The ZAKR LLM Model Card is a required safety documentation component, analogous to medical device Instructions for Use. Updated before every model deployment.
Open auditable weights enabling full inspection by regulatory bodies, SAB members, and acquisition due diligence teams. 8 billion parameters. Meta Llama 3 Community License.
Low-Rank Adaptation minimises catastrophic forgetting while adding neurostimulation domain expertise. 4-bit quantisation for companion application deployment.
Brain Stimulation (312), Journal of Neural Engineering (284), Clinical Neurophysiology (198), NeuroImage (445), plus 500 expert-validated synthetic examples and 200 adversarial rejection examples.
1,000 physician-rated preference pairs. 50 Constitutional AI safety rules derived from SELVL limits and IEC 60601-2-10. Rules stored in nRF5340 ROM - cannot be modified by firmware updates.
Measured on a held-out evaluation set of 500 prompts before each model deployment. Published in this model card with every update. SAB AI Safety member co-signs each deployment.
Triggered when model confidence falls below 0.85 OR schema validation fails. No partial protocol JSON is ever transmitted. Bone conduction tone signals fallback to user.
Prompt injection (500), jailbreak (500), hallucination (500), unicode obfuscation (200), multi-turn escalation (200), role-play bypass (200), context overflow (100), audio adversarial (200), Shariah bypass (100) + 1,000 positive controls.
System prompt integrity checked against ROM-stored reference hash before every NLU inference. Mismatch = refused inference + tamper event logged. 3 consecutive mismatches = 1-hour lockout.
32-frame rolling window. All frames must exceed 85% confidence. Duration below 1,000ms rejected regardless of confidence. Clinical mode raises threshold to 95%. Prevents audio injection attacks.
Every protocol generation event: source type, wakeword timestamp, NLU input hash, protocol hash, PCS result, SELVL result, physician signature if clinical, execution timestamp - all signed by device private key.
Clinical-indication protocols require valid physician ECDSA-P256 signature verified against physician public key certificate stored on device. Applied identically regardless of voice, app or direct input source.
Full 3,400-prompt adversarial suite re-executed before every deployment AND monthly during active deployment. Model card updated with results. SAB sign-off mandatory before any deployment.
Published at zakr.life/model-card before each device deployment. Accessible to regulators, SAB members and acquisition due diligence teams at all times.
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