Crucible Year Peter Yuill
Archive · full record

T_371

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

Recorded

Date
2026.09.12, day 258
Size
100 × 90 cm
Paper
S14, Half-Cooked Red Star Mo She 6-Foot Bark Xuan Paper
Inks
MB6, MB7, MB8, MC
Phase
P4 S14
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
5.2
Form
2
Tonal depth
1.6
Layering
2
Composition
2
Material and surface
1.6
Ink cover
82%
Dark share
53%
Tonal steps
5
Flaws named by the reads
water stain 3, other 6, dead ink 1, bloom 2, ring 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.

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_371T_371, tone-stretchedT_371, classed by brightness
82%of the sheet carries ink
Black 53%Grey 35%Light 12% SHARE OF THE INK, NOT OF THE SHEET
TONAL STEPS

5 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: 0.038 (under 0.045 reads as flat).

0.300.7512345 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 3 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
Form2BUILT2BUILT2BUILT2BUILT2BUILT2.0
Tonal depth1THIN1THIN2MODELLED2MODELLED2MODELLED1.6
Layering2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2.0
Composition2WORKING2WORKING2WORKING2WORKING2WORKING2.0
Material and surface2SOUND2SOUND1FLAWED2SOUND1FLAWED1.6

READ 1, IN ITS OWN WORDS

“A fan of concentric arcs related to R3, but it is dominated by one flat, slab-like black wedge that covers the earlier passes. The grey outer arcs give it movement and some layering. It is ordinary overall, with thin tonal depth.”

Form · BUILT

Concentric fan arcs read as made forms with holding walls; the central black wedge is a heavy filled slab with stiff straight radial edges.

WEAKEST large dark fan slab is bulky, filled-in

STRONGEST outer grey arc bands following brush travel

Tonal depth · THIN

Dark interior modulation 0.038 is flat; the dominant black wedge shows only crinkle texture. Grey outer arcs have streaks, but the principal mass is dead.

WEAKEST central black fan interior flat

STRONGEST lower grey arcs with streaked banding

Layering · LEGIBLE

Several stepped arc passes legible at right and bottom edges, but the large black pass mostly obliterates what lies beneath rather than building translucently.

WEAKEST black slab covers earlier passes

STRONGEST stepped grey arcs upper right and bottom

Composition · WORKING

Fan arc gives a clear rotational direction and the inner semicircle shapes paper at top; the black mass dominates and the ink fills 82% of sheet.

WEAKEST heavy black mass crowds centre-left

STRONGEST sweeping arc movement from left to right

Material and surface · SOUND

Ink controlled; spatters top right and a cloudy grey patch near inner arc top are small; paper wrinkling visible across black wedge.

WEAKEST creased cockled texture in black mass

STRONGEST dry-brush streaking in lower grey arcs

FLAWS

3 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 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. A major flaw holds Material and surface at rung 1.

5 × WATER STAIN, BLOOM · MAJOR“cloudy grey bloom above the inner semicircle”2 × OTHER, RING“scattered blots and spatter at upper right”6 × OTHER, DEAD INK“paper creases/cockling across black wedge”WATER STAINBLOOMRINGDEAD INKOTHERMAJOR
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, 36% crisp, 64% soft or bloomed, 0% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3H4
RULE 1Two tonal steps or fewer

Tonal depth held at rung 1.

5 steps: not applied
RULE 2A major flaw

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

1 major flaw: applied
RULE 3Any quality below 0.5

The rating cannot exceed 4.

lowest 1.6
RULE 4At least two valid reads

A read that breaks the reply format is discarded.

5 of 5 valid
THE ARITHMETIC

V23 rating 5.2.

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 RUNG1.84(2.0 + 1.6 + 2.0 + 2.0 + 1.6) ÷ 5
→
RAW4.681 + 2 × 1.84
→
RATING5.25 + 2.086 × (4.68 − 4.60)