Crucible Year Peter Yuill
A wide grey brushstroke arcs across white paper above a darker grey sweep, with black vertical marks at right and left and scattered spatter. T_196, tone-stretched: what the model was shownT_196: every pixel as the measuring code classes it
97 × 180 cm · the whole sheet, uncropped

T_196

The engine's reading

A wide grey fan of dry brush rolls over a wedge of white paper, answered by a darker lower sweep and two black slabs on raw bark paper.

Record
Date
2026.04.08
Dimensions
97 × 180 cm
Paper
Red Star Mo She Special Effect Xieyi Edition, raw
Ink
Kuretake Shogei Kiwami, Yi De Ge Zhonghua, Boku-Undo Bokkou
Enquire about T_196Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

That is a heron. It stands on the right on a mooring post, stiff as a boot, with a string of drops rising off its head like breath on a cold morning. Behind it the weather is coming over in one long grey roll, the kind of front that flattens a whole hillside of bracken. The heron does not look up. It has decided it is a post. I admire that, the way you admire a man who keeps his hat on in a gale. When the rain comes it will come all at once, and afterwards the bird will still be there, shining, wet to the bone, facing the wrong way.

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
large grey arc above, darker crescent below, black slabs at upper left and right
Movement
arc sweeps left to right; lower crescent counters it back toward the right edge
Coverage
ink on about half of the paper
Tone
four tonal steps, spread across the range
Layering
three kinds of pass: grey arc, dark hatching, black slabs; readable at centre-left
Edges
crisp on the black slabs; soft and bristled at the arc's ends
Feibai
present in the upper sweep of the grey arc
Open paper
white wedge between arc and crescent, opening toward bottom centre
Chance marks
spatter at left edge and around slabs; crease lines through centre; pale patches lower right
Frame
crescent runs off the right edge, thin tail off the bottom; top and left open

A great grey fan of brush swings up from the left and rolls over to the right. Below it a darker sweep answers from the lower right and runs off the edge. Between the two the paper stays white, a clean wedge of light that both movements shape together.

The arc is where the sheet lives. Its upper sweep opens into flying white, the hairs parting into long parallel bands of bare paper, and the raw bark paper grips each dry hair so the grain reads as speed. At centre-left a pass of dark broken hatching lies over the grey, and the order of the two stays clear.

The black is the trouble. The vertical slab at right is filled flat to its walls, with nothing moving inside, and it sits on the grey without entering it. The club-shaped mark at lower left drifts away from everything, trailing drops. Crease lines cross the centre of the arc and pale patches cloud the lower crescent. The sheet absorbs them.

That leaves a good, solid painting. The grey is fine work. The blacks are heavier than they are alive, and they hold the whole thing down.

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_196T_196, tone-stretchedT_196, classed by brightness
53%of the sheet carries ink
Black 21%Grey 46%Light 33% SHARE OF THE INK, NOT OF THE SHEET
TONAL STEPS

4 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: 0.047 (under 0.045 reads as flat).

0.300.751234 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 surface2SOUND2SOUND2SOUND2SOUND2SOUND2.0

READ 1, IN ITS OWN WORDS

“A gestural sheet close to R2. A fluent dry-brush grey arc and crescent play against blunt, flat black slabs. The layering is legible and the composition works. Small creases and milky patches keep it ordinary.”

Form · BUILT

The big grey arc and the bottom-right crescent follow the stroke well. The right black slab and the bottom-left blob are bulky, stiff fills.

WEAKEST Right vertical black slab, blunt and filled-in

STRONGEST Large grey arc following the brush's sweep

Tonal depth · MODELLED

The arc has striated grain and the centre has stippled, stepped density. The right and bottom-left black masses are uniform inside; modulation 0.047 is barely above flat.

WEAKEST Right vertical black slab, flat inside

STRONGEST Dry-brush banding inside the grey arc

Layering · LEGIBLE

A grey arc pass, a grey crescent and black gestural marks over them. The overlaps stay legible, but there are only about two passes and no built depth.

WEAKEST Black slabs simply sit over the grey

STRONGEST Black flecks over the grey arc at centre-left

Composition · WORKING

The arc and the lower crescent make a strong countermovement around shaped white at the centre-right. The bottom-left figure and the left spatter feel detached.

WEAKEST Isolated bottom-left black figure and spatter

STRONGEST Sweeping arc carrying the eye left to right

Material and surface · SOUND

The dry-brush grain is used well in the arc. Fold or crack lines cross the centre, and pale milky streaks sit inside the bottom-right grey mass. They are small but visible.

WEAKEST Crease lines and milky patches in lower crescent

STRONGEST Dry-brush grain shaping the grey arc

FLAWS

4 distinct places, 0 major.

Each read must name every flaw and where it is, in a ninth of the sheet. Here the reads named flaws in 4 distinct places, 11 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.

1 × OTHER“Stray spatter drops on the left margin”5 × OTHER“Paper crease or crack lines running through t…”2 × WATER STAIN“pale watery edge at the right end of the grey…”3 × WATER STAIN, OTHER“Pale milky patches inside the grey crescent a…”WATER STAINOTHER
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 3 principal ink masses traced (cyan), 8 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 19 edge segments, 42% crisp, 11% soft or bloomed, 47% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3H4H5H6H7H8

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

2026.04.08, day 101 of the Crucible Year, one of 22 paintings from that date (11 shown). 37 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: P1 Warm-up (working title).

THE YEAR

T_196 among all 402

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

Every painting from 2026.04.08 · This date in the year

Materials

Paper
Red Star Mo She Special Effect Xieyi Edition, raw, China Xuan Paper Co., Ltd., made 2025.12.08
Ink MB1
Kuretake Shogei Kiwami, Kuretake
Ink MB2
Yi De Ge Zhonghua, Yi De Ge (Beijing)
Ink MB3
Boku-Undo Bokkou, Boku-Undo
The sheet of paper was made 121 days before this painting.
When each paper was in use