Evidence row 2202305

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://payperwork.app/image/v1/generations"
    ]
  ],
  "name": "payperwork",
  "owner_address": "0x707117d13dfba0f091e909582021ab2a5465be3a",
  "raw": {
    "accepts": [
      {
        "amount": "47600",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x707117d13DFBa0F091e909582021Ab2A5465Be3A",
        "scheme": "exact"
      },
      {
        "amount": "47600",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "permit2",
          "facilitatorAddress": "0x772003A2E9c2cCC8af956870a37A66F64F8CEC38",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x707117d13DFBa0F091e909582021Ab2A5465Be3A",
        "scheme": "upto"
      }
    ],
    "description": "Image generation for agents: a prompt in, one image out (base64), on GPT Image or Gemini image models.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "aspect_ratio": "16:9",
              "model": "google/nano-banana-2.1",
              "prompt": "A paper airplane made of a dollar bill, flying over a city at dusk, soft light.",
              "resolution": "1K"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "created": 1793600000,
              "data": [
                {
                  "b64_json": "iVBORw0KGgo...",
                  "mime_type": "image/png"
                }
              ],
              "model": "google/nano-banana-2.1"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "aspect_ratio": {
                      "type": "string"
                    },
                    "model": {
                      "type": "string"
                    },
                    "output_format": {
                      "enum": [
                        "png",
                        "jpeg",
                        "webp"
                      ],
                      "type": "string"
                    },
                    "prompt": {
                      "type": "string"
                    },
                    "quality": {
                      "enum": [
                        "low",
                        "medium",
                        "high"
                      ],
                      "type": "string"
                    },
                    "resolution": {
                      "enum": [
                        "1K",
                        "2K",
                        "4K"
                      ],
                      "type": "string"
                    },
                    "size": {
                      "enum": [
                        "1024x1024",
                        "1024x1536",
                        "1536x1024"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "prompt"
                  ],
                  "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"
        }
      },
      "eip2612GasSponsoring": {
        "info": {
          "description": "The facilitator accepts EIP-2612 gasless Permit to `Permit2` canonical contract.",
          "version": "1"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "amount": {
              "description": "The amount to approve (uint256). Typically MaxUint.",
              "pattern": "^[0-9]+$",
              "type": "string"
            },
            "asset": {
              "description": "The address of the ERC-20 token contract.",
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
            },
            "deadline": {
              "description": "The timestamp at which the signature expires.",
              "pattern": "^[0-9]+$",
              "type": "string"
            },
            "from": {
              "description": "The address of the sender.",
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
            },
            "nonce": {
              "description": "The current nonce of the sender.",
              "pattern": "^[0-9]+$",
              "type": "string"
            },
            "signature": {
              "description": "The 65-byte concatenated signature (r, s, v) as a hex string.",
              "pattern": "^0x[a-fA-F0-9]+$",
              "type": "string"
            },
            "spender": {
              "description": "The address of the spender (Canonical Permit2).",
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
            },
            "version": {
              "description": "Schema version identifier.",
              "pattern": "^[0-9]+(\\.[0-9]+)*$",
              "type": "string"
            }
          },
          "required": [
            "from",
            "asset",
            "spender",
            "amount",
            "nonce",
            "deadline",
            "signature",
            "version"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:11:14.148Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-01T22:11:13.668Z"
    },
    "resource": "https://payperwork.app/image/v1/generations",
    "serviceName": "payperwork",
    "tags": [
      "ai",
      "image",
      "generation",
      "agents"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Image generation for agents: a prompt in, one image out (base64), on GPT Image or Gemini image models."
}

What the leaf hashes

{"body":"25ead34020d4f8393c4a92b81fff8a4b545e06bb60576e9558dbf17bd47b0fc5","id":2202305,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646814953459,"prev":null,"subject":"x402_bazaar:https://payperwork.app/image/v1/generations","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x6e7d35fae9527217a039a603271099401d6f389d595e3ee198e2a3e5de0a357b
2. 0xbddb0b60af305a22f5e8bc9de911cf0610a59603ef28fdf06ff19878991dc8cd
3. 0x9d3f8161bda8da7b41b3ab093a3718ffd5535464a7e492eba8e94e37f1bacf38
4. 0x890385279dbab327f95783b26aa87c30baef731e4090eecc9d8ee61440205c6f
5. 0xab76725c13344897bef143a7eb86dcd5aee45190c9731b8d754206e01be86f29
6. 0x6cf9ed4b5c30633d4139bef582f838bfc202734657a6b24399ff5162ac71f8fa
7. 0xc19915437b6d6854736edb62868398c79a45aa8eb2e4f6854fbca4a26c02f17f
8. 0x8f46049a5b93f4585de75d1963e4522d838e8fd3ea5c5cc44803767fe5ad388d
9. 0xf0da9e2daa9690337905b07d6d00ecb1873cbea8e67a2bc9597ed164320ea352
10. 0xfb6e19201a7e7f6f8b193ab61c1f71fcee4adfcc0054afd2e2a9e1bc86fc15d4
11. 0x397eb424ec9152f7b06395c903784c3d0d5aa7422c53711710d436bd1c3da79f
12. 0xa95c0aa60c534c116ea78dfa73cda3218c070929dd80984b74bd130bc0058f60
13. 0x9e9a25a642137f47c2c84b5e744fe2a673304740cc0eb165018b100bc5cbaf0c
14. 0xb903742c059190ddedc375958f73db84c3806732f1e54330407245d4734015f5
15. 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af