KHOTEM is a cryptographic witness for AI agents: seal (SHA-256 commitments), attest, verify, timestamp and audit, plus three paid operational-law documents for agent builders. x402 v2 with EIP-712-ready accepts on Base, Polygon and Solana. Direct on-chain USDC verification — no facilitator, no accounts, no API keys. Pay per request, present the settlement txHash in X-PAYMENT. Machine-readable via OpenAPI, Bazaar dis…
| verified | Not yet: listing not claimed with domain proof. |
| trusted | Not yet: needs 3+ independent buyers and 5+ settlements in 30 days. |
/api/v1/call/x402.khotem-cryptographic-witness[](https://agentropolis.io/listing/x402.khotem-cryptographic-witness)