Crucible Year Peter Yuill
A wide black diagonal mass from upper left meets a curved black arc on the right, with upward ink spray at centre and pale grey washes. T_269, tone-stretched: what the model was shownT_269: every pixel as the measuring code classes it
97 × 180 cm · the whole sheet, uncropped

T_269

The engine's reading

A broad black slab climbs toward the upper left and meets a curved black arc swinging right, with a spray of ink thrown upward where they join.

Record
Date
2026.04.26
Dimensions
97 × 180 cm
Paper
Tanxi Thickened Grade A Half-Raw 6-Foot
Ink
Yi De Ge Refined Ink Juice, Boku-Undo Genso, Yi De Ge Yun Tou Yan
Enquire about T_269Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

The creases in the big black are what I took away. Fine cracked lines, the way skin goes when it has been made into a fist too many times and then let open. My uncle's hands did that. After his shift he laid them flat on the bar and the backs turned into maps of every crate he ever lifted. There are two small white nicks in there as well, bare paper, the pale kind of scar a working hand keeps from a slipped knife and never mentions. The arc on the right gets the compliments, and fair enough. I would still rather hold the other side, heavy, crumpled, warm from carrying. Somewhere in those creases he is drying the same glass with a bar towel, slowly, twice.

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
broad left diagonal slab meeting a curved right arc at a central splash
Movement
rising diagonal to the upper left; right arc sweeps outward; central burst shoots upward
Coverage
ink on about four fifths of the paper
Tone
four tonal steps, weighted dark
Layering
pale washes, mid-grey bands, black passes; readable upper right, fused at centre
Edges
crisp outer wall on right arc; soft grey wash edges; broken spiky central burst
Feibai
trailing right end of the right arc, toward the right edge
Open paper
wedge in the upper right, shaped by a pale grey arc
Chance marks
spatter around central burst and across left slab; drip rings lower left
Frame
ink runs off left and right edges; top and bottom largely open

Two dark masses meet in the middle of a long sheet. A broad slab climbs from bottom centre toward the upper left, a curved arc swings out to the right, and where they join a burst of spatter shoots upward like a struck match. The eye takes it as one movement bending at the centre.

The arc is the part to look at. Its outer wall is clean, the curve follows the brush all the way out, and its tail opens into flying white near the right edge. Above it a pale grey pass repeats the swing, and because the half-raw paper holds a wash without letting it run, that grey stays separate and gives the open upper right a shape.

The slab costs more. It is broad and filled in, its lower lobe ragged, its black dense and crossed by crease lines and a few bleached white specks. The core of the arc goes nearly flat. At the join the passes fuse into one dark, and the burst does the joining the forms do not. Grey fragments clutter the lower left.

What stays is a single good stroke and a heavy partner. A sound sheet from a long year.

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_269T_269, tone-stretchedT_269, classed by brightness
79%of the sheet carries ink
Black 51%Grey 25%Light 23% 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: 0.057 (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

“Energetic diagonal mass meeting a broad right arc with central splash burst. Some layering and modelling, but bulky left slab, flat black core and crease damage through dark interiors keep it ordinary.”

Form · BUILT

Two large diagonal masses meet at centre; right arc follows brush travel well, left slab is bulky with ragged lower lobe near bottom centre.

WEAKEST bulky left diagonal slab, broad and somewhat filled-in

STRONGEST right sweeping curved arc with clean outer wall

Tonal depth · MODELLED

Four tonal steps; left mass shows layered grey bands and crease grain; right arc's deep black interior near bottom right is largely uniform.

WEAKEST darkest lower core of right arc fairly flat

STRONGEST left slab's stepped greys and grain

Layering · LEGIBLE

Pale wash arcs top right, mid-grey arc above right mass, dark passes left; overlaps readable but dark masses largely cover earlier passes.

WEAKEST central join where passes merge darkly

STRONGEST pale grey arc pass over upper right arc

Composition · WORKING

Strong diagonal-to-arc movement with splash burst at centre; empty paper upper right shaped by pale arc; lower half crowded and heavy.

WEAKEST heavy bottom-centre convergence crowding lower edge

STRONGEST diagonal thrust meeting the sweeping right arc

Material and surface · FLAWED

Visible paper creases/cracking through left and centre dark masses; small white voids lower centre-left; pale grey blots and drip rings lower left paper.

WEAKEST crease lines and bleached spots inside left dark mass

STRONGEST splatter and dry spray around central burst

FLAWS

4 distinct places, 2 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, 16 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.

1 × TIDE LINE“hard edges of pale arc wash, upper right”5 × OTHER · MAJOR“crinkle/crease lines across interior of left …”5 × RING, WATER STAIN“pale grey drip rings and blots on paper lower…”5 × OTHER · MAJOR“small white bare voids inside dark mass lower…”WATER STAINRINGTIDE LINEOTHERMAJOR
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 1 principal ink mass traced (cyan), 6 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 14 edge segments, 29% crisp, 21% soft or bloomed, 50% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3H4H5H6

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

2026.04.26, day 119 of the Crucible Year, one of 13 paintings from that date (10 shown). 55 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_269 among all 402

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

Every painting from 2026.04.26 · This date in the year

Materials

Paper
Tanxi Thickened Grade A Half-Raw 6-Foot, Anhui Jingxian Tanxi Xuan Paper Art Products Co., Ltd., made 2024
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)
When each paper was in use