Crucible Year Peter Yuill
Two sweeping grey and black arcs across a wide sheet, dusty pink band upper left, mottled grey centre, dense black mass at right. T_304, tone-stretched: what the model was shownT_304: every pixel as the measuring code classes it
70 × 180 cm · the whole sheet, uncropped

T_304

The engine's reading

Two arcs roll rightward across raw paper: a dusty pink band under the first, a mottled grey body swelling between them, a veined black mass at the far end.

Record
Date
2026.05.14
Dimensions
70 × 180 cm
Paper
Tanxi Thickened Grade A Special Jing Pi Small 6-Foot (raw)
Ink
Yi De Ge Refined Ink Juice, Boku-Undo Genso, Yi De Ge Yun Tou Yan, colour inks
Enquire about T_304Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

The black drops in the grey are landing pods. I watched them come down into weather that never lifts. The colonists step out into a fog the colour of old aluminium and find it goes all the way to the ground. They plant a pink flag. It bleeds. Their first transmission home is mostly static, though the static is lovely in places, white veins of signal cracking through the dark at the far end of the band. Mission control files it under routine. I keep a copy. Down on that planet, at the bottom of a long slope, one hooked black boot print points back toward the ship.

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
two large arcs joined by a broad grey central mass
Movement
left to right and rising; nothing runs against it
Coverage
ink on about four fifths of the paper
Tone
four tonal steps, weighted to the middle greys
Layering
grey, pink and black passes; readable upper left and upper right
Edges
bristle-streaked on the arcs; soft and fraying around the central grey
Feibai
present, lower left arc's descending sweep and bottom-right curved tracks
Open paper
white wedge between left arc and centre, opening downward
Colour
dusty pink band across upper left; pink touches upper right and right edge
Chance marks
grey round blooms upper left; black drops in central mass; mottled staining centre
Frame
grey sweeps graze bottom edge; black mass nears right edge; top and left largely open

Two arcs swing left to right across the paper, rising as they go. The left one drops into a dark hooked foot at the bottom corner. The right one rolls over a broad grey body into a black mass at the far end.

The ends hold. At upper right the black has opened on the raw paper into a net of white veins, with bristle tracks ringing outward below. Upper left, a dusty pink band lies under the black arc and stays clean, the dry-brush grain sitting over it without muddying it. The streaked foot of the left arc is the surest stroke here.

The middle is the trouble, and it is the largest thing on the sheet. The grey has spread across the raw paper and dried into a milky mottle, one cloudy mid-grey whose walls fray away, with stray black drops sitting in it. To its right the black covers the grey instead of building on it. Only the white wedge between the arcs gives the paper room.

So the sheet stands on its two ends and sags between them: a typical sheet, good at the corners, heavy where it counts.

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_304T_304, tone-stretchedT_304, classed by brightness
80%of the sheet carries ink
Black 41%Grey 52% 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: 0.052 (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, 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

“Energetic paired arcs with pink underlayer and a strongly textured right dark mass, but the crowded centre and its cloudy, mottled grey wash weaken the material and tonal quality; an ordinary sheet near R2.”

Form · BUILT

Arcing strokes left and right follow brush travel with bristle-streaked edges; the large central grey mass is broad, soft-walled and somewhat formless at its upper edge.

WEAKEST Central grey mass bulky, outline dissolving at top

STRONGEST Left arc sweep ending in dark hooked foot

Tonal depth · MODELLED

Dark modulation 0.052 and four tonal steps; right mass shows veining and arcs, left arc has dry-brush grain, but central mass reads as one cloudy grey.

WEAKEST Central grey mass mottled but tonally cloudy

STRONGEST Right dark mass with reticulated white veining

Layering · LEGIBLE

Grey sweeps, pink colour band and later black strokes read as distinct passes; in the centre-right the grey and black passes merge somewhat and the order softens.

WEAKEST Centre overlaps where grey and black passes blur

STRONGEST Pink band under black arc, upper left

Composition · WORKING

Paired arcs give a clear left-to-right sweep; the white gap between them is shaped, but 80% coverage crowds the right half and the centre mass feels heavy.

WEAKEST Crowded centre-right; little shaped empty paper

STRONGEST Two arcs driving left-to-right rhythm

Material and surface · FLAWED

Dry-brush and reticulation used well at right, but the central mass is a cloudy mottled wash, with grey blot rings top left and stray drops on the mass.

WEAKEST Cloudy mottled wash inside central grey mass

STRONGEST Dry-brush grain on left arc foot

FLAWS

4 distinct places, 1 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, 19 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.

7 × BLOOM, RING, WATER STAIN, OTHER“grey round blots near pink band, upper left”1 × OTHER“black drops at top of right dark mass”9 × WATER STAIN, OTHER, BLOOM · MAJOR“cloudy mottled interior of central grey mass”2 × OTHER“dark ink drops on central mass lower area”WATER STAINBLOOMRINGOTHERMAJOR
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 1 principal ink mass traced (cyan), 6 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 16 edge segments, 6% crisp, 69% soft or bloomed, 25% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3H4H5H6

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

2026.05.14, day 137 of the Crucible Year, one of 9 paintings from that date (6 shown). 28 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 a calmer fortnight than 15 of the 18 dates before it.
THE YEAR

T_304 among all 402

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

Every painting from 2026.05.14 · This date in the year

Materials

Paper
Tanxi Thickened Grade A Special Jing Pi Small 6-Foot (raw), Anhui Jingxian Tanxi Xuan Paper Art Products Co., Ltd., made 2015.11.19
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)
Colour
colour inks, recorded together
The sheet of paper was made 3829 days before this painting.
When each paper was in use