Evidence row 452231

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agent-search.centorprat.workers.dev/exa/search"
    ]
  ],
  "name": "Exa-Compatible Web Search",
  "owner_address": "0x8d38d6026cf3a9805de9c5f0611cee95b532b120",
  "raw": {
    "accepts": [
      {
        "amount": "6000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x8d38D6026cf3A9805DE9c5F0611ceE95B532B120",
        "scheme": "exact"
      },
      {
        "amount": "6000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x8d38D6026cf3A9805DE9c5F0611ceE95B532B120",
        "scheme": "exact"
      },
      {
        "amount": "6000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "3644DrcePengCVjznEa59Dm7Mu7Acr522NvYyapHRHQh",
        "scheme": "exact"
      }
    ],
    "description": "Drop-in Exa-compatible search: the same request (query, numResults, category, includeDomains, excludeDomains, startPublishedDate, contents.text, contents.highlights) and response format (results with id, title, url, publishedDate, author, score, text, highlights) as Exa /search, on Google-quality authority-ranked results, $0.006 with page text included (Exa: $0.007 + per-page fees; resellers $0.01). Not affiliated with Exa.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "contents": {
                "text": {
                  "maxCharacters": 2000
                }
              },
              "numResults": 5,
              "query": "x402 payment protocol"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "requestId": "...",
              "resolvedSearchType": "keyword",
              "results": [
                {
                  "author": null,
                  "id": "https://...",
                  "publishedDate": null,
                  "score": 0.5,
                  "text": "...",
                  "title": "...",
                  "url": "https://..."
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "category": {
                      "description": "news, research paper, github, company, pdf, financial report",
                      "type": "string"
                    },
                    "contents": {
                      "description": "{text: true | {maxCharacters}, highlights: true}",
                      "type": "object"
                    },
                    "excludeDomains": {
                      "description": "never these domains",
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "includeDomains": {
                      "description": "only these domains",
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "numResults": {
                      "description": "1-10",
                      "type": "integer"
                    },
                    "query": {
                      "description": "search query",
                      "type": "string"
                    },
                    "startPublishedDate": {
                      "description": "ISO 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": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T09:55:58.306Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-25T19:30:25.315Z"
    },
    "resource": "https://agent-search.centorprat.workers.dev/exa/search",
    "serviceName": "Exa-Compatible Web Search",
    "tags": [
      "exa-compatible",
      "search",
      "neural-search-alternative",
      "rag",
      "web-search"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Drop-in Exa-compatible search: the same request (query, numResults, category, includeDomains, excludeDomains, startPublishedDate, contents.text, contents.highlights) and response format (results with id, title, url, publishedDate, author, score, text, highlights) as Exa /search, on Google-quality authority-ranked results, $0.006 with page text included (Exa: $0.007 + per-page fees; resellers $0.01). Not affiliated with Exa."
}

What the leaf hashes

{"body":"d30587bb03325f173c0101d6ec8cc4c1a75c60d6c86c1ef05633c81013c5aab6","id":452231,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100518632223,"prev":61348,"subject":"x402_bazaar:https://agent-search.centorprat.workers.dev/exa/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. 0xd3ed6b0421b4d4dbdd91d1ba27037881a95a9c48efd41905322add072ed2c5b4
2. 0x8582eb7577e912a2f8841a9b9e55252317ead78c2fce64805809e1bece41bdd7
3. 0x966a107ca28e4bbf0f62dcf793e465f22b2e0f6901c53e79cdf2d3c1f2807fba
4. 0x127b6d2407cc00167df656c630bb50cae4b465cbd32b93c863bd9d730571923c
5. 0x055e63087217b5c6f5ddf1ef11160e5d02fd91832464dd150502e7a00541cc1c
6. 0x90d2894f632a4eee2350fa172b622837143544f1f6f2986b9e0fac2a60edd82b
7. 0x35512c50279c8f9d5cd8418c0c0a405eba53f0247443be1ebd1f91d14e819e23
8. 0x58e926eb65ee09f8358f55667e5db37717ae312ad299afa1f4c8324131673bba
9. 0xcedcceead5d29896a8f3f7a0868db6083c8a2927d5bb41228bbd7771ca3f0d7f
10. 0x6a1386a689a26367b568f88e377530a2bd553e06af1a26049e7c59700ecf3e60
11. 0xfffb2250987be2ab1e65ada5e7362185183c6bbed9d78650d53d2ffb2c007dd0
12. 0xba42125112c82614fda070baa3201b37bda47b7485d074641cdd174984f8ddaf
13. 0x3b3e4fecead12aaf883ab4f21b6e21efddd0a8d055ced058cb62bcdca8a6c9d6
14. 0x8f676edfb4faaa290229d8f4f69ab721fc627424463d62f5146b3d1ca7f2f0c6
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4