Crucible Year Peter Yuill
A black wedge and a heavy curved band at lower left lead into a wide streaked grey arc spreading right, with drips below. T_197, tone-stretched: what the model was shownT_197: every pixel as the measuring code classes it
97 × 180 cm · the whole sheet, uncropped

T_197

The engine's reading

A black wedge and a heavy curved band at lower left throw a wide fan of streaked grey up and across the paper toward the right edge.

Record
Date
2026.04.08
Dimensions
97 × 180 cm
Paper
Red Star Mo She Special Effect Xieyi Edition, raw
Ink
Kuretake Shogei Kiwami, Yi De Ge Zhonghua, Boku-Undo Bokkou
Enquire about T_197Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

The black wedge over the white hollow at the left is a brow, and the hollow is the eye beneath it, wide open. Everything else is the look, flung out to the right in a grey fan, every bristle a line of sight. At the far end sit dark spots, and I know them from the inside: floaters, specks adrift in the eye's own jelly, seen only against bright sky. Turn to catch one and it slides away, keeping its distance like a gull that will not be fed. I spent a whole summer as a child chasing mine across the clouds. They never let me near. They are still out there at the edge of every blue afternoon, small and grey, swimming just ahead of where I look.

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
black wedge over a long curved dark band; grey arc fanning out right
Movement
rising sweep from lower left to upper right; the wedge's point briefly counters it
Coverage
ink on about half of the paper
Tone
three tonal steps, spread across the range
Layering
two kinds, black strokes over translucent grey, readable where they cross at centre
Edges
crisp on wedge and band; dry and broken on arc; frayed on right panel
Feibai
present, across the central grey arc and the dark band's lower left tail
Open paper
broad empty band across the top left; open wedge at lower right
Chance marks
two dark blooms in right panel; drops below it; light spatter upper left
Frame
ink nears the left and bottom edges at lower left; top and right stay open

The eye lands on the black at lower left and is thrown up and right, through a fan of grey, toward the far edge. One rising movement organises the whole sheet, and it reads from across the room.

Two passages hold it. The wedge at upper left narrows to a point as clean as a cut, aimed into the white hollow it encloses. In the centre the grey arc is all bristle. On raw bark paper this quick and this grippy, a fast brush touches only the top of the fibre, and the hairs leave long parallel lanes of bare white that keep the curve true. Where the dark band crosses the arc, black sits plainly on grey.

The costs sit at either end. Below the wedge the dark mass thickens into a slab, near-flat inside, ending blunt and ragged. On the right the grey passes run together into wrinkled tide lines, two dark blooms settle inside them, and drops scatter below, so the movement lands somewhere soft.

The sheet is reliable and well above routine: the rise, the wedge and the arc would hold up in better company. The heavy foot and the loose landing keep it from going higher.

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_197T_197, tone-stretchedT_197, classed by brightness
52%of the sheet carries ink
Black 34%Grey 43%Light 22% 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: 0.051 (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, 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 surface2SOUND1FLAWED2SOUND2SOUND1FLAWED1.6

READ 1, IN ITS OWN WORDS

“This is an ordinary, energetic sheet with a strong rising diagonal and a fluent wedge. A bulky lower dark mass, a cloudy mottled right panel with soft blooms, and loose spatter keep every ladder at a working average.”

Form · BUILT

Upper-left wedge tapers fluently; the long curved boat-form holds its walls but the lower-left mass is slab-like, and the right grey panel's edges dissolve into drips.

WEAKEST Bulky lower-left dark slab with ragged blunt end

STRONGEST Tapering dark wedge at upper left

Tonal depth · MODELLED

Dark lower mass shows horizontal streaks and banding; the central arc has bristle grain; right panel is a mid-grey mottle without real range. Modulation 0.051, just above flat.

WEAKEST Mottled right grey panel reads cloudy, little depth

STRONGEST Dry-brush streaked grey arc sweeping centre

Layering · LEGIBLE

Black boat-form and wedge read clearly over and beside the grey sweeping arc; about two to three passes, legible where they meet, without a built sequence across the sheet.

WEAKEST Right panel's dark blots sit ambiguously in grey

STRONGEST Dark boat-form over translucent grey arc, centre

Composition · WORKING

A clear rising movement carries the eye from the dark lower left up through the arc; top-left paper is shaped, but lower-right drops and the right panel feel loose.

WEAKEST Scattered spatter and drips in the lower right

STRONGEST Rising diagonal sweep from lower left to upper right

Material and surface · SOUND

Ink is controlled in the dark masses and the dry-brush arc; the right panel has reticulated mottling and two soft dark blooms, though these sit away from the principal black mass.

WEAKEST Dark blooms inside the right grey panel

STRONGEST Dry-brush grain in the central arc

FLAWS

3 distinct places, 1 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, 14 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. A major flaw holds Material and surface at rung 1.

2 × OTHER, WATER STAIN“pale cloudy patch under the dark wedge”8 × BLOOM, WATER STAIN, TIDE LINE · MAJOR“two soft dark blots inside the right grey pan…”4 × OTHER“scattered drips and drops below the right pan…”WATER STAINBLOOMTIDE LINEOTHERMAJOR
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 4 principal ink masses traced (cyan), 7 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 18 edge segments, 56% crisp, 0% soft or bloomed, 44% 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

2026.04.08, day 101 of the Crucible Year, one of 22 paintings from that date (11 shown). 37 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).

THE YEAR

T_197 among all 402

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

Every painting from 2026.04.08 · This date in the year

Materials

Paper
Red Star Mo She Special Effect Xieyi Edition, raw, China Xuan Paper Co., Ltd., made 2025.12.08
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 121 days before this painting.
When each paper was in use