Crucible Year Peter Yuill
Archive · full record

T_377

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
6.8
Form
2.2
Tonal depth
2
Layering
3
Composition
2
Material and surface
2
Ink cover
77%
Dark share
57%
Tonal steps
4
Flaws named by the reads
other 8, water stain 2
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_377T_377, tone-stretchedT_377, classed by brightness
77%of the sheet carries ink
Black 57%Grey 28%Light 15% 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: 0.053 (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, agreeing on 4 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
Form2BUILT2BUILT2BUILT3FLUENT2BUILT2.2
Tonal depth2MODELLED2MODELLED2MODELLED2MODELLED2MODELLED2.0
Layering3ORDERED3ORDERED3ORDERED3ORDERED3ORDERED3.0
Composition2WORKING2WORKING2WORKING2WORKING2WORKING2.0
Material and surface2SOUND2SOUND2SOUND2SOUND2SOUND2.0

READ 1, IN ITS OWN WORDS

“I placed this sheet on rung 3 for layering and rung 2 on the other four ladders. It has R3's radiating arcs and layered passes but less refinement. The lower-left block is bulky. The upper block is flat inside, the top right is crowded, and minor creases show in the darks.”

Form · BUILT

Arc segments mostly follow brush travel with dry-brush edges; lower-left slab reads bulky, its left end dissolving into spatter rather than a held wall.

WEAKEST Lower-left block, ragged spattered left end

STRONGEST Right arc band curving round the open centre

Tonal depth · MODELLED

Stretched view shows grain and stepped density in right arcs and lower-left block; upper-centre dark block is mostly even; modulation 0.053 is only modest.

WEAKEST Upper dark block, fairly even interior

STRONGEST Right arcs with graded density and dark core

Layering · ORDERED

Several translucent passes of arcs and blocks overlap in clear order, pale outer rings under darker bands; sequence readable across right half like R3.

WEAKEST Dense overlaps at top right merge slightly

STRONGEST Translucent grey arcs overlapping beneath dark bands

Composition · WORKING

Radiating fan gives direction and the left paper is shaped by spatter and faint rings; top right is heavy and crowded, the fan cropped awkwardly.

WEAKEST Crowded dark mass at top right

STRONGEST Fan of arcs radiating around right-edge centre

Material and surface · SOUND

Ink controlled with dry-brush edges; stretched view shows paper crease lines through the dark blocks and speckled mottling in lower-left block, minor at viewing distance.

WEAKEST Crease marks across dark block interiors

STRONGEST Dry-brush trailing edges on arc ends

FLAWS

5 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 5 distinct places, 10 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 × OTHER“crease lines through upper dark block and rig…”2 × OTHER“crease lines across upper dark arc interiors”2 × OTHER, WATER STAIN“speckled mottling inside lower-left grey block”2 × WATER STAIN, OTHER“mottled pale patches in centre-left panel”1 × OTHER“crease network in right dark arc”WATER STAINOTHER
GEOMETRY

Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 1 principal ink mass traced (cyan), 5 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 11 edge segments, 64% crisp, 36% soft or bloomed, 0% broken.

A1B1C1D1E1F1A2B2C2D2E2F2A3B3C3D3E3F3H1H2H3H4H5
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.

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 6.8.

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 RUNG2.24(2.2 + 2.0 + 3.0 + 2.0 + 2.0) ÷ 5
→
RAW5.481 + 2 × 2.24
→
RATING6.85 + 2.086 × (5.48 − 4.60)