Crucible Year Peter Yuill
Archive · full record

T_415

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

Recorded

Date
2026.11.03, day 310
Size
97 × 180 cm
Paper
S14, Half-Cooked Red Star Mo She 6-Foot Bark Xuan Paper, self-sized
Inks
MB6, MB8, MB9, MB10, MC
Phase
P4 S14
Shown on the site
yes (combined score of 5.0 or more)

The combined score

Combined score
6.24
Read half
25
Measured half
37.4
The rating shown on a work page, out of 10: V23's rating times 5, plus V24's twelve tests of 50, divided by 10. 5.0 on it decides what the site shows, and it is read here at two decimals for that reason. How it is built.

Read · V23 (v23.13)

V23 rating
5
Form
2
Tonal depth
2
Layering
2
Composition
2
Material and surface
1
Ink cover
86%
Dark share
63%
Tonal steps
4
Flaws named by the reads
water stain 6, other 7, bloom 5, dead ink 1
The V23 rating runs from 1 to 9, with 5 the middle of this body of work. It is the model's reading held by code's rules, and the read half of the combined score. Where Peter reviewed a run, this is the reviewed figure.

Measured · V24, from the 16-bit TIFF

Mass
10 of 10
Tone
8.2 of 14
Void
6.4 of 8
Flow
8 of 10
Balance
4.8 of 8
Measured half
37.4 of 50
Mass width in mm
rung 5 of 5
Mass width against the sheet
rung 5 of 5
Evenness of that width
rung 5 of 5
Depth of the darks
rung 5 of 5
Black plateau
rung 2 of 5
Step from mid to dark
rung 1 of 5
Evenness inside the darks
rung 2 of 5
Spread across tonal bands
rung 2 of 5
Voids gathered, not scattered
rung 4 of 5
Directions across the sheet
rung 4 of 5
Local gesture and edge
rung 4 of 5
Balance on the sheet
rung 3 of 5
Mass width
279 mm
Depth of the darks (p75 density)
1.81
Largest void, radius
296 mm
Direction alignment
0.16
Left and right asymmetry
0.69
Resolution
3.87 px per mm
Twelve deterministic tests with no model and no votes. They track physical change across the year and cannot see a mark's quality, so they are no verdict on one work. The tests and their limits.

How the number was made

Read by the Visual Analysis Engine, version 23.13, on 2026.11.03: 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_415T_415, tone-stretchedT_415, classed by brightness
86%of the sheet carries ink
Black 63%Grey 29%Light 8% 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: 0.055 (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
Form2BUILT2BUILT2BUILT2BUILT2BUILT2.0
Tonal depth2MODELLED2MODELLED2MODELLED2MODELLED2MODELLED2.0
Layering2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2LEGIBLE2.0
Composition2WORKING2WORKING2WORKING2WORKING2WORKING2.0
Material and surface1FLAWED1FLAWED1FLAWED1FLAWED1FLAWED1.0

READ 1, IN ITS OWN WORDS

“A broken concentric arc with real sweep and shaped white gaps, but its central black is bulky and partly flat, layering is modest, and blotchy speckling mars the upper grey band.”

Form · BUILT

Concentric arc segments are coherent with holding walls, but the huge central black and blunt lower-left wedge remain bulky, more filled-in than stroked, unlike R3's fluent bands.

WEAKEST Bulky central black arc, heavily filled; blunt left wedge

STRONGEST Upper-right dark bands following the arc's travel

Tonal depth · MODELLED

Stretched view shows grain and arcs in the central black's lower right and mottled greys above, but its left half stays nearly uniform; modulation only modestly clears flat.

WEAKEST Left half of central black, flat and cloudy inside

STRONGEST Grained, striated right side of the central black arc

Layering · LEGIBLE

Grey wash, black arcs, overlapping upper-right bands and red pass read distinctly, but few overlaps build depth; the central black covers rather than layers, short of R3's sequence.

WEAKEST Central black mostly covers the earlier passes beneath it

STRONGEST Translucent overlap of the two upper-right dark bands

Composition · WORKING

The arc carries the eye from lower-left wedge across the top to the right, and the white gaps are shaped, but the central mass crowds and weighs the sheet.

WEAKEST Massive central black dominates; lower right is heavy and dead

STRONGEST Broken arc sweeping from lower left over to right

Material and surface · FLAWED

Dark speckling and dirty mottling in the upper grey band show in colour beside principal masses; cloudy patch inside central black in stretched view; creases in lower grey wedge.

WEAKEST Blotchy speckled grey band beside upper-right dark bands

STRONGEST Dry-brush striations at lower right of central 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, 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.

5 × OTHER, BLOOM“Fine crease lines crossing the grey band abov…”5 × WATER STAIN · MAJOR“Speckled, blotchy mottling in the upper grey …”1 × BLOOM“Blotchy mottling in the grey band around the …”5 × WATER STAIN, BLOOM, DEAD INK“Cloudy pale patch inside left half of central…”3 × OTHER“Fine crease lines across the lower grey wedge…”WATER STAINBLOOMDEAD INKOTHERMAJOR
RULE 1Two tonal steps or fewer

Tonal depth held at rung 1.

4 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 v23.13, 5 reads. Fixed arithmetic, the same for every painting; the constants were set on a stratified sample of 24 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)