Crucible Year Peter Yuill
Wide ink painting: a heavy black wave fills the lower half, a streaked grey arc curls upper right, and pale grey splashes sit upper left. T_157, tone-stretched: what the model was shownT_157: every pixel as the measuring code classes it
70 × 180 cm · the whole sheet, uncropped

T_157

The engine's reading

A dark swell of ink rolls the length of a long sheet. At the right it lifts into a grey crest of streaked brushwork, with splashes scattered above.

Record
Date
2026.03.28
Dimensions
70 × 180 cm
Paper
Tanxi Thickened Grade A Special Jing Pi Small 6-Foot (raw)
Ink
Kuretake Shogei Kiwami, Yi De Ge Zhonghua, Boku-Undo Bokkou
Enquire about T_157Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

The long dark swell is a belly late in a pregnancy, seen from the side, the way you see the horizon from a boat. At the right it lifts into a grey crest and curls back on itself, and that is where the kick came. My mother let me keep my hand flat there one evening. Nothing happened for so long I gave up, and then the whole hill moved under my palm, like something turning over in deep water. I took my hand away as if burned. Above the swell, small and dark and upright in the pale strip of light, is what it turned out to be: my brother, all elbows, already trying to stand.

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
low black swell, grey crest rising right, loose splashes above
Movement
left to right along the swell, the right arc curling back against it
Coverage
ink on about nine tenths of the paper
Tone
four tonal steps, weighted dark
Layering
pale splashes, grey arcs, black base; readable at left and right overlaps
Edges
ragged crisp top to the black at left; soft crest edges at right
Feibai
present in the sweeping arc and crest, upper right
Open paper
thin light strip across the top centre, above the swell
Chance marks
spatter upper left and centre; water stain centre; white nick right
Frame
ink runs off left, bottom and right; top mostly open, touched upper left

A long dark swell fills the lower half of the paper and rolls from left to right. At the right it rises into a grey crest that curls back over itself. Above it, pale splashes and a dark upright splash hang in a thin strip of light.

The right arc is where the sheet comes alive. One fast sweep has split into fine parallel streaks of bare paper, and the thick raw paper, which grips a dry brush hard, has kept every hair. Beneath that arc the greys step down in clear bands, so the crest has a front and a back.

The lower left gives little back. The black there is a filled slab with a stiff left wall, almost the same dark from edge to edge, and it buries the passes laid under it. A milky water stain sits on the band's edge at centre, and a white nick shows in the black to the right. The sheet absorbs both, though they show how little else happens inside that dark.

The wave moves and the crest breathes, but half the paper is weight without incident. The sheet is competent and readable, with one passage of real life and a heavy floor holding it down.

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_157T_157, tone-stretchedT_157, classed by brightness
89%of the sheet carries ink
Black 57%Grey 31%Light 12% 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: 0.048 (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, 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 surface1FLAWED1FLAWED1FLAWED1FLAWED1FLAWED1.0

READ 1, IN ITS OWN WORDS

“Landscape-like wave of layered grey and black bands with good horizontal flow and a fine dry-brush arc at right, but a heavy, flat lower black mass and small water accidents near centre keep it ordinary.”

Form · BUILT

Wave bands follow brush travel through centre and right; lower-left black mass is a heavy filled slab with stiff vertical left edge.

WEAKEST Bottom-left dark slab, bulky and filled-in

STRONGEST Right sweeping arc wave with dry-brush striations

Tonal depth · MODELLED

Stretched view shows stepped greys and arcs in right wave and upper-left band; lower black band is largely flat; modulation 0.048 just above flat.

WEAKEST Lower dark band interior nearly uniform

STRONGEST Right arc grey with striations and graded density

Layering · LEGIBLE

Pale splash layer top, grey wave bands, then black base; overlaps readable at left and right, but bottom black largely buries what is beneath.

WEAKEST Lower black band covers earlier passes

STRONGEST Grey upper-left band overlapping dark band, legible

Composition · WORKING

Wave line gives clear horizontal flow; 89% coverage leaves little shaped paper; top-left splashes scattered; lower half dead weight.

WEAKEST Bottom half crowded, heavy dark mass

STRONGEST Undulating horizon wave carrying eye left to right

Material and surface · FLAWED

Cloudy pale patch and ring near centre at dark band edge, white nick mid-right in black, vertical streak marks in lower black; visible in colour view.

WEAKEST Pale milky blotch at centre on dark edge

STRONGEST Dry-brush striations in right arc

FLAWS

5 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 5 distinct places, 20 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.

3 × WATER STAIN, RING“scattered drops and cloudy pale rings top rig…”6 × WATER STAIN, OTHER, RING, BLOOM“Pale cloudy patch at edge of dark band, centre”3 × OTHER“White nick/void inside black band mid-right”5 × TIDE LINE, OTHER, WATER STAIN“Vertical streak lines inside lower black mass”3 × BLOOM, OTHER, WATER STAIN“Pale bloom at lower-right edge of dark mass”WATER STAINBLOOMRINGTIDE LINEOTHER
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 1 principal ink mass 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, 18% crisp, 47% 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

2026.03.28, day 90 of the Crucible Year, one of 4 paintings from that date (2 shown). 80 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: P1 Warm-up (working title).

Made after one of the busiest fortnights of the previous two months: 80 works in the fourteen days before.
THE YEAR

T_157 among all 402

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

Every painting from 2026.03.28 · 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 MB1
Kuretake Shogei Kiwami, Kuretake
Ink MB2
Yi De Ge Zhonghua, Yi De Ge (Beijing)
Ink MB3
Boku-Undo Bokkou, Boku-Undo
The sheet of paper was made 3782 days before this painting.
When each paper was in use