Crucible Year Peter Yuill
A grey ink wave sags across pale paper from a dark blotched mass at left to a dark diagonal band and black strip at right. T_250, tone-stretched: what the model was shownT_250: every pixel as the measuring code classes it
70 × 180 cm · the whole sheet, uncropped

T_250

The engine's reading

A grey ink wave sags across a long sheet of raw paper, from a blotted black mass at the left to a streaked dark diagonal climbing out at the right.

Record
Date
2026.04.21
Dimensions
70 × 180 cm
Paper
Tanxi Thickened Grade A Special Jing Pi Small 6-Foot (raw)
Ink
Yi De Ge Refined Ink Juice, Boku-Undo Genso, Yi De Ge Yun Tou Yan
Enquire about T_250Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

The beads along the crest of the right wave are a counting spell. On this coast a tide may not break until its pearls are counted, and the counter is always a small, underpaid wizard with wet sleeves. He got halfway. Then the left side of the sea arrived early, lumpy and loud, a troll who has heard there is soup, and he dropped the rest of the string into the trough, where they still sit, ringed and swollen, refusing to be counted. I like him. I would hire him again. Above all this the sky stays blank as a slate, and a few black drops fall out of it like seeds.

NeonWho Neon is
Detail at full resolution, cut by code where the brushwork is finest · select to enlarge
The engine's reading

The reading

Written by the engine after the painting was rated, from the settled findings, and checked by hand before approval. It explains the numbers; it may not change them.

Structure
dark left mass, grey wave band, dark diagonal band, black strip at right edge
Movement
wave dropping from left, sagging at centre, rising right; black edge strip runs downward against it
Coverage
ink on about two thirds of the paper
Tone
five tonal steps, spread across the range
Layering
two or three passes; grey under dark reads clearly on right, merges on left
Edges
crisp along top of right band; soft in left mass; broken, spiky at lower edges
Feibai
present in lower sweep of wave and through right diagonal band
Open paper
wide pale bowl across top centre, shaped by the wave's sag
Chance marks
ringed blooms in central trough; small rings at right band; spatter falling top centre
Frame
ink runs off left, bottom and right edges, and top corners; top centre stays open

A wave crosses the paper. It falls from a dark mass at the left, sags through a grey trough, and climbs to the right, leaving a wide bowl of untouched paper above it. The whole movement reads at a glance, a swell seen side on.

The right diagonal band is where the brush shows its hand. A dark sweep runs over a pale grey wash, and the wash still reads through it. In the fast stroke the hairs have split and left streaks of bare paper running the way the brush travelled. Raw paper grips dry brush firmly, so those streaks and the grades between them stay sharp, from near black to thin grey.

The left mass goes another way. On paper this quick to drink, wet passes laid into wet ones have fused into a lumpy, lobed bulk with a dull interior and a ragged outline. The trough is pocked with ringed blooms where water met damp grey. At the right edge a dense, flat black strip is jammed against the frame.

What is left is a capable sheet of the middle kind. The wave is real and the right band rewards a close look, but the soft left mass and the cramped edge hold it level with the archive's usual run.

Measured

How it was read

Read by the Visual Analysis Engine, version 23.8, on 2026.10.06: measured by code, then read 5 times by Claude Opus 5.5 against three reference paintings (R1 to R3), each read independent of the others. How the engine works.

WHAT THE CODE SEES

Three views of one sheet.

Left, the photograph. Centre, the tone stretch the model is shown beside it: the darkest 45% of tones spread over the whole range, so flat black, banding and stains show. Right, every pixel as the measuring code classes it: cyan black ink, deep teal translucent grey, stone the palest ink, near black bare paper.

T_250T_250, tone-stretchedT_250, classed by brightness
69%of the sheet carries ink
Black 31%Grey 48%Light 21% SHARE OF THE INK, NOT OF THE SHEET
TONAL STEPS

5 families of tone.

Every inked pixel's brightness in 64 bins, smoothed; each circled peak holds at least 4% of the ink. Life inside the black: 0.054 (under 0.045 reads as flat).

0.300.7512345 BLACK INK TRANSLUCENT GREYS PALEST INK, 0.88 LUMINANCE OF EVERY INKED PIXEL, 64 BINS. PAPER (ABOVE 0.88) IS LEFT OUT.
FIVE READS

Five reads, one answer.

Each quality placed on its ladder by each read, and the mean the engine keeps.

READ 1READ 2READ 3READ 4READ 5MEAN
Form2BUILT2BUILT2BUILT2BUILT2BUILT2.0
Tonal depth2MODELLED2MODELLED2MODELLED2MODELLED2MODELLED2.0
Layering2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2.0
Composition2WORKING2WORKING2WORKING2WORKING2WORKING2.0
Material and surface1FLAWED1FLAWED1FLAWED1FLAWED1FLAWED1.0

READ 1, IN ITS OWN WORDS

“A gestural wave sweep with some tonal life in the right diagonal. It is ordinary in form, layering and composition, and cellular water blooms in the central sweep mark the surface. It is closest to R2.”

Form · BUILT

Wave sweep from left down through centre to right reads as a coherent form; left dark mass is lumpy and frayed, so some bulk remains.

WEAKEST Left dark mass, ragged lobed outline

STRONGEST Right diagonal dark sweep following brush travel

Tonal depth · MODELLED

Right dark band shows streaks and stepped density; five tonal steps, modulation 0.054; left black mass flatter inside.

WEAKEST Left dark mass interior fairly uniform

STRONGEST Right diagonal band with streaked grey grading

Layering · LEGIBLE

Pale grey sweeps lie under darker strokes at right and left; overlaps readable, but only two or three passes and little ordered build-up.

WEAKEST Centre where droplets blur the grey pass

STRONGEST Dark diagonal over pale grey wash, right

Composition · WORKING

Wave-like curve gives direction and shapes the empty top paper; right edge black fragment and busy lower right feel crowded.

WEAKEST Crowded right edge with cut-off black mass

STRONGEST Wave curve carrying eye left to right

Material and surface · FLAWED

Clusters of ringed, cellular drop blooms sit inside the central grey sweep, visible in colour view; read as water spotting rather than chosen structure.

WEAKEST Cellular water-drop blooms in centre sweep

STRONGEST Dry-brush streaks in right diagonal band

FLAWS

6 distinct places, 1 major.

Each read must name every flaw and where it is, in a ninth of the sheet. Here the reads named flaws in 6 distinct places, 13 mentions in all across 5 reads; the number in each ninth is how many times a flaw was named there. Reads agreeing on a place strengthen the evidence for one flaw; they do not multiply it. A major flaw holds Material and surface at rung 1.

1 × WATER STAIN“Cloudy, mottled wash at the top of the left m…”1 × BLOOM“Bead-like drips along the top of the right arc”1 × WATER STAIN“pale droplet rings near sweep left of centre”5 × BLOOM · MAJOR“ringed droplet blooms inside central grey swe…”3 × RING“Small ringed cells near the lower edge of the…”2 × BLOOM“pale ringed spots in lower right grey wash”WATER STAINBLOOMRINGMAJOR
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 1 principal ink mass traced (cyan), 10 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 17 edge segments, 12% crisp, 53% soft or bloomed, 35% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3H4H5H6H7H8H9H10

The rating these readings produce, the rules applied and the arithmetic, with Peter's own rating where he gave one, are in the Archive record.

Date

2026.04.21, day 114 of the Crucible Year, one of 14 paintings from that date (10 shown). 63 works were registered in the fourteen days before. Paintings are dated by the day their batch was registered and photographed; each was finished that day or within the few days before. Phase: P2 The Switch (working title).

THE YEAR

T_250 among all 402

Every painting of the year by date; this one is outlined.

Every painting from 2026.04.21 · This date in the year

Materials

Paper
Tanxi Thickened Grade A Special Jing Pi Small 6-Foot (raw), Anhui Jingxian Tanxi Xuan Paper Art Products Co., Ltd., made 2015.11.19
Ink MB4
Yi De Ge Refined Ink Juice, Yi De Ge (Beijing)
Ink MB5
Boku-Undo Genso, Boku-Undo
Ink MB6
Yi De Ge Yun Tou Yan, Yi De Ge (Beijing)
The sheet of paper was made 3806 days before this painting.
When each paper was in use