Crucible Year Peter Yuill
Archive · full record

T_330

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

Recorded

Date
2026.06.03, day 157
Size
97 × 180 cm
Paper
S12, Red Star Mo She Special Effect Xieyi, half-raw
Inks
MB4, MB5, MB6
Phase
P3 The Floor Rises
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
8.5
Form
3
Tonal depth
2.8
Layering
3
Composition
2.6
Material and surface
1.8
Ink cover
82%
Dark share
54%
Tonal steps
8
Flaws named by the reads
water stain 3, ring 2, other 7, bloom 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
8
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
8
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_330T_330, tone-stretchedT_330, classed by brightness
82%of the sheet carries ink
Black 54%Grey 35%Light 11% SHARE OF THE INK, NOT OF THE SHEET
TONAL STEPS

8 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: 0.056 (under 0.045 reads as flat).

0.300.7512345678 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, agreeing on 2 of 5 qualities.

Each quality placed on its ladder by each read, and the mean the engine keeps. Where reads differ, they differ by one rung; close calls resolve down.

READ 1READ 2READ 3READ 4READ 5MEAN
Form3FLUENT3FLUENT3FLUENT3FLUENT3FLUENT3.0
Tonal depth3DEEP2MODELLED3DEEP3DEEP3DEEP2.8
Layering3ORDERED3ORDERED3ORDERED3ORDERED3ORDERED3.0
Composition2WORKING3COMMANDING3COMMANDING2WORKING3COMMANDING2.6
Material and surface1FLAWED2SOUND2SOUND2SOUND2SOUND1.8

READ 1, IN ITS OWN WORDS

“This is a close relative of R3: fluent concentric arcs with ordered translucent layers and good tonal range. It falls short of R3 because the lower right is heavy and crowded, and spots spoil the white centre.”

Form · FLUENT

Concentric arc bands on both halves follow the curve of the stroke with clean holding walls; the lower-right band ends are squarer and heavier but still travel.

WEAKEST Blocky stepped ends of the lower-right dark bands

STRONGEST Left sweeping arc bands following the brush's curve

Tonal depth · DEEP

Eight tonal steps; interior modulation 0.056 shows grain and creases inside the darks; graded greys from pale outer arcs to black inner bands on both sides.

WEAKEST Lower-right dark mass, near-black and dense

STRONGEST Left upper arcs stepping from pale grey to black

Layering · ORDERED

Several translucent passes overlap in readable order, pale outer arcs under darker inner ones; sequence legible across both halves, though the darkest right passes largely cover what lies beneath.

WEAKEST Lower-right overlaps where black covers earlier greys

STRONGEST Translucent stacked arcs at upper left

Composition · WORKING

Two facing arc systems circle a shaped central void with clear rotational movement; the bottom right is dense and heavy, weighing the sheet down compared with R3's balance.

WEAKEST Heavy, crowded dark mass at bottom right

STRONGEST Central white circle opening between the two arcs

Material and surface · FLAWED

Scattered grey spots and drips sit in the central white opening right against the inner left arc, visible in the colour view; a ring-like mark sits inside the right dark mass.

WEAKEST Grey spot spatter in central white beside inner arc

STRONGEST Grainy dry edges on upper left arcs

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, 13 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.

3 × RING, BLOOM“circular mark inside right dark band mass”5 × WATER STAIN, OTHER“grey spots and drips in central white opening…”WHOLE SHEET · 5 × OTHERWATER STAINBLOOMRINGOTHER
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 3 principal ink masses traced (cyan), 2 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 19 edge segments, 32% crisp, 63% soft or bloomed, 5% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2
RULE 1Two tonal steps or fewer

Tonal depth held at rung 1.

8 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 1.8
RULE 4At least two valid reads

A read that breaks the reply format is discarded.

5 of 5 valid
THE ARITHMETIC

V23 rating 8.5.

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 RUNG2.64(3.0 + 2.8 + 3.0 + 2.6 + 1.8) ÷ 5
→
RAW6.281 + 2 × 2.64
→
RATING8.55 + 2.086 × (6.28 − 4.60)