Crucible Year Peter Yuill
Two black ink masses, a square block at left and a curved fan at upper right, face each other across pale paper streaked with spatter. T_391, tone-stretched: what the model was shownT_391: every pixel as the measuring code classes it
97 × 180 cm · the whole sheet, uncropped

T_391

The engine's reading

A square black slab and a swung black fan lean toward each other across a channel of bare paper, with spatter streaking down through the gap.

Record
Date
2026.10.16
Dimensions
97 × 180 cm
Paper
Half-Cooked Red Star Mo She 6-Foot Bark Xuan Paper, self-sized from October 2026
Ink
Yi De Ge Yun Tou Yan, Boku-Undo Gentoku Super Concentrated, Yi De Ge Pine Soot Ink, Shisan Yue Calligraphy and Painting Ink
Enquire about T_391Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

Two towers lean together at the end of my street, and at two in the morning the rain between them comes in sideways, lit, every drop a short bright scratch. One tower is all balconies, floor stepped out past floor, each lit ledge a little further into the weather than the one above it. The other is a car park. Dark, square, unbothered. I stand in the alley between them anyway, because the alley is where the night gets fast. High on the roofline one black drop has already landed and decided to stay. The car park hums to itself like a fridge. The balconies keep stepping out into the wet.

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
blocky slab at left, curved fan at right, pale channel between
Movement
both masses lean inward; spatter streaks diagonally down through the gap
Coverage
ink on about four fifths of the paper
Tone
five tonal steps, weighted dark
Layering
several offset translucent passes, readable at mass edges, buried under black cores
Edges
soft wash edges on stepped grey bands; broken dry-brush fringes at both bases
Feibai
none
Open paper
central channel, pinched near the top, opening toward the foot
Chance marks
spatter through central gap; small blot near top, left of centre; faint ring bottom right
Frame
slab runs off left edge; fan runs off top and right; top centre and foot open

Two black masses lean in from the sides and leave a channel of pale paper between them, pinched near the top and opening toward the foot. Spatter flies through that channel on a slant, the quickest thing on the sheet.

The fan on the right is where the painting lives. It swings down from the upper corner, and its lower edge steps outward in translucent grey bands, each pass offset from the one before and each still legible. The half-sized paper lets the ink spread without drowning what lies under it, so the passes sit in order. At the base the brush drags dry and leaves a frayed grey hem.

The slab on the left never finds that swing. Its shape owes nothing to the travel of the brush, and its black is sealed: the last pass buried the greys beneath, and inside the core only the crinkle of the paper moves. Its dry skirts are stiff. A small blot near the top edge and a faint ring at bottom right sit far from the action and cost nothing.

So the sheet stands on one fully made mass and a well-shaped gap. It is solid and worth a second look, held back from more by a partner that has nothing to say back.

Measured

How it was read

Read by the Visual Analysis Engine, version 23.11, on 2026.10.26: 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_391T_391, tone-stretchedT_391, classed by brightness
80%of the sheet carries ink
Black 69%Grey 20%Light 11% 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: 0.051 (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, 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 surface2SOUND2SOUND2SOUND2SOUND2SOUND2.0

READ 1, IN ITS OWN WORDS

“Two layered black masses converge across a spattered gap, recalling R3's fans but heavier. The black cores are largely flat, and the left block is slab-like. The sheet is ordinary throughout and closest to R2.”

Form · BUILT

Right mass is a coherent arc following brush travel. The left mass is a heavy near-rectangle, stiff and slab-like, with a ragged lower edge.

WEAKEST Left block: bulky slab with blunt rectangular outline

STRONGEST Right arc fan whose curved outline follows the sweep

Tonal depth · MODELLED

Stepped grey bands frame both cores. The tone-stretched view shows grain, and modulation of 0.051 is only just above flat. The black cores read largely uniform in colour.

WEAKEST Left black core reads nearly flat in colour view

STRONGEST Right fan's stepped grey bands around black core

Layering · LEGIBLE

Two or three translucent passes stack legibly at the edges of both masses. The black top pass hides most of what lies beneath.

WEAKEST Black cores cover earlier passes rather than revealing them

STRONGEST Right fan's translucent stacked arcs at the outer edge

Composition · WORKING

Two masses face each other across a spattered central channel, which gives tension and a direction. With about 80% coverage the sheet is heavy, and the left block sits static.

WEAKEST Two heavy blocks crowd the frame with little breathing room

STRONGEST Spatter-filled central gap between the two converging masses

Material and surface · SOUND

Ink is controlled, with dry-brush edges and spatter. A small stray blot sits at top centre. There is no tide line or stain inside the dark masses. Paper cockling is ignored.

WEAKEST Small blot near top centre

STRONGEST Dry-brush feathered edges on the right fan's lower arc

FLAWS

2 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 2 distinct places, 7 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.

5 × OTHER“small stray ink blot near top edge, centre-le…”2 × RING, OTHER“faint curved mark at the right edge, bottom r…”RINGOTHER

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

2026.10.16, day 292 of the Crucible Year, one of 12 paintings from that date (9 shown). 0 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: P4 S14 (working title).

The first paintings registered in 21 days.
THE YEAR

T_391 among all 402

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

Every painting from 2026.10.16 · This date in the year

Materials

Paper
Half-Cooked Red Star Mo She 6-Foot Bark Xuan Paper, self-sized from October 2026, China Xuan Paper Co., Ltd., made 2026.04.08
Ink MB6
Yi De Ge Yun Tou Yan, Yi De Ge (Beijing)
Ink MB8
Boku-Undo Gentoku Super Concentrated, Boku-Undo
Ink MB9
Yi De Ge Pine Soot Ink, Yi De Ge (Beijing)
Ink MB10
Shisan Yue Calligraphy and Painting Ink, Shisan Yue (Thirteenth Month)
The sheet of paper was made 191 days before this painting.
When each paper was in use