Evidence row 452064

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bob.assimilatethis.com/research"
    ]
  ],
  "name": "Bob Research Tools",
  "owner_address": "0x87d2c7808872985cfce3847ee172ebb87d772dbe",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x87D2c7808872985cFcE3847eE172Ebb87d772Dbe",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "Bi6QZzf9SEBg3dzoYmE6RvqPXp4pVJHWhWg2ATfprU8f",
        "scheme": "exact"
      }
    ],
    "description": "Ask any factual or market-research question. Searches the live web with Tavily and Exa, extracts the most relevant page with Firecrawl, and returns a short synthesized answer with source URLs. Typical response 4 to 8 seconds. If it cannot answer in time you get an error and are not charged.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "q": "What is the x402 payment protocol?"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "answer": "A short synthesized answer grounded in the sources.",
              "sources": [
                "https://example.com/source"
              ]
            },
            "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": {
                    "q": {
                      "description": "The research question to answer",
                      "type": "string"
                    }
                  },
                  "required": [
                    "q"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "answer": {
                      "type": "string"
                    },
                    "sources": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "answer",
                    "sources"
                  ],
                  "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": "2026-10-27T10:05:03.533Z",
    "quality": {
      "l30DaysTotalCalls": 17,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T21:05:56.659Z"
    },
    "resource": "https://bob.assimilatethis.com/research",
    "serviceName": "Bob Research Tools",
    "tags": [
      "research",
      "web-search",
      "fact-check",
      "summarization",
      "ai-agents"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Ask any factual or market-research question. Searches the live web with Tavily and Exa, extracts the most relevant page with Firecrawl, and returns a short synthesized answer with source URLs. Typical response 4 to 8 seconds. If it cannot answer in time you get an error and are not charged."
}

What the leaf hashes

{"body":"0ef17e92b87d6a9740a16d7070dcb86c99c3de13ffb6a44029d9130c175055b9","id":452064,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100517595085,"prev":71792,"subject":"x402_bazaar:https://bob.assimilatethis.com/research","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. 0x2dc533379d1c1326c4786d91740c3f1cc5636d07e38c4452f6ef1cc5ed9b0b27
2. 0x5ad7a618fe35ed380a024cc0b51961c448919e684e291c2a40cccdb2c18f85e6
3. 0x045bdf2fe7768724d943a506f776230bee94d7ffef84f9f73d0be1219a050b0f
4. 0xdfbe71c3044d8a61b6e247554204c35b4f34a7c1225602dd49ee617cfa1bed05
5. 0x8127376886fd139a50fe3d2dd547b1ac39c142302a74e88c7447cfdb36dc65df
6. 0x238c7ca452da2fd43897cbe045c7a1515fca15c3ab802840629834f33fc686fa
7. 0xa919e850c5f39343005be5de05c37ca912386793fdce220e4bdf97f9b9a705c1
8. 0xdc1e51396cf46f16644ab42e8e115080bb40b77b162f321d20a81851a31248d4
9. 0x00be022ccae2fbbede7f9616f843848f30a7735a08380ab8577af454e3ee196b
10. 0xef0be44ded6305b2033091a1b577c49f6768a048039212c84021ae88853e7b6d
11. 0x565e5d1bdde53cb504eca7d80d5086f778250d6d1d5f559fca69ef359e9343cf
12. 0xbba37928cada6ab17c662e87851d940dd07cc2323bc089da77c1f353a0c5e936
13. 0xf9e544d10b80657275e1e196da89ba5336a7cc49eaa0d6d801fb5d632cf5deec
14. 0x8ff18b1523f9fbdd16a5796cbe184b46854c06256508af8de5509b598370c725
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4