Crucible Year Peter Yuill
A wide grey ink crescent sweeps from centre to upper right, with a dense black slab, black wedge and vertical marks at upper left. T_302, tone-stretched: what the model was shownT_302: every pixel as the measuring code classes it
70 × 180 cm · the whole sheet, uncropped

T_302

The engine's reading

A grey crescent of ink swings across a long sheet of raw paper toward the top right, checked at the left by a black slab and blunt verticals.

Record
Date
2026.05.14
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_302Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

The black lump at the upper left is the dog, and he has just understood what the bath is for. The two upright strokes beside him are the taps. Everything else is the long grey curve of the tub filling, and the spatter is what happens when a dog that size decides to shake halfway through. I have been on the bathroom floor for that: towels everywhere, sleeves soaked to the elbow, someone laughing too hard to help. The dog stands in the grey water with the look of a man wronged in court. Afterwards he runs the whole house wet, rubbing himself along the hall carpet, and the empty tub keeps a long grey tide line, curved like a smile.

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
broad grey crescent, black slab and verticals at left, small black wedge top centre
Movement
crescent sweeps down from left and up to top right; left blocks stand against it
Coverage
ink on about two thirds of the paper
Tone
six tonal steps, weighted to the middle greys
Layering
pale wash, darker grey belly, black accents; readable along the lower arc
Edges
crisp on black slab and wedge; soft along arc's upper rim; broken at right
Feibai
present along the right-hand curve of the arc, rising toward the top right
Open paper
rounded bowl from top centre to top right, held inside the arc
Chance marks
small rings at slab and arc junction; blooms and cloudy patch above arc start; spatter lower left
Frame
grey runs off left, right and lower right edges; top and lower left stay open

A grey crescent swings from the middle of the sheet down along the bottom and up to the top right, and the eye rides it the whole way. At the left end it runs into a black slab and a stack of black verticals, and the movement stops there.

The crescent is where the sheet is strongest. A pale wash went down first, then a darker grey belly along the lower curve. The raw paper took each pass fast and kept them apart, so the order still reads. On the right the brush ran drier, and the hairs split into long parallel streaks of bare paper that hold the curve's line to its tip. The arc also gives the paper inside it a clear shape: an open bowl.

The left third pays for it. The slab is square-ended and heavy, so dense it seals the paper, and flat inside apart from one paler lobe low down. The verticals beside it are blunt, and the corner below fills with loose drops. Small rings and a cloudy patch gather where slab meets arc; the sheet absorbs them.

So the sheet is half made. One good passage, one stubborn mass, no settled picture: a typical day in the studio.

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_302T_302, tone-stretchedT_302, classed by brightness
70%of the sheet carries ink
Black 22%Grey 65%Light 13% SHARE OF THE INK, NOT OF THE SHEET
TONAL STEPS

6 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: 0.057 (under 0.045 reads as flat).

0.300.75123456 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, agreeing on 4 of 5 qualities.

Each quality placed on its ladder by each read, and the mean the engine keeps. Where reads differ, they differ by one rung; close calls resolve down.

READ 1READ 2READ 3READ 4READ 5MEAN
Form2BUILT2BUILT2BUILT2BUILT2BUILT2.0
Tonal depth2MODELLED2MODELLED2MODELLED2MODELLED2MODELLED2.0
Layering2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2.0
Composition2WORKING2WORKING2WORKING2WORKING2WORKING2.0
Material and surface1FLAWED1FLAWED2SOUND2SOUND1FLAWED1.4

READ 1, IN ITS OWN WORDS

“A good sweeping grey arc with real texture, held back by a bulky, flat black mass at the top left, crowded blocks along the left edge, and small rings and blooms where the mass meets the arc. Ordinary overall, close to R2.”

Form · BUILT

Large arc right/centre reads as one travelled stroke with dry-brush tail; top-left black mass is bulky, left vertical blocks blunt and stiff.

WEAKEST Bulky slab-like dark mass at top left

STRONGEST Sweeping grey arc following the brush travel

Tonal depth · MODELLED

Arc interior shows mottled grain, banding and graded greys; six tonal steps. Top-left black mass mostly uniform except a lighter lower lobe.

WEAKEST Top-left black mass largely flat inside

STRONGEST Grey arc with grain, mottling and stepped density

Layering · LEGIBLE

Pale wide arc, darker inner grey band and black accents read as distinct passes; at left the black simply covers earlier grey.

WEAKEST Black mass covers greys beneath at left

STRONGEST Translucent grey arc passes overlapping legibly

Composition · WORKING

Arc sweeps from dark top-left down and up to top right, shaping open upper paper; left edge clustered and crowded, lower left scattered splashes.

WEAKEST Crowded left edge with blocky verticals

STRONGEST Large arc carrying eye left to upper right

Material and surface · FLAWED

Small rings/blooms at centre-left where dark mass meets arc, visible in colour view; mottled tide edges in arc start. Dry-brush right side well handled.

WEAKEST Rings and blooms beside the dark mass

STRONGEST Dry-brush streaking in the right arc

FLAWS

3 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 3 distinct places, 14 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.

6 × BLOOM, RING, WATER STAIN, TIDE LINE“blooms and pale ring near top of junction abo…”3 × TIDE LINE, RING, WATER STAIN“lighter lobe edge inside lower part of top-le…”5 × RING, BLOOM, TIDE LINE · MAJOR“small rings at junction of black mass and gre…”WATER STAINBLOOMRINGTIDE LINEMAJOR
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 6 principal ink masses traced (cyan), 7 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 23 edge segments, 39% crisp, 26% soft or bloomed, 35% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3H4H5H6H7

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

2026.05.14, day 137 of the Crucible Year, one of 9 paintings from that date (6 shown). 28 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 15 of the 18 dates before it.
THE YEAR

T_302 among all 402

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

Every painting from 2026.05.14 · 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 3829 days before this painting.
When each paper was in use