Proof & Principle Spirits Library

Every spirit.
In context.

A growing reference system for the world of distilled spirits, built to connect category, law, raw material, production and sensory character.

Spirit categories overlap by raw material, geography and regulation. The library organizes each tradition according to the production and legal structure that explains it most clearly.

How clear spirits are classified: Technical classification begins with raw material, production method, geography and law. Vodka, gin, unaged rum, Tequila Blanco, shōchū and fruit eaux-de-vie may all appear clear while belonging to distinct traditions. Proof & Principle groups each one by production logic and legal identity.

Library map

A structured library built to scale.

Six category hubs are live today. Each remaining hub will become active with its first substantive guide. Every live page offers useful educational content from day one.

01Live hub

Whisk(e)y

Scotch, Irish, American, Canadian, Japanese and world whisky, plus malt, grain, blending, maturation and label logic.

Explore category ↗
02Live hub

Cane Spirits

Rum, rhum agricole, cachaça, clairin and regional cane traditions, organized by material, fermentation, still design and law.

Explore category ↗
03Live hub

Grape & Wine Spirits

Cognac, Armagnac, pisco and other wine distillates, with pomace spirits separated where production logic changes.

Explore category ↗
04Live hub

Fruit Spirits & Eaux-de-vie

Calvados, apple and pear brandies, kirsch, slivovitz, poire Williams and other fruit distillates.

Explore category ↗
05Live hub

Agave & Mexican Traditions

Tequila is live now, with mezcal, raicilla, bacanora, sotol and related Mexican traditions in the roadmap.

Explore category ↗
06Live hub

Vodka & Neutral Spirits

Neutral spirit, vodka, rectification, filtration, base materials, legal definitions and the idea of neutrality itself.

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07Building

Gin, Genever & Botanicals

Gin, genever, aquavit, anise-led spirits and other categories where botanical flavour is central to identity.

Planned library hub
08Building

Asian & Fermentation-led Traditions

Baijiu, shōchū, awamori, soju, arrack and traditions where fermentation systems require their own vocabulary.

Planned library hub
09Building

Pomace & Specialty Distillates

Grappa, marc, orujo and other distillates defined by pomace, by-products or distinctive regional methods.

Planned library hub
10Building

Liqueurs, Bitters & Compounded Spirits

Sweetened, flavoured and compounded categories including liqueurs, amari, bitters and related traditions.

Planned library hub
11Building

Production, Law & Sensory

Cross-category foundations: raw materials, fermentation, distillation, maturation, blending, dilution, labels and tasting.

Planned library hub

Each category becomes a complete learning system.

Each spirit family can branch into law, raw materials, fermentation, distillation, maturation, blending, labelling, service and sensory analysis. Together, these branches build the depth of a structured academy.

The same cross-category foundations will also connect horizontally. A reader learning reflux, neutral spirit, new oak, congeners or dilution will be able to move between categories and see how the same principle changes in different production systems.

Current published guides

Start with what is live.

Scotch Whisky, Cognac, Caribbean Rum, Tequila and Vodka & Neutral Spirits are live. Each category hub keeps the complete guide in context and leaves room for future chapters.