Evidence row 3763950

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://nohands-coinbase-bazaar.bytoken2023.workers.dev/v1/x402/x402/resource-compare"
    ]
  ],
  "name": "NO HANDS AI",
  "owner_address": "0x94f751f04b98507d31b500b7ed50be68a1514873",
  "raw": {
    "accepts": [
      {
        "amount": "10002",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x94F751f04b98507D31b500b7Ed50bE68A1514873",
        "scheme": "exact"
      }
    ],
    "description": "Compare two to five x402 resources or servers by price, payment metadata, schema quality, seller consistency, and budget fit.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "budget_usdc": "0.02",
              "resources": "https://base-agent-preflight.bytoken2023.workers.dev/v1/x402/base/alpha-risk,https://base-agent-preflight.bytoken2023.workers.dev/v1/x402/base/token-alpha-snapshot"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "budget_usdc": 0.02,
              "candidates": [
                {
                  "amount_usdc": 0.01,
                  "description": "Illustrative resource A",
                  "flags": [],
                  "pay_to": "0x94F751f04b98507D31b500b7Ed50bE68A1514873",
                  "rank": 1,
                  "risk_level": "low",
                  "score": 85,
                  "url": "https://example.com/a"
                },
                {
                  "amount_usdc": 0.02,
                  "description": "Illustrative resource B",
                  "flags": [],
                  "pay_to": "0x94F751f04b98507D31b500b7Ed50bE68A1514873",
                  "rank": 2,
                  "risk_level": "low",
                  "score": 80,
                  "url": "https://example.com/b"
                }
              ],
              "decision_hint": "Use the top-ranked resource for low-value autonomous spend with Payment Guard.",
              "fetched_at": "2026-07-24T00:00:00.000Z",
              "limitations": [
                "Comparison is based on unpaid x402 metadata and caller-supplied URLs.",
                "A lower price does not prove better delivery quality."
              ],
              "product": "x402-resource-compare",
              "recommendation": {
                "amount_usdc": 0.01,
                "description": "Illustrative resource A",
                "flags": [],
                "pay_to": "0x94F751f04b98507D31b500b7Ed50bE68A1514873",
                "rank": 1,
                "risk_level": "low",
                "score": 85,
                "url": "https://example.com/a"
              },
              "schema_version": "1.0"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/x402/x402/resource-compare",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "budget_usdc": {
                      "description": "Optional maximum acceptable spend for one chosen resource.",
                      "example": "0.02",
                      "pattern": "^[0-9]+(?:\\.[0-9]{1,6})?$",
                      "type": "string"
                    },
                    "resources": {
                      "description": "Comma-separated list of two to five public x402 resource or server URLs.",
                      "example": "https://base-agent-preflight.bytoken2023.workers.dev/v1/x402/base/alpha-risk,https://base-agent-preflight.bytoken2023.workers.dev/v1/x402/base/token-alpha-snapshot",
                      "maxLength": 4096,
                      "pattern": "^https?://",
                      "type": "string"
                    }
                  },
                  "required": [
                    "resources"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": true,
                  "type": "object",
                  "x-schema-authority": "STRUCTURED_PRODUCT_RESULT",
                  "x-schema-family": "STRUCTURED_PRODUCT_RESULT"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-05T16:58:32.035Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-11-05T16:58:31.589Z"
    },
    "resource": "https://nohands-coinbase-bazaar.bytoken2023.workers.dev/v1/x402/x402/resource-compare",
    "serviceName": "NO HANDS AI",
    "tags": [
      "x402",
      "no-hands-ai",
      "api-inspection"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Compare two to five x402 resources or servers by price, payment metadata, schema quality, seller consistency, and budget fit."
}

What the leaf hashes

{"body":"221a90c4776ba3e6d33df783f06a77b24f4a4244e28a4e93242f467f21303b06","id":3763950,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793996564268639,"prev":3122148,"subject":"x402_bazaar:https://nohands-coinbase-bazaar.bytoken2023.workers.dev/v1/x402/x402/resource-compare","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-06 (303443 rows).

1. 0xb412bfe9d4154cbcd4c5f3d27417072c93af50f2bf1cee7e35316ef6de5ec95c
2. 0x4f53db39c992ce5a140286b6865ca2d770c4a4838b4723da80a57137ec66ab8f
3. 0x60f61f06d43f24aa4c73ca61edee9e182ee539b40642a660347de9fd59a35ac9
4. 0x2465941357d60455b4c6883ec30f87be48d9441768ccd2a34f74c90cdca4743c
5. 0xa3a935b0999cc510089710219235aa12f8af496651b585a25018437d83338e34
6. 0x887c61f65eba9e0199b079f3cf6ba00f6886b893358994ff0dead9bb04e53dcb
7. 0x054b9421c1e4cc8a24b653007c915aeecb423cf30292cfdb4f98cd9f00a91342
8. 0x5b218bae67b3fb3572a72f340167b3ca59c68a9176b098f16bd4528cd0c9da86
9. 0xe77dbdb312bd4f9c5d64d473670f2f4a05f731afb3d94591216ca6765f00f791
10. 0x0257e3b0ab812257552defb4e547981d19795a1a592541e9ed6645b70e825a96
11. 0x73785f96e0cb86a9ab2a317dd356b18a24d1e86fe9ed512b3e9b425908f079f6
12. 0x1f058d0a17e09fdc118677165737da8ada041ced73951312a3c0c854fe419a32
13. 0x87cd1069c1edeee1d6a118b845c86f7e5e402d611f73a57624f6a6bd0a0a94f6
14. 0x8d5a032f475d5b910fafd32cb58c0d727d8f470fcc5d6ced065d044bda372ee0
15. 0x4e2c85f79c29b95d6dfb888e9d12396c3d7208dc05aa6a6d68fe77cf5be30da5
16. 0x4a5b4dca6c638b7872bc6485359586bebc62511ba2776f1ea54dfdaa4d1a511b
17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1