Crucible Year Peter Yuill
Black arc segments curve around an off-centre white opening, with a dark wedge at right, a small block, grey slab below, and red patches. T_409, tone-stretched: what the model was shownT_409: every pixel as the measuring code classes it
97 × 180 cm · the whole sheet, uncropped

T_409

The engine's reading

Segments of black arc wheel around a white opening, with a dark fan to the right and red seeping from under a hook.

Record
Date
2026.10.29
Dimensions
97 × 180 cm
Rating
6.1
Paper
Red Star Mo She Imitation Antique Chu Bark, Exhibition Edition, half-raw
Ink
Yi De Ge Yun Tou Yan, Boku-Undo Gentoku Super Concentrated, Yi De Ge Pine Soot Ink, Shisan Yue Calligraphy and Painting Ink, colour inks
Enquire about T_409Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

I was at the wedding under the hill. You know the rules: the door opens, the fiddles start, and the dancers turn in a ring around the light until their shoes wear through. Don't eat. Don't drink. Whatever you do, don't stop to rest. That black block standing out at the right is the guest who stepped from the ring and thought he had got away cheap. He has. He also hasn't. Behind him his village has gone to grass, his wife is a name on a stone, and the red is still coming up through his socks. I told him to go back in. He looked at the door, then at his feet, and stood there in the wet field, holding his hat.

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 V23's reads, from the settled findings, and checked by hand before approval. It explains V23's numbers and may not change them.

Structure
concentric arc segments around white opening; fan wedge right; detached block; grey slab below
Movement
rotation around the white centre; lower-right slab lies against it
Coverage
ink on about nine tenths of the paper
Tone
two tonal steps, weighted dark
Layering
three: grey bands, black arcs, red; readable at rims, inner ring, lost in upper darks
Edges
crisp on arc walls and hook; dry, broken at arc ends; soft in outer grey
Feibai
none
Open paper
irregular white opening, off-centre, ringed by arcs; smaller open ground at upper right
Colour
dull red under the hook's tip, at far right, and feathered at lower centre
Chance marks
water staining in lower-right slab; bleed and tide-edged blot below centre; spatter upper right
Frame
ink runs off top and bottom; left and right mostly open, upper right clear

A black wheel turns around a hole of white paper. The arcs rise from low on the left, pass over the top and come down on the right in a great fan, and a short black hook curls back across the opening. The eye goes round before it has time to choose.

The hook is the finest thing here. Its inner wall bites a clean curve out of the white, and its tip stops hard where red seeps from beneath. Half-raw paper keeps an edge like this and keeps layers apart: at the left, translucent grey collars step out from under the black, their order still legible.

That reading stops at the upper right, where heavy coats close the fan into nearly flat black. Below it, the grey slab goes cloudy and mottled, a blunt weight that stalls the rotation. Red runs into grey under the hook and turns to mud, an accident.

The turning idea and the firm left side meet a right side that fills where it should travel. A solid, middling painting, worth crossing the room for the hook and not much more.

Read and measured

The rating

THE RATING

T_409, rated 6.1

The combined score, out of 10: V23's reading of the photograph as the read half and V24's twelve tests on the 16-bit file as the measured half, added and divided by 10. The scale is relative to this archive. How each half is made is on the Method page.

READ HALF21.0V23's rating, 4.2, × 5
+
MEASURED HALF39.8twelve tests, of 50
→
RATING6.160.8 ÷ 10
THE READ HALF, V23
Form
2.0 · built
Tonal depth
1.0 · thin
Layering
2.0 · legible
Composition
2.0 · working
Material and surface
1.0 · flawed
THE MEASURED HALF, V24
Mass
10.0 of 10
Tone
7.8 of 14
Void
6.4 of 8
Flow
9.2 of 10
Balance
6.4 of 8
Measured

How it was measured

FROM THE 16-BIT FILE

What V24 measured.

Plain physical facts with no model involved. Across the year they track how the practice changes. On one sheet they cannot say whether a mark is any good. Millimetres read a few percent high, because the photographs are cropped just inside the paper's edge.

MASS WIDTH227 mm

The width of the ink mask along its medial axis.

DEPTH OF THE DARKS1.77

Optical density at the 75th percentile of the sheet.

LARGEST VOID132 mm

The radius of the largest circle of open paper.

DIRECTIONS0.08

How far the marks align across the sheet. Lower means they run several ways.

BALANCE0.49

Left and right asymmetry of the ink. Lower is more even.

THE FILE3.93

Pixels to the millimetre in the TIFF these were measured from, with the studio light removed.

Read by the Visual Analysis Engine, version 23.13, on 2026.11.02: measured by code, then read 10 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_409T_409, tone-stretchedT_409, classed by brightness
86%of the sheet carries ink
Black 76%Grey 19% SHARE OF THE INK, NOT OF THE SHEET
TONAL STEPS

2 families of tone.

Every inked pixel's brightness in 64 bins, smoothed; each circled peak holds at least 4% of the ink. Two or fewer: Tonal depth is held at the bottom rung whatever the model reads. A dense sheet of many translucent passes can count low here, so Layering is left to the reads. Life inside the black: 0.055 (under 0.045 reads as flat).

0.300.7512 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 10READ 2READ 3READ 4READ 5READ 6READ 7READ 8READ 9MEAN
Form2BUILT2BUILT2BUILT2BUILT2BUILT2BUILT2BUILT2BUILT2BUILT2BUILT2.0
Tonal depth2MODELLED2MODELLED2MODELLED2MODELLED2MODELLED2MODELLED2MODELLED2MODELLED2MODELLED2MODELLED2.0
Layering2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2.0
Composition2WORKING2WORKING2WORKING2WORKING2WORKING2WORKING2WORKING2WORKING2WORKING2WORKING2.0
Material and surface1FLAWED1FLAWED1FLAWED1FLAWED1FLAWED1FLAWED1FLAWED1FLAWED1FLAWED1FLAWED1.0

READ 1, IN ITS OWN WORDS

“A strong arc structure around a white opening, but heavy, near-flat blacks bury much layering. The bulky right wedge and cloudy lower-right slab keep it ordinary, well short of R3 despite the similar motif.”

Form · BUILT

Concentric arc segments hold their walls and follow a sweeping stroke, but the large right wedge and lower-right slab are bulky, filled rather than drawn.

WEAKEST Bulky dark wedge at right; rough grey slab lower right

STRONGEST Inner black arc curling around the white centre

Tonal depth · MODELLED

Modulation is barely above flat. Stretched view shows stepped density in arcs and grey bands at the outer rim, but the right wedge stays near-uniform black.

WEAKEST Right wedge reads almost flat black in colour view

STRONGEST Stepped grey halo rings around the left arc

Layering · LEGIBLE

Grey underpasses and black arcs read at the rims and the inner ring; across the upper and right darks, heavy later passes largely cover earlier ones.

WEAKEST Upper and right darks merge; overlaps nearly lost in colour

STRONGEST Translucent grey rim passes beneath the black arcs

Composition · WORKING

Great arc carries the eye around a shaped white opening, with the right tab extending it; heavy dark coverage crowds the sheet and the lower-right slab is weak.

WEAKEST Murky lower-right slab sits heavily against the arc

STRONGEST Spiral sweep around the bright white central opening

Material and surface · FLAWED

Black arcs are controlled, but the lower-right principal grey mass is cloudy and blotchy at viewing distance, with colour and grey fusing murkily at bottom centre.

WEAKEST Cloudy mottled grey wash in the lower-right slab

STRONGEST Dry-brushed edges on arc ends and outer rim

FLAWS

6 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 6 distinct places, 36 mentions in all across 10 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.

4 × WATER STAIN, OTHER, BLOOM“Pale cloudy patch in grey band left of the wh…”1 × OTHER“Broken, dotted pale strip between arcs right …”1 × DEAD INK“Interior of the large black wedge right of ce…”1 × WATER STAIN“Cloudy pale patch in the grey ring left of th…”19 × MUD, TIDE LINE, BLOOM, WATER STAIN, OTHER“Red drips fusing with grey wash below the inn…”10 × WATER STAIN, MUD · MAJOR“Cloudy, mottled wash through the lower-right …”WATER STAINBLOOMTIDE LINEDEAD INKMUDOTHERMAJOR

V23's rules and arithmetic, and every figure under its own name, are in the Archive record.

Date

2026.10.29, day 305 of the Crucible Year, one of 6 paintings from that date. 19 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).

Every painting from 2026.10.29 is on this site. 5 other dates with more than five works are shown in full.
THE YEAR

T_409 among all 419

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

Every painting from 2026.10.29 · 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 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)
Colour
colour inks, recorded together
The last painting on S10 so far, after 46 others.
When each paper was in use