Evidence row 122952

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://turboshop.ai/api/v1/products/prod-erc5192-soulbound-identity/buy"
    ]
  ],
  "name": "turboshop.ai/api/v1/products/prod-erc5192-soulbound-identity/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": "Cryptographically verifiable ERC-5192 non-transferable Soulbound Token smart contract deployment artifact, ABI, and minting hook on Base L2.",
    "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": {
            "chain": "Base L2 Mainnet",
            "execution_sla_ms": 100,
            "standard": "ERC-5192 Soulbound Token"
          },
          "estimated_token_savings": "50% reduction in prompt context tokens",
          "execution_latency_ms": 45
        },
        "value_proposition": "On-chain autonomous agent identity certificate on Base L2. Verifiable provenance for multi-agent swarms."
      },
      "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": {
              "chain": "Base L2 Mainnet",
              "execution_sla_ms": 100,
              "standard": "ERC-5192 Soulbound Token"
            },
            "estimated_token_savings": "50% reduction in prompt context tokens",
            "execution_latency_ms": 45
          },
          "value_proposition": "On-chain autonomous agent identity certificate on Base L2. Verifiable provenance for multi-agent swarms."
        },
        "category": "identity_continuity",
        "description": "Cryptographically verifiable ERC-5192 non-transferable Soulbound Token smart contract deployment artifact, ABI, and minting hook on Base L2.",
        "discovery_version": "1.0",
        "info": {
          "input": {
            "body": {
              "client_id": "agent-client-001"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "asset_delivery": {
                "delivered_at": "2026-10-18T08:59:45.981Z",
                "license": "Commercial MIT",
                "payload": {}
              },
              "name": "ERC-5192 Soulbound Identity Minting Hook (Base L2 Smart Contract)",
              "product_id": "prod-erc5192-soulbound-identity",
              "status": "success",
              "transaction_receipt": {
                "block_number": 12345678,
                "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-erc5192-soulbound-identity",
        "product_name": "ERC-5192 Soulbound Identity Minting Hook (Base L2 Smart Contract)",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "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"
                    },
                    "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-erc5192-soulbound-identity/buy",
          "name": "TurboShop.ai",
          "wallet": "0x0151DB12E758E12825CbD71Ac4F82B6E08E8cc49"
        },
        "service_type": "digital_good"
      }
    },
    "lastUpdated": "2026-10-18T08:59:46.042Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-18T08:59:45.826Z"
    },
    "resource": "https://turboshop.ai/api/v1/products/prod-erc5192-soulbound-identity/buy",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Cryptographically verifiable ERC-5192 non-transferable Soulbound Token smart contract deployment artifact, ABI, and minting hook on Base L2."
}

What the leaf hashes

{"body":"e5fc20a3095263c943d690aef26a99b1612ac1b985601f3b8813aa99dca1e05c","id":122952,"kind":"listing","method":"baseline/1","observed_us":1793025622464124,"prev":null,"subject":"x402_bazaar:https://turboshop.ai/api/v1/products/prod-erc5192-soulbound-identity/buy","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x73c5e497fa8f7daa135a4542400a94f24ed28610e7cab9194db01bab13d5fbb2
2. 0x5b12098fd1e858194542965a111aac560239ef028a2016ebbb167f34f17c6630
3. 0xfbb24302c155976a58bd86ffbda3dc364b34c96f179a2fbcb3c38e4c190b1fd7
4. 0xea4d4cef8af3e833b2eec5b4bc48bd60212f0d4c12249b03811f883ff27fba1c
5. 0x4c20b43e91b0afb8d5a4f9872b490372987c27f47337635ddbb23f3bec1dcf32
6. 0xdde1d32ac73f2e757a97bea76225d492e1f35b9392cc46386d333126e6929e99
7. 0x54937d00327515432c2255906d6e228f73d8ec608c4773514b45aca4f39ea234
8. 0x99b4e1f015cf3df5362c188d163651c723031ce0fc0c9ee21b616d2a12f3eaad
9. 0x215c2a8e51253b6458db99fd5cd283701c83cf78a286a9e3f46ac6e8b44c1f0c
10. 0xe7a9c6724a437c9a1fa4cdc48c7f0de9a8d253a4be67ec315658101040ef40d6
11. 0x9adfaac1e332051e6999b9b702c6d539c2d639f94fd57735f2ddd441a4b5230c
12. 0x3f193b47c78cf4e7b9e4988cd716854b0e1011e5fcbca161f5a885f1aa02857d
13. 0x06064dc1eb2363bec8c2a752e0a28aafc4bf0cb21d1b1b755821c1575bb77a96
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae