued by another register

  • MT24

    the holder publicly rejects the claim

The national library that holds it states on its own website that the legend has no basis in reality.

Note. The manuscript was thrown from a window during a palace fire in 1697 and is said to have struck someone below. Damage to the binding confirms the fall. Neither event is coded: nothing in the sources attributes either to the object's alleged working, and the register codes only what is attributed.

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