Evidence row 1038846

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://freetier-agent-api.pages.dev/api/x402-services"
    ]
  ],
  "name": "Agent Extraction API",
  "owner_address": "0x165eb3dc3e98403ecb1141e90400f5e71806554b",
  "raw": {
    "accepts": [
      {
        "amount": "2500",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x165Eb3dC3E98403ecB1141e90400F5e71806554B",
        "scheme": "exact"
      }
    ],
    "description": "Search ~8,900 live x402 pay-per-call APIs (verified/unverified by nohumans.directory probes, CC BY 4.0): name, endpoint URL, category, price, chains, status, score. Filters: q, category, chain, max_price, status=verified, limit<=100.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": "10",
              "max_price": "0.05",
              "q": "weather",
              "status": "verified"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "results": [
                {
                  "category": "compute.utility",
                  "chains": [
                    "base"
                  ],
                  "currency": "USDC",
                  "description": "Location intelligence report combining weather, astronomy, and air quality in a single call. Example: GET https://vibesprings.net/api/workflow/location-repor...",
                  "endpoint_url": "https://vibesprings.net/api/workflow/location-report",
                  "has_sample": false,
                  "last_probed": "2026-10-17",
                  "name": "Vibe Springs — Location Report Workflow",
                  "price_usd": 0.05,
                  "score": 1,
                  "status": "verified"
                },
                {
                  "category": "data.fx",
                  "chains": [
                    "base"
                  ],
                  "currency": "USDC",
                  "description": "Get what a trip-planning agent needs before it books, in one call: weather and 3-day forecast, local currency with live FX from USD, and a scam check on the ...",
                  "endpoint_url": "https://agents.dyoeway.org/destination",
                  "has_sample": false,
                  "last_probed": "2026-10-17",
                  "name": "agents.dyoeway.org/destination",
                  "price_usd": 0.05,
                  "score": 1,
                  "status": "verified"
                }
              ],
              "sources": [
                {
                  "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": 225
            },
            "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"
                    },
                    "chain": {
                      "type": "string"
                    },
                    "limit": {
                      "type": "string"
                    },
                    "max_price": {
                      "type": "string"
                    },
                    "q": {
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "verified",
                        "unverified"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [],
                  "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": "2026-10-29T07:52:49.704Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T07:52:49.568Z"
    },
    "resource": "https://freetier-agent-api.pages.dev/api/x402-services",
    "serviceName": "Agent Extraction API",
    "tags": [
      "directory",
      "x402",
      "agent-payments"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search ~8,900 live x402 pay-per-call APIs (verified/unverified by nohumans.directory probes, CC BY 4.0): name, endpoint URL, category, price, chains, status, score. Filters: q, category, chain, max_price, status=verified, limit<=100."
}

What the leaf hashes

{"body":"31cf4b4732ee8ccdba3013bd9a887c67bb07b8c798cba56b572069844183249f","id":1038846,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298276287294,"prev":null,"subject":"x402_bazaar:https://freetier-agent-api.pages.dev/api/x402-services","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x263dde40bb433162be9f484870b45e9eca9a70bec9f5d5229740284ff5d4fa7c
2. 0x6791cd4c42976c57dbaae8eebfe69b67738cf6f4d32d13a36bb72ec6d76fdad6
3. 0xf052b03070aa336140d62d815c25346ef8597a38a834745d8b39e253c768bdcb
4. 0x678bb4ed1d44240cca9382a667df61e7556cedce5b96263a95db437f441027ac
5. 0x015e488b6b4b72925af067c85eddfe575f84aa6806fae10f3960ecede173f545
6. 0x66ea845d76ab8a9e09f0755942da8b7c11efdd0edb87db60276be3d11ed635f3
7. 0x50f797ff2242308e245000de246eb80ea3e179b978d577ed8105fd76f2136d21
8. 0x2f37fb61df06e74797ca8e6d1186ed402ca7f82af37f61f6adb35142168e74d0
9. 0x25fa69f16ddd551150161e9bed697e963bb7cf4939d95ed12f7a42ce4025d4c3
10. 0xbeaee40da9a7e9effbe17dfbc3f881bc1f5b7c4a676bfa08d60926c060246f7e
11. 0xbe77cf65cc19731afb1c7da1955845b2d3cde47aa36e8208488fb2374ca8b6fa
12. 0xe2cb53cd051b60d6dd1c5dfece9ea01184a6918374dc25d9041236dfafba8ed7
13. 0xefaae1666e43c849b90a63d326ab50797fd1e7bd24975a20f067c8f8e3e230db
14. 0xe5630d765942d2009587828da7f2d173776eecb52114ac282f05c7b772bfe337
15. 0x00268e62f7d5ca6313e0e60afdc2bd4f52c6dbdb3b4b4d27e01e634b4bcb1d2c
16. 0x1c3764b490d23b94e5ac838c89f8d3850dedb0819196f367da2479c7a88bf2c0
17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1