Crucible Year Peter Yuill
Wide pale sheet with a long black curving stroke from lower left rising into a large dark mass at right, grey washes behind. T_151, tone-stretched: what the model was shownT_151: every pixel as the measuring code classes it
70 × 180 cm · the whole sheet, uncropped

T_151

The engine's reading

A long black stroke hooks in from the left, runs low over a dry grey sweep, and rises into a heavy, fingered mass at the right.

Record
Date
2026.03.27
Dimensions
70 × 180 cm
Paper
Tanxi Thickened Grade A Special Jing Pi Small 6-Foot (raw)
Ink
Kuretake Shogei Kiwami, Yi De Ge Zhonghua, Boku-Undo Bokkou
Enquire about T_151Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

Fingers on the top edge, round at the tips, and fingers mean it climbed. I know the type. Late at night, something too big hauling itself over the parapet of the parking garage, its long tail still down on the ramp, the front half already sure it has arrived. The guard's radio crackles once and goes quiet. Up here the vents breathe and the sodium lights turn everything the same tired grey. It gets an elbow over, then most of its weight, then just sits there catching its breath, which is most of what climbing is. Beside it, a small ring of wet on the concrete where it stopped to rest.

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
long hooked tail joined to a broad dark mass by one low arc
Movement
crescent rising from lower left to right; nothing runs against it
Coverage
ink on about nine tenths of the paper
Tone
three tonal steps, spread across the range
Layering
pale washes, dry-brush sweep, dark pass; readable together at lower centre
Edges
crisp on tail and tide lines; feathered on right mass; broken in lower sweep
Feibai
present in the grey sweep across the lower centre, beneath the dark arc
Open paper
pale band along the top centre, and a wedge inside the arc
Chance marks
blots upper left, small ring near top right, blooms and runs on mass
Frame
ink runs off left, bottom and right edges; top centre stays open

A long dark stroke enters low at the left, hooks, and runs along the bottom before rising into a heavy black body at the right. The eye travels that crescent once, cleanly, from tail to head.

The tail is the sheet's best thinking. Its outer edge holds firm, and inside it the ink has settled into bands and veins that follow the brush. Beneath it, a fast grey sweep crosses the lower centre, its hairs parted into parallel streaks of bare paper that the raw paper keeps sharp. The dark arc lies over that sweep and both stay legible: the one place where passes stack into depth.

The right mass spends what the tail builds. It swells, its top breaks into round-tipped runs, and the raw paper pulls the wet edges into feathered blooms around a core of flat black that barely moves. Upper left, pale washes have dried into cloudy tide lines around a stray blot, and the space goes unshaped. Creases and a small ring sit on the surface and the sheet absorbs them.

A clear movement and a well-made tail, with the rest given over to weight and haze: the sheet sits squarely in the archive's common run, sure at one end only.

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_151T_151, tone-stretchedT_151, classed by brightness
87%of the sheet carries ink
Black 42%Grey 41%Light 17% SHARE OF THE INK, NOT OF THE SHEET
TONAL STEPS

3 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: 0.067 (under 0.045 reads as flat).

0.300.75123 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 surface1FLAWED1FLAWED1FLAWED1FLAWED2SOUND1.2

READ 1, IN ITS OWN WORDS

“The crescent sweep is strong and the left stroke has good banding, but the right mass is bulky and lobed. The background washes are cloudy with tide edges, and a ring and a blot mar the surface. It sits near R2.”

Form · BUILT

Left crescent stroke sweeps coherently to bottom centre; right dark mass holds its walls but is bulky, with blobby finger lobes along its upper edge.

WEAKEST Right mass: bulky lobed top with drip-like fingers

STRONGEST Left curving tail stroke following brush travel

Tonal depth · MODELLED

Left stroke shows banding and veining; centre-right mass has grain and cloudy greys; the darkest right-hand core reads mostly flat black.

WEAKEST Right black head nearly flat, dense core

STRONGEST Banded arcs inside left curving stroke

Layering · LEGIBLE

Grey background washes, dry-brush sweeps at bottom, and dark crescent read as distinct passes; overlaps legible but order not building depth across sheet.

WEAKEST Pale left background washes vague, cloudy

STRONGEST Dry-brush grey strokes legible under dark crescent

Composition · WORKING

One crescent movement carries the eye from left to the heavy right mass; top-left grey wash area is murky leftover space with a stray blot.

WEAKEST Upper-left quarter of washes, dead and unshaped

STRONGEST Long crescent sweep crossing sheet left to right

Material and surface · FLAWED

Ring mark beside the right dark mass top, tide-edged cloudy washes top-left, isolated blot top-left, and cloudy pale patching inside the central mass visible in colour view.

WEAKEST Cloudy tide-edged washes and ring near right mass

STRONGEST Grainy feathered edges on left crescent stroke

FLAWS

7 distinct places, 3 major.

Each read must name every flaw and where it is, in a ninth of the sheet. Here the reads named flaws in 7 distinct places, 24 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.

9 × TIDE LINE, OTHER, WATER STAIN · MAJOR“hard-edged cloudy grey washes in upper left b…”1 × BLOOM“drip-finger lobes along top edge of central m…”6 × RING, BLOOM · MAJOR“small ring beside top of right dark mass”1 × BLOOM“blotchy grey bloom at left centre”3 × WATER STAIN, BLOOM · MAJOR“cloudy pale patching inside central dark mass”3 × OTHER“crease lines across left tail stroke”1 × OTHER“crease lines across the dark tail”WATER STAINBLOOMRINGTIDE LINEOTHERMAJOR
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 2 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 18 edge segments, 33% crisp, 61% soft or bloomed, 6% 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

2026.03.27, day 89 of the Crucible Year, one of 10 paintings from that date (6 shown). 70 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).

Made after one of the busiest fortnights of the previous two months: 70 works in the fourteen days before.
THE YEAR

T_151 among all 402

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

Every painting from 2026.03.27 · 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 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 3781 days before this painting.
When each paper was in use