Crucible Year Peter Yuill
A large grey and black half wheel of broad curved strokes rises from the bottom edge around a pale centre on white paper. T_343, tone-stretched: what the model was shownT_343: every pixel as the measuring code classes it
70 × 140 cm · the whole sheet, uncropped

T_343

The engine's reading

A half wheel of broad curved ink strokes rises from the bottom edge, stepping from pale grey at the rim to near black around a white hub.

Record
Date
2026.06.06
Dimensions
70 × 140 cm
Paper
Qing Yi Half-Raw Xuan
Ink
Yi De Ge Refined Ink Juice, Boku-Undo Genso, Yi De Ge Yun Tou Yan
Enquire about T_343Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

From the water tower on Keller Street the ring estate looks like this at three in the morning: blocks of flats shouldered around a plaza, every roof cut square, the tall ones darkest because their windows gave up first. The plaza stays lit. The council never switches it off, so it hums down there, pale, a cupped palm of sodium light the towers lean toward like men around a brazier. Some nights the west blocks go so black they forget they have floors, and the rain leaves dark coins on them. I climb up with a thermos all the same and sit on the cold tank while the light at the hub holds the whole district in its lap.

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
half wheel of radial arc bands around a pale hub at bottom centre
Movement
rotation over the arch around the hub; nothing runs against it
Coverage
ink on about four fifths of the paper
Tone
four tonal steps, weighted dark
Layering
translucent passes from pale outer arcs to dark inner tiers; readable top and right
Edges
squared, grainy stroke ends at the rim; crisp inner curves around the hub
Feibai
none
Open paper
half-round hub at bottom centre; upper corners; narrow wedge at upper left
Chance marks
dark drops in lower-left wedge; blot at left edge; crease lines top centre; smudge bottom right
Frame
ink runs off the bottom edge; top and both sides stay open

A half wheel rises from the bottom edge, its hub a pale opening cut off by the paper, its spokes built from broad curved strokes laid in tiers. The eye enters at the white centre and is swung over the arch, through bands that step from pale grey at the rim to near black within.

The top-centre fan is where the sheet is strongest. The wide brush has left its grain in the dark there, so the black is ribbed rather than poured, and each stroke stops square and dry at the rim. On the right the translucent arcs stack in a legible order: the half-sized paper holds each pass at its edge, so one tier sits clearly over the last.

The weakness is the lower-left wedge. Its inside is one even grey-black, a filled slab, and dark drops sit on that flat surface exactly where the eye rests. At the far right the densest overlaps begin to sink toward a single dark.

These faults are real, and they stay local. The wheel turns, the tiers read, the stroke ends stay alive, and the painting holds its wall with the authority of something fully built.

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_343T_343, tone-stretchedT_343, classed by brightness
78%of the sheet carries ink
Black 54%Grey 32%Light 14% 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: 0.029 (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 2 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
Form3FLUENT3FLUENT3FLUENT3FLUENT3FLUENT3.0
Tonal depth1THIN2MODELLED2MODELLED2MODELLED2MODELLED1.8
Layering3ORDERED3ORDERED3ORDERED3ORDERED3ORDERED3.0
Composition2WORKING3COMMANDING3COMMANDING2WORKING2WORKING2.4
Material and surface1FLAWED2SOUND1FLAWED1FLAWED2SOUND1.4

READ 1, IN ITS OWN WORDS

“A radial fan of translucent arcs like R3, with fluent, legible layering, but the dark interiors measure flat, the right side is crowded, and small blots mark the left dark sector.”

Form · FLUENT

Arc bands follow the brush's radial sweep around the hub with clean dry-brush ends; the left dark sector is broad and slab-like but still follows the arc.

WEAKEST Broad left dark slab, filled more than travelled

STRONGEST Radial arc bands of top-centre fan

Tonal depth · THIN

Dark interior modulation 0.029 is flat by measure; tone mostly changes at the overlaps between passes, with some grain in the centre fan only.

WEAKEST Left dark sector interior, uniform grey-black

STRONGEST Brush-grain banding in central dark fan

Layering · ORDERED

Pale outer arcs, mid-grey sectors and dark inner sectors overlap translucently in a readable order around the whole fan.

WEAKEST Dense right overlaps, where passes are harder to separate

STRONGEST Stacked translucent arcs in the upper rim

Composition · WORKING

A radial fan around a white hub at the bottom centre gives clear movement; the ink covers 78% of the sheet, the right side crowds, and the top corners are leftover.

WEAKEST Heavy, crowded right half of the fan

STRONGEST Empty hub and radial sweep

Material and surface · FLAWED

Dark drop spots sit inside the left dark mass, visible in the colour view; there is a spatter blot at the bottom right, crease lines in the centre fan, and a drip in the hub.

WEAKEST Blot drops inside left dark sector

STRONGEST Dry-brush grain at the arc ends

FLAWS

6 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 6 distinct places, 23 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“crease/crack lines in central dark fan”5 × OTHER“dark drop spots inside left dark sector”3 × OTHER“crease/crack lines through top-centre dark ar…”4 × OTHER“small dark drop spots inside left dark wedge”1 × OTHER“small drip in pale hub”5 × OTHER“dark spatter blot at bottom right edge”OTHER
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 1 principal ink mass traced (cyan), 3 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 16 edge segments, 81% crisp, 19% soft or bloomed, 0% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3

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

2026.06.06, day 160 of the Crucible Year, one of 11 paintings from that date. 30 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).

Every painting from 2026.06.06 is shown here. 2 other dates with more than five works can say the same.
THE YEAR

T_343 among all 402

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

Every painting from 2026.06.06 · This date in the year

Materials

Paper
Qing Yi Half-Raw Xuan, Jingxian Sichijian Xuan Paper Arts & Crafts Co., Ltd., made unknown
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