Evidence row 452082

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bob.assimilatethis.com/search"
    ]
  ],
  "name": "Bob Research Tools",
  "owner_address": "0x87d2c7808872985cfce3847ee172ebb87d772dbe",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x87D2c7808872985cFcE3847eE172Ebb87d772Dbe",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "Bi6QZzf9SEBg3dzoYmE6RvqPXp4pVJHWhWg2ATfprU8f",
        "scheme": "exact"
      }
    ],
    "description": "Plain web search. Returns ranked results (title, URL and a short snippet) for a query, up to 10, optionally limited to a publish-date range with since and until (YYYY-MM-DD). No AI-written answer, so it is fast: typically under a second. If it cannot return results you get an error and are not charged.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "n": 5,
              "q": "x402 payment protocol for AI agents",
              "since": "2026-09-01"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "query": "x402 payment protocol for AI agents",
              "results": [
                {
                  "snippet": "A short passage from the page.",
                  "title": "Page title",
                  "url": "https://example.com/page"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "n": {
                      "description": "How many results to return, 1 to 10 (default 5)",
                      "type": "integer"
                    },
                    "q": {
                      "description": "The search query",
                      "type": "string"
                    },
                    "since": {
                      "description": "Optional: only results published on or after this date, YYYY-MM-DD",
                      "type": "string"
                    },
                    "until": {
                      "description": "Optional: only results published on or before this date, YYYY-MM-DD",
                      "type": "string"
                    }
                  },
                  "required": [
                    "q"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "query": {
                      "type": "string"
                    },
                    "results": {
                      "items": {
                        "properties": {
                          "snippet": {
                            "type": "string"
                          },
                          "title": {
                            "type": "string"
                          },
                          "url": {
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "query",
                    "results"
                  ],
                  "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/v1791991143/bazaar-icons/1fdb860a313592e1.png",
    "lastUpdated": "2026-10-27T10:04:22.26Z",
    "quality": {
      "l30DaysTotalCalls": 22,
      "l30DaysUniquePayers": 10,
      "lastCalledAt": "2026-10-25T23:33:26.096Z"
    },
    "resource": "https://bob.assimilatethis.com/search",
    "serviceName": "Bob Research Tools",
    "tags": [
      "research",
      "web-search",
      "fact-check",
      "summarization",
      "ai-agents"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Plain web search. Returns ranked results (title, URL and a short snippet) for a query, up to 10, optionally limited to a publish-date range with since and until (YYYY-MM-DD). No AI-written answer, so it is fast: typically under a second. If it cannot return results you get an error and are not charged."
}

What the leaf hashes

{"body":"a6a5aeaedc713cf60407cf0a7b4aba185113c5ef492affdcdf04f6457f697986","id":452082,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100517652451,"prev":71793,"subject":"x402_bazaar:https://bob.assimilatethis.com/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. 0xd264501813a38a83420fb834f80136d8dc4e21645f4abd8e156e278d9c9594f6
2. 0x1f5eb65245ce926bd5cec9a9ca8c2c24ae284dda4286921d3fc4c594d3e08273
3. 0x011dbbf244022787b98e380802a411241b0eed44cf395bf50442bfd3bfde5cef
4. 0x593cb4a18b661d1391511a652f4761e9e2f8f52d47f8335021150f95617c9605
5. 0xa3f68db655b0bca69d6deed8ff1e2a0ffa7ce161ae9092f4c7b300b231bfaa1c
6. 0x96ea7f797650c52ac1d798c58efdfcc4bfdcf15bf434c71f58607bb772d9ead7
7. 0x0b411276b19ae9e1a2d1d9dd32ac67d673ae621a759934f1eb63e2fea82302de
8. 0xe92f1d2da3b9a1d41d0983d7795b0b7ce16e003aa5bddd33ef3f9c6858ade0d2
9. 0xd543725d8c54258de2d5097dfdc1f4a825897fc63c8b4d12ac1933020845f3d1
10. 0x63fab591f55ad00bc0e680f7d7ae749a4bf51899db148b9197a165bd355e1eb9
11. 0x621d4dbcfb70ab294046951fe2837a8b39f75c67fac3f911dfa479f7fb2b5b53
12. 0x171aeb7198e4c29bd794c75ee3b02f70c21f3caa4365d2b304c00b891f1bbc94
13. 0xc66f83a1320fe7c1faf22674eeeb7fae22ecd2f0b102d9619a484291f2ce104a
14. 0x8f676edfb4faaa290229d8f4f69ab721fc627424463d62f5146b3d1ca7f2f0c6
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4