---
title: "T_366, sumi ink on paper | Crucible Year"
url: https://peteryuill.art/works/T_366
description: "T_366 by Peter Yuill: Sumi ink on Half-Cooked Red Star Mo She 6-Foot Bark Xuan Paper, 97 × 180 cm, 2026.07.28. Crucible Year."
source: generated from the Crucible Year master database
---

![T_366, sumi ink on half-cooked red star mo she 6-foot bark xuan paper]

![T_366, tone-stretched: what the model was shown]

![T_366: every pixel as the measuring code classes it]

97 × 180 cm · the whole sheet, uncropped

# T_366

Record

- **Date:** 2026.07.28

- **Dimensions:** 97 × 180 cm

- **Paper:** [Half-Cooked Red Star Mo She 6-Foot Bark Xuan Paper, self-sized from October 2026](https://peteryuill.art/papers/S14)

- **Ink:** [Yi De Ge Yun Tou Yan](https://peteryuill.art/inks/MB6), [Kuretake Shogei Purple-Navy Black](https://peteryuill.art/inks/MB7), [Boku-Undo Gentoku Super Concentrated](https://peteryuill.art/inks/MB8), colour inks

[Enquire about T_366](https://peteryuill.art/enquiries?work=T_366) Availability, price or a studio visit. Peter replies himself; asking commits you to nothing.

Detail at full resolution, cut by code where the brushwork is finest · select to enlarge
[Details](https://peteryuill.art/works/T_366#details)[How it was read](https://peteryuill.art/works/T_366#read)[Date](https://peteryuill.art/works/T_366#date)[Materials](https://peteryuill.art/works/T_366#materials)[Related](https://peteryuill.art/works/T_366#related)

Measured

## How it was read

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](https://peteryuill.art/method).

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_366]

![T_366, tone-stretched]

![T_366, classed by brightness]

84% of the sheet carries ink

TONAL STEPS

## 2 families of tone.

Every inked pixel's brightness in 64 bins, smoothed; each circled peak holds at least 4% of the ink. Two or fewer: Tonal depth is held at the bottom rung whatever the model reads. A dense sheet of many translucent passes can count low here, so Layering is left to the reads. Life inside the black: 0.042 (under 0.045 reads as flat).

FIVE READS

## Five reads, one answer.

Each quality placed on its ladder by each read, and the mean the engine keeps.

READ 1 READ 2 READ 3 READ 4 READ 5 MEAN

Form 2 BUILT 2 BUILT 2 BUILT 2 BUILT 2 BUILT 2.0

Tonal depth 1 THIN 1 THIN 1 THIN 1 THIN 1 THIN 1.0

Layering 2 LEGIBLE 2 LEGIBLE 2 LEGIBLE 2 LEGIBLE 2 LEGIBLE 2.0

Composition 2 WORKING 2 WORKING 2 WORKING 2 WORKING 2 WORKING 2.0

Material and surface 2 SOUND 2 SOUND 2 SOUND 2 SOUND 2 SOUND 2.0

### READ 1, IN ITS OWN WORDS

“The radial arc design is like R3, but heavier and flatter. The dark masses are uniform inside, coverage is crowding, and the bottom blocks are blunt. Some layering, with a deliberate pink pass. The surface is mostly sound.”

Form · BUILT

The radial arc bands hold their walls and follow the curve. The bottom rectangles at left and right are stiff, filled-in slabs.

WEAKEST Blunt vertical slab blocks along the bottom edge

STRONGEST Inner arc ring hugging the white central opening

Tonal depth · THIN

Measured modulation 0.042, which is flat, with two tonal steps. The big left and centre arcs are uniform black inside. Only the right segments show streaked grain.

WEAKEST Large outer left arc, flat dark interior

STRONGEST Dry-brush streaked arc segments at right centre

Layering · LEGIBLE

The grey arc segments overlap legibly at the top and right. Pink bands sit under the black as a readable pass. The dark left masses hide the order of the passes.

WEAKEST Dense left arcs where passes merge into one black

STRONGEST Stepped grey and pink arc segments at upper right

Composition · WORKING

The concentric radial structure gives movement and a focal arch. Ink covers 84% of the sheet, so empty paper is only leftover corners. The bottom strip is jammed.

WEAKEST Crowded bottom band of rectangular blocks

STRONGEST Radial sweep converging on the white central arch

Material and surface · SOUND

Ink is controlled and edges are clean. There are a few drips at the left margin, specks at the bottom centre and a small blot near the arch, all away from the principal masses.

WEAKEST Spatter specks in the paper at bottom centre

STRONGEST Dry-brush texture in the right arc segments

FLAWS

## 4 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 4 distinct places, 16 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.

GEOMETRY

## Measured from the 16-bit master.

The previous engine (V22) measured this sheet's master file: 1 principal ink mass traced (cyan), 2 enclosed voids at true size in their grid cells (amber), the main gesture from start to end (red). Of 13 edge segments, 62% crisp, 39% soft or bloomed, 0% broken.

The rating these readings produce, the rules applied and the arithmetic, with Peter's own rating where he gave one, are in [the Archive record](https://peteryuill.art/archive/works/T_366).

## Date

2026.07.28, day 212 of the Crucible Year, one of 11 paintings from that date (10 shown). 0 works were registered in the fourteen days before. Paintings are dated by the day their batch was registered and photographed; each was finished that day or within the few days before. Phase: [P3 The Floor Rises](https://peteryuill.art/phases/P3) (working title).

The first paintings registered in 44 days.

THE YEAR

## T_366 among all 402

Every painting of the year by date; this one is outlined.

[Every painting from 2026.07.28](https://peteryuill.art/days/2026-07-28) · [This date in the year](https://peteryuill.art/year?follow=2026-07-28)

## Materials

- **Paper:** [Half-Cooked Red Star Mo She 6-Foot Bark Xuan Paper, self-sized from October 2026](https://peteryuill.art/papers/S14), China Xuan Paper Co., Ltd., made 2026.04.08

- **Ink MB6:** [Yi De Ge Yun Tou Yan](https://peteryuill.art/inks/MB6), Yi De Ge (Beijing)
- **Ink MB7:** [Kuretake Shogei Purple-Navy Black](https://peteryuill.art/inks/MB7), Kuretake
- **Ink MB8:** [Boku-Undo Gentoku Super Concentrated](https://peteryuill.art/inks/MB8), Boku-Undo
- **Colour:** colour inks, recorded together

The sheet of paper was made 111 days before this painting.

When each paper was in use

[S1](https://peteryuill.art/papers/S1)[S2](https://peteryuill.art/papers/S2)[S3](https://peteryuill.art/papers/S3)[S4](https://peteryuill.art/papers/S4)[S5](https://peteryuill.art/papers/S5)[S6](https://peteryuill.art/papers/S6)[S7](https://peteryuill.art/papers/S7)[S8](https://peteryuill.art/papers/S8)[S9](https://peteryuill.art/papers/S9)[S10](https://peteryuill.art/papers/S10)[S11](https://peteryuill.art/papers/S11)[S12](https://peteryuill.art/papers/S12)[S13](https://peteryuill.art/papers/S13)[S14](https://peteryuill.art/papers/S14)

Jan Feb Mar Apr May Jun Jul Aug Sep Oct

## Related

From the same date · 9

Same paper and inks, other dates · 6

[Pattern V23 material and surface rung rose from 2026-05-24 on (rank-biserial +0.78, n 259)](https://peteryuill.art/oracle)[Pattern The floor of V23 Form rung raised in the later half of the practice (+2.30 SD, n 259)](https://peteryuill.art/oracle)[Pattern 45% of the variation in V23 Composition rung lies between batches (29 batches, n 259); with the month held constant 26%](https://peteryuill.art/oracle)

[Previous T_365](https://peteryuill.art/works/T_365)
[Back to all works](https://peteryuill.art/works)
[Next T_367](https://peteryuill.art/works/T_367)

## Where next

[T_359 same date, with 8 others](https://peteryuill.art/works/T_359)[T_371 same paper and inks, 2026.09.12](https://peteryuill.art/works/T_371)[2026.07.28 11 paintings on this date](https://peteryuill.art/days/2026-07-28)[Paper S14 every work on it](https://peteryuill.art/papers/S14)
