Evidence row 527019

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": 23,
      "l30DaysUniquePayers": 11,
      "lastCalledAt": "2026-10-27T10:04:21.984Z"
    },
    "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":"83270e80037f06f7b6ad2bbdb10526e32b7a9d97ac98c8561cd0fc2b8f0ba7a4","id":527019,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124793544106,"prev":452082,"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. 0x39665e78b319747f9eb0429104e346f53b5846f2975c0f6bba3539b47f049faf
2. 0x5bea556cb63736b6659d9d5dfc1128bd7256f66e6aaa14fb0b1a6dcfbccd83e1
3. 0x739df17fd3931a8d0ad9d903028f1a6a5ad2a88ea6bdfe6a4688e866ce133742
4. 0x5d677e7925c17728f12a3711f57a37cef8ad2e961a5760ceee9e63639a145124
5. 0x139a47fcee87fd6a7e95341ed9138ddaf3f2dd108aa7332d938852659d26310d
6. 0x7c726e14bbb339b397844118c9e2fdf8437eb15ba43c2d1cc6ae729ffb6dd925
7. 0xbd448a997e8dd68ac6b130a73485490073d7e5146f48d808dbe492e4d84463c7
8. 0xe9c0d82940653ec5b7e27e75d989d3850f4364a7e99086d8bbedbb55f68d8fdd
9. 0x59b6902ce554384c3e603b1792443feacec76862b4f5c29fb63fcac840677041
10. 0xd3bafd1fb04112a9e4dcb856923023c48687d35d10706dbbcdca3fdba79a5ccb
11. 0x7b8168d9a323983ca8a6e81296d112593f810321905f76034e59a057770de39f
12. 0x5ad46fa78d79ba6d76c322cad1bc48cbf0c26dc875ba94214d44c9d3c0b36673
13. 0x5a6a2d80130a2a2e783e8f8096057d594b53c7bc148344100f2c40afa809745f
14. 0x42784d9809d120654630ee1b254a1dd90a2bbd3024aa180f1a59bbf53e9316e4
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4