waveform.coffee
waveform.coffee
01 — IDENTITYCURATED RECORD
REFERENCE › VARIETIES

SL28

Selection of Tanganyika Drought Resistant — Kenya, 1935.

SPECIES C. ARABICAGROUP SELECTIONALIASES SL-28
OBSERVED RECORDwhat the pipeline has witnessed · 27 roasters tracked · updated daily

02 — FLAVOR RANGE

OBSERVED
across 42 current offerings from 27 of 27 tracked roasters · updated 30 Sep 2026
PROCESS1 base
All1Honey1Washed0Natural0Wet-hulled0Undisclosed0
5 BASES IN THE VOCABULARY · 1 OBSERVED IN THIS CUT
MODIFIER0 modifiers
All1
0 OF 1 MODIFIERS YIELD OFFERINGS HERE · 1 YIELD NOTHING AND ARE NOT DRAWN
ORIGIN1 origin
All1El Salvador1
1 OF 8 ORIGINS YIELD OFFERINGS HERE · 7 YIELD NOTHING AND ARE NOT DRAWN
REGIONUsulutan
All42Embu7Kirinyaga5Kiambu2Nyeri2Quindío2Central Valley1Chiriquí1Cundinamarca1Huila1Kirinyaga County1La Libertad1Loja1Murang'a County1Nyeri County1San Marcos de Tarrazú1Tolima1Usulutan1West Valley1
18 OF 18 REGIONS YIELD OFFERINGS HERE
ROASTER1 roaster
All1Hydrangea Coffee Roasters1
1 OF 18 ROASTERS YIELD OFFERINGS HERE · 17 YIELD NOTHING AND ARE NOT DRAWN
CLEAR
showing 1 of 42 · 3 of 10 families · 3 placed notes
FAMILYNAMED NODESOFFERINGS
Fruity11 of 1
Berry1
Currant1
Nutty / Cocoa11 of 1
Cocoa1
Dark Chocolate1
Sweet11 of 1
Vanilla1
GROUP COUNTS ARE OFFERINGS MENTIONING ANY NOTE IN THE GROUP — SETS OVERLAP, SO CHILDREN DO NOT SUM TO THEIR PARENT.
A NOTE RESOLVES TO THE DEEPEST NODE IT JUSTIFIES; “PLACED HERE” IS AN INTERIOR NODE STATED IN ITS OWN RIGHT, NOT A ROLL-UP.
n=1
taxonomy rev. waveform-2026.6

03 — OBSERVED ORIGINS

OBSERVED
across 42 current offerings from 27 of 27 tracked roasters · updated 29 Sep 2026
SEEN IN 7 OF THE 45 PRODUCING COUNTRIES DRAWN
KENYA×27↗COLOMBIA×6↗COSTA RICA×4↗ECUADOR×1↗EL SALVADOR×1↗GUATEMALA×1↗PANAMA×1↗
FIG. 1Where SL28 is currently being seen
THE WHOLE ORIGINS PLATE · EQUAL-AREA · FRAMED TO EVERY PRODUCING COUNTRY, NOT TO THIS VARIETY · ACROSS 42 CURRENT OFFERINGS FROM 27 OF 27 TRACKED ROASTERS · UPDATED 29 SEP 2026
RECORDACROSS 42 CURRENT OFFERINGS FROM 27 OF 27 TRACKED ROASTERS · UPDATED 29 SEP 2026
7 ORIGINS OBSERVED · ×42 CURRENT OFFERINGS
POINT AT A COUNTRY OR A ROW TO READ IT · ENTER OPENS · CLICK OR SPACE PINS · ESC RELEASES
THE AMERICAS6 OF 7 · ×14
AFRICA & ARABIA1 OF 7 · ×27
RECORD7 ORIGINS OBSERVED · ×42 CURRENT OFFERINGS
TAP A ROW TO TRACE IT · ANY REGION
FIG. 1Where SL28 is currently being seen
THE WHOLE ORIGINS PLATE · EQUAL-AREA · FRAMED TO EVERY PRODUCING COUNTRY, NOT TO THIS VARIETY · ACROSS 42 CURRENT OFFERINGS FROM 27 OF 27 TRACKED ROASTERS · UPDATED 29 SEP 2026
THE AMERICAS6 · ×14
COLOMBIA×6↗COSTA RICA×4↗ECUADOR×1↗EL SALVADOR×1↗GUATEMALA×1↗PANAMA×1↗
AFRICA & ARABIA1 · ×27
KENYA×27↗

+ 1 country-resolved origin not on the producing allowlist and so not drawn: Grecia. Naranjo. West Valley. Costa Rica

04 — OBSERVED PROCESSES

OBSERVED
across 42 current offerings from 27 of 27 tracked roasters · updated 29 Sep 2026
Washed●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●32
Natural●●●●●●6
Honey●●2
Undisclosed●1
one dot = one current offering
+ 1 not yet resolved (not counted above)

05 — LIVE OFFERINGS

OBSERVED · LIVE
current sightings — who is selling SL28 right now

06 — NARRATIVE

CURATED RECORD
PENDINGReference article not yet hand-authored — the identity above and the observed record are live; the narrative is still to be written.

07 — LINEAGE

CURATED RECORD
SL28SUBJECT
PARENTS · SELECTION · 1935 · 1 OF 1 RECORDED
DERIVED FROM SL28 · 2 RECORDED
1 UNVOUCHED NAME IN THE RESOLVER MENTIONS SL28
RAIL DEPTH = GENERATION.
RECONVERGENCE = ↑ BACK-REFERENCE; A NAME IS SET ONCE.