Evidence row 1508039

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://schemasure.com/v2/extract-image"
    ]
  ],
  "name": "SchemaSure",
  "owner_address": "0x9876af0f6d8ed5155cd02d1ca56d128601612690",
  "raw": {
    "accepts": [
      {
        "amount": "60000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x9876af0F6D8Ed5155Cd02d1ca56D128601612690",
        "scheme": "exact"
      }
    ],
    "description": "Extract strict, JSON-Schema-valid typed JSON from a PNG, JPEG, or WebP document image. Failed extraction calls are not settled. Always-paid x402 V2 image API.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "image": {
                "data": "<base64-encoded PNG, JPEG, or WebP bytes>",
                "mimeType": "image/png"
              },
              "schema": {
                "additionalProperties": false,
                "properties": {
                  "invoiceNumber": {
                    "description": "Invoice identifier exactly as printed.",
                    "type": "string"
                  },
                  "total": {
                    "description": "Final amount due as a number, without currency symbols.",
                    "type": "number"
                  },
                  "vendor": {
                    "type": "string"
                  }
                },
                "required": [
                  "invoiceNumber",
                  "vendor",
                  "total"
                ],
                "type": "object"
              }
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "invoiceNumber": "INV-2048",
                "total": 382.45,
                "vendor": "Northstar Supplies"
              },
              "meta": {
                "latencyMs": 910,
                "repairs": 0,
                "validated": true
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "image": {
                      "additionalProperties": false,
                      "properties": {
                        "data": {
                          "contentEncoding": "base64",
                          "description": "Base64-encoded image bytes without a data-URL prefix.",
                          "minLength": 1,
                          "type": "string"
                        },
                        "mimeType": {
                          "description": "Declared image media type; it must match the decoded file signature.",
                          "enum": [
                            "image/png",
                            "image/jpeg",
                            "image/webp"
                          ],
                          "type": "string"
                        }
                      },
                      "required": [
                        "data",
                        "mimeType"
                      ],
                      "type": "object"
                    },
                    "options": {
                      "additionalProperties": false,
                      "properties": {
                        "maxRepairs": {
                          "description": "Max validate->re-prompt repair iterations.",
                          "maximum": 5,
                          "minimum": 0,
                          "type": "integer"
                        },
                        "strict": {
                          "default": true,
                          "description": "Drop fields not present in the schema.",
                          "type": "boolean"
                        }
                      },
                      "type": "object"
                    },
                    "schema": {
                      "description": "JSON Schema (draft 2020-12) that the returned `data` is guaranteed to satisfy.",
                      "type": "object"
                    }
                  },
                  "required": [
                    "image",
                    "schema"
                  ],
                  "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": {
                  "properties": {
                    "data": {
                      "description": "Extracted value; guaranteed to validate against the request `schema`."
                    },
                    "meta": {
                      "properties": {
                        "deterministicFields": {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        "latencyMs": {
                          "type": "integer"
                        },
                        "repairs": {
                          "type": "integer"
                        },
                        "validated": {
                          "const": true
                        }
                      },
                      "required": [
                        "repairs",
                        "latencyMs",
                        "validated"
                      ],
                      "type": "object"
                    }
                  },
                  "required": [
                    "data",
                    "meta"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-31T07:39:27.007Z",
    "quality": {
      "l30DaysTotalCalls": 12,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-31T07:39:26.687Z"
    },
    "resource": "https://schemasure.com/v2/extract-image",
    "serviceName": "SchemaSure",
    "tags": [
      "x402",
      "mpp",
      "tempo",
      "structured-output",
      "ai-agents"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Extract strict, JSON-Schema-valid typed JSON from a PNG, JPEG, or WebP document image. Failed extraction calls are not settled. Always-paid x402 V2 image API."
}

What the leaf hashes

{"body":"e6806f2fd48dc0599e66e9fe1716e15b5ad773be0cd4060011c0555b6994b865","id":1508039,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472706650620,"prev":1261865,"subject":"x402_bazaar:https://schemasure.com/v2/extract-image","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x5621c790a87fbe2abd747235c6590303cc0aff10181762cfd3666bb9791c0087
2. 0x96939465e302e6cafd7ab9f96b7fe8f39ca7733f2942197e5968d147e6d99465
3. 0x6fd8f57409009bb992fffe999d989641a73885306ee0f43e7277540c46e9c29e
4. 0x08d0797c2125cc20055378c21a09f7f981dfef133ae4a9c36afe0da89c7c8522
5. 0x392481540f02204f682a51368626230f76f73c20a60e5128b5bedd261b35fba8
6. 0x9efa5f55678171e075031b2261eae499eb8a1335ba5942b7bae434f4948f1860
7. 0x4bdd77c037bc1a3948e56e437db7950c72e3137f8419cf70577b981ef94c1832
8. 0xc74b68fc031829899d174a6f82b9af79d19a51d1f07985d129716044251bf7e1
9. 0x94530b81e428aca9422fc7b88553b3173127e415a55c505bcad86d6f31ca8928
10. 0x7336eddc165eb53a379ec3348a5c73267c0406b02e51e00d6b141dcd1f28a3b3
11. 0xbd72e21939a9cf8bf99b3997f264f9fe3f71ebab3ef0c9ffef8f56354d7a97ab
12. 0xee0b074b77887b2ab9281fc3a7793abf8431983df0e0f8360acaa183d9e2cd1a
13. 0xa8adfe03e7bfd7580367f22d610544f01486dbc60cf68eb73feceed76cf862a1
14. 0x4491b6c04d316f311f7fea4ea34ae52fbca9c230259096575b403fb7b124627a
15. 0xb9a00c724331b305deaa876d5d2baf53b847ff3c7ce37abb0ae1653b2534aad5
16. 0xad4540f06e3fdfe46524d8592f8d854d4849e16217bc047eaf024f0abebe34b0
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0