Crucible Year Peter Yuill
Curved black and grey bands radiate around a white arch at bottom centre, darkest at lower right, with pale paper across the top. T_337, tone-stretched: what the model was shownT_337: every pixel as the measuring code classes it
97 × 180 cm · the whole sheet, uncropped

T_337

The engine's reading

Bands of grey and black ink wheel up around a white arch at the bottom edge, split by a pale channel and heaped dark at lower right.

Record
Date
2026.06.03
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
Enquire about T_337Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

The pale channel left of centre is the gap in Fortune's wheel. The medieval painters put riders on her rim and gave each a line of Latin: I shall reign, I reign, I have reigned, I am without a kingdom. Here the left is all ascent, grey stepped over grey like a stair still being climbed, and the right is all aftermath, black and settled, heavy with having been king. Fortune turns her handle and never looks. I would rather be the one in the crack. A few drops of ink have slipped through it already, falling toward the white arch at the hub, the only place on any wheel that stays still while the rest goes round.

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
concentric arc bands around a white arch, split by a pale vertical channel
Movement
radial sweep upward and outward; squared band ends and top-right blocks cut across it
Coverage
ink on about four fifths of the paper
Tone
six tonal steps, weighted dark
Layering
pale, mid and dark passes; readable on the left and upper right
Edges
crisp squared band ends throughout; soft fringes on outer greys; broken dry ends lower right
Feibai
present, upper central black band and trailing arc ends at lower right
Open paper
wide band across the top, narrow channel left of centre, arch at bottom centre
Chance marks
small grey drips beside the central channel; one dark speck at upper right edge
Frame
ink runs off left, right and bottom edges; top stays open

A great wheel rises out of the bottom edge. Its hub is a white arch, and its bands step outward in grey and black until they stop short of the open top of the paper. A pale channel splits the wheel just left of centre, and the eye drops down it into the arch.

The left wing is the clearest thinking on the paper. Grey lies over grey, each pass squared off and still visible through the next, climbing from pale outer arcs to a dark core. The paper is half-sized, so every wash dried to its own edge and kept its place in the order. Above the centre, the long black band bends with the brush, and its speed has parted the hairs into streaks of bare paper.

The cost sits at lower right. There the black is so dense and even that it buries the greys beneath it and reads as a slab filled in, heavy where the left is airy. A few grey drips by the channel barely matter.

The sweep still holds. The wheel turns from end to end, its order legible, its centre open: a sheet of real authority, weighed down in one corner and not sunk by it.

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_337T_337, tone-stretchedT_337, classed by brightness
85%of the sheet carries ink
Black 59%Grey 28%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: 0.055 (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
Form2BUILT2BUILT2BUILT3FLUENT3FLUENT2.4
Tonal depth2MODELLED2MODELLED2MODELLED2MODELLED2MODELLED2.0
Layering3ORDERED3ORDERED3ORDERED3ORDERED3ORDERED3.0
Composition2WORKING2WORKING2WORKING2WORKING2WORKING2.0
Material and surface2SOUND2SOUND2SOUND2SOUND2SOUND2.0

READ 1, IN ITS OWN WORDS

“A radial arc composition in the manner of R3, with clear translucent layering, but heavier and more crowded. The large lower-right black is bulky and flat inside, which keeps form, tone and composition at an ordinary level.”

Form · BUILT

Concentric arc bands hold their walls and follow the sweep; the lower-right black mass and top-right inner rectangle read as bulky, filled slabs.

WEAKEST Heavy lower-right black block, bulky and filled in

STRONGEST Upper central dark arc band following brush travel

Tonal depth · MODELLED

Upper arcs show banding, dry streaks and grain; grey left bands stepped. Large lower-right black is mostly flat; modulation 0.055 only modest.

WEAKEST Lower-right black mass, near-uniform interior

STRONGEST Upper central arc band with brush banding and grain

Layering · ORDERED

Six tonal steps; pale, mid and dark arc passes overlap translucently in a readable order on left and top right, building depth like R3.

WEAKEST Lower-right black covers earlier passes opaquely

STRONGEST Stepped translucent grey arcs on left and top right

Composition · WORKING

Radial arcs carry the eye round to the open circle at bottom centre; the white gap is shaped, but 85% coverage leaves the right crowded and weighty.

WEAKEST Crowded, heavy dark lower right

STRONGEST White vertical channel opening into bottom-centre circle

Material and surface · SOUND

Ink controlled; small ink drops near left-centre gap and a speck at right edge; paper creases visible in tone-stretched darks, not disruptive.

WEAKEST Stray drips beside left-centre grey bands

STRONGEST Dry-brush trailing edges at bottom right of arcs

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.

2 × OTHER“small ink drips beside grey bands at left-cen…”4 × OTHER“small dark specks at right edge”3 × OTHER“Small grey drips beside left arc ends in cent…”WHOLE SHEET · 2 × OTHEROTHER
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 2 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 18 edge segments, 50% crisp, 50% soft or bloomed, 0% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3

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

2026.06.03, day 157 of the Crucible Year, one of 12 paintings from that date. 18 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: P3 The Floor Rises (working title).

Every painting from 2026.06.03 is shown here. 2 other dates with more than five works can say the same.
THE YEAR

T_337 among all 402

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

Every painting from 2026.06.03 · 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)
The sheet of paper was made 361 days before this painting.
When each paper was in use