{"system":"GENESIS*","exists":true,"service":"proof_attest","summary":"GENESIS* PROOF ATTEST — hash and sign evidence","description":"Creates a SHA-256 evidence fingerprint and HMAC-SHA256 GENESIS* signature when GENESIS_SIGNING_KEY is configured.","execution":{"method":"POST","endpoint":"https://genesis.palsus2023.workers.dev/v1/proof_attest","paymentRequired":true,"free":false,"price":"$0.005","protocol":"x402","network":"eip155:8453","currency":"USDC"},"discovery":{"service":"https://genesis.palsus2023.workers.dev/v1/proof_attest","catalog":"https://genesis.palsus2023.workers.dev/catalog","services":"https://genesis.palsus2023.workers.dev/services","openapi":"https://genesis.palsus2023.workers.dev/openapi.json","x402":"https://genesis.palsus2023.workers.dev/.well-known/x402","health":"https://genesis.palsus2023.workers.dev/health"},"instructions":"GET returns free service metadata. POST executes the service and requires x402 payment."}