Evidence row 1262224

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://tools.usefulwork.app/tools/read-page"
    ]
  ],
  "name": "Useful Work tools",
  "owner_address": "0x7d020f2167f44a9d52859f7f81cfdae32dc845ec",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x7d020f2167f44a9d52859F7f81cFDae32Dc845ec",
        "scheme": "exact"
      }
    ],
    "description": "Read a public web page as plain text: title, readable text and link count",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "url": "https://example.com/"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "links": 1,
              "status": 200,
              "text": "This domain is for use in documentation examples…",
              "title": "Example Domain",
              "url": "https://example.com/"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "url": {
                      "description": "A public http(s) page address",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "useful-work": {
        "available": false,
        "reason": "send an X-Useful-Work-Agent header (8-128 characters) to be offered work",
        "version": 1
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793320018/bazaar-icons/8fc427e2b44afe48.png",
    "lastUpdated": "2026-10-30T00:27:00.009Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-30T00:26:59.598Z"
    },
    "resource": "https://tools.usefulwork.app/tools/read-page",
    "serviceName": "Useful Work tools",
    "tags": [
      "web",
      "useful-work"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Read a public web page as plain text: title, readable text and link count"
}

What the leaf hashes

{"body":"00b8000a2e9e946273450a3da193c34e74b85ffdc00ebca55168dd97809d57d2","id":1262224,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385521072354,"prev":null,"subject":"x402_bazaar:https://tools.usefulwork.app/tools/read-page","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x88618d601d5fdf102d5c2095573fa104f1fb7e7b91397163f1346d00a0162b7c
2. 0x700b29512e79022b9637cfda9f0e689c57dae8413917d70ee8db89447d198357
3. 0xad0dc77a4e59d00ef0ad1fe353d3abb4ba901fb8e09990927d8751c035095a28
4. 0xaf040d4210b2411ffca5286dd51fbbe9e25410183af99312f1b27c7df55ef120
5. 0x38403446aa6e97eae3d2a4a9f6b300ee1f63c0e1e44d7f3183b8a44041c8fd45
6. 0x22848b5b93ad8190e602487db7c6b57be5e88ea91d0ac46c6bffbee15ab6e48b
7. 0xe4c9dcabcc403e05bc587e6b6e6c7bea12465f36c8c223609426297fecc6003c
8. 0x717d623f33ee84e0705d2f3f862e1c0fd69c638ad027d75475086904852da8cd
9. 0xa0b59e0a42039f5cb76541034af3161fc597311b214441bcd5c15d42b7e2a119
10. 0x0f7431c52bc8f1cdb6eac6deb4330101cb0e78a6f63ec2bb6018ae4541360b58
11. 0xfd1071c805c49dc072e19c7a26f66574cdecaba2a59c4db980f2fb1411d7f857
12. 0x8eecb41108b41d7fd9877004871b23203ed037d1b02052f45e85ce8808815d3d
13. 0xa0bdb5f3bd27bfda93487148c281e2998b9a5f0ec8cec2ae9b744375d5414046
14. 0x2cc23d59d659d5b819934005bab57d036b04ff4c8b701cb0e274c40aaddb2d51
15. 0x235114e50a987e65d728b9ef8b5978846cd7c01f22effc55dd604c388ce359ec
16. 0xdbaaffa44665d1fa60d33d2c4075bd87629b76d01a6ee63e621e78590303b56d
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861