Crucible Year Peter Yuill
Two dark fan shapes rise from the bottom left and right, spattered at their tops, around a pale grey circle on cream paper. T_315, tone-stretched: what the model was shownT_315: every pixel as the measuring code classes it
97 × 180 cm · the whole sheet, uncropped

T_315

The engine's reading

Two black fans rise from the bottom edge and lean toward a pale grey disc, their crests breaking into spatter against bare paper.

Record
Date
2026.05.24
Dimensions
97 × 180 cm
Paper
Red Star Mo She Imitation Antique Chu Bark, Exhibition Edition, half-raw
Ink
Yi De Ge Refined Ink Juice, Boku-Undo Genso, Yi De Ge Yun Tou Yan
Enquire about T_315Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

The spatter over the left crest is the part I believe. Every impact in the solar system threw something like it: a fan of grit leaving at speed, most of it never coming down. The Moon is most likely the leftovers of one such collision, gathered up and made to orbit. Saturn's rings are thinning, raining slowly into the planet, and long before the Sun grows old they will be gone without anyone filing a complaint. The black below is the heavy part, settled and sure of itself. I prefer the debris. It left the event and did not look back, and somewhere past the edge of the paper it is still travelling, cold and small and perfectly on time.

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
two dark fans rising from the bottom, joined by a pale grey central disc
Movement
arcs sweep up and inward; the centre turns; spatter flies upward off crests
Coverage
ink on about two thirds of the paper
Tone
five tonal steps, weighted dark
Layering
grey washes, stepped bands, heavy blacks; readable in the centre and fan edges
Edges
crisp band edges in the fans; bristled crests; soft wash edges in the centre
Feibai
present along the right fan's outer curving edge
Open paper
broad band across the top, dipping into a valley between crests
Chance marks
spatter above both crests; cloudy pale patches in the central disc
Frame
ink runs off the bottom edge; top, left and right stay open

Two dark fans rise off the bottom edge and lean in toward a pale grey disc. Their crests burst into spatter, so the empty paper above has a shape of its own. The eye goes round the disc and out through the tops.

The right fan is the stronger of the two. Its bands curve with the path of the brush and step inward in order, and at its outer edge the hairs part into streaks of bare paper that carry the sweep on. In the centre, translucent greys lie over one another and stay legible: the half-sized paper holds each edge where it falls, so the passes stack instead of sinking together.

The left fan pays. A square block sits at its foot, blunt and stiff, crowding the corner. Above it the black goes on so heavily that it seals what came before and reads flat inside. The central washes cloud in places, a small loss the sheet absorbs.

That leaves a sound sheet with one live side. The structure holds and the centre breathes; the left half keeps it from more.

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_315T_315, tone-stretchedT_315, classed by brightness
69%of the sheet carries ink
Black 60%Grey 31%Light 9% 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: 0.040 (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 2 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 depth1THIN1THIN2MODELLED2MODELLED2MODELLED1.6
Layering2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE3ORDERED2.2
Composition2WORKING2WORKING3COMMANDING2WORKING2WORKING2.2
Material and surface2SOUND2SOUND2SOUND2SOUND2SOUND2.0

READ 1, IN ITS OWN WORDS

“This sheet takes up R3's radiating-arc motif but has flatter black cores, stiffer slab blocks at the bottom left and a less resolved layering. The pale centre and the splattered fan tops hold it near ordinary.”

Form · BUILT

Both fans are coherent arc forms with holding walls; the right fan's curved strokes follow the brush, but the left fan's lower rectangle and squared slabs are stiff.

WEAKEST Blunt rectangular block at bottom left of left fan

STRONGEST Right fan's curved bands following the arc of travel

Tonal depth · THIN

Dark modulation 0.040, below the flat threshold; the black cores of both fans are uniform inside, and tone changes mainly at band edges. Greys live only in the centre.

WEAKEST Flat black interior of left fan upper block

STRONGEST Pale grey arc banding in central circle

Layering · LEGIBLE

The grey wedges stepping toward the centre and the pale circle overlap legibly; in the black cores later passes mostly cover the earlier ones.

WEAKEST Dark fan cores where later black covers earlier passes

STRONGEST Translucent grey overlaps in the central circle and left fan

Composition · WORKING

The two fans converge on a pale circular centre, and the shaped empty paper above gives direction; the bottom corners are dense and the two halves sit as matching blocks.

WEAKEST Heavy, near-symmetrical dark masses crowding the lower corners

STRONGEST Central pale circle linking the two fans

Material and surface · SOUND

Ink is controlled, with deliberate splatter at the top edges. The paper is yellowed overall and the centre has slightly cloudy washes, but there is no stain in the dark masses.

WEAKEST Cloudy grey washes in the central circle

STRONGEST Dry-brush splatter and bristle edges on fan tops

FLAWS

3 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 3 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.

1 × WATER STAIN“pale smudge on paper at left edge beside fan”5 × WATER STAIN“cloudy pale wash patches in central circle”WHOLE SHEET · 5 × OTHERWATER STAINOTHER
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 6 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 31 edge segments, 29% crisp, 58% soft or bloomed, 13% 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

2026.05.24, day 147 of the Crucible Year, one of 10 paintings from that date (9 shown). 15 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).

Made after a calmer fortnight than 15 of the 15 dates before it.
THE YEAR

T_315 among all 402

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

Every painting from 2026.05.24 · This date in the year

Materials

Paper
Red Star Mo She Imitation Antique Chu Bark, Exhibition Edition, half-raw, China Xuan Paper Co., Ltd. (中国宣纸股份有限公司), made 2026.01.14
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 130 days before this painting.
When each paper was in use