Evidence row 257511

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agents.crowdspark.me/v1/x402/audit"
    ]
  ],
  "name": "Agent Tools",
  "owner_address": "0x0dea0030a17bf886543a757c55924710258c2eec",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x0dEA0030A17BF886543a757c55924710258c2eec",
        "scheme": "exact"
      }
    ],
    "description": "Will my paid API get listed? Audits any x402 endpoint URL: runs the readiness check, flags the 500 character description limit, then checks the Coinbase Bazaar listing, OpenAPI x-payment-info, 402 Index entry, favicon, llms.txt and /.well-known/x402. Returns a 0-100 score, verdict and an ordered fix list. Never sends a payment.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "url": "https://agents.crowdspark.me/v1/fx/rates"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "fix_count": 1,
              "fixes": [
                {
                  "code": "not_in_bazaar",
                  "fix": "Make one paid call through the Coinbase facilitator...",
                  "severity": "warn"
                }
              ],
              "listing": {
                "coinbase_bazaar": {
                  "listed": false
                },
                "openapi": {
                  "found": true,
                  "path_documented": true
                },
                "score": 35
              },
              "readiness": {
                "description_length": 180,
                "price_usd": 0.001,
                "score": 100,
                "verdict": "ready"
              },
              "score": 82,
              "url": "https://api.example.com/v1/data",
              "verdict": "ready_but_hard_to_find"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "method": {
                      "description": "Optional",
                      "enum": [
                        "GET",
                        "POST"
                      ],
                      "type": "string"
                    },
                    "url": {
                      "description": "Public http(s) URL of your paid x402 endpoint",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T15:42:27.553Z",
    "quality": {
      "lastCalledAt": "2026-10-26T15:42:27.553Z"
    },
    "resource": "https://agents.crowdspark.me/v1/x402/audit",
    "serviceName": "Agent Tools",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Will my paid API get listed? Audits any x402 endpoint URL: runs the readiness check, flags the 500 character description limit, then checks the Coinbase Bazaar listing, OpenAPI x-payment-info, 402 Index entry, favicon, llms.txt and /.well-known/x402. Returns a 0-100 score, verdict and an ordered fix list. Never sends a payment."
}

What the leaf hashes

{"body":"e6dc69f9c20a0e566fdfaa6a485651046071eb6ef983d2ded949c2e50ea1d059","id":257511,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793029766344013,"prev":null,"subject":"x402_bazaar:https://agents.crowdspark.me/v1/x402/audit","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. 0xf8b8433eb2fb7a1eb0353a4f23c9d2809dd0291f21b515ae8b87c6c36044ecc8
2. 0x6a4540e1478d8cd3a11763a66608bae14a2dff93a16dbd87f3d60836c4d79059
3. 0x764cee8e1b46bc55e939919ef3d794f660d49b1c522fc539ec5ac04bbaf0a933
4. 0x754e40f79762caa88f47c744997c90c29c1b8eb5e8b8986f483a281373c5d740
5. 0xf7e5cf41f922692c6168370f9108cd3f75619afc7b4d484e4b3f962735e8b302
6. 0xf97d77cf2291a98cf8a0f8315f219f7da936a8984fc822b353686d2f8e82a824
7. 0x69dab9832b562960c301057560389e6148b9566cf8e1ffdd1cc2673661149b51
8. 0x812d89d634fb6a2b5049ba7ad2ffe9707343c39ac1726beeb10175fdee221b4f
9. 0xf66628a0d3140c444dce5159611601d48ff0b1f54e3cf2b722d1b1f0d78fbecc
10. 0xedbb756c6884e1e4b4d8aa27e3c5a9118300a1c763d183c08ab09c58ee11482f
11. 0xe3be477672f672ad65922159dceef6444408759f2808a7a1e1ba87146cf5eee0
12. 0xf7eba200f6f1012d700fcc53fc6d57dcafd1019c920b1030d42fa21d4af95d94
13. 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae