Crucible Year Peter Yuill
Wide horizontal grey brush bands, nested and gently bowed, stepping darker toward a dark rectangle at centre, with bare paper along the top. T_327, tone-stretched: what the model was shownT_327: every pixel as the measuring code classes it
97 × 180 cm · the whole sheet, uncropped

T_327

The engine's reading

Broad grey passes of ink nested inside one another and bowed into a shallow arc, closing on a dark slab across raw bark paper.

Record
Date
2026.05.31
Dimensions
97 × 180 cm
Paper
Red Star Mo She Special Effect Xieyi Edition, raw
Ink
Yi De Ge Refined Ink Juice, Boku-Undo Genso, Yi De Ge Yun Tou Yan
Enquire about T_327Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

The long white streaks in the lower bands are a train that did not stop. I was on the platform when it went through, the push of air, the carriages run together into one grey smear. The next one stopped, and the dark pane at the centre is its window, flat and black, the glass scratched all over by keys: tags, initials, fine lines crossing each other and meaning something only to whoever cut them. My reflection sat in it, faint, where the dark goes deepest. The doors sighed. I got on. Outside, the city ran backwards in pale stripes, and the scratches stayed put on the glass, laid over all of it, like frost that had learned to write.

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
nested curved bands stacked concentrically around a dark central slab
Movement
lateral sweep along a gentle bow; diagonal creases cut across lower centre
Coverage
ink on about nine tenths of the paper
Tone
three tonal steps, weighted to the middle greys
Layering
four kinds of pass, readable at stepped edges, clearest left and above core
Edges
crisp on the central slab; soft and ragged at the outer band ends
Feibai
present in the lower bands, strongest at lower left
Open paper
narrow strip along the top, widening toward the right margin
Chance marks
crease and crack lines through the dark core and grey bands; small dark specks at left
Frame
ink runs off the left and bottom edges; top and right stay open

Broad passes of ink are stacked one inside another and bowed into a shallow curve, so the whole sheet travels sideways as a single wide arc. Pale grey sits at the outside and a dark slab at the core. The eye walks inward in clear steps, each pass still visible where it lies over the last.

The lower bands are where the painting comes alive. A wide brush crossed the bottom third in long, fast strokes. The raw bark paper grips a dry brush hard, so the hairs split into parallel white streaks while the stroke kept its curve. Grey, grain and bare paper share every band, and the arm's travel is legible in all of it.

The centre is weaker. The dark slab is filled rather than drawn, with blunt squared ends and almost no change inside, and it stops short of a true black. Fine creases run straight through it and show most on that dense tone. At the right, the overlapping greys thicken toward mud, and the block sits dead centre with only leftover paper above.

Where that leaves it is solid ground. The layering is clear from edge to core and the lower bands move with conviction. The slab at the middle keeps the sheet calm and a step short of lifting.

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_327T_327, tone-stretchedT_327, classed by brightness
87%of the sheet carries ink
Black 26%Grey 57%Light 17% SHARE OF THE INK, NOT OF THE SHEET
TONAL STEPS

3 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: 0.046 (under 0.045 reads as flat).

0.300.75123 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 4 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
Form2BUILT2BUILT2BUILT2BUILT2BUILT2.0
Tonal depth2MODELLED2MODELLED2MODELLED2MODELLED2MODELLED2.0
Layering3ORDERED3ORDERED3ORDERED3ORDERED3ORDERED3.0
Composition2WORKING2WORKING2WORKING1INERT1INERT1.6
Material and surface2SOUND2SOUND2SOUND2SOUND2SOUND2.0

READ 1, IN ITS OWN WORDS

“Nested curved translucent bands with legible, well-ordered layering. The central dark slab is stiff and only faintly modelled, and the centred, near-full-coverage layout is static. Fine creases cross the dark centre. Overall an ordinary sheet.”

Form · BUILT

The nested curved bands hold their walls and follow a sweep, but the central dark trapezoid and the mid-grey block are bulky and filled in rather than drawn.

WEAKEST Central dark band reads as a stiff filled slab

STRONGEST Lower dry-brush curved bands following the brush's travel

Tonal depth · MODELLED

dark_interior_modulation is 0.046, just above flat. The centre shows faint horizontal banding and the outer greys are grained. The sheet has three tonal steps and no real black.

WEAKEST Central dark mass is nearly flat, with only faint banding

STRONGEST Streaked grey dry-brush bands in the lower third

Layering · ORDERED

At least four nested translucent passes (pale outer, grey, darker grey, dark centre) stay legible where they overlap, and their order reads clearly across the sheet.

WEAKEST Right-edge overlaps blur the order slightly

STRONGEST Concentric translucent passes stepping from pale to dark centre

Composition · WORKING

Ink covers 87% of the sheet. The concentric arrangement holds and the curve gives some movement, but the centred slab is static and the top paper strip is mostly leftover.

WEAKEST Centred block sits statically, leaving little shaped paper

STRONGEST Gentle curve of the stacked bands giving lateral sweep

Material and surface · SOUND

The ink is controlled and the dry-brush grain is used in the lower bands. Fine paper-crease cracks run through the dark centre, and a few small specks sit in the top-left and left greys.

WEAKEST Crease lines crossing the central dark mass

STRONGEST Dry-brush streaking in the lower bands

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, 11 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.

1 × OTHER“small ink specks on paper and in grey band”3 × OTHER“stray ink dots near left edge”5 × OTHER“crease/crack lines through central dark and g…”2 × OTHER“diagonal crease through lower grey band”OTHER
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 4 principal ink masses traced (cyan), 5 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 19 edge segments, 21% crisp, 37% soft or bloomed, 42% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3H4H5

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

2026.05.31, day 154 of the Crucible Year, one of 8 paintings from that date (6 shown). 10 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).

Made after a calmer fortnight than 14 of the 14 dates before it.
THE YEAR

T_327 among all 402

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

Every painting from 2026.05.31 · This date in the year

Materials

Paper
Red Star Mo She Special Effect Xieyi Edition, raw, China Xuan Paper Co., Ltd., made 2025.12.08
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)
The last painting on S11 so far, after 41 others.
When each paper was in use