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Dark Matter Coffee

Rise Against

Washed

Cherrybook Index

51sparse

Evidence-of-quality score, not a cup score. Sparse signal: 1 of 7 signals on file. Methodology

Price position

$1.72/oz$27.00 for 445g

Typical band for this profile $1.40 to $2.24 (washed single-origin lots (other named varieties, retail bags); USD listings; roast unlisted in stock). Where it sits

Catalog summary

A washed lot from Santa Ana, El Salvador, not yet indexed (1 of 7 signals on file) and priced inside the typical band for its listed profile.

Based on the listing and catalog evidence

Price and availability set by the roaster.

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Cherrybook last checked this listing today.

Roaster’s notes

green grape · maple · melon

  • Fruit
  • Sugar and spice
Open the flavor wheel

Mapped from the roaster’s tasting notes to the SCA flavor wheel; Cherrybook’s interpretation of the stated notes, not the roaster’s own categorization.

Rise Against by Dark Matter Coffee
Producer
Pacas Family
Farm / Co-op
—
Process
Washed
Altitude
—
Varietals
Sarchimor
Harvest
—
Weight
445g
Bag price
$27.00
Price / oz
$1.72/oz
Brew
—

from the roaster’s storeread by Cherrybook from the listing“estimated” below = inferred, not stated

Price contextmodeled

A modeled range and current prices for comparable listings.

$1.72/oz

typically $1.40 to $2.24

Where it sits

176 washed single-origin lots (other named varieties, retail bags); USD listings; roast unlisted in stock

typical band this lot

Broad comparison: 10th percentile of 176 washed single-origin lots (other named varieties, retail bags); USD listings; roast unlisted in stock right now.

This group broadens origin, roast or selling market to find enough lots. It does not qualify this coffee for a value recommendation.

What moves this price

cheaper×1.00pricier
  • Roaster brand and sourcing×0.94
  • Washed process×0.95
  • Altitude not listed×0.97
  • Other listed varieties×0.97

At 445 g, this bag runs about 5% less per ounce than a typical 288 g bag; that is pack size, not the coffee.

How this estimate works

A statistical model, refit weekly across the in-stock catalog, estimates what a coffee with these listed attributes typically sells for per ounce. Each multiplier compares one trait against the average lot in this market; the roaster line covers brand and sourcing together, which this model cannot separate. Bag size is shown separately, priced at the rate observed across sizes of the same coffee, because it says nothing about the coffee itself. The distribution counts every in-stock listing in the comparison group, with at least 15 listings from three roasters and no roaster supplying more than 60% of it. Decaf, blends, variety segments, processing families and bag formats stay separate. Origin, roast and selling currency can broaden as the group label indicates. Prices are converted to USD per ounce; shipping and differences in tax treatment are not adjusted. The model reads listed attributes only: the quality of the specific lot in the bag is not observable, so a price above the typical band is not evidence of overpricing.

Not listed by the roaster: roast level, altitude

Cherrybook Index (CBI)

Evidence-of-quality score, not a cup score. Methodology

51

Sparse signal

Confidence1 of 7 signals on file

Score is heavily shrunk toward 50; treat as a placeholder until more sources arrive.

How confidence affects the score

Coverage measures signal availability, not cup quality. This coffee has 5% of the signal universe on file. Missing sources are dropped, remaining weights are renormalized, and the result is shrunk toward a neutral 50 baseline by 88% so one thin signal cannot carry the score on its own.

The math on file: renormalized base 60.0 shrunk to 51.3 = 51.

Missing: SCA grade, Coffee Review, Reddit sentiment, YouTube reviews, On-shop ratings, Cherrybook ratings

  • Roaster transparency
    Producer / farm / lot disclosure depth
    60/ 100% weight

Comps & alternatives

Tasting flight

Compare this with three more lots selected from the catalog.

Brew a set side-by-side. The picks vary along axes that pair with this lot; origin, process, roast, or producer; so you learn the difference, not just drink four good cups.

Build the flight

Reference · About the varietal & origin

About Dark Matter Coffee

On YouTube

Meet the roaster on camera

8 videos

About the roasterBrand film

Coffee Roaster | Grainger Everyday Heroes

Grainger · 9.5K views on YouTube

Watch on YouTube

This video covers Dark Matter Coffee; it is general roaster coverage.

Cherrybook summary of the video

This profile features Dark Matter Coffee's Chicago operation, detailing their approach to sourcing green coffee, roasting on custom electric and gas-powered roasters, and managing seasonal variables in an urban environment. The company emphasizes a philosophy-driven, creative approach over purely scientific roasting, utilizing batch cupping and custom-modified machinery to control the profile of their coffee.

Inside this video

From Grainger:

“We want to buy the best green coffee. And by buying the best green coffee, we can turn around and roast some of the best coffees in the world.”
“We're more of a philosophy driven company than a scientific driven company. A lot of feeling.”
“Why make it easy if you can make it hard and fun?”

Explore the videos

Videos by their credited creators. Playing a video connects to YouTube. Privacy

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