Crucible Year Peter Yuill
Black and grey curved ink bands form a wide arc from upper left to lower right around a half circle of white paper. T_336, tone-stretched: what the model was shownT_336: every pixel as the measuring code classes it
97 × 180 cm · the whole sheet, uncropped

T_336

The engine's reading

A great wheel of curved ink segments, pale outer bands to black inner blocks, swings from upper left down past a half circle of bare white.

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_336Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

The ring is going up in sections. I watched them dock: pale ones first, then grey, then the black ones with the heavy shielding, each lowered onto the last until the curve held its own weight. Below it hangs the world, white and unlit, still uninhabited. The colonists are still asleep somewhere past the right edge, where the ring runs out of sky. One module came in square. It docked all the same, at the far end, too stiff for the curve, and the engineers left it there because it held pressure, and because by then someone was living in it. Hairline cracks run across the hull from the long trip in. On the morning shift the black sections face the sun first and stay warm longest.

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
stacked curved segments forming one broad arc around an open circle
Movement
diagonal sweep from top left to bottom right; squared top-left block resists the curve
Coverage
ink on about four fifths of the paper
Tone
five tonal steps, weighted dark
Layering
pale, mid-grey and black passes, readable along the whole sweep
Edges
crisp segment walls along the arc; dry, frayed ends at block corners
Feibai
none
Open paper
half circle under the arc at bottom right of centre; wedge at lower left
Chance marks
crease lines across central greys, spatter at left margin, drips bottom centre
Frame
arc runs off right, bottom and top edges; left edge stays open

A single wheel of ink turns across the paper, from a black slab at upper left, over the top in pale bands, and down off the right edge around a half circle of bare white. Built in curved segments, it moves the eye the way the brush moved.

The inner arc is the best of it. Along the lower band the bristles left fine concentric grooves, and the half-sized bark paper holds them crisp. Centre right, translucent passes stack without sinking into one another: pale rings beneath, mid-grey over them, black on top, each crossing a clean darker step. Even the dark arc at right keeps grain inside its black.

The costs sit at the ends. The top-left block is a squared slab with a flat core, and it parks at the start of the curve instead of turning with it. The lower-left paper reads as leftover, and the right edge jams against the frame. Fine crease lines cross the central greys, and the sweep absorbs them.

The movement is earned from end to end, and the faults stay local, costing balance but never the arc. A strong, confident sheet.

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_336T_336, tone-stretchedT_336, classed by brightness
80%of the sheet carries ink
Black 51%Grey 39%Light 10% SHARE OF THE INK, NOT OF THE SHEET
TONAL STEPS

5 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: 0.072 (under 0.045 reads as flat).

0.300.7512345 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
Form2BUILT2BUILT2BUILT3FLUENT2BUILT2.2
Tonal depth3DEEP3DEEP3DEEP3DEEP3DEEP3.0
Layering3ORDERED3ORDERED3ORDERED3ORDERED3ORDERED3.0
Composition2WORKING2WORKING2WORKING2WORKING2WORKING2.0
Material and surface2SOUND2SOUND2SOUND2SOUND2SOUND2.0

READ 1, IN ITS OWN WORDS

“A layered arc composition close to R3 in kind, with good tonal range and readable translucent passes. It is less resolved: there is a slab-like top-left block, a passive lower-left corner and creases across the arcs.”

Form · BUILT

Inner and right arc bands curve with the stroke and hold their walls; the top-left black block is a blunt, squared slab with ragged left edge.

WEAKEST Top-left dark block, a stiff rectangular slab

STRONGEST Lower inner arc band following brush travel

Tonal depth · DEEP

Five tonal steps; arcs show brush banding and stepped density; right dark arc modulated (0.072); greys range from pale outer bands to black.

WEAKEST Top-left black block fairly even in its core

STRONGEST Right dark arc with grain and banding

Layering · ORDERED

Several translucent passes stacked as arc segments; overlaps legible as darker steps, order readable from pale outer bands to dark inner blocks.

WEAKEST Upper-right pale bands blur into each other

STRONGEST Overlapping translucent arc segments centre-right

Composition · WORKING

Large arc carries the eye diagonally and the inner void is shaped; lower-left corner is passive and the mass crowds the right edge.

WEAKEST Lower-left empty paper feels leftover

STRONGEST Sweeping arc from top-left to bottom-right

Material and surface · SOUND

Ink controlled with dry-brush edges; crumple crease lines cross the central masses, small spatter at left margin and drips bottom centre, away from principal masses.

WEAKEST Crease lines crossing central arcs

STRONGEST Dry-brush banding in inner arc

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, 17 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/crackle lines across central grey arcs”2 × WATER STAIN, OTHER“brownish marks at right edge”5 × OTHER“stray spots near left margin”5 × OTHER“small drips below inner arc”WATER STAINOTHER
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 1 principal ink mass traced (cyan), 4 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 14 edge segments, 36% crisp, 57% soft or bloomed, 7% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3H4

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_336 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