Crucible Year Peter Yuill
A black and grey spiral of arcs and rectangular brush blocks around a small white circle left of centre, with a dark band extending right. T_360, tone-stretched: what the model was shownT_360: every pixel as the measuring code classes it
97 × 180 cm · the whole sheet, uncropped

T_360

The engine's reading

A spiral of black arcs and fanned grey brush blocks winding in to a small white eye, with one heavy arm swinging out across the lower right.

Record
Date
2026.07.28
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, Kuretake Shogei Purple-Navy Black, Boku-Undo Gentoku Super Concentrated
Enquire about T_360Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

I would dock here. The hole in the middle is exactly the size of a small ship running low on fuel, and the rings around it are the station's patience, added a shell at a time over generations. Out on the rim someone is still bolting grey plates into the vacuum, unhurried, each one a little crooked, each one holding. The long lower arm reaches for a planet that moved on years ago; it has not been told. Off to the right, a few black dots hang where the signal first came from. I answer them. The airlock cycles, the white opens like an iris, and I go in with my helmet under my arm.

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
eccentric spiral of arcs around a white eye, black fan right, band lower right
Movement
rotation inward to the eye; lower-right band pulls outward against it
Coverage
ink on about two thirds of the paper
Tone
four tonal steps, weighted dark
Layering
translucent grey passes beneath black arcs; readable around the outer fringe
Edges
crisp on black arcs and fan walls; soft and dry-brushed on outer grey tabs
Feibai
present in the curved arc strokes above and left of the white eye
Open paper
broad empty field top right; pale wedge lower left; small white disc at centre
Chance marks
scattered ink drops above the right grey band; faint creases at left
Frame
ink runs off top, bottom and lower right edge; left edge stays open

A wheel turns on a white eye set left of centre. Arcs tighten toward it, grey tabs fan out around the rim, and the whole sheet draws inward the way water finds a drain.

The thin rings nearest the eye are the finest drawing here. Each follows one pull of the brush, and in the arcs above the centre the hairs part into streaks of bare paper without losing the curve. Out on the left rim the grey tabs overlap in clear order. The half-sized bark paper holds each pass where it lands, so a later grey sits over an earlier one rather than sinking into it, and the dry ends fray cleanly against the white.

The weight goes wrong to the right. The big black fan has curved walls that track the stroke, but its interior is sealed and flat, with only faint grain to break it. Below, the horizontal band stacks pass on pass until the order clogs, then runs heavily off the edge and stalls the turning. A few stray drops on the bare paper above it barely register.

These are real weights, and the spiral outlasts them. The eye still rides the rings to the centre, and the emptiness at top right still breathes. A commanding engine with one heavy corner, and the engine wins.

Measured

How it was read

Read by the Visual Analysis Engine, version 23.8, on 2026.10.06: measured by code, then read 4 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_360T_360, tone-stretchedT_360, classed by brightness
70%of the sheet carries ink
Black 62%Grey 29%Light 9% 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: 0.028 (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, agreeing on 3 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 4MEAN
Form2BUILT3FLUENT2BUILT2BUILT2.3
Tonal depth2MODELLED2MODELLED2MODELLED2MODELLED2.0
Layering3ORDERED3ORDERED2LEGIBLE3ORDERED2.8
Composition2WORKING2WORKING2WORKING2WORKING2.0
Material and surface2SOUND2SOUND2SOUND2SOUND2.0

READ 1, IN ITS OWN WORDS

“This concentric spiral is close to R3 in idea and has good translucent layering. But the central black fan is flat and bulky, the bottom right is crowded, and stray drops mark the right paper.”

Form · BUILT

Inner arcs and thin rings follow the brush's curve fluently. The big black fan and the peripheral rectangular blocks are bulky and stamp-like.

WEAKEST Bulky central black fan, slab-like and filled

STRONGEST Thin concentric arcs around the white centre

Tonal depth · MODELLED

Four tonal steps with real greys across the outer rings. The main black fan is flat inside (modulation 0.028); only faint brush grain shows in the stretched view.

WEAKEST Interior of large central black fan

STRONGEST Translucent grey outer blocks with stepped density

Layering · ORDERED

Several translucent passes stack outward in a clear order. The grey blocks stay readable under the black arcs, similar to R3's layered rings.

WEAKEST Bottom-right overlaps get dense and harder to read

STRONGEST Overlapping translucent grey blocks around left periphery

Composition · WORKING

The spiral leads the eye inward and the empty paper at top right is shaped. The bottom-right band jams against the edge and the right edge feels crowded.

WEAKEST Crowded, cropped bottom-right band of blocks

STRONGEST Spiral pull toward the white eye

Material and surface · SOUND

Ink is controlled and the edges are clean. Scattered ink drops sit on the paper at right, away from the principal masses, and faint creases show at left.

WEAKEST Stray drip dots on the right paper

STRONGEST Dry-brush edges on the outer grey blocks

FLAWS

4 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 4 distinct places, 7 mentions in all across 4 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.

1 × OTHER“faint vertical paper crease lines at left”1 × DEAD INK“flat interior of the large central black fan”4 × OTHER“scattered ink drops on bare paper above the r…”1 × OTHER“faint crease lines in the paper at lower left”DEAD INKOTHER
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 1 principal ink mass traced (cyan), 4 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 15 edge segments, 80% crisp, 13% soft or bloomed, 7% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3H4

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

2026.07.28, day 212 of the Crucible Year, one of 11 paintings from that date (10 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: P3 The Floor Rises (working title).

The first paintings registered in 44 days.
THE YEAR

T_360 among all 402

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

Every painting from 2026.07.28 · 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 MB7
Kuretake Shogei Purple-Navy Black, Kuretake
Ink MB8
Boku-Undo Gentoku Super Concentrated, Boku-Undo
The sheet of paper was made 111 days before this painting.
When each paper was in use