Material Singularity
The condition of an object that exists as a single, unrepeatable instance: not a scarcity strategy but an ontological state. The singular object is not one of a limited run. It is the only one that will ever exist.
Material Singularity is the founding condition of the framework, and the first thing it is not is scarcity. Scarcity is a decision about supply. Singularity is a fact about the object.
A limited edition of fifty is a scarcity strategy: the number was chosen, and it could have been five hundred. Nothing about the object required fifty. The edition exists because a quantity produces a price, and the quantity is an instrument for setting it. A singular object has no such number, because there is no run. The question of how many were made has one answer and it was never a decision about the market. This distinction is not a matter of degree. There is no partial singularity, no effective singularity, no conceptual singularity that compensates for the existence of another. An object either is singular or it is not.
Singularity precedes everything else here: before provenance, before stewardship, before market position. Every other claim depends on it. Provenance is a history of a particular thing, and it becomes bookkeeping if the thing is one of many identical things. Stewardship is an obligation toward something irreplaceable, and it becomes maintenance if a replacement exists. The Custodian's Contract asks someone to hold an object on behalf of its meaning, which is only coherent if the object is the sole carrier of that meaning. Take singularity away and the rest of the vocabulary still functions grammatically while describing nothing.
The singular object carries its condition structurally rather than by assertion, which is the practical difference between a claim and a fact. A certificate can say a thing is unique, and a certificate is a piece of paper. What makes an object singular is that its production could not be repeated, because the material combination, the process, or the circumstances were not repeatable. That is also why singularity is expensive in a way scarcity is not. Scarcity costs a decision. Singularity costs the ability to ever make the thing again.