Crucible Year Peter Yuill
Wide black and grey rectangular slabs tilt across a pale sheet, filling its lower part, with a narrow black wedge at upper right. T_140, tone-stretched: what the model was shownT_140: every pixel as the measuring code classes it
70 × 140 cm · the whole sheet, uncropped

T_140

The engine's reading

Black and grey slabs tilt and stack across a long sheet of cooked paper, while a thin black wedge drops in at upper right.

Record
Date
2026.03.24
Dimensions
70 × 140 cm
Rating
5.0
Paper
Qing Yi Cooked Xuan
Ink
Kuretake Shogei Kiwami, Yi De Ge Zhonghua, Boku-Undo Bokkou
Enquire about T_140Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

At the top left the water dried in bands, and I know those bands. A tide does that on a flat beach in February: leaves its old edges one inside another, each a little fainter, each a place it gave up. Behind the beach is the cliff, heavy and black, the part the postcards crop out. Gulls do not land on it. The beach at least keeps its accounts open. It shows every time the water came in, how far it got, how soon it changed its mind. I would walk that strip in a coat that is too thin. Low tide, grey light, the sea gone somewhere past the edge of the paper and not coming back today.

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 V23's reads, from the settled findings, and checked by hand before approval. It explains V23's numbers and may not change them.

Structure
tilted slabs at left, horizontal black band at right, tapering wedge top right
Movement
left slabs lean on a rising diagonal; right band lies flat against it
Coverage
ink on about four fifths of the paper
Tone
four tonal steps, weighted dark
Layering
pale washes, grey blocks, black slabs; readable at top right and slab margins
Edges
crisp slab sides; ragged dry top on upper-left slab; soft wash edges
Feibai
none
Open paper
leftover strip along the top; narrow diagonal white gap at left
Chance marks
tide bands top left, milky patch lower left, blots above centre, creases in darks
Frame
ink runs off bottom, left and right; top stays mostly open

Dark slabs fill the lower sheet like stacked freight: two tilted bars on the left, a long black band on the right, and only a strip of bare paper left along the top. The tilt gives the left side a slight lean. The right side stops it flat.

The best mark is the smallest. At upper right a black wedge tapers to a point, the one shape here that follows the brush's travel instead of being filled in. Behind it a grey square still shows through, an earlier pass left readable. On the upper-left slab the top edge breaks into dry, ragged hairs, and the white gap below it gives the left half its one clean interval.

The cost is weight. The central block is painted in, its interior almost one even dark, and the right band repeats it at length. Cooked paper holds ink at the surface, so the blacks sit as covers, not depths. Water pooled the same way at top left and dried into cloudy tide bands. The creases in the darks are minor.

One clean stroke and a great deal of filling. The wedge is worth finding. The rest presses down and stays there.

Read and measured

The rating

THE RATING

T_140, rated 5.0

The combined score, out of 10: V23's reading of the photograph as the read half and V24's twelve tests on the 16-bit file as the measured half, added and divided by 10. The scale is relative to this archive. How each half is made is on the Method page.

READ HALF16.0V23's rating, 3.2, × 5
+
MEASURED HALF34.1twelve tests, of 50
→
RATING5.050.1 ÷ 10
THE READ HALF, V23
Form
1.0 · blunt
Tonal depth
1.8 · modelled
Layering
2.0 · legible
Composition
1.0 · inert
Material and surface
1.0 · flawed
THE MEASURED HALF, V24
Mass
7.3 of 10
Tone
7.6 of 14
Void
6.4 of 8
Flow
6.4 of 10
Balance
6.4 of 8
Measured

How it was measured

FROM THE 16-BIT FILE

What V24 measured.

Plain physical facts with no model involved. Across the year they track how the practice changes. On one sheet they cannot say whether a mark is any good. Millimetres read a few percent high, because the photographs are cropped just inside the paper's edge.

MASS WIDTH110 mm

The width of the ink mask along its medial axis.

DEPTH OF THE DARKS1.37

Optical density at the 75th percentile of the sheet.

LARGEST VOID189 mm

The radius of the largest circle of open paper.

DIRECTIONS0.17

How far the marks align across the sheet. Lower means they run several ways.

BALANCE0.54

Left and right asymmetry of the ink. Lower is more even.

THE FILE4.70

Pixels to the millimetre in the TIFF these were measured from, with the studio light removed.

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_140T_140, tone-stretchedT_140, classed by brightness
79%of the sheet carries ink
Black 66%Grey 26% 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: 0.048 (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, 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
Form1BLUNT1BLUNT1BLUNT1BLUNT1BLUNT1.0
Tonal depth2MODELLED2MODELLED1THIN2MODELLED2MODELLED1.8
Layering2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2.0
Composition1INERT1INERT1INERT1INERT1INERT1.0
Material and surface1FLAWED1FLAWED1FLAWED1FLAWED1FLAWED1.0

READ 1, IN ITS OWN WORDS

“The sheet is built from slab rectangles and wedges, like R1 but darker and more crowded. The forms are blunt and the composition is jammed. Tone is modest and the layering legible. A cloudy, tide-edged wash at top left mars the surface.”

Form · BLUNT

Principal marks are blunt rectangles and wedges of ink: the upper-left slab, the large central block and the right mass are bulky fills, not shapes that follow a brush's travel.

WEAKEST central dark rectangle, a bulky filled slab

STRONGEST tapering black wedge at upper right

Tonal depth · MODELLED

The tone-stretched view shows grain in the upper-left and upper-right grey slabs and banding low in the right mass. The central block stays flat; the modulation of 0.048 is only just above flat.

WEAKEST central black block interior largely flat

STRONGEST upper-left slab graded from dark to grainy grey

Layering · LEGIBLE

There are two or three passes. The pale washes at top left and centre sit under the darker slabs, and the grey slab at upper right still reads beneath the wedge and the black band.

WEAKEST black masses cover underlying passes rather than layering

STRONGEST grey slab legible behind the black wedge, top right

Composition · INERT

About 79% of the sheet carries ink and the blocks sit side by side. The lower half is crowded, and the empty paper at the top is leftover space with little shape. There is little flow.

WEAKEST lower half jammed solid with dark blocks

STRONGEST diagonal white gap between the two left slabs

Material and surface · FLAWED

A cloudy, banded pale wash with tide edges sits against the upper-left slab. There is a milky patch at lower left, and crease lines run through the central and right dark masses. These are visible in the colour view.

WEAKEST cloudy, tide-edged wash at top left

STRONGEST dry-brush ragged top edge of upper-left slab

FLAWS

8 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 8 distinct places, 20 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 × TIDE LINE · MAJOR“banded cloudy wash at upper-left beside the s…”1 × OTHER“creases visible across the top paper band”2 × WATER STAIN“diffuse grey stain and milky wash at left edge”4 × OTHER“crease or crack lines inside the central and …”2 × WATER STAIN“milky pale patch at lower left beside the gre…”4 × TIDE LINE, WATER STAIN · MAJOR“pale curved edge inside the central dark bloc…”2 × WATER STAIN · MAJOR“pale bleached streaks at the bottom of the ri…”WHOLE SHEET · 1 × OTHERWATER STAINTIDE LINEOTHERMAJOR
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 7 principal ink masses traced (cyan), 3 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 28 edge segments, 43% crisp, 57% soft or bloomed, 0% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3

V23's rules and arithmetic, and every figure under its own name, are in the Archive record.

Date

2026.03.24, day 86 of the Crucible Year, one of 12 paintings from that date (1 shown). 58 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: 58 works in the fourteen days before.
THE YEAR

T_140 among all 419

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

Every painting from 2026.03.24 · This date in the year

Materials

Paper
Qing Yi Cooked Xuan, Jingxian Sichijian Xuan Paper Arts & Crafts Co., Ltd., made unknown
Ink MB1
Kuretake Shogei Kiwami, Kuretake
Ink MB2
Yi De Ge Zhonghua, Yi De Ge (Beijing)
Ink MB3
Boku-Undo Bokkou, Boku-Undo
When each paper was in use