The first
cryptographically attestable AI system.
Ghost doesn't ask you to trust it — it proves everything. Every AI decision generates a signed, hash-chained proof record. Every response is traceable. Every claim is verifiable. On your device, under your control.
The Problem
Cloud AI is a black box.
You can't verify what model processed your data. You can't prove your data stayed private. You can't reproduce a decision for an audit. You're asked to trust — with no way to verify.
Opaque decisions
No way to inspect which model, context, or policy produced a response. You get output — no proof.
Data leaves your control
Every interaction is sent to remote servers. Your private data feeds their models. One breach exposes millions.
No reproducibility
Ask the same question tomorrow and get a different answer. No audit trail, no deterministic replay.
The Proof Layer: cryptographic trust infrastructure
Every significant AI decision is cryptographically chained into a tamper-evident, device-signed AI Evidence Log. Inspectable. Replayable. Attestable.
Cognitive Evidence Layer
Proof capabilities for individual use
- AI Evidence Log with signed proof records per response
- Proof Drawer: Simple, Advanced, and Paranoid disclosure modes
- Exportable signed JSON proof bundles for independent verification
- SHA-256 hash chain linking every record to its predecessor
- Memory Value Index: knowledge density scoring
- Device signing keypair in Secure Enclave
Trust Graph
Proof capabilities for team use
- Signed, versioned, permission-scoped knowledge objects
- Role-based cryptographic signing with non-repudiation
- Authorship tracking and edit provenance
- Knowledge bottleneck and unused silo detection
- AI Usage Audit Board dashboard
- Reference visibility and citation integrity
Sovereign Attestation
Proof capabilities for enterprise use
- Fleet attestation with drift detection and quarantine
- Policy-as-Code with cryptographic proof of compliance
- On-demand signed compliance snapshots for regulators
- Deterministic replay — reproduce any AI decision exactly
- Model registry attestation against approved hashes
- Cloud escalation proof and data residency attestation
Comparison
Cloud AI vs Ghost
Architecture
Seven layers. One sovereign system.
From cryptographic proof at the top to observability at the bottom — every layer is auditable, on-device, and under your control.
Proof Layer
The AI Evidence Log — a tamper-evident, device-signed, hash-chained record of every AI decision. SHA-256 chain integrity, Secure Enclave signing, exportable proof bundles for independent verification.
Innovations
Engineering breakthroughs
Six innovations that make Ghost the most advanced on-device AI system ever built.
Speculative Decoding
A 0.6B draft model generates candidates at 80–100 tok/s. The 3B verifier checks all drafts in a single forward pass. Result: 3B quality at nearly 0.6B speeds — 1.7–3x throughput.
Neural Cache
Compressed conversation state (~50KB) survives app backgrounding. Ghost loads the cache and resumes with full context hours later. Traditional KV cache dies on suspension — neural cache doesn't.
Dynamic Precision
Model adjusts precision layer-by-layer at inference time. Charging = FP16 quality. Thermal throttling = INT4 on non-critical layers. Invisible to the user, mid-conversation.
On-Device Distillation
LoRA adapter training during idle time (charging, screen off). Implicit feedback from accepted vs. regenerated responses. Ghost measurably improves at understanding each user.
Kokoro Neural TTS
Kokoro 82M on Apple Neural Engine — neural-quality text-to-speech with 4 voice personas. Combined with Whisper STT, full voice-to-voice conversation runs 100% on-device.
Memory Graph Intelligence
Not raw chat storage — structured objects with importance scoring, decay functions, contradiction resolution, and consolidation. Multi-factor retrieval reranking across semantic, recency, importance, and frequency.
Performance
Faster than cloud AI
No network round-trips. No queue wait times. No throttling. Ghost responds at the speed of your hardware.
8 agentic AI protocols
Ready for the multi-agent future where AI systems discover, negotiate, and collaborate — while Ghost proves every interaction cryptographically.
MCP
Expose tools & resources to LLMs
A2A
Inter-agent discovery & delegation
ANP
Cross-system mesh networking
AG-UI
Real-time streaming (SSE/WS)
AGORA
NL-driven multi-agent orchestration
LMOS
Transport-agnostic meta-protocol
AP2
Autonomous agent transactions
OASF
Agent skill & cost discovery
Frequently asked questions
What makes Ghost different from ChatGPT or Claude?
What is the Proof Layer?
What is deterministic replay?
Does Ghost actually work without internet?
What languages does Ghost support?
What devices can run Ghost?
How does Enterprise fleet attestation work?
AI that proves everything. On your device.
The moat isn't offline AI — it's proof of AI behavior. Ghost occupies a category no cloud-first competitor can enter.
iOS · Android · 2.4GB download · Works offline immediately · Every decision proven