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timmy-talking-turd/AI-EVIDENCE.md

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AI Analysis Evidence — 2026-08-19

Hosted path

  • Transport: Timmy /api/analyze → local hermes proxy → Nous Portal OpenAI-compatible API.
  • Model: stepfun/step-3.7-flash:free.
  • Browser/app screenshot: status: needs_user_input, isStool: false.
  • Synthetic illustration: status: needs_user_input, isStool: false.

Self-hosted open-weight path

  • Runtime: locally compiled llama.cpp, commit 6d05498314db1b57f81c271080018aa2d0b89be9.
  • API: loopback OpenAI-compatible llama-server.
  • Real input: metadata-stripped derivative of Wikimedia Commons Human Feces Bristol Stool Chart Type 4, SHA-256 b3df757f75b83d20050675d14db9ac59d94e5065581748bc873bc5783782a63a.
  • The source image is CC BY-SA 3.0 and explicitly labeled Type 4 by its source.

SmolVLM-500M-Instruct Q8

  • No content refusal.
  • Recognized stool, but did not produce a usable Bristol type.
  • Structured request: 25.606 seconds.
  • Resident memory: 908,420 KiB.
  • Verdict: admission/quality experiments only.

SmolVLM2-2.2B-Instruct Q4_K_M

  • No content refusal.
  • Valid schema.
  • isStool: true.
  • Color: brown.
  • Bristol prediction: Type 1; source label: Type 4.
  • Confidence: 0.5; quality: poor.
  • Timmy correctly returned needs_user_input instead of prefilling.
  • Cold structured request: 89.259 seconds.
  • Subsequent Timmy end-to-end request: 15.904 seconds.
  • Resident memory: 3,362,048 KiB.
  • Verdict: sovereign bootstrap worker; not an accurate production classifier.

Positive UX path

The browser path—photo selection, compression, self-hosted readiness display, self-host-specific consent copy, API response, confidence display, Type/color prefill, confirmation, and preservation of zero-valued urgency/discomfort—passes with a deterministic positive fixture.

Honest conclusion

The provider-moderation barrier is removed: a Timmy-controlled open-weight service accepts real stool imagery. The classification barrier remains: the generic VLM failed the known Type 4 label, so real prefilling must stay behind abstention while Timmy collects consented, human-confirmed labels for a specialist model. Full decision and sources: research/SELF-HOSTED-STOOL-VISION.md.