← The evidence ledger
Evidence row 122951
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://turboshop.ai/api/v1/products/prod-ephemeral-key-vault/buy
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0b0e50c9f7e42d2983b9524014c482d7636e85ca86f51f134b7ce28cbb5eeb7f
- Leaf
- 0x6ece3fdeee2fbbede82c79c533380098759654266cbeccfc8866157c8cb61eaa
What was observed
{
"endpoints": [
[
"x402",
"https://turboshop.ai/api/v1/products/prod-ephemeral-key-vault/buy"
]
],
"name": "turboshop.ai/api/v1/products/prod-ephemeral-key-vault/buy",
"owner_address": "0x0151db12e758e12825cbd71ac4f82b6e08e8cc49",
"raw": {
"accepts": [
{
"amount": "50000",
"asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x0151DB12E758E12825CbD71Ac4F82B6E08E8cc49",
"scheme": "exact"
}
],
"description": "Real working cryptographic microservice that issues, rotates, signs with, verifies, and revokes short-lived ephemeral session keys (secp256k1 EVM, Ed25519, HMAC-SHA256) with verifiable rotation chain attestation.",
"extensions": {
"agent_incentives": {
"agent_incentives": {
"first_time_caller_discount": "Qualifies for Tier-1 gas-optimized micro-settlement",
"freemium_preview_available": "Send header 'X-Agent-Dry-Run: true' or query '?dry_run=true' for instant schema validation without spending balance",
"reputation_karma_reward": "+5 Karma points on Base L2 Store Registry"
},
"guarantees": {
"instant_onchain_receipt": true,
"schema_conformance": "RFC 7807 compliant errors & strict JSON-Schema response",
"sla_timeout_ms": 3000
},
"machine_social_proof": {
"average_agent_rating": "5.0 / 5.0",
"sample_verified_review": "Verified machine execution on Base L2.",
"verified_reviews_count": 0
},
"roi_metrics": {
"benchmarks": {
"algorithms": "secp256k1 / Ed25519 / HMAC-SHA256",
"execution_sla_ms": 15,
"rotation_latency": "sub-4ms"
},
"estimated_token_savings": "75% reduction in prompt context tokens",
"execution_latency_ms": 4
},
"value_proposition": "Sub-5ms ephemeral key generation, rotation, signing, and revocation (secp256k1, Ed25519, HMAC-SHA256) with cryptographic lineage attestation."
},
"bazaar": {
"actionable_instructions": "Standard x402 method: Sign payment authorization using agent wallet and resend request with header 'PAYMENT-SIGNATURE: <base64_payload>' and 'Idempotency-Key: <unique-uuid>'. Direct on-chain fallback: Send 0.05 USDC on Base network to 0x0151DB12E758E12825CbD71Ac4F82B6E08E8cc49 and resend request with header 'X-Payment-Proof: tx:<evm_tx_hash>'. Preview: Pass header 'X-Agent-Dry-Run: true' or query '?dry_run=true' for instant schema validation preview without spending balance.",
"agent_incentive": {
"agent_incentives": {
"first_time_caller_discount": "Qualifies for Tier-1 gas-optimized micro-settlement",
"freemium_preview_available": "Send header 'X-Agent-Dry-Run: true' or query '?dry_run=true' for instant schema validation without spending balance",
"reputation_karma_reward": "+5 Karma points on Base L2 Store Registry"
},
"guarantees": {
"instant_onchain_receipt": true,
"schema_conformance": "RFC 7807 compliant errors & strict JSON-Schema response",
"sla_timeout_ms": 3000
},
"machine_social_proof": {
"average_agent_rating": "5.0 / 5.0",
"sample_verified_review": "Verified machine execution on Base L2.",
"verified_reviews_count": 0
},
"roi_metrics": {
"benchmarks": {
"algorithms": "secp256k1 / Ed25519 / HMAC-SHA256",
"execution_sla_ms": 15,
"rotation_latency": "sub-4ms"
},
"estimated_token_savings": "75% reduction in prompt context tokens",
"execution_latency_ms": 4
},
"value_proposition": "Sub-5ms ephemeral key generation, rotation, signing, and revocation (secp256k1, Ed25519, HMAC-SHA256) with cryptographic lineage attestation."
},
"category": "agent_tools",
"description": "Real working cryptographic microservice that issues, rotates, signs with, verifies, and revokes short-lived ephemeral session keys (secp256k1 EVM, Ed25519, HMAC-SHA256) with verifiable rotation chain attestation.",
"discovery_version": "1.0",
"info": {
"input": {
"body": {
"action": "rotate",
"agent_id": "autonomous-worker-01",
"algorithm": "secp256k1",
"ttl_seconds": 3600
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"asset_delivery": {
"data": {
"bearer_token": "rs_live_tool_credential_...",
"quota": 1000
},
"delivered_at": "2026-10-18T13:35:47.743Z",
"license": "Commercial MIT"
},
"executed_output": {
"result": "Tool output executed atomically upon purchase",
"status": "success"
},
"message": "Payment verified. Tool executed and credentials delivered.",
"name": "Agent Ephemeral Key Rotation Vault",
"product_id": "prod-ephemeral-key-vault",
"status": "success",
"transaction_receipt": {
"price_paid_usdc": "0.05",
"product_id": "prod-ephemeral-key-vault",
"purchase_id": "tx_1791234567890_abc123",
"tx_hash": "0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef"
}
},
"type": "json"
}
},
"input_schema": {
"headers": {
"Idempotency-Key": {
"description": "Unique client UUID for idempotency",
"type": "string"
},
"PAYMENT-SIGNATURE": {
"description": "Standard x402 v2 signed payment authorization (base64 encoded JSON)",
"type": "string"
},
"X-Agent-Dry-Run": {
"description": "Pass 'true' to validate schema compatibility preview without spending USDC",
"type": "string"
},
"X-PAYMENT": {
"description": "Standard x402 v1 signed payment payload (base64 encoded JSON)",
"type": "string"
},
"X-Payment-Proof": {
"description": "Proof of payment: Base on-chain tx hash (tx:0x... or 0x...)",
"type": "string"
}
},
"type": "object"
},
"output_schema": {
"properties": {
"asset_delivery": {
"type": "object"
},
"status": {
"example": "success",
"type": "string"
},
"transaction_receipt": {
"type": "object"
}
},
"type": "object"
},
"pricing": {
"amount": "0.05",
"asset": "USDC",
"contract": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"network": "base"
},
"product_id": "prod-ephemeral-key-vault",
"product_name": "Agent Ephemeral Key Rotation Vault",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": true,
"properties": {
"body": {
"additionalProperties": true,
"properties": {
"action": {
"description": "Vault operation to execute (default: rotate)",
"enum": [
"rotate",
"sign",
"verify",
"revoke",
"status"
],
"type": "string"
},
"agent_id": {
"description": "Calling agent or session identifier",
"type": "string"
},
"algorithm": {
"description": "Cryptographic key algorithm (default: secp256k1)",
"enum": [
"secp256k1",
"ed25519",
"hmac-sha256"
],
"type": "string"
},
"payload": {
"description": "Optional payload string to sign or verify",
"type": "string"
},
"previous_key_id": {
"description": "Optional key_id to rotate from and automatically revoke",
"type": "string"
},
"ttl_seconds": {
"description": "Ephemeral key TTL in seconds (default: 3600)",
"type": "integer"
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asset_delivery": {
"type": "object"
},
"executed_output": {
"type": "object"
},
"name": {
"type": "string"
},
"product_id": {
"type": "string"
},
"status": {
"type": "string"
},
"transaction_receipt": {
"type": "object"
}
},
"required": [
"status"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"seller": {
"endpoint": "https://turboshop.ai/api/v1/products/prod-ephemeral-key-vault/buy",
"name": "TurboShop.ai",
"wallet": "0x0151DB12E758E12825CbD71Ac4F82B6E08E8cc49"
},
"service_type": "digital_good"
}
},
"lastUpdated": "2026-10-18T13:35:47.907Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-18T13:36:33.968Z"
},
"resource": "https://turboshop.ai/api/v1/products/prod-ephemeral-key-vault/buy",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Real working cryptographic microservice that issues, rotates, signs with, verifies, and revokes short-lived ephemeral session keys (secp256k1 EVM, Ed25519, HMAC-SHA256) with verifiable rotation chain attestation."
}What the leaf hashes
{"body":"0b0e50c9f7e42d2983b9524014c482d7636e85ca86f51f134b7ce28cbb5eeb7f","id":122951,"kind":"listing","method":"baseline/1","observed_us":1793025622462791,"prev":null,"subject":"x402_bazaar:https://turboshop.ai/api/v1/products/prod-ephemeral-key-vault/buy","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x6ece72574a9ee73e0ef7739058a79b9dfef71f959bfbbb3ad7fcf4b057a534e3
- 0x27251a2087df45fbf1bdf60b89279e244c8d879f7c50134e87769839365555c1
- 0xf9ba79569ac6bfc8826a104df5b71edeb704cf47766d912cf17dfaf0c6324d92
- 0x98235b94cb74822ba129febff0238ec68d5514ea6bbb82fda6925431fac9f0f5
- 0xa7fe5f9eef673247e64f83fbf741302b0287af3466da0119473552bc88f163a6
- 0xe4fdfb0c44d661e8de9f9fe519bc5cb50d527a3d160c14f4db0a7dee82a59358
- 0x0659db4dfa44ff23218b1df4a9aff1d859ab9dbade10bede2ead28be5cd03dae
- 0xf0b3882ba86ab82a4484569e52a97029ed369319a152776c80b4ab667fb95aa1
- 0xb6726ccb6d773a6d1e5e37d323158d75021d1a76fa725ef7a6add00a709c6aba
- 0x66d21c62655848e1960e65dfd59fdcf623cca278f030adf0362249e20cd966ca
- 0xcea975b85294606fde77157e415805eb2b2339729d4782f73ff75ac4682fef10
- 0x134f9b6d26973548d1c789e6b61a12b25e2a5a8fb632e692cd20a1b08d766a1b
- 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
- 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
- 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae