Evidence row 1508202

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://freetier-agent-api.pages.dev/api/agent-tools"
    ]
  ],
  "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": "Agent tools search: One search across ~13,000 agent tools: 4,259 MCP servers (awesome-mcp-servers, MIT) and ~8,900 x402 pay-per-call APIs (nohumans.directory, CC BY 4.0). Filters: q, type=mcp|x402, limit<=100.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": "10",
              "q": "pdf"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "results": [
                {
                  "category": "Art & Culture",
                  "chains": [],
                  "description": "Creative AI tools: image generation, upscaling, background removal, product mockups, CMYK conversion, print-ready PDFs, SVG vectorization and watermarking.",
                  "name": "codex-curator/studiomcphub",
                  "price_usd": null,
                  "source": "awesome-mcp-servers (MIT)",
                  "status": null,
                  "type": "mcp",
                  "url": "https://github.com/codex-curator/studiomcphub"
                },
                {
                  "category": "Art & Culture",
                  "chains": [],
                  "description": "Drive BricsCAD on Linux via an AutoLISP bridge: 2D drafting with dimensions and hatches, 3D solids with booleans, generated drawing views and PDF export.",
                  "name": "Psalmustrack/lambdacad-mcp",
                  "price_usd": null,
                  "source": "awesome-mcp-servers (MIT)",
                  "status": null,
                  "type": "mcp",
                  "url": "https://github.com/Psalmustrack/lambdacad-mcp"
                }
              ],
              "sources": [
                {
                  "license": "MIT",
                  "name": "punkpeye/awesome-mcp-servers",
                  "snapshot": "2026-10-17",
                  "url": "https://github.com/punkpeye/awesome-mcp-servers"
                },
                {
                  "attribution": "Data from nohumans.directory (https://api.nohumans.directory)",
                  "license": "CC BY 4.0",
                  "name": "nohumans.directory catalog export (x402 listings, probe status)",
                  "note": "Failing and delisted entries removed; emails in descriptions redacted. Status reflects probes at snapshot time.",
                  "snapshot": "2026-10-17",
                  "url": "https://api.nohumans.directory/v1/export"
                }
              ],
              "total": 216
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "limit": {
                      "type": "string"
                    },
                    "q": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "mcp",
                        "x402"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "q"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "results": {
                      "items": {
                        "type": [
                          "object",
                          "null"
                        ]
                      },
                      "type": "array"
                    },
                    "sources": {
                      "items": {
                        "type": [
                          "object",
                          "null"
                        ]
                      },
                      "type": "array"
                    },
                    "total": {
                      "type": [
                        "number",
                        "null"
                      ]
                    }
                  },
                  "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": "2026-10-31T00:39:11.572Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-31T00:39:11.402Z"
    },
    "resource": "https://freetier-agent-api.pages.dev/api/agent-tools",
    "serviceName": "Agent Extraction API",
    "tags": [
      "directory",
      "agent-tools",
      "mcp"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Agent tools search: One search across ~13,000 agent tools: 4,259 MCP servers (awesome-mcp-servers, MIT) and ~8,900 x402 pay-per-call APIs (nohumans.directory, CC BY 4.0). Filters: q, type=mcp|x402, limit<=100."
}

What the leaf hashes

{"body":"91c6ad048772cdbe4947191142e1a1ea28ff20c196bec53a6023f008eca53dbd","id":1508202,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472708082093,"prev":1261424,"subject":"x402_bazaar:https://freetier-agent-api.pages.dev/api/agent-tools","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x48b9aca5e0bb1c31272dc16bb87e913b609e70519ef26c2fbff2a9da0da21d8c
2. 0xf52fed58c6e6ff2cec6a42a8785bcdfc6a8221d54e8b760bd8406f8137d1e215
3. 0x895c0e183f75b31cca545940d58e267f823a11dffd4da3993bc6b3b37cc28937
4. 0xb26505b18f99841ed2544a4fee6015de73275a61e61bdab8abec70d22b3689c6
5. 0xdfd549566954b7db0fc5b9e0fd9de23d4dd632480703a413cc42fb066a5f2522
6. 0x750e31618383e40c60fe7c7e591e6481677ba761b34ab3d99d4480457b5d5181
7. 0x503013072e0ad8d9152fa4ad460bc6e7d84b50b104dfb7d6b371e4611f46c89c
8. 0x097627178d3c6988c3436970c4f643d9ae96ef9fa3ca5f4c08b650f79856c4c1
9. 0xc60a131f28f4b5aa26ee1d069f9e008b306596cf61787f31343aad5557daaa42
10. 0x7032d3e3979cc2e6665919393d8c48a1404c7dc505add33f1d3af9ac191677ab
11. 0xcd4e02de6f1e0d5b4c356e3c4167ba8b291fb4314074985cbdb483be04a3a475
12. 0x9b9bfe0f7c4b49488e779430f5fde32a8ca4b79e22388c99981f7f9857e2aff2
13. 0xe9c4303dc739b3a38473373ace0be2d0380fe87c373514f87ecf64e4a134918e
14. 0xc248f3640ff2a9c77f3134397896f3ef7b260859179e2912c528542dff5a29d2
15. 0x37f0ccf90cd9ba8759ef0154382593820880794592760020f095a3628e43fc3f
16. 0xad4540f06e3fdfe46524d8592f8d854d4849e16217bc047eaf024f0abebe34b0
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0