Crucible Year Peter Yuill
Black and grey concentric arcs form a split arch around a white oval at top, divided by a white channel running down the centre. T_347, tone-stretched: what the model was shownT_347: every pixel as the measuring code classes it
70 × 140 cm · the whole sheet, uncropped

T_347

The engine's reading

Two halves of a broken black and grey arch curl around a white oval, split by a narrow channel of bare paper that runs to the bottom edge.

Record
Date
2026.06.06
Dimensions
70 × 140 cm
Paper
Qing Yi Cooked Xuan
Ink
Yi De Ge Refined Ink Juice, Boku-Undo Genso, Yi De Ge Yun Tou Yan
Enquire about T_347Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

The white hole at the top came first, and everything else fell toward it in rings, lining up in order, pale on the outside, darker as it nears. The black bands are where the falling stopped. Nothing gets out of a black like that. Light doesn't, grain doesn't, not one hair of the brush does, and I am fond of them for it, the way you are fond of a star that collapsed instead of dimming politely. The channel down the middle is the crack in the disc where the deep years leaked out. At the bottom edge they are still running: a thin white river headed for the floor of the universe.

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
concentric arc bands in two halves, parted by a central vertical channel
Movement
radial sweep around the top oval, with squared band ends cutting across it
Coverage
ink on about nine tenths of the paper
Tone
three tonal steps, weighted dark
Layering
grey passes under black, readable through the overlaps on both halves
Edges
crisp squared band ends, with dry broken edges on central greys and outer arcs
Feibai
present in the outermost grey arc at right
Open paper
white oval at top centre narrowing into a channel to the bottom, plus the lower-left corner
Chance marks
droplets right of the channel, pale scratches in the lower-right black band, creases upper left
Frame
ink runs off the top, left and right edges; the lower-left corner and the channel foot stay open

The eye meets the white oval at the top, then drops down a narrow channel of bare paper to the bottom edge. Around that opening two halves of an arch swing outward, grey outside and black within. The whole thing reads as a ring broken open across the width.

The left half is where paper and ink agree best. The sized paper holds each grey pass on its surface, so every edge survives under the next pass and the stack climbs from pale to black in plain order. Near the channel the greys end in dry, grained edges. At far right the outer arc thins to streaks of bare paper that keep the curve travelling.

The blacks are the cost. The inner arcs, upper left and right, lie so dense that the paper holds them as a sealed film with no movement inside. The dark ends at lower left crowd together with little shaped space between them. Scratches in the lower-right black band and droplets near the channel are small, and the sheet takes them.

The structure is sure, and the layering reads from edge to edge. The flat blacks are a real limit on depth. Even so, the arch stands well above the usual run and holds a room.

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_347T_347, tone-stretchedT_347, classed by brightness
85%of the sheet carries ink
Black 49%Grey 45% 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: 0.045 (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 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 4READ 5MEAN
Form2BUILT3FLUENT2BUILT3FLUENT3FLUENT2.6
Tonal depth2MODELLED2MODELLED2MODELLED2MODELLED2MODELLED2.0
Layering3ORDERED3ORDERED3ORDERED3ORDERED3ORDERED3.0
Composition2WORKING2WORKING2WORKING3COMMANDING2WORKING2.2
Material and surface2SOUND2SOUND2SOUND2SOUND2SOUND2.0

READ 1, IN ITS OWN WORDS

“This is a concentric-arc sheet in the R3 family. The translucent layering is clear and well ordered. It is held back by flat black inner bands, blocky segment ends and a crowded, nearly full sheet with little shaped empty paper.”

Form · BUILT

Concentric arc bands hold their walls and follow the sweep; several inner dark segments end in stiff squared blocks, notably the right-centre rectangle and the lower-right wedge.

WEAKEST Blocky rectangular dark segment, right centre

STRONGEST Large dark upper-left arc following brush travel

Tonal depth · MODELLED

Grey bands carry streaked grain and stepped density, but the darkest arc segments are flat inside; dark modulation 0.0445 sits just under the flat threshold.

WEAKEST Flat black inner arcs, upper left and right

STRONGEST Dry-brush grained grey bands near centre gap

Layering · ORDERED

Several translucent passes overlap in a readable order, grey under dark, each band's edge still visible through the next, building depth across both halves.

WEAKEST Dense overlaps at lower-left dark cluster

STRONGEST Translucent stacked arcs, left half

Composition · WORKING

Arch of arcs around a central white void and vertical channel gives a clear direction; 85% coverage leaves the sheet crowded, with paper reduced to corners.

WEAKEST Crowded lower-left; little shaped empty paper

STRONGEST Central white channel splitting the arch

Material and surface · SOUND

Ink controlled and bound; small pale streaks in the lower-right dark block, droplet dots right of centre and crease lines are small, not disruptive.

WEAKEST Pale scratch streaks in lower-right dark band

STRONGEST Dry-brush edges on central grey bands

FLAWS

5 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 5 distinct places, 15 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.

3 × OTHER“Paper crease lines crossing left grey bands”5 × WATER STAIN“Small droplet marks in grey band right of cen…”1 × OTHER“bubble-like spots inside right dark band”1 × OTHER“tiny ink specks in the central white channel”5 × OTHER“Thin pale scratch lines across lower-right da…”WATER STAINOTHER
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 2 principal ink masses traced (cyan), 2 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 18 edge segments, 44% crisp, 50% soft or bloomed, 6% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2

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_347 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 Cooked 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