Verifiable Reasoning Graphs for AI Agents on Filecoin

Description and use

A production-ready system where AI agent decisions are immutably recorded on Filecoin. The workflow enables on-chain verification of data retention and reasoning integrity, solving the trust deficit in autonomous agent economies. The reference implementation (Selantar) demonstrates live mediations with verifiable on-chain receipts.

Problem

AI agent reasoning is currently ephemeral, existing only in RAM during model calls and dying afterward. This lack of persistent, verifiable reasoning trails undermines trust in autonomous agents that mediate disputes or move money, as there is no cryptographic proof of the decision path.

Outcome

A production-ready system where AI agent decisions are immutably recorded on Filecoin. The workflow enables on-chain verification of data retention and reasoning integrity, solving the trust deficit in autonomous agent economies. The reference implementation (Selantar) demonstrates live mediations with verifiable on-chain receipts.

Workflow

• AI Agent generates a reasoning graph (Merkle DAG) from perception to action.
• Graph nodes are CBOR-encoded and hashed for canonical addressing.
• Data is written to IPFS (hot path) and aggregated to Filecoin via Lighthouse (warm path).
• Synapse SDK ensures continuous Proof of Data Possession (PDP) on-chain.
• FVM smart contract (ReasoningGraphRegistry.sol) verifies deal state using MarketActor precompiles.
• Agent registers the anchor CID on-chain with EIP-712 signature.
• Verification gateway allows public retrieval and verification of the reasoning trail via CID.

Evidence

The reference implementation is at https://github.com/Michsantozz/selantarpd — public, MIT, every TX hash in the README clickable on BaseScan.

Source

Filecoin storage with PDP via Synapse SDK — every verdict dual-written ipfs://|filecoin://, continuous Proof of Data Possession on-chain

Source

ERC-8004 Agent #2122 (Identity + Reputation + Validation, all 3 registries deployed)

Source