Crucible Year Peter Yuill
A broad black arc rises from lower left to a squared end at top centre over grey washes; dark dots scatter across pale right. T_282, tone-stretched: what the model was shownT_282: every pixel as the measuring code classes it
97 × 180 cm · the whole sheet, uncropped

T_282

The engine's reading

A black brushstroke curling up from the lower left to a squared end, grey bands wheeling behind it, and ink dots scattered over open paper.

Record
Date
2026.05.07
Dimensions
97 × 180 cm
Paper
Red Star Mo She Special Effect Xieyi Edition, half-raw (June 2025 batch)
Ink
Yi De Ge Refined Ink Juice, Boku-Undo Genso, Yi De Ge Yun Tou Yan, colour inks
Enquire about T_282Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

I was told the black was a wall the old king built to keep the weather out, and that the wall had one flaw: a chip of white no bigger than a fingernail, low in the masonry. The rules of that country say a flaw is a door if you are small enough. I was small enough. On the far side the dots were a herd of something feeding on empty pasture, too far apart to be a flock, too many to be strays. The king never came. The wall kept standing, squared off where the masons ran out of stone, and the herd kept grazing toward the edge of a map that had none.

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 arc ending in squared slab; grey block below; pale grey arcs upper right
Movement
rotational sweep from lower left up and right; lower grey block sits against it
Coverage
ink on about three quarters of the paper
Tone
four tonal steps, spread across the range
Layering
pale arcs, grey wash, black stroke, spatter; readable where grey shows past black
Edges
crisp at the slab's squared end; soft bleed beneath it; feathered at lower left
Feibai
upper right grey arc bands; lower left tail of the dark arc
Open paper
broad rounded field, lower right, bounded by the arc
Colour
faint blue flecks, lower centre and lower right
Chance marks
dot spatter across right half; cloudy bloom under slab; crease lines through black
Frame
ink runs off top, left and bottom; lower right and right edge stay open

A dark arc swings up from the bottom left and stops hard at the top centre, squared off like a cut end. Pale grey bands circle behind it at the upper right, so the whole sheet turns on a wheel, the black riding its rim. The right is open paper and scattered dots.

The arc is best low down. At the lower left the brush thins, the hairs part, and the black frays over the grey bands beneath it. The half-raw bark paper grips dry ink, so that feathered edge stays clean and the striations read as speed.

Higher up the stroke stops travelling. Its end becomes a slab, dense and nearly flat inside, crossed by crease lines in the paper. A milky bleed spreads from its lower edge around a small white fleck. Below, the grey wash is a filled block with nothing moving in it, and the dots on the right drift without much order.

So the sheet has a real launch and a heavy landing. The lower stroke repays the look. The rest is competent and unresolved, stiff at the top and thin on the right, a sheet of the common 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_282T_282, tone-stretchedT_282, classed by brightness
72%of the sheet carries ink
Black 39%Grey 49%Light 12% 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: 0.045 (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 surface1FLAWED1FLAWED1FLAWED1FLAWED1FLAWED1.0

READ 1, IN ITS OWN WORDS

“A bold arc ends in a blunt dark slab over grey washes, with spatter in an open right half. The tone and layering work at a modest level. A cloudy bleed and creases mark the dark mass. An ordinary sheet overall.”

Form · BUILT

Main dark stroke curves fluently up the left edge but ends top-centre in a squared, bulky slab; lower grey wash is a broad filled block.

WEAKEST Blunt slab-like rectangular end of dark mass

STRONGEST Sweeping left arc following brush travel

Tonal depth · MODELLED

Dark interior modulation 0.045, right at the flat threshold; stretched view shows striated arcs and density steps in the dark mass, but the grey block below is uniform.

WEAKEST Lower centre grey wash, flat inside

STRONGEST Brush striations through the dark arc

Layering · LEGIBLE

Pale grey sweeping arcs, a mid-grey block and the black stroke read as separate passes; the black largely covers what lies under it.

WEAKEST Dark slab mostly covers earlier grey passes

STRONGEST Grey arc bands under the dark stroke on the left

Composition · WORKING

Strong diagonal arc drives the eye; pale arcs echo it at top right; the lower right is open paper with only dot spatter, so it feels thin.

WEAKEST Right half empty except scattered dots

STRONGEST Large arc sweeping from bottom left to top centre

Material and surface · FLAWED

Soft, milky grey cloud spreads beneath the dark block near centre; crease lines run through the dark interior; small white skip at centre.

WEAKEST Cloudy bleed below the dark block's lower edge

STRONGEST Feathered dry-brush edge on the lower left of the arc

FLAWS

3 distinct places, 2 major.

Each read must name every flaw and where it is, in a ninth of the sheet. Here the reads named flaws in 3 distinct places, 15 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.

4 × OTHER · MAJOR“crease and crack lines across the dark mass i…”10 × BLOOM, OTHER · MAJOR“cloudy grey bleed below the dark block's lowe…”1 × OTHER“small bluish speck in the grey slab”BLOOMOTHERMAJOR
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 1 principal ink mass traced (cyan), 6 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 15 edge segments, 13% crisp, 67% soft or bloomed, 20% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3H4H5H6

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

2026.05.07, day 130 of the Crucible Year, one of 19 paintings from that date (14 shown). 16 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).

Made after a calmer fortnight than 16 of the 17 dates before it.
THE YEAR

T_282 among all 402

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

Every painting from 2026.05.07 · This date in the year

Materials

Paper
Red Star Mo She Special Effect Xieyi Edition, half-raw (June 2025 batch), China Xuan Paper Co., Ltd., made 2025.06.07
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)
Colour
colour inks, recorded together
The sheet of paper was made 334 days before this painting.
When each paper was in use