Crucible Year Peter Yuill
Archive · full record

T_357

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

Recorded

Date
2026.06.14, day 168
Size
97 × 180 cm
Paper
S10, Red Star Mo She Imitation Antique Chu bark, Exhibition Edition
Inks
MB4, MB5, MB6
Phase
P3 The Floor Rises
Shown on the site
yes (V23 rating of 5.0 or higher)
Early storage triage
SA: save, archive (Peter's early system, since retired)

Measured · V23 (v23.8)

V23 rating
6.7
Form
2
Tonal depth
2
Layering
3
Composition
2
Material and surface
2
Ink cover
87%
Dark share
51%
Tonal steps
3
Flaws named by the reads
other 10, overwork 1
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.

Peter's own rating

Rating
7
Peter's rating is his own eye, not the engine's, and he never gives a 10.
“There is always something that can be done better.”
Peter Yuill · 2026.07.02

Older engine

V10C
7
From an earlier engine (V10C). 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_357T_357, tone-stretchedT_357, classed by brightness
87%of the sheet carries ink
Black 51%Grey 44% 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: 0.040 (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
Layering3ORDERED3ORDERED3ORDERED3ORDERED3ORDERED3.0
Composition2WORKING2WORKING2WORKING2WORKING2WORKING2.0
Material and surface2SOUND2SOUND2SOUND2SOUND2SOUND2.0

READ 1, IN ITS OWN WORDS

“This is a concentric arc construction in R3's family with good translucent layering. It falls short of R3 through a flat, heavy left dark core, stiff stepped blocks in the centre, and crowded coverage that leaves little shaped empty paper.”

Form · BUILT

Arc bands follow the stroke around the horseshoe, but the central column ends are blunt stepped rectangles and the stacked blocks feel stiff and filled in.

WEAKEST Stepped rectangular block ends in the centre columns

STRONGEST Curving arc bands following the brush travel

Tonal depth · MODELLED

The outer rings step through greys, but the measured dark-interior modulation (0.040) is flat and the left dark core reads as an even, uniform block.

WEAKEST Dense dark core of the left arc

STRONGEST Graded grey bands in the outer rings

Layering · ORDERED

Many translucent passes overlap in arcs with a readable order, especially on the right; the left core's stacking thickens towards an opaque dark.

WEAKEST Dense overlaps in the left dark core

STRONGEST Translucent overlapping arcs on the right side

Composition · WORKING

The horseshoe sweep and the central slot give it direction, but 87% ink coverage crowds the frame, and the left dark mass is heavy compared with R3's open space.

WEAKEST Crowded heavy left mass with little breathing paper

STRONGEST Horseshoe sweep around the open top-centre void

Material and surface · SOUND

The ink is controlled, with clean band edges. There is a small smudge and some speckles at the lower right, away from the principal masses, and faint paper creases.

WEAKEST Smudged dry patch and specks, lower right

STRONGEST Grainy brush edges on the arc bands

FLAWS

3 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 3 distinct places, 11 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.

1 × OTHER“dark horizontal scratch mark on left edge band”4 × OTHER“faint brownish discolouration inside darkest …”6 × OTHER, OVERWORK“speckled flecks near the bottom-right edge”OVERWORKOTHER
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 1 principal ink mass traced (cyan), 4 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 14 edge segments, 64% crisp, 29% soft or bloomed, 7% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3H4
RULE 1Two tonal steps or fewer

Tonal depth held at rung 1.

3 steps: not applied
RULE 2A major flaw

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

none named
RULE 3Any quality below 0.5

The rating cannot exceed 4.

lowest 2.0
RULE 4At least two valid reads

A read that breaks the reply format is discarded.

5 of 5 valid
THE ARITHMETIC

V23 rating 6.7.

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 RUNG2.20(2.0 + 2.0 + 3.0 + 2.0 + 2.0) ÷ 5
→
RAW5.401 + 2 × 2.20
→
RATING6.75 + 2.086 × (5.40 − 4.60)