Evidence row 527192

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": 16,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-27T09:53:14.12Z"
    },
    "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":"35699442f8850fe6aac38e8c161d92f9a318c2b89217afad65fe879e8e9ba4e8","id":527192,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124795765126,"prev":452250,"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. 0x2a31c667b3d18c9fd985aca077f157327cb9de29bae83009ef589366adc85ef6
2. 0x1d50fad6db08a6e2035e1720701df121a58ff343fa791cea1329b1b2a73e9de7
3. 0xda3ec9873b83a6098e6c346b12b278c091e6fb4bece637866720c95582fa740c
4. 0xe253f311274f8ab02feba2332a97b3200d02548004b1af28e8516654ed28c564
5. 0x9a7dd695407100c0cf5ce144bb5246bff364e4c66b27f2f7a7fa409e4b5806d5
6. 0x3d0adb943702a2444542287336962a5e409fc445e5268d7941f35c7988b83890
7. 0xa6812630a1dc3a6bfcbef4f0293aa4ffbc55eb70ac2335b8e9f22c501c16f329
8. 0xbc15a4c17f0a70245cb5916ae7aabd3f4e4a84a19a099a9d86ea709807aaf36a
9. 0x855d1ad8b2e84cc07d2810932b5dc3a34951c235fe1e42987e434adbdbf23c49
10. 0xc0a5bef88e4d5324cced6c7523eb88c273b4552dfc893301ccd21f3fe5769359
11. 0xa4cf5f8abf1fd5862fdfe7da495135918d37a4b05ef397791ef37ad625f906c9
12. 0x53be2d72842ed384672ee78d06cbad599558474b78db9065a3b26f87d53522fa
13. 0x28be2f2303fcac4decdb6323b0f4ee8f8a31038beb758eaafc604a98626292e4
14. 0x8ff18b1523f9fbdd16a5796cbe184b46854c06256508af8de5509b598370c725
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4