Crucible Year Peter Yuill
Grey and black ink strokes on pale paper: a dark curved band at left, a wide grey arc across the top, a black blot upper right. T_224, tone-stretched: what the model was shownT_224: every pixel as the measuring code classes it
97 × 180 cm · the whole sheet, uncropped

T_224

The engine's reading

A wide grey arc bridges a dark curved band at the left and a dripping black blot at the right, over pale horizontal slabs on raw bark paper.

Record
Date
2026.04.15
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_224Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

The arc is a transfer orbit. Launch from the dark band on the left, a long grey coast over nothing much, then the arrival at the far end, which was less a landing than a decision to splash. The colony ship came down as a black lump and sprayed itself in every direction. The domes stayed in their crates. The flight recorder is all static from the middle of the trip, a stretch where the crew slept and the instruments dreamed of fog. I kept the recorder. Held to the light, the first second still plays: the launch, every bristle of exhaust streaking clean and parallel into the dark.

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
dark curved band at left, grey arc across top, black blot at right
Movement
left to right along the arc; lower-right wedges push downward against it
Coverage
ink on about three quarters of the paper
Tone
three tonal steps, weighted to the middle greys
Layering
pale slabs, grey arc, dark strokes; readable at left, merged in the centre
Edges
blunt squared base on left band; soft around the blot; broken in the fan
Feibai
present in the fanned outer strokes of the left band, upper left
Open paper
pale margin around the cluster, widest at the right and corners
Chance marks
spatter across sheet; rings and drip pools at left; blooms below left band
Frame
grey runs off the bottom edge at centre; left and right stay open

A grey arc spans the top of the sheet, rising out of a dark curved band at the left and coming down into a black blot at the right. The eye crosses it in one movement, and that crossing is the sheet's clearest idea.

The left band is the reason it stands. At the upper left its outer strokes fan open, the hairs parting into fast parallel streaks of bare paper that the raw bark holds cleanly. Inside, the black steps down in streaked bands, so the dark has grain. Beneath it the pale horizontal slabs still read as an earlier pass.

The middle is where it slackens. Grey laid over grey on raw paper spreads and sinks together, and the centre settles into one crinkled haze with no readable order. At the far end the blot is a flat, dense lump that stops the arc without shaping it. Drip rings at the left and creases through the arc are absorbed without harm.

What is left is one good band and a clear route, hung on a cloudy middle. A sound sheet, plain and uneven, worth standing in front of for its left side.

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_224T_224, tone-stretchedT_224, classed by brightness
73%of the sheet carries ink
Black 14%Grey 76%Light 10% 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: 0.054 (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, one answer.

Each quality placed on its ladder by each read, and the mean the engine keeps.

READ 1READ 2READ 3READ 4READ 5MEAN
Form2BUILT2BUILT2BUILT2BUILT2BUILT2.0
Tonal depth2MODELLED2MODELLED2MODELLED2MODELLED2MODELLED2.0
Layering2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2.0
Composition2WORKING2WORKING2WORKING2WORKING2WORKING2.0
Material and surface1FLAWED1FLAWED1FLAWED1FLAWED1FLAWED1.0

READ 1, IN ITS OWN WORDS

“A busy grey sheet with a working arc structure and a left fan with good bristle detail. The flat right blot, the cloudy centre, and the rings and drip pools near the left mass hold it at around the ordinary level.”

Form · BUILT

The left dark fan and the central arc hold as nameable forms. The right dark blot is bulky and the lower-right grey wedge is ragged and stiff.

WEAKEST Bottom-right ragged grey wedge with no clear shape

STRONGEST Large grey arc sweeping across the top centre

Tonal depth · MODELLED

The left fan has bristle banding and stepped density. The right black blot is flat inside. Mid-greys dominate; measured modulation is 0.054 across three tonal plateaus.

WEAKEST Dark blot at upper right is dense, flat black

STRONGEST Left dark fan with streaked bands inside

Layering · LEGIBLE

Pale horizontal bands, the grey arc and the dark strokes read as separate passes. In the centre the greys fuse into a hazy mid-tone.

WEAKEST Central overlaps go cloudy and mid-grey

STRONGEST Left fan laid over pale horizontal bands

Composition · WORKING

The arc carries the eye from the left mass to the right blot. Ink covers 73% of the sheet, so the empty paper is mostly a leftover margin, and the centre is crowded.

WEAKEST Crowded hazy grey centre

STRONGEST Arc linking the left fan to the right blot

Material and surface · FLAWED

Circular rings and pale drip pools sit beside the lower-left mass. The paper surface is creased and crackled through the grey arc, and spots and blotches are scattered across the sheet.

WEAKEST Ring marks and drip pools around the left mass

STRONGEST Dry-brush streaking in the left fan

FLAWS

8 distinct places, 2 major.

Each read must name every flaw and where it is, in a ninth of the sheet. Here the reads named flaws in 8 distinct places, 22 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. A major flaw holds Material and surface at rung 1.

2 × OTHER“creased, crackled surface across the grey arc”2 × BLOOM“ragged blotted edges of the black mass”1 × RING“circular drop rings at the left edge”3 × WATER STAIN, OTHER · MAJOR“cloudy crinkled wash inside central grey arc”4 × RING, OTHER“scattered rings in the right paper margin”8 × RING, BLOOM, TIDE LINE · MAJOR“circular rings and drip pools beside the left…”1 × WATER STAIN“pale blotches in the lower centre”1 × RING“pale drop rings at the lower right margin”WATER STAINBLOOMRINGTIDE LINEOTHERMAJOR
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 1 principal ink mass traced (cyan), 8 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 15 edge segments, 47% crisp, 53% soft or bloomed, 0% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3H4H5H6H7H8

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

2026.04.15, day 108 of the Crucible Year, one of 11 paintings from that date (8 shown). 58 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: P2 The Switch (working title).

Made after one of the busiest fortnights of the previous two months: 58 works in the fourteen days before.
THE YEAR

T_224 among all 402

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

Every painting from 2026.04.15 · 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 sheet of paper was made 128 days before this painting.
When each paper was in use