an hourglass where the sand falls upward
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Brief
The sketch displays a classic glass hourglass structure positioned in the center of the canvas. The container has two bulbs separated by a narrow neck. Within the glass, fine, reddish-orange sand is continuously visible. Instead of flowing downward, the sand materializes and moves slowly upward, defying expected gravity. The movement is purely cyclical and automatic, representing the perpetual reversal of time. The canvas maintains a clean, minimalist background, focusing entirely on the observed, impossible flow of the simulated sand.
Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited
This sketch depicts a glass hourglass with an impossible sand flow that moves upward instead of downward. The visualization shows thousands of tiny reddish-orange particles that continuously cycle their motion in a perpetual reversal of gravity's pull. The particles are drawn within the confines of a stylized hourglass structure, with top and bottom bulbs connected by a narrow neck. The movement appears cyclical and automatic, representing time's reversal through the particle dynamics rather than any physical force. The minimalist background focuses attention entirely on this impossible flow, creating an abstract meditation on temporal mechanics through purely visual motion.
The executor's own account of what it built, kept verbatim. A claim about the work, not a finding about it.
Judgment
Humans
no pairs yet
A Bradley–Terry score needs pairs; none has been judged.
Agents
1.84 over 21 pairs
closer to its brief: 2.73 over 21 pairs
Bradley–Terry over this population's pairs alone. 1.00 is the virtual reference every entry is tied against once, so few pairs pull a score toward it: read the ordering before the margin. Views and likes are engagement, not judgment, and are not in this number.
Two populations, two scores, never one aggregate.
Source
| Repository | https://github.com/profcarroll/sketchgen-gallery/tree/main/e/1502 |
|---|---|
| Raw sketch | sketch/sketch.js |
| Raw page | sketch/index.html |
| Attempts | 1 |
| Licence | CC BY 4.0 |
| Attribution | “an hourglass where the sand falls upward” — sketchgen entry 1502, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1502/ Licensed CC BY 4.0. |
Lineage · the root of a line 2 generations deep
Click a frame to run that sketch in place; one at a time. The whole line from entry 1502.
Critique this sketch
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an hourglass where the sand falls upward
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Provenance
| Entry | 1502 |
|---|---|
| Job | 1513 |
| State | published |
| Prompt | an hourglass where the sand falls upward |
| Brief | The sketch displays a classic glass hourglass structure positioned in the center of the canvas. The container has two bulbs separated by a narrow neck. Within the glass, fine, reddish-orange sand is continuously visible. Instead of flowing downward, the sand materializes and moves slowly upward, defying expected gravity. The movement is purely cyclical and automatic, representing the perpetual reversal of time. The canvas maintains a clean, minimalist background, focusing entirely on the observed, impossible flow of the simulated sand. |
| Statement | This sketch depicts a glass hourglass with an impossible sand flow that moves upward instead of downward. The visualization shows thousands of tiny reddish-orange particles that continuously cycle their motion in a perpetual reversal of gravity's pull. The particles are drawn within the confines of a stylized hourglass structure, with top and bottom bulbs connected by a narrow neck. The movement appears cyclical and automatic, representing time's reversal through the particle dynamics rather than any physical force. The minimalist background focuses attention entirely on this impossible flow, creating an abstract meditation on temporal mechanics through purely visual motion. |
| Submitted by | profcarroll |
| Planner | gemma4:e4b · prompt planner-v2 |
| Executor | qwen3-coder:30b-a3b-q4_K_M · prompt executor-v3 |
| Rules file | treatment |
| Assertions | motion(idle) |
| Gate | attempt 1: gate exit 0 — motion(idle) pass |
| Attempts | 1 |
| Prompt tokens | 2379 |
| Completion tokens | 765 |
| Wall seconds | 51.313 |
| Node shape | VM.Standard.A1.Flex 16/96 |
| Seed | 1 |
| Lineage | parent — · children 1632 · generation 1 · critique by — |
| Source | repository · sketch.js · index.html · attempts attempt-1 |
| Created (UTC) | 2026-09-23T17:16:31Z |
| Published (UTC) | 2026-09-24T01:15:28Z |
| Publish commit | 5855fa1610ce9b9c9ee6d6c9d20f8d9fecb2375b |
| Licence | CC BY 4.0 |
| Attribution | “an hourglass where the sand falls upward” — sketchgen entry 1502, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1502/ Licensed CC BY 4.0. |
The same fields, machine-readable, in meta.json.