Crucible Year Peter Yuill
Large black and grey ink masses fill the left of a wide white sheet; a separate grey-to-black arc rises on the right, with spatter above. T_217, tone-stretched: what the model was shownT_217: every pixel as the measuring code classes it
97 × 180 cm · the whole sheet, uncropped

T_217

The engine's reading

A black block and a grey dome crowd the left of the sheet, facing one rising arc across a narrow gap of bare paper.

Record
Date
2026.04.12
Dimensions
97 × 180 cm
Rating
5.2
Paper
Red Star Mo She Special Effect Xieyi Edition, half-raw (June 2025 batch)
Ink
Yi De Ge Refined Ink Juice, Boku-Undo Genso, Yi De Ge Yun Tou Yan
Enquire about T_217Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

In the old version the giant had wings too. He sold them, the way giants do, for weight: to be the heaviest thing in the valley, never to be moved. The bargain held. He sits on the bottom edge of the world and he cannot be moved, even by himself. Somebody crossed his back in the night, leaving prints going right, toward the one who kept her wing. She is still lifting it, slowly, the frayed tips catching light. I like the giant anyway. He paid in full. He just never read the small print, which in these stories is always written in feathers, and always on the other side of the river.

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 V23's reads, from the settled findings, and checked by hand before approval. It explains V23's numbers and may not change them.

Structure
left black block fused into grey dome; separate arc on right across gap
Movement
left to right along drop trail and spatter; right arc lifts against it
Coverage
ink on about three quarters of the paper
Tone
four tonal steps, weighted dark
Layering
grey sweeps, black passes, spatter; readable at right arc, merged at left
Edges
crisp feathered top of right arc; soft, bleeding edges around left block
Feibai
present at the feathered upper edge of the right arc
Open paper
thin strip along the top, narrow vertical gap between the masses
Chance marks
spatter and drips top left and top right; creases across left black; blooms lower left
Frame
ink runs off left and bottom edges; top and right stay open

Two masses face each other across a narrow strip of bare paper. On the left, a black block fills the sheet to its edge and swells into a grey dome. On the right, one arc climbs and leans back toward it. Spatter and a trail of dark drops carry the eye across.

The arc is the sheet's real achievement. It rises from grey sweeps into a black base, and the grey stays readable under the black because the half-sized paper holds each pass where it lands. At the top the brush ran fast and dry, and the hairs parted into parallel white streaks that keep the curve to the end.

The left is where the sheet pays. The block has no travel in it. Its inside is dense and nearly flat, creases cross the black, and where it meets the dome the passes have fused into a cloudy, milky grey. Both masses sit down hard on the bottom edge.

That leaves a sheet with one good passage and a lot of weight around it. The arc is worth the walk across the room. The rest is mostly ballast.

Read and measured

The rating

THE RATING

T_217, rated 5.2

The combined score, out of 10: V23's reading of the photograph as the read half and V24's twelve tests on the 16-bit file as the measured half, added and divided by 10. The scale is relative to this archive. How each half is made is on the Method page.

READ HALF21.0V23's rating, 4.2, × 5
+
MEASURED HALF31.0twelve tests, of 50
→
RATING5.252.0 ÷ 10
THE READ HALF, V23
Form
1.0 · blunt
Tonal depth
2.0 · modelled
Layering
2.0 · legible
Composition
2.0 · working
Material and surface
1.0 · flawed
THE MEASURED HALF, V24
Mass
3.4 of 10
Tone
10.8 of 14
Void
8.0 of 8
Flow
4.0 of 10
Balance
4.8 of 8
Measured

How it was measured

FROM THE 16-BIT FILE

What V24 measured.

Plain physical facts with no model involved. Across the year they track how the practice changes. On one sheet they cannot say whether a mark is any good. Millimetres read a few percent high, because the photographs are cropped just inside the paper's edge.

MASS WIDTH78 mm

The width of the ink mask along its medial axis.

DEPTH OF THE DARKS1.64

Optical density at the 75th percentile of the sheet.

LARGEST VOID135 mm

The radius of the largest circle of open paper.

DIRECTIONS0.37

How far the marks align across the sheet. Lower means they run several ways.

BALANCE0.64

Left and right asymmetry of the ink. Lower is more even.

THE FILE4.02

Pixels to the millimetre in the TIFF these were measured from, with the studio light removed.

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_217T_217, tone-stretchedT_217, classed by brightness
76%of the sheet carries ink
Black 46%Grey 42%Light 12% 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: 0.067 (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
Form1BLUNT1BLUNT1BLUNT1BLUNT1BLUNT1.0
Tonal depth2MODELLED2MODELLED2MODELLED2MODELLED2MODELLED2.0
Layering2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2.0
Composition2WORKING2WORKING2WORKING2WORKING2WORKING2.0
Material and surface1FLAWED1FLAWED1FLAWED1FLAWED1FLAWED1.0

READ 1, IN ITS OWN WORDS

“An energetic sheet close to R2. The right arc has some fluency, but the left mass is a bulky, cloudy slab. Creases and a milky wash mark the surface, and the left two-thirds is crowded.”

Form · BLUNT

Left black mass is a broad block with ragged walls. The central grey wash is a cloudy fan. Only the right arc's sweep follows the brush's travel.

WEAKEST Left dark mass: bulky, dissolved slab with no stroke travel

STRONGEST Right arc with dry-brush feathered upper edge

Tonal depth · MODELLED

Modulation 0.067 and four tonal steps. The central and right arcs show streaking and graded grey. The left black block and the lower right black are mostly dense.

WEAKEST Lower right black mass, dense and flat inside

STRONGEST Central grey fan with streaks and dot rows

Layering · LEGIBLE

The grey fan passes over and under the black masses and stays mostly readable. In the left half, dark and grey passes blur together, so the order is hard to read.

WEAKEST Left mass, where black and grey passes merge cloudily

STRONGEST Right arc: grey sweep under the black base

Composition · WORKING

The large left mass and the right arc frame a pale gap, and spatter carries the eye upward. The left two-thirds is heavy and jammed to the bottom edge.

WEAKEST Left half crowded; ink covers 76% of the sheet

STRONGEST Gap between the two masses with rising right arc

Material and surface · FLAWED

Creases cross the left black mass, and the grey wash around the dark is cloudy and blotchy. The bottom centre has a vertical drip line and blotchy beads.

WEAKEST Cloudy, milky grey wash across the centre-left

STRONGEST Dry-brush feathering at the top of the right arc

FLAWS

5 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 5 distinct places, 16 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.

5 × OTHER“horizontal creases/cracks across left black m…”5 × WATER STAIN, MUD, BLOOM · MAJOR“cloudy milky grey wash beside left dark mass”1 × TIDE LINE“pale wavy line inside the upper left of the r…”1 × BLOOM“blurred dissolving edge at the lower left of …”4 × OTHER, WATER STAIN, MUD“vertical drip line with blotches, bottom cent…”WATER STAINBLOOMTIDE LINEMUDOTHERMAJOR
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 2 principal ink masses traced (cyan), 4 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 19 edge segments, 32% crisp, 32% soft or bloomed, 37% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3H4

V23's rules and arithmetic, and every figure under its own name, are in the Archive record.

Date

2026.04.12, day 105 of the Crucible Year, one of 13 paintings from that date (2 shown). 45 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).

THE YEAR

T_217 among all 419

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

Every painting from 2026.04.12 · This date in the year

Materials

Paper
Red Star Mo She Special Effect Xieyi Edition, half-raw (June 2025 batch), China Xuan Paper Co., Ltd., made 2025.06.07
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 309 days before this painting.
When each paper was in use