Evidence row 452250

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agentsvc.io/api/v1/proxy/web-search"
    ]
  ],
  "name": "Wikipedia Search",
  "owner_address": "0x622efa6ceb83a5b6edbc931332f4db68b7f74f27",
  "raw": {
    "accepts": [
      {
        "amount": "3500",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
        "scheme": "exact"
      },
      {
        "amount": "3500",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "5JzPS5qpEwUM1vTC9GG7uqvwJdHzbEwfoPHf2Ki977tg",
        "scheme": "exact"
      },
      {
        "amount": "3500",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
        "scheme": "exact"
      },
      {
        "amount": "3500",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
        "scheme": "exact"
      }
    ],
    "description": "Quick factual lookup: a plain-language summary (abstract) plus up to 5 relevant links from Wikipedia. Best for people, places, concepts, history and science. Returns links, not page content: to get the content of the top results in the same call, use search-read. Not for breaking news: use news-search. Params: query (required).",
    "extensions": {
      "bazaar": {
        "category": "web",
        "info": {
          "input": {
            "body": {
              "query": "x402 payment protocol"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "abstract": "Paris is the capital and most populous city of France. With an official estimated population of 2,102,650 residents as of 1 January 2023 in an area of more than 105 km²...",
                "abstract_source": "Wikipedia",
                "abstract_url": "https://en.wikipedia.org/wiki/Paris",
                "answer": "",
                "heading": "Paris",
                "query": "capital of France",
                "results": [
                  {
                    "text": "Paris — Wikipedia",
                    "url": "https://en.wikipedia.org/wiki/Paris"
                  },
                  {
                    "text": "Visit Paris — Official Tourism Site",
                    "url": "https://www.parisinfo.com/"
                  }
                ]
              },
              "success": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "query": {
                      "description": "Search query string (e.g. 'current Bitcoin price', 'capital of France', 'Next.js 15 release date')",
                      "type": "string"
                    }
                  },
                  "required": [
                    "query"
                  ]
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "data": {
                      "properties": {
                        "abstract": {
                          "description": "Concise abstract/summary about the topic (from Wikipedia or similar source)",
                          "type": "string"
                        },
                        "abstract_source": {
                          "description": "Name of the abstract source (e.g. 'Wikipedia')",
                          "type": "string"
                        },
                        "abstract_url": {
                          "description": "Source URL for the abstract",
                          "type": "string"
                        },
                        "answer": {
                          "description": "Always empty; kept for older clients",
                          "type": "string"
                        },
                        "heading": {
                          "description": "Topic heading from the search engine",
                          "type": "string"
                        },
                        "query": {
                          "description": "The original search query",
                          "type": "string"
                        },
                        "results": {
                          "description": "Related search results with URLs",
                          "items": {
                            "properties": {
                              "text": {
                                "description": "Result description or snippet",
                                "type": "string"
                              },
                              "url": {
                                "description": "Result URL",
                                "type": "string"
                              }
                            },
                            "type": "object"
                          },
                          "type": "array"
                        }
                      },
                      "required": [
                        "query",
                        "heading",
                        "abstract",
                        "results"
                      ],
                      "type": "object"
                    },
                    "success": {
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "success",
                    "data"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "search",
          "web",
          "wikipedia",
          "research",
          "query",
          "information"
        ]
      },
      "builder-code": {
        "info": {
          "a": "bc_q6wi3opd"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791462963/bazaar-icons/243ff0b79dbee242.png",
    "lastUpdated": "2026-10-27T09:53:14.32Z",
    "quality": {
      "l30DaysTotalCalls": 15,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-26T04:02:52.002Z"
    },
    "resource": "https://agentsvc.io/api/v1/proxy/web-search",
    "serviceName": "Wikipedia Search",
    "tags": [
      "search",
      "web",
      "wikipedia",
      "research",
      "query"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Quick factual lookup: a plain-language summary (abstract) plus up to 5 relevant links from Wikipedia. Best for people, places, concepts, history and science. Returns links, not page content: to get the content of the top results in the same call, use search-read. Not for breaking news: use news-search. Params: query (required)."
}

What the leaf hashes

{"body":"8425db636329a45dc869b1327272f44c9489dd5b5b7781c19e28238f6a10d886","id":452250,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100519229192,"prev":19223,"subject":"x402_bazaar:https://agentsvc.io/api/v1/proxy/web-search","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x63e8cfe6b92dec5e18196b8e758dd56af15f68fc38bac0c1a8c5bb27d9254bb6
2. 0x9c5cec7759ae1960ffd3d9c4cf84c3eb698c64f499af59dff499cac9dbbd6439
3. 0x38921532fd85b003457dd4ab75f4b9cf9d271baf1cd5e625805e8055d7a5d8f5
4. 0x51fbed95aa1c7fbd24823539b21a961f2154f0df1687961d82af4e86d4283ac8
5. 0x802a9cf93f4a2b24eb2a15aa837210424ed7264fb47e2bcc6a27be86d8b6fb1c
6. 0x35b041682a434341ccd9f3cdf095dd5bc399f30799964871c22261fefda303c7
7. 0x434b795df343221910ce5aaf1e0151164eabc637430ac01d8798e281b03ee2ae
8. 0x9109498f9203dc7474ad015ce34999f6b060258b960a55cf4fbffaef3689d57f
9. 0x050cdf6b85ab70f7f01c4c60d83af6a0245528232988c5831ded9a8c7f0d05da
10. 0xdff25c90466feca6b1740e9cfbe03f905754b3f29c0039b59db7839a088e5fc7
11. 0x4b8a5bb7702c56bf518d411dcb651cd65152b4c5dc726c84c9defe976da6fc97
12. 0x2e58dc6ee7aeaa711f82442dcbba8b29376e082f623a6e0234d71b85ff8d3377
13. 0x38f17e73d675dd35d0dd4a9f0ebd22a3333bcd28f96e42d5dd126e08211ffc4a
14. 0x4277e02be0b5d91d78bc2247e37d402572474ba896c2e8f45765c8dc4e244d36
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4