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open-standards/wai/haptic-conformance/README.md
Transaction Science 46c5688b86 wai: the WAI open standard — full cargo-class surface + provenance 
Commit the WAI standard source: a content + capability-dispatch standard
whose thesis is "carries whatever it can reconstruct, verifies whatever
it carries." Source only — large vendored/model assets and build output
are gitignored.

Reconstruct classes (each: spec + conformance corpus + in-tab browser
sink that re-derives the corpus hash, one wai.det.fixed64 fixed-point
floor, one *-equivalence apiece):
  - interactive worlds  (replay-equivalence)   + 3 sim registrants,
    multiplayer over a relay, session receipts, glTF + real SPZ assets
  - spatial audio        (mixdown-equivalence)
  - haptics              (sample-equivalence)
  - state-feeds          (replay-equivalence, non-physics sim)
  - avatars / digital humans (pose-equivalence) + telepresence over the relay
  - volumetric / 4D splats   (frame-state-equivalence) + WebGPU EWA render,
    real-SPZ-derived clip

Verify half (lever 4):
  - asset provenance: a signed, energy-accounted lineage for opaque
    captured content WAI does not reconstruct; tamper-evident, in-tab.

Cross-cutting: JWP receipt profiles per class; a native energy meter
(IOReport via macmon, no sudo) emitting receipts with REAL measured
joules; the learned-image/neural codec family and JPEG AI entropy port
from earlier work.

Co-Authored-By: Claude Opus 4.8 <[email protected]>
2026-06-13 22:28:51 -04:00

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Haptics Conformance Corpus

Vectors for the haptics extension's sample-equivalence criterion: given the same wai.haptic.signal, a conforming sink MUST reconstruct the identical canonical u8 buffer (per-channel interleaved [intensity, sharpness]), hence the identical BLAKE3 — on every machine, no tolerance parameter. The touch counterpart of replay/mixdown-equivalence, with the tick replaced by the haptic sample.

All vectors reconstruct in the wai.det.fixed64 floor (Fx linear interpolation of the keyframed envelope → u8). Signals are self-contained (no external sources), so each vector is just a .whap file + its expected signal_hash.

Layout

  • vectors/<name>.whap — the WHAP container (contract + channel signals).
  • expected_hashes.json — per signal: channels and signal_hash.

Vectors:

  • ramp — intensity 0→1 over the duration.
  • thud — full sharp hit, decaying.
  • dual_pulse — two channels (dual-rumble): a strong pulse + a soft steady channel.

Running

cd ../wai-rs
cargo run --features haptic --bin wai_haptic_vectors -- verify ../haptic-conformance
cargo run --features haptic --bin wai_haptic_vectors -- gen    ../haptic-conformance   # regenerate

Pass = hash equality.