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Soil core sampling on a plantation

A Proof Is Not a Fact. It Is a Path.

What makes a proof is neither sincerity nor precision, but continuity: a chain of transformations in which every link remains reversible.

Δημοσιεύτηκε στις 28 Ιουλίου 2026Διαβάστε το άρθρο →
Vegetable stall at a French market

A Tonne Is Not a Tonne

Origin or path? From the local-versus-commodity duel to the carbon credit: why a tonne is worth what its place is worth, and what an index changes about a credit.

Δημοσιεύτηκε στις 28 Ιουλίου 2026Διαβάστε το άρθρο →
Figure 33 from L’Homme by René Descartes (Clerselier edition, 1664): the pineal gland H, the eyes, and the arm

The Batch Number Is a Pineal Gland

Descartes separated thought and extension, then glued them back together with the pineal gland. Declarative traceability does the same thing with the batch number.

Δημοσιεύτηκε στις 28 Ιουλίου 2026Διαβάστε το άρθρο →
Ethica, Pars secunda (Opera Posthuma, 1677)

The Stamp and the Thing

Ceremony or substance: with Spinoza, why a declaration of conformity is a rite — and how proof finally shows what the standard truly wants.

Δημοσιεύτηκε στις 14 Ιουλίου 2026Διαβάστε το άρθρο →
Benedictus de Spinoza, engraved portrait

We Don’t Reassure. We Leave Fear Behind.

We do not fight one fear with another: why reassurance is never enough, and how proof leads out of food-related distrust.

Δημοσιεύτηκε στις 10 Ιουλίου 2026Διαβάστε το άρθρο →
Engraving of Spinoza, Nagelate Schriften (Amsterdam, 1677)

Import Is Not a Sin

Import = bad, local = good? With Spinoza: the good is not a property but a relation. Traceability is a matter of proof, not morality.

Δημοσιεύτηκε στις 7 Ιουλίου 2026Διαβάστε το άρθρο →
Portrait of Spinoza (c. 1665), Herzog August Bibliothek

Three Ways of Knowing a Tomato

Sign, reason, singular: Spinoza’s three kinds of knowledge applied to a tomato — from the label to the verifiable product passport.

Δημοσιεύτηκε στις 3 Ιουλίου 2026Διαβάστε το άρθρο →
Portrait of Baruch Spinoza

Opacity Is Not a Lie

What a seventeenth-century philosopher has to do with traceability: why the opacity of an origin is not fraud but mutilated knowledge, to be restored rather than punished.

Δημοσιεύτηκε στις 30 Ιουνίου 2026Διαβάστε το άρθρο →