Evidence row 1261424

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": "2026-10-30T18:35:06.089Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-30T12:49:37.6Z"
    },
    "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":"76e20ccbcd17d0c7c19a53ddd5edb39192e5820e7f81b1407a5089ba3303b893","id":1261424,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385511201789,"prev":null,"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 2026-10-30 (243099 rows).

1. 0x0fb9cc2838f4ddbc27e3825891099bb44b717186abefb5ebaf60ec97a201f47c
2. 0x5e5b15c56fbe4e58beebdf401e47d088dfdb01576a08169fe0191627137a31a5
3. 0x79e6f24959982cd5dd0f255851da0fb6c04121c968e36e0e645cc04f42b723ca
4. 0x48c3008e42470a6a8c3e9d18ad988616689cf56652e37d862c05031f6b28bdcb
5. 0x14907bb22e5e7ef1d85d688849e59d4111a61e5cbf246dd852f44229a90f40b5
6. 0x4a94788598219670c44e6311b88e859975e7a183b74552883e63ead0c23bf635
7. 0x40da24b2adaa75746c88d918605b6fefcae8ca808a06d175bddbc5e69a719e51
8. 0x3a50bea752e776d168b44a09714c60fc54c2ad258432e289649a4dddb1aafc48
9. 0xa8fefbb932855b9d93b5c7ad5bf9b6dcff27900ac15a1965c03588742081e72e
10. 0x4cdbc8c19a60701483b90eab10a4e723dd1b390029a9306e66bec7264a5f5078
11. 0x31a802d50277823b0b9940263f6a2831ffa10cc933099905369a6ff848e00fd9
12. 0x175c2db0a2f6a67c890abc2555d8f9f54149fe47cfe40563945491ecd7ed4097
13. 0x02b6f5aae7adfec888ccff919c6542cbe38945db1e9f845ec025a65f73f99ee2
14. 0xdf5b016e08f93664d06694a7722324dcb27caedd549f286f07d4b4798e0c706e
15. 0x2b7a05865245feaf40ea40b73e02d86357af2dcbac9c7b992f1420f5eaa15246
16. 0xe2a9872e1b6a01c55a7a8cc5c05c61f3933255db5c26b9c79be4011d28685b52
17. 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861