Evidence row 1261984

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://freetier-agent-api.pages.dev/api/mcp-servers"
    ]
  ],
  "name": "Agent Extraction API",
  "owner_address": "0x165eb3dc3e98403ecb1141e90400f5e71806554b",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x165Eb3dC3E98403ecB1141e90400F5e71806554B",
        "scheme": "exact"
      }
    ],
    "description": "Search 4,259 MCP (Model Context Protocol) servers by keyword, category, language (python/typescript/go/rust...), scope (cloud/local) and official flag. Returns repo URL and description.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "language": "python",
              "limit": "10",
              "q": "postgres"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "categories": 58,
              "count": 30,
              "results": [
                {
                  "category": "Cloud Platforms",
                  "description": "Compare compute, storage, managed Postgres, egress and GPU prices across AWS, Azure, GCP and OCI, plus FinOps tools for break-even, TCO and migration analysis.",
                  "languages": [
                    "python"
                  ],
                  "name": "Albaker-Group/cloudprice-mcp",
                  "official": false,
                  "os": [
                    "linux",
                    "macos"
                  ],
                  "scope": [
                    "cloud"
                  ],
                  "url": "https://github.com/Albaker-Group/cloudprice-mcp"
                },
                {
                  "category": "Databases",
                  "description": "Natural-language questions over Postgres, Oracle, Snowflake, Databricks, DuckDB and SQLite; generated SQL is validated deterministically before running.",
                  "languages": [
                    "python"
                  ],
                  "name": "agenticfabriq/mnemiq",
                  "official": false,
                  "os": [
                    "linux",
                    "macos"
                  ],
                  "scope": [
                    "local"
                  ],
                  "url": "https://github.com/agenticfabriq/mnemiq"
                }
              ],
              "returned": 10,
              "sources": [
                {
                  "license": "MIT",
                  "name": "punkpeye/awesome-mcp-servers",
                  "snapshot": "2026-10-17",
                  "url": "https://github.com/punkpeye/awesome-mcp-servers"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "category": {
                      "type": "string"
                    },
                    "language": {
                      "type": "string"
                    },
                    "limit": {
                      "type": "string"
                    },
                    "official": {
                      "enum": [
                        "yes"
                      ],
                      "type": "string"
                    },
                    "q": {
                      "type": "string"
                    },
                    "scope": {
                      "enum": [
                        "cloud",
                        "local",
                        "embedded"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "categories": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "count": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "results": {
                      "items": {
                        "type": [
                          "object",
                          "null"
                        ]
                      },
                      "type": "array"
                    },
                    "returned": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "sources": {
                      "items": {
                        "type": [
                          "object",
                          "null"
                        ]
                      },
                      "type": "array"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793252197/bazaar-icons/19906174df41ffa4.png",
    "lastUpdated": "2026-10-30T07:49:37.018Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-30T07:49:36.426Z"
    },
    "resource": "https://freetier-agent-api.pages.dev/api/mcp-servers",
    "serviceName": "Agent Extraction API",
    "tags": [
      "directory",
      "mcp",
      "model-context-protocol"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search 4,259 MCP (Model Context Protocol) servers by keyword, category, language (python/typescript/go/rust...), scope (cloud/local) and official flag. Returns repo URL and description."
}

What the leaf hashes

{"body":"fea758e67491d3e54931a0e49c7c793c010bed4e4abd44ae18204ae6584f962e","id":1261984,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385518425786,"prev":1038847,"subject":"x402_bazaar:https://freetier-agent-api.pages.dev/api/mcp-servers","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x4c18c7c183800261a4b0547da41ac27edca31b69ff768f92c9fe5a0822d6d241
2. 0x1e7e18b58d9b7e757e6bfa9536d3d942572f125c91440a3caceee07c92fa2889
3. 0x4b67cc70cfc21822c0267edc7d00209a87a0a0a5bb23afd90c04020fa3287db2
4. 0x1d3ea473b80333e8bdc6cfccefaa6113d09b987533600be4064fb76b023ab100
5. 0xe1e995ed253714ad77ab112ccffd0f235cbe75a2a0c0e757dbb31399f6e221eb
6. 0x77963fa4bc48a6420d7661352aef14fe955bafc701f0fff3072c81eae7e9a14d
7. 0x6cc9e3968a34c32ca44194786f54da99b6ca1869cb8db3b8d78f77b2c1cf20b1
8. 0x7ae91edbd65365f1d650246e4cd72e56e1c1ef1726cfce1ec0ee15fb6caffe4b
9. 0x4f17dd7c99680bb1252bc31bc58eed959eb54b3be2b2c644f57b3922112b5feb
10. 0x7b48841a5443bb164c317a7e794f6f7e475f8aa8d4f07bee7a5a479e7e0e688b
11. 0x0de9b02a84a14ebd6172f6f2393596aab3218cc576d287b66eca97a7db40b2c6
12. 0xc1a9925f6a2afcf3cdaff51f8c62b7a434f58a65a6415c4fa6b12605d2f3d816
13. 0xec056ea330536f437d7c8a8262b1a5055dd234070d691d0d303dd85828fa5a4e
14. 0x9ace81ddbf101c81e3033efcaf62a4f4ad2b7dc0b97b61a7adf81117108ff2f7
15. 0xa937fac4496d1d79e24c5f12abd33388ef710185b9d82165d4b39af6bd434545
16. 0x910a91495535ac1a9e959d27d607e185616d2d41b45bc7071c6357f426f372d8
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861