Crucible Year Peter Yuill
Archive · full record

T_234

The work as shown. Every value below comes from vae.db, the master database of the Crucible Year.

Recorded

Date
2026.04.18, day 111
Size
97 × 180 cm
Paper
S10, Red Star Mo She Imitation Antique Chu bark, Exhibition Edition
Inks
MB4, MB5, MB6
Phase
P2 The Switch
Shown on the site
yes (V23 rating of 5.0 or higher)
Early storage triage
SHP: save, has potential (Peter's early system, since retired)

Measured · V23 (v23.8)

V23 rating
5
Form
2
Tonal depth
2
Layering
2
Composition
2
Material and surface
1
Ink cover
81%
Dark share
36%
Tonal steps
6
Flaws named by the reads
bloom 5, water stain 5, other 6, tide line 3
The V23 rating runs from 1 to 9, with 5 the middle of this body of work. It is the engine's reading, and the reference the archive is measured against.

Older engine

V7
8
From an earlier engine (V7). Its scale differs from V23's, so it is only ever compared with other readings by the same engine.

How the number was made

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_234T_234, tone-stretchedT_234, classed by brightness
81%of the sheet carries ink
Black 36%Grey 50%Light 14% SHARE OF THE INK, NOT OF THE SHEET
TONAL STEPS

6 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).

0.300.75123456 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 gestural sheet whose curved black sweep shapes the light centre. The blocks are bulky, the dark interiors fairly flat, the left side crowded, and a bloomed grey wash sits against the right dark mass.”

Form · BUILT

Bottom curved stroke follows the brush's travel with a split dry-brush tail. Left dark wedge and right vertical block are bulky and slab-like, with stiff edges.

WEAKEST Blunt slab of the right-centre dark block

STRONGEST Sweeping curved black stroke along the bottom

Tonal depth · MODELLED

Six tonal steps and a good range of greys. Dark interior modulation 0.0454 is barely above flat. The bottom black sweep reads mostly uniform; the blocks show some banding.

WEAKEST Lower curved black stroke interior largely flat

STRONGEST Right dark block with vertical banding

Layering · LEGIBLE

Grey washes sit under the black strokes and still read where they overlap, especially at right-centre. The left grey layers blur together, so the order of passes is less clear.

WEAKEST Left grey washes merge into murky texture

STRONGEST Black sweep over translucent grey arcs at right

Composition · WORKING

The large curve carries the eye from the left mass to the right block around a shaped light centre. The left side is congested with overlapping greys, and the top-right splatter is diffuse.

WEAKEST Crowded, heavy left half

STRONGEST Bowl-shaped curve framing pale central void

Material and surface · FLAWED

The right grey wash beside the principal dark block carries cloudy blooms and dark spots, visible in the colour view. The left grey is mottled, and the paper has a yellowish tint.

WEAKEST Mottled spotted grey wash right of the dark block

STRONGEST Dry-brush split edges on the curved stroke

FLAWS

6 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 6 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.

1 × TIDE LINE“hard wash edges around upper-left grey mass”1 × WATER STAIN“pale ring marks in grey wash near centre top”3 × BLOOM, WATER STAIN, TIDE LINE · MAJOR“spotted water blooms in grey wash right of da…”4 × WATER STAIN, TIDE LINE“mottled cloudy grey wash in left mass”7 × BLOOM, OTHER · MAJOR“spotted cloudy grey wash right of dark block”WHOLE SHEET · 3 × OTHERWATER STAINBLOOMTIDE LINEOTHERMAJOR
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 1 principal ink mass traced (cyan), 3 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 17 edge segments, 29% crisp, 47% soft or bloomed, 24% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3
RULE 1Two tonal steps or fewer

Tonal depth held at rung 1.

6 steps: not applied
RULE 2A major flaw

Material held at rung 1. Mild waves in the unmounted paper are never a flaw.

5 major flaws: applied
RULE 3Any quality below 0.5

The rating cannot exceed 4.

lowest 1.0
RULE 4At least two valid reads

A read that breaks the reply format is discarded.

5 of 5 valid
THE ARITHMETIC

V23 rating 5.0.

Engine v23.8, 5 reads. Fixed arithmetic, the same for every painting; the constants were set on 24 randomly chosen paintings so the median sheet scores 5. The scale is relative to this archive, not to painting in general, and a difference of less than half a point between two paintings is noise.

MEAN RUNG1.80(2.0 + 2.0 + 2.0 + 2.0 + 1.0) ÷ 5
→
RAW4.601 + 2 × 1.80
→
RATING5.05 + 2.086 × (4.60 − 4.60)