🧠 PR 4: AI Oracles & Machine Learning Verifiers (208/214/237)

docs/PiRC-208-AI-Integration-Standard.md

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+# PiRC-208: Pi Network AI Integration Standard
+
+## 1. Executive Summary
+
+This document defines **PiRC-208**, the official standard for seamless, sovereign, and decentralized integration of Artificial Intelligence (AI) capabilities into the Pi Network ecosystem.  
+
+PiRC-208 builds directly upon **PiRC-207 Sovereign Sync** and the **Registry Layer + 7-Layer Colored Token System**. It introduces standardized AI oracles, attention verification engines, decentralized inference layers, and AI-governed economic mechanisms while preserving full mathematical parity, reflexive parity, and economic sovereignty.
+
+**Core Objective**: Enable every Pi App and every PiRC-compliant token to leverage production-grade AI without compromising decentralization, security, or the Pi Network’s closed-loop economic model.
+
+## 2. Motivation
+
+- Pi Network’s human-centric mining and “Attention Verification” already contain rich behavioral and utility signals.
+- Current PiRC-207 Registry Layer provides the perfect sovereign identity and provenance layer for AI models and inference results.
+- Without a formal standard, AI integrations risk fragmentation, centralization, or economic leakage.
+- PiRC-208 closes this gap by creating a **modular, auditable, and economically aligned AI stack** that reinforces Economic Parity and the Justice Engine.
+
+## 3. Normative Specification
+
+### 3.1. AI Integration Architecture (3-Layer Model)
+
+The standard defines three interoperable layers that sit on top of the PiRC-207 Registry Layer:
+
+1. **Layer 1 – AI Oracle & Attention Layer**  
+   Decentralized oracle network that ingests on-chain attention data, KYC reputation scores, and utility proofs to produce verifiable AI attention scores.
+
+2. **Layer 2 – Decentralized Inference Engine**  
+   On-chain/off-chain hybrid inference using zero-knowledge proofs (zkML) and secure enclaves. Supports multiple AI model formats (ONNX, GGUF, TensorFlow Lite).
+
+3. **Layer 3 – AI Governance & Economic Alignment Layer**  
+   Smart-contract-enforced rules that tie AI inference results to the 7-Layer Colored Token System and Economic Parity invariants.
+
+### 3.2. Primary State Vector (Ω_AI)
+
+The AI state at any epoch *n* is defined as:
+
+$$ \Omega_{AI,n} = \{ A_n, V_n, I_n, \Psi_n \} $$
+
+Where:
+- $A_n$ = Aggregated Attention Vector (from PiRC-207 Registry)
+- $V_n$ = Verified AI Model Hash (stored in Registry Layer)
+- $I_n$ = Inference Output Score (0–1 normalized)
+- $\Psi_n$ = Provenance & Parity Invariant (links to PiRC-207 Mathematical Parity)
+
+### 3.3. Deterministic Transition Function
+
+$$ \Omega_{AI,n+1} = f(\Omega_{AI,n}, D_n, R_n) $$
+
+- $D_n$ = User/Device data batch
+- $R_n$ = Registry Layer read (Sovereign Sync)
+
+All transitions are enforced by an extended **Justice Engine** that applies quadratic penalties if AI outputs violate Economic Parity.
+
+## 4. Security & Trust Model
+
+- **Model Provenance**: Every AI model must be registered in the PiRC-207 Registry Layer with a cryptographic hash and version.
+- **zkML Proofs**: Mandatory zero-knowledge proofs for inference integrity.
+- **Anti-Collusion**: AI nodes must stake colored tokens (Layer 4–7) and are slashed via the Justice Engine for malicious behavior.
+- **Audit Requirement**: All implementations must pass Slither + Mythril + manual zkML audit before mainnet deployment.
+
+## 5. Economic Impact & Token Integration
+
+- AI services are paid in $REF or colored tokens via the 7-Layer system.
+- 30% of AI service fees flow automatically into the Economic Parity liquidity pool (PiRC-207 mechanism).
+- AI reputation scores become part of the **Proof-of-Utility (PoU)** weighting engine.
+
+## 6. Implementation Roadmap
+
+**Phase 1 (Q2 2026)**: Reference implementation of AI Oracle (Rust + Soroban) + Registry integration.  
+**Phase 2 (Q3 2026)**: zkML inference demo + Pi App SDK.  
+**Phase 3 (Q4 2026)**: Full mainnet activation with Governance vote.  
+**Phase 4 (2027)**: AI-native Pi Apps marketplace.
+
+**Reference Code Locations** (will be added to repo):
+- `/contracts/PiRC208AIOracle.sol`
+- `/backend/ai-oracle/`
+- `/simulations/ai-economic-model/`
+
+## 7. Conclusion
+
+PiRC-208 formalizes AI as a sovereign, parity-preserving layer of the Pi Network. It transforms Pi from a human-centric blockchain into the world’s first **AI-augmented sovereign economy** while strictly respecting the principles established in PiRC-101 and PiRC-207.
+
+**Status**: Draft → Ready for Community Review & Pi Core Team Approval  
+**Proposed By**: Ze0ro99/PiRC Contributors (April 2026)
+
+---
+**Reference Code Locations (PiRC-208):**
+- Solidity (EVM): [`contracts/PiRC208MLVerifier.sol`](../contracts/PiRC208MLVerifier.sol)
+- Soroban (Stellar): [`contracts/soroban/src/ai_oracle.rs`](../contracts/soroban/src/ai_oracle.rs)
+
+---
+**License**: PiOS License (same as repository)

docs/PiRC-214-Decentralized-Oracle-Network-Standard.md

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+# PiRC-214: Decentralized Oracle Network Standard
+
+## 1. Executive Summary
+
+This standard defines a decentralized oracle network for price feeds, external data, and cross-chain information, secured by PiRC-207 Registry Layer and Justice Engine.
+
+**Dependencies**: PiRC-207, PiRC-208  
+**Status**: Complete reference implementation
+
+## 2. Architecture
+
+- Multi-source data aggregation
+- zk-proof verification
+- Economic Parity check on every update
+- AI Oracle (PiRC-208) validation
+
+## 3. Reference Smart Contracts
+
+**Solidity**: `contracts/PiRC214Oracle.sol`  
+**Soroban**: `contracts/soroban/src/oracle.rs`
+
+## 4. Implementation Roadmap
+
+- Phase 1 (Q2 2026): Core oracle network
+- Phase 2 (Q3 2026): zk-proof integration
+- Phase 3 (Q4 2026): Full mainnet activation
+
+**Status**: Ready for Testnet deployment.