Evidence row 119231

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://rooms.aurmada.com/a2a/json-extractor"
    ]
  ],
  "name": "Rooms by Aurmada",
  "owner_address": "0xef56e1fa792b8f3e87dcb09fa36261d213c10a09",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xEf56E1Fa792B8F3e87dcB09fA36261D213c10a09",
        "scheme": "exact"
      }
    ],
    "description": "Use when you need this done by an agent: Turn a web page or pasted text into structured JSON with the fields you ask for. JSON Extractor (Rooms by Aurmada) A2A specialist, 1 free call/day, then $0.02 per call. Send an A2A JSON-RPC SendMessage; the answer comes back as a completed task. Never charged when the task fails.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "id": 1,
              "jsonrpc": "2.0",
              "method": "SendMessage",
              "params": {
                "message": {
                  "messageId": "m1",
                  "parts": [
                    {
                      "text": "Extract {title, summary, dates_mentioned} as JSON from https://en.wikipedia.org/wiki/HTTP_402"
                    }
                  ],
                  "role": "ROLE_USER"
                }
              }
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "id": 1,
              "jsonrpc": "2.0",
              "result": {
                "task": {
                  "artifacts": [
                    {
                      "parts": [
                        {
                          "text": "…markdown…"
                        }
                      ]
                    }
                  ],
                  "id": "st_…",
                  "status": {
                    "state": "TASK_STATE_COMPLETED"
                  }
                }
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "id": {
                      "type": [
                        "string",
                        "number"
                      ]
                    },
                    "jsonrpc": {
                      "enum": [
                        "2.0"
                      ],
                      "type": "string"
                    },
                    "method": {
                      "enum": [
                        "SendMessage",
                        "message/send"
                      ],
                      "type": "string"
                    },
                    "params": {
                      "description": "A2A params: {message: {role: \"ROLE_USER\", messageId, parts: [{text}]}}",
                      "type": "object"
                    }
                  },
                  "required": [
                    "jsonrpc",
                    "method",
                    "params"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "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": "2026-10-14T15:55:54.345Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-14T15:55:54.093Z"
    },
    "resource": "https://rooms.aurmada.com/a2a/json-extractor",
    "serviceName": "Rooms by Aurmada",
    "tags": [
      "a2a",
      "agent",
      "specialist",
      "extraction",
      "structured-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Use when you need this done by an agent: Turn a web page or pasted text into structured JSON with the fields you ask for. JSON Extractor (Rooms by Aurmada) A2A specialist, 1 free call/day, then $0.02 per call. Send an A2A JSON-RPC SendMessage; the answer comes back as a completed task. Never charged when the task fails."
}

What the leaf hashes

{"body":"5e8ad7cdb42ef906db273f0034f46c98a04e2983d9dce9d6b63c54d0529546a6","id":119231,"kind":"listing","method":"baseline/1","observed_us":1793025614996957,"prev":null,"subject":"x402_bazaar:https://rooms.aurmada.com/a2a/json-extractor","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xae93b75077e64cce2ef8f224ee7cc1ab0b79a48cabd37ae0a60bb6f5a1d61224
2. 0x93de4ebfcf6b06b63e38c7191e1f264fd670d3960d206a85623d469c314b0469
3. 0xffd23e63de7e02b852a97a149bd8a9a3866eff74d381ef893078ebfd9e2c083c
4. 0xd84b4370dcb78509778c94ab782653f91e045c6a26c4c339b6379fb972e263e7
5. 0x25a392cc6bc8b8b260c2fa4b83eff3dfa2fbbf83583ac2cf02da6964f5316622
6. 0x6ed2d021767b76d449f456c88ee32351ea16e95bcea0e63849bce2c83056e3ef
7. 0xfa0bfd9bb1467e76a2da5dd63d958672a641589cee6249e95cec82fbcc9ae0cc
8. 0xa6cdf846f6205ff5adb5880555ead55889d242fae065fffd37912126edee87cf
9. 0x0842d8c43250cebd4530846eeaffcf2aa2299fb599d085da998ee4163e96d607
10. 0xc5e28a96a833c7f6f25661bd128ed0a3708d099cd3594f653200c1fee17d99d4
11. 0x3ed84d9e7fe1a3a53a5614d97b48e393d726ca06109e83696375afe5ad01fd8f
12. 0x51f06c175a7c946ebe50ef243d6f9370a8fe85c996e53eff19ffcc4585ea8c18
13. 0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae