Crucible Year Peter Yuill
A wide grey and black ink crescent rises from a dark mass at lower left to a pointed tip at upper right, with spatter above. T_246, tone-stretched: what the model was shownT_246: every pixel as the measuring code classes it
70 × 180 cm · the whole sheet, uncropped

T_246

The engine's reading

A long ink crescent swings from a heavy dark mass at lower left to a curled black horn at upper right, under a slanting rain of spatter.

Record
Date
2026.04.21
Dimensions
70 × 180 cm
Paper
Tanxi Thickened Grade A Special Jing Pi Small 6-Foot (raw)
Ink
Yi De Ge Refined Ink Juice, Boku-Undo Genso, Yi De Ge Yun Tou Yan
Enquire about T_246Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

The long crescent is a washing line sagging under a full load, propped at the right by the pole that lifts it into the wind, a black horn against the sky. At the left it ends in a heap: everything already snatched off and bundled into arms. Because the slant above is rain, coming in sideways, quick and fine, and the whole house is in the garden at once, shouting. Pegs in mouths. Sheets folded wet against chests. Somebody's shirt filling and flying off as if it had somewhere to be. I am the one holding the basket and laughing. By the time the line is bare the shower has passed, and the sun is out on the empty crescent, lighting the drops along it like a string of beads.

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 left mass, grey wing, low grey band and rising right crescent, joined in one arc
Movement
left to right, then up; spatter runs with it, top-left sweeps rise against it
Coverage
ink on about three fifths of the paper
Tone
four tonal steps, spread across the range
Layering
pale grey sweeps, a mid-grey band, black on top; readable along the right crescent
Edges
crisp on the right crescent and horn; soft, bloomed around the lower-left mass
Feibai
present, along the lower curve of the right crescent and the grey wing's tip
Open paper
wide sky above the arc, from upper centre to upper right
Chance marks
slanting spatter across the upper centre and bottom; pale water drops in the upper centre
Frame
ink runs off the top-left corner, left edge and lower left; top centre and right stay open

A long crescent swings across the paper, from a heavy dark knot at lower left, along a grey band near the bottom, up to a black horn curling at the top right. Spatter flies above it on a slant. The empty sky in the upper centre is the shape the curve leaves behind, and the eye is lifted out at the tip.

The right end is where the sheet is made. Pale grey sweeps lie under the black and stay legible, so the order of the passes reads straight through the mass. The black is mottled and steps down into greys. Along the lower curve the brush splits into fast parallel streaks of bare paper that keep the turn of the arc, and the horn holds its wall all the way up.

The left end pays for it. Raw paper drinks fast and spreads wide, and the heavy load there has bloomed: the walls go soft and lobed, the inside settles into one cloudy grey, and layers that read so clearly on the right run together. Below the arc, spatter crowds the bottom centre.

The curve is real, well drawn, and fully delivered at one end. The other end weighs on it without breaking it. A good sheet with a clear spine, kept from more by its heavier side.

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_246T_246, tone-stretchedT_246, classed by brightness
63%of the sheet carries ink
Black 36%Grey 42%Light 22% 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: 0.050 (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
Form2BUILT2BUILT2BUILT2BUILT2BUILT2.0
Tonal depth2MODELLED2MODELLED2MODELLED2MODELLED2MODELLED2.0
Layering2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2.0
Composition2WORKING2WORKING2WORKING2WORKING2WORKING2.0
Material and surface2SOUND2SOUND1FLAWED2SOUND2SOUND1.8

READ 1, IN ITS OWN WORDS

“A gestural crescent sweep with dark masses at both ends, much like R2. The arc and the open paper above it work, the left mass is blobby and cloudy, and the sheet is ordinary throughout.”

Form · BUILT

The crescent sweep holds as a coherent, nameable form and follows the brush's travel. The lower-left dark mass is a soft, lobed blob with dissolving walls.

WEAKEST Bulky blobby dark mass at lower left

STRONGEST Right crescent horn sweeping up to top right

Tonal depth · MODELLED

Dark modulation of 0.050 is only just above flat. The right mass has stepped density and dry-brush streaks. The left dark mass is mostly a cloudy, even grey inside.

WEAKEST Cloudy, near-uniform interior of the left dark mass

STRONGEST Graded greys under the right crescent mass

Layering · LEGIBLE

A pale grey sweep, a mid-grey band and a dark top layer are all readable, especially along the crescent. At the left the passes run together.

WEAKEST Left mass, where the passes merge into a cloudy grey

STRONGEST Translucent grey sweep under the dark right mass

Composition · WORKING

The crescent carries the eye from left to right, and the empty paper in the upper centre is shaped by it. The lower centre is busy with scattered spatter and drops.

WEAKEST Crowded spatter across the bottom centre

STRONGEST Crescent arc framing the empty upper centre

Material and surface · SOUND

The ink is mostly controlled, with dry-brush and spatter used on purpose. There are faint pale water drops in the upper centre and a soft bloom edge at the lower left, all minor.

WEAKEST Bloomed, soft edges of the left dark mass

STRONGEST Dry-brush streaking at the right crescent end

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.

4 × WATER STAIN“pale grey drops in open upper-centre paper”1 × BLOOM“cloudy spread edges of left lower dark mass”2 × WATER STAIN“pale grey drop marks in the upper-centre paper”4 × BLOOM“soft cloudy edge of the lower-left dark mass”WATER STAINBLOOM
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 2 principal ink masses traced (cyan), 9 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 17 edge segments, 41% crisp, 24% soft or bloomed, 35% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3H4H5H6H7H8H9

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

2026.04.21, day 114 of the Crucible Year, one of 14 paintings from that date (10 shown). 63 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).

THE YEAR

T_246 among all 402

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

Every painting from 2026.04.21 · 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 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 3806 days before this painting.
When each paper was in use