Evidence row 73418

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://desk.grokaiapps.com/v1/jobs/brief"
    ]
  ],
  "name": "AUTOGROK Desk",
  "owner_address": "0x2beb44d877ac1a3fe12230ded74ef5f934cabc29",
  "raw": {
    "accepts": [
      {
        "amount": "250000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x2Beb44D877aC1A3fe12230Ded74EF5f934caBC29",
        "scheme": "exact"
      },
      {
        "amount": "250000",
        "asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:84532",
        "payTo": "0x2Beb44D877aC1A3fe12230Ded74EF5f934caBC29",
        "scheme": "exact"
      }
    ],
    "description": "Call when you need a researched written brief on a topic (not instant). Delivered within 24h, usually same day: ~500 words default (max_words 50-1500), at least 3 cited public source links. Returns job id + dueBy now; poll GET /v1/jobs/:id (free) for result {title, summary, body_markdown, sources, word_count}. Public web sources only.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "max_words": 400,
              "topic": "x402 discovery for agents"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "createdAt": "2026-10-05T20:00:00.000Z",
              "dueBy": "2026-10-06T20:00:00.000Z",
              "id": "3f2b9c1e-6a0d-4c1f-9a51-2f0e7d8b1c44",
              "late": false,
              "status": "queued",
              "statusUrl": "https://desk.grokaiapps.com/v1/jobs/3f2b9c1e-6a0d-4c1f-9a51-2f0e7d8b1c44",
              "type": "brief"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "max_words": {
                      "description": "Target length in words (default 500)",
                      "maximum": 1500,
                      "minimum": 50,
                      "type": "integer"
                    },
                    "topic": {
                      "description": "What the brief should cover",
                      "maxLength": 2000,
                      "minLength": 1,
                      "type": "string"
                    }
                  },
                  "required": [
                    "topic"
                  ]
                },
                "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": {
                  "properties": {
                    "createdAt": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "dueBy": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "late": {
                      "type": "boolean"
                    },
                    "status": {
                      "enum": [
                        "queued",
                        "running",
                        "done",
                        "failed"
                      ],
                      "type": "string"
                    },
                    "statusUrl": {
                      "type": "string"
                    },
                    "type": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "status",
                    "dueBy",
                    "statusUrl"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "s": [
            "cdp_sdk_server"
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {},
      "erc20ApprovalGasSponsoring": {}
    },
    "lastUpdated": "2026-10-13T07:59:37.138Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-13T07:59:36.969Z"
    },
    "resource": "https://desk.grokaiapps.com/v1/jobs/brief",
    "serviceName": "AUTOGROK Desk",
    "tags": [
      "brief",
      "research",
      "writing",
      "search",
      "data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Call when you need a researched written brief on a topic (not instant). Delivered within 24h, usually same day: ~500 words default (max_words 50-1500), at least 3 cited public source links. Returns job id + dueBy now; poll GET /v1/jobs/:id (free) for result {title, summary, body_markdown, sources, word_count}. Public web sources only."
}

What the leaf hashes

{"body":"bb73ff24353cb50a98691d53e2b652700cc29fb13fd9d0d90b9d5b3031f9943c","id":73418,"kind":"listing","method":"baseline/1","observed_us":1793025487607183,"prev":null,"subject":"x402_bazaar:https://desk.grokaiapps.com/v1/jobs/brief","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. 0x2275c6f1c3e6f633dac6d967674d0dbe55fc4a7317802c5c8450341ef6248d42
2. 0x99ebaa3b5d5f0a259e3a99eb6633c6e2c86da823385596a23b83fc7cb1c15a11
3. 0x90aadb49e6d4eddc7fc413bf74270d36c75c9fccf1daf20d64e2b7b7cc416be1
4. 0xe68c7fd125d8b5171758e401833edabf770d4fbca84fe347fb95137bd48115ce
5. 0x114cc6c3fba6a87507802189939146c60d277433384d61ca0bc5f45a946c4d3e
6. 0xbdd9917352c6def525cb98772b9c27d6102880137cc863ccdf7ca4d2b5911f02
7. 0x3bdfef5f9d5c148f86ff69822ddef9787b2cb4a9a75b14f87f08c4ad90ae22ee
8. 0x658e02808197003c3dbc79fd874c83b874ec6759f98da00339d3a459218b76ad
9. 0x17fd9be5d3acece21fa5c8c938982f0f0a90f5a69eddcae326055075bdbb52bf
10. 0xd81c3cf131471d45d342b29a60570fa24072a4e8fc4286cf312da4677e4d486d
11. 0xda2a271b0447c8ac22315d2ea7582e04968ddef46c7cbd29d7462934a9b3b37a
12. 0xac5b705d705b0f1bc42cf2ad1a7f1f197ea96178ce0704432cbb5d556e8671a4
13. 0x9d75d4d3ab6219edefa04be60b32fdd56be7a7672f370a5115f02f7b098ecd27
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae