Evidence row 1790691

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": "2026-11-01T07:03:06.852Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-11-01T07:03:06.685Z"
    },
    "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":"dee2842fec99d931332165f87b853b228bee7e17a9fa14d4e373ab8ae827b04f","id":1790691,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559936843547,"prev":1508202,"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 2026-11-01 (302406 rows).

1. 0x6ca67cfa3e20435a231dcb7fca290ce5de182ecb352d06d9413c3b874b2eaa51
2. 0x348f8edce0fb7bd9ffc43567a572d0e1dfb67e277c13c450edf9733b5e2e276b
3. 0x037fa432ab78111bf1b33db9872b3326165b100e118534595e798766d93f14ef
4. 0x7cf1856d5eadfc6d04a9c80b7c2c87b71ae5d30aa5af4200828a3ee4f934c5de
5. 0x9aacb3b50b9fb37d0d617782beb99623a2cc1a87ca9a2b1401d7ce3c3fca07c9
6. 0x064d206d9adb65ba58b479246729440f23729901f5268d201d32e4a9ba4e222b
7. 0x65a291b42ef7d1706eb88ba9fed41d6c2ee3d57380117e950b7ec82c55a22ea8
8. 0xeb6ef348b9abe250108fd1dcbf327908d994ec63133b47ff4ec60931339cdee1
9. 0x64d619ec5540ac302ce2b481839a26c93e61156bcc4e9d06269feee9c9f74a53
10. 0xb028904a61d0e9a21b0af2d6fcfc845590953625397ca15a918b37752346a6d0
11. 0xa3037a68a0396b8451c7f6975a9b190cc0e6fde79ad1ae174d715254bc6ddb69
12. 0x43057d795266252e61ade4f56b796d022d09002c9399f2392cbf30e568985e6d
13. 0xa13438f39c1dfc140d96305eabe916e6460ab6d540c44fdae98e5b23acc906db
14. 0x6e52ec74954b02fa6342c949413ce6ced87071b172b1bcf0f6191252f67257fa
15. 0x7c66173839ef153f08dfd346f7ea956e9226e1b7ff05bf4c6cf27436953f336b
16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90