Crucible Year Peter Yuill
A large dark grey arch sweeps across pale paper, with drips at left, dry streaks at right, and a white dome-shaped space at bottom centre. T_294, tone-stretched: what the model was shownT_294: every pixel as the measuring code classes it
97 × 180 cm · the whole sheet, uncropped

T_294

The engine's reading

A broad ink arch, black at its core and grey at its rim, sweeps from a splashed left edge over a white dome of 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
Enquire about T_294Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

The creases came out of the drawer with it. You know the kind of sheet: ironed once, folded into eight, saved for guests who never stayed. When you finally make the bed with it, the folds stay in, a grid of old patience under your back. You smooth the dark down over them and the drawer still shows through. I trust a thing that cannot hide where it was kept. Someone will sleep here anyway. Someone will turn in the night and lay a hand flat on the black and feel the fold. In the morning there will be one dropped spot of coffee on the white floor below, drying, catching the window.

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 fan laid inside a broad grey arc, over a pale inner ring
Movement
one arc rising left, crossing the top, falling lower right; left drips run downward against it
Coverage
ink on about three quarters of the paper
Tone
three tonal steps, weighted dark
Layering
three passes, pale ring, grey band, dark fan; readable at the fan's edges
Edges
firm on the dark fan, feathered on the grey rim, broken at right and left
Feibai
present in the outer grey arc at upper right and the trailing strokes at lower right
Open paper
white dome under the arch at bottom centre; pale top-left corner
Chance marks
spatter and drips at lower left; spiked blot in the white dome; crease lines across the dark fan
Frame
ink runs off top, right and bottom; left edge and top-left corner stay open

One arc takes the whole sheet. It rises from a splashed left edge, runs along the top and comes down at the lower right in a spray of dry strokes. Beneath it a dome of bare paper stands at the bottom centre, shaped entirely by the curve above.

The life is in the grey. The outer band keeps the full speed of the brush. At the upper right the hairs part into flying white, and at the lower right the stroke breaks into streaks that still travel. Half-sized bark paper holds each pass where it lands, so the grey keeps its banding and stays legible where the black overlaps it.

The black fan is the problem. It is laid in rather than drawn, almost one density from end to end, and cut square at the left like a slab. Its only inner event is the paper's crease lines showing through. It buries most of the grey beneath it, and the left spatter and the bare top corner feel leftover.

The main move is sure and the grey is alive, but the heaviest shape here is the least worked. Good, steady work, a step above the common run, held down by its own centre.

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_294T_294, tone-stretchedT_294, classed by brightness
77%of the sheet carries ink
Black 47%Grey 48% 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: 0.047 (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, 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 surface2SOUND2SOUND2SOUND2SOUND2SOUND2.0

READ 1, IN ITS OWN WORDS

“A single sweeping arc with a dark fan over a grey band. The structure is legible, but the dark mass is near-flat and slab-like, with fewer passes than R3. An ordinary sheet overall.”

Form · BUILT

Arc forms hold and follow the curve; the central dark fan is bulky and filled in, with a squared-off left end rather than a stroke-led edge.

WEAKEST dark fan reads as a filled slab

STRONGEST outer grey arc following brush sweep

Tonal depth · MODELLED

Interior modulation 0.047 is just above flat; the dark fan shows only slight variation and creases. Grey outer arc and lower-right dry-brush give banding.

WEAKEST dark fan interior nearly uniform

STRONGEST outer grey band with streaked brush grain

Layering · LEGIBLE

Three passes are readable: pale inner arc, grey outer band, dark fan. Overlaps stay legible but don't build a sequence the way R3 does.

WEAKEST dark fan covers rather than layers

STRONGEST grey outer arc under dark fan edge

Composition · WORKING

The big arc carries the eye from left to bottom right, and the empty paper inside the arc is shaped. The left splatter zone and top-left corner are weak.

WEAKEST left splatter end feels busy and cut

STRONGEST sweeping arc enclosing shaped paper at bottom

Material and surface · SOUND

The ink is controlled, with dry-brush at lower right. Paper creases cross the dark fan and there is a small blot in the centre void; neither seriously disrupts the main mass.

WEAKEST crease network across dark mass

STRONGEST dry-brush breakup at lower right

FLAWS

2 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 2 distinct places, 10 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.

5 × OTHER“crease lines across dark fan interior”5 × OTHER“isolated ink blot in pale centre opening”OTHER
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 1 principal ink mass traced (cyan), 7 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 15 edge segments, 33% crisp, 40% soft or bloomed, 27% 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

2026.05.07, 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_294 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)
The sheet of paper was made 334 days before this painting.
When each paper was in use