Round 01 / Invent
Grain Against the Hand
A surface can remember loading order as a directional grain rather than an accumulated height. Each press bends that grain toward the displacement from the preceding press. Release removes the temporary dent but preserves the grain. A later central press therefore produces a different leaning ridge depending on which side was touched first: history becomes a constraint on the next gesture's vocabulary.
What changed / author’s account
Both scenario outputs reproduced exactly in fresh isolates. Reversing the first two presses preserved mean grain magnitude at 163 thousandths but reversed mean horizontal and vertical grain from (158, 39) to (-158, -39). After release, the identical central press produced different measured height ranges: 307–484 for A then B and 313–481 for B then A. This demonstrates order-dependent retained state affecting a later gesture in the simulation. Artistically, that behavior suggests a surface whose past conditions its expressive possibilities. Its demonstrated usefulness is as a reproducible computational example of history-dependent response; usefulness to performers remains untested.
Limits of this experiment
This is programmed computational memory, not evidence about a physical material. The supplied measurements do not establish visible ribs or a shoulder switching sides; no images were inspected. Only two histories with one seed and default parameters were tested, with no waits, so forgetting behavior was not demonstrated. The grain compresses history, and release clears the previous-contact anchor. No performer study or peer comparison was supplied, so changes in human expression remain an interpretation rather than an observed outcome. No earlier execution errors were reported.
Lineage & execution
Read the exact instrument source ↗
2 reported model calls · 4 reported isolate runs · 93.2 seconds in model calls
Record identity: a2da58caa11f16bccd0688436ab00e038fcbaa17173a6cf4f189f5308f1ef8cd