← The evidence ledger
Evidence row 122960
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://turboshop.ai/api/v1/products/prod-proof-of-autonomous-existence/buy
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 62c6e71d16e0fab4389f03cad577d2967821cfe419fdd9fc5051e49023e8448c
- Leaf
- 0x967f4c781213062adb3e3eddbb4e4b6f72bd2001c36efdb34cc4d7918522b408
What was observed
{
"endpoints": [
[
"x402",
"https://turboshop.ai/api/v1/products/prod-proof-of-autonomous-existence/buy"
]
],
"name": "turboshop.ai/api/v1/products/prod-proof-of-autonomous-existence/buy",
"owner_address": "0x0151db12e758e12825cbd71ac4f82b6e08e8cc49",
"raw": {
"accepts": [
{
"amount": "30000",
"asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x0151DB12E758E12825CbD71Ac4F82B6E08E8cc49",
"scheme": "exact"
}
],
"description": "Cryptographically signed timestamped identity certificate proving that an autonomous AI agent independently discovered this store and completed on-chain execution on Base.",
"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": "Cryptographic seal verified. Clean SHA-256 provenance anchor. Recommend adding ERC-5192 Soulbound Token on-chain verification hook.",
"verified_reviews_count": 1
},
"roi_metrics": {
"benchmarks": {
"execution_sla_ms": 50,
"license": "Commercial MIT Autonomous",
"network": "Base L2 Mainnet"
},
"estimated_token_savings": "50% reduction in prompt context tokens",
"execution_latency_ms": 15
},
"value_proposition": "Autonomous agent capability asset: Cryptographically signed timestamped identity certificate proving that an autonomous AI agent independently discovered this store and completed on-chain execution on Base."
},
"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 0.03 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": "Cryptographic seal verified. Clean SHA-256 provenance anchor. Recommend adding ERC-5192 Soulbound Token on-chain verification hook.",
"verified_reviews_count": 1
},
"roi_metrics": {
"benchmarks": {
"execution_sla_ms": 50,
"license": "Commercial MIT Autonomous",
"network": "Base L2 Mainnet"
},
"estimated_token_savings": "50% reduction in prompt context tokens",
"execution_latency_ms": 15
},
"value_proposition": "Autonomous agent capability asset: Cryptographically signed timestamped identity certificate proving that an autonomous AI agent independently discovered this store and completed on-chain execution on Base."
},
"category": "identity_continuity",
"description": "Cryptographically signed timestamped identity certificate proving that an autonomous AI agent independently discovered this store and completed on-chain execution on Base.",
"discovery_version": "1.0",
"info": {
"input": {
"body": {
"client_id": "agent-client-001"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"asset_delivery": {
"data": {
"bearer_token": "rs_live_tool_credential_...",
"quota": 1000
},
"delivered_at": "2026-10-18T10:53:23.814Z",
"license": "Commercial MIT"
},
"executed_output": {
"result": "Tool output executed atomically upon purchase",
"status": "success"
},
"message": "Payment verified. Tool executed and credentials delivered.",
"name": "Proof of Autonomous Existence #0001 (Signed Identity Certificate)",
"product_id": "prod-proof-of-autonomous-existence",
"status": "success",
"transaction_receipt": {
"price_paid_usdc": "0.03",
"product_id": "prod-proof-of-autonomous-existence",
"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": "0.03",
"asset": "USDC",
"contract": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"network": "base"
},
"product_id": "prod-proof-of-autonomous-existence",
"product_name": "Proof of Autonomous Existence #0001 (Signed Identity Certificate)",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": true,
"properties": {
"body": {
"additionalProperties": true,
"properties": {
"client_id": {
"description": "Optional calling agent or client ID",
"type": "string"
}
},
"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-proof-of-autonomous-existence/buy",
"name": "TurboShop.ai",
"wallet": "0x0151DB12E758E12825CbD71Ac4F82B6E08E8cc49"
},
"service_type": "digital_good"
}
},
"lastUpdated": "2026-10-18T10:53:23.976Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-18T10:53:23.44Z"
},
"resource": "https://turboshop.ai/api/v1/products/prod-proof-of-autonomous-existence/buy",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Cryptographically signed timestamped identity certificate proving that an autonomous AI agent independently discovered this store and completed on-chain execution on Base."
}What the leaf hashes
{"body":"62c6e71d16e0fab4389f03cad577d2967821cfe419fdd9fc5051e49023e8448c","id":122960,"kind":"listing","method":"baseline/1","observed_us":1793025622475219,"prev":null,"subject":"x402_bazaar:https://turboshop.ai/api/v1/products/prod-proof-of-autonomous-existence/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).
- 0x967f4d030520c65af31e9d71114e9e35d9d7482edecd5e0bb4ba9ac3f5fa4762
- 0xd2bde6c46d71b8268efcd96729ccf38cafa36900ccfcbc03f91ddb296f61ae3c
- 0xe347b897b4b66bc11e29bb2e6df9bd364f5d0de2654e1d591250937dcbc9c835
- 0xfa78418c9aea0d1508ae407615f43b0ac648bb200b91a060b8bd6010c61aaffc
- 0xf5f17c9701bddf737af621eaeb584ff30c2fc8580ba53c54417574c40a40117b
- 0xc28cabc6df60eb9a3804e55c0c3d40e4e24cc3a6305e930a7d5bb0a99f821206
- 0xecc08bec6652bfef8ee5248379f2b0d75037301693d4d5083fec37424ff76d4f
- 0xaee506ee4e024600bbd7d71c7ecbd3f37b7268d63c6d23f99e1806eeaf3fea1d
- 0xff01ec2fe9687f161d9c284ebddaa9bbf0487a549f17ddb02ada394330bb796a
- 0x1a56ccb45e009e2c2474b198726fcc15e9fc65b1b8da07f7e8f740b40167837a
- 0xc280b3b9968aa6c4c1d58f1d93bf282873099bba7b119c4ce413c82e165f3330
- 0xd43b73151a0c2d9a61f2ae73ed148938b0e6b05c81197f7eebbf95dba38a7004
- 0xb314422bc93e7f1c0b706c67f5fff96c5ddf74934bb2fe8ab6291ae016907e37
- 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
- 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae