Evidence row 63788

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agents.withzero.xyz/zcj/1t7d6v5vh667/api/v1/image/images/nano-banana-2"
    ]
  ],
  "name": "WithZero",
  "owner_address": "0x9811c0900fcb719bbc363a3846d2d6db2771dea8",
  "raw": {
    "accepts": [
      {
        "amount": "70000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "billing": {
            "description": "amount is the price and is charged in full when you pay, and is not returned if delivery fails: this rail settles once and cannot give change. (Exact entries appear only on fixed-price requests - ceiling-priced requests are offered the reserve-and-pay-actual entry instead.)",
            "model": "prepaid"
          },
          "name": "USD Coin",
          "version": "2",
          "zeroclick": {
            "agentPaymentId": "apay_JV4xPp63MtgKcaDPvnc7J",
            "kind": "transaction",
            "zcRequestId": "zcreq_cyEO-wu2DaSLV1_QGmf0u"
          }
        },
        "maxTimeoutSeconds": 1800,
        "network": "eip155:8453",
        "payTo": "0x9811c0900fcb719bbc363a3846d2d6db2771dea8",
        "scheme": "exact"
      }
    ],
    "description": "Generate images from a text prompt with Google's Nano Banana 2 (Gemini 3.1 Flash Image) — fast, high-quality generation. Returns hosted image URLs.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "count": 1,
              "prompt": "A watercolor painting of a lighthouse at sunrise"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "additionalProperties": false,
                  "example": {
                    "count": 1,
                    "prompt": "A watercolor painting of a lighthouse at sunrise"
                  },
                  "properties": {
                    "count": {
                      "default": 1,
                      "description": "How many images to generate (1–4).",
                      "maximum": 4,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "prompt": {
                      "description": "Text description of the image to generate.",
                      "maxLength": 4000,
                      "minLength": 1,
                      "type": "string"
                    }
                  },
                  "required": [
                    "prompt",
                    "count"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "terms": {
        "info": {
          "links": [
            {
              "kind": "platform_terms_of_service",
              "url": "https://www.zeroclick.ai/legal/buyer-terms-of-service"
            }
          ],
          "note": "By paying this challenge, whether directly or through an agent acting on your behalf, you accept the platform's buyer terms of service; an agent's payment and acceptance are attributed to you and bind you as if you had taken them yourself."
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "links": {
              "items": {
                "properties": {
                  "kind": {
                    "enum": [
                      "terms_of_service",
                      "privacy_policy",
                      "additional_terms",
                      "platform_terms_of_service"
                    ],
                    "type": "string"
                  },
                  "url": {
                    "type": "string"
                  }
                },
                "required": [
                  "kind",
                  "url"
                ],
                "type": "object"
              },
              "type": "array"
            },
            "note": {
              "type": "string"
            }
          },
          "required": [
            "links"
          ],
          "type": "object"
        }
      },
      "zeroclick": {
        "info": {
          "payment": {
            "amountUsd": "0.070000",
            "id": "apay_JV4xPp63MtgKcaDPvnc7J"
          },
          "requestId": "zcreq_cyEO-wu2DaSLV1_QGmf0u",
          "service": "nano-banana-2"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "agentId": {
              "type": "string"
            },
            "payment": {
              "properties": {
                "amountUsd": {
                  "type": "string"
                },
                "id": {
                  "type": "string"
                }
              },
              "required": [
                "id",
                "amountUsd"
              ],
              "type": "object"
            },
            "requestId": {
              "type": "string"
            },
            "service": {
              "type": "string"
            }
          },
          "required": [
            "payment"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-19T19:00:12.154Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-19T19:00:11.528Z"
    },
    "resource": "https://agents.withzero.xyz/zcj/1t7d6v5vh667/api/v1/image/images/nano-banana-2",
    "serviceName": "WithZero",
    "tags": [
      "Media",
      "Research",
      "Publishing",
      "Automation",
      "Memory"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Generate images from a text prompt with Google's Nano Banana 2 (Gemini 3.1 Flash Image) — fast, high-quality generation. Returns hosted image URLs."
}

What the leaf hashes

{"body":"05a6112eb11e1721d858b71f288b1beebd3ece834f0cd7ee785045be38234dc8","id":63788,"kind":"listing","method":"baseline/1","observed_us":1793025455439150,"prev":null,"subject":"x402_bazaar:https://agents.withzero.xyz/zcj/1t7d6v5vh667/api/v1/image/images/nano-banana-2","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. 0x050fedfd9c4d7e04967c1d40b8c2b7d93d0b785ad50ec395896f9a39ff85b478
2. 0x0c03f42bcb153f6e16ebc2924487b1a5db53471cc8599dbb7464e9dfccf014eb
3. 0x82403ceadcc1d8e47e234561dea8e334953c9dbac5e1fc23414fd0ba0ae76262
4. 0xfa2b8645b2c505c91369a53e5d66b6a138c8b9f07f04f88bae47b84c2dc78849
5. 0x065a1d3d5a8d0fb586d7c578f6df4d920095c2a06c5e486a1c7bf8c6b7d1fede
6. 0xa195d47b2cb3b077ffe51e591fb5ee14147dc2e2b36daaf3301ec29c82f01be6
7. 0x2c12736f99bc24e461b2277628c421eb40aded3daa8691142eff9245962ed610
8. 0x746b56a6cecf58474388c547d3ccc14448a017fb373ee9e65b013039c31fa57a
9. 0x55411d837fa5bfd1696efec1261444e84a8d06104258055f86abb3f74e848f90
10. 0xa3fd99b4d14aebe36a36910f38fbd23ee9ab7b5d169eb4cf8da16b4084155357
11. 0xbc986b35695070cad9d398880439ec872b3a6634ffe7036fde0d0dfde7eabfda
12. 0x23033d81d9f4be06225e4276d276e0e8e02abc173d156a1b9a8fd5e4803ad199
13. 0x610fdf3e989af0a6b4a400a3a8aab9156d757f8c96efe4e9d0594dfd04de1cc0
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae