Evidence row 527173

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": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-27T09:55:58.057Z"
    },
    "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":"e98df9d3f409d9ed1c63f63f73a0229ec95176eab50f6f402db30a8dbf9836ce","id":527173,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124795687227,"prev":452231,"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. 0x4c05124923d9d9b481e2d94c80aa2845aa1af94cf80f0728fee319c6aa4a6f33
2. 0x5c92e8fb8d52228a72332cafecc5f3352a084cd430b18db25f73c164be1a82c2
3. 0xf6dff6c4612b9fd1a5d7e7e1745c3fff8543436376d6a8d0578f3cfc817706df
4. 0xb5b080af13e91b8af2e32bf5b21102434f6e182187fda498628a319c661025d7
5. 0x261184e9af5683db6c6d663a22b7b5cd5cd4e329e4d75fb3926334265d371837
6. 0x874782afc552f08c2dc81df1b1ce5a769ef42b96a1f00f74d369389b362128b4
7. 0xb780db8dadf93aa24ca443faf4c4e2655b64ebf088c5fed9d663e67a41f89fdc
8. 0x15bd65a8e9387ee63456a361f031f44743ed5ab05dd7e7d8dc0d971b4d80587d
9. 0xab493b4b2554fa70c9caf5e834e23ab8770551346d72bff0a660b5683cc0a729
10. 0xf76cc8368883e5e859b77ef9ab8ee1e563f24cb57134247e77c2c3fd2b2d772c
11. 0xdb79ef753f2bf12d42dd9582e7548d8779f526360e431c95865fd80eb157c47e
12. 0xf5ad7dee20c9ad48ff75cc443e6c6ae3a718321f07b826d581afdb243e59305f
13. 0x150dc531eedad3837a4be47dd0bf1a84bf98feb63216c125982425fda525a3fd
14. 0x80ede9e5d428e39db26928b1d08254ff1241f1d7e091fd2e57130fbb4423162b
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4