Evidence row 1791448

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://minty-sprout.onrender.com/v1/qr-code"
    ]
  ],
  "name": "Foundry",
  "owner_address": "0x11dced0487ca3e7d9032029dcb302253ccf4e0de",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x11DCED0487cA3E7d9032029DCb302253ccF4e0DE",
        "scheme": "exact"
      }
    ],
    "description": "QR code generator: PNG data URI and SVG for any text or URL. Input: the text or URL to encode.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "input": "https://example.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": "https://example.com",
              "error_correction": "M",
              "png_data_uri": "data:image/png;base64,...",
              "svg": "<svg ...>",
              "version": 2
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "input": {
                      "description": "Text or a URL, up to 1,500 characters",
                      "maxLength": 8000,
                      "type": "string"
                    }
                  },
                  "required": [
                    "input"
                  ],
                  "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": "2026-10-31T23:09:16.74Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T23:09:16.552Z"
    },
    "resource": "https://minty-sprout.onrender.com/v1/qr-code",
    "serviceName": "Foundry",
    "tags": [
      "qr code",
      "qr",
      "generator",
      "image"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "QR code generator: PNG data URI and SVG for any text or URL. Input: the text or URL to encode."
}

What the leaf hashes

{"body":"207aafa5034e781cd9fd8b223825cee12daf39623e05e3d81c295b7e90097445","id":1791448,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559984676497,"prev":null,"subject":"x402_bazaar:https://minty-sprout.onrender.com/v1/qr-code","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xe2950b6bf8baabf2d3a59118a9ee3f9e908b929de9430b0f7dbeffb941b36ef2
2. 0xe03b9f30fbdbd3e8f65ec04377034b9fd9f83b5fa25e26a3b716df068fe0c2f5
3. 0x086369b740b5c26896e0b053d3bcbaaedc1804c7016dd16f5cd7075fc7deceee
4. 0xa17d41878a4486882e2a72c4ac68ed8a467dc608f7326fbeb01c97301393af77
5. 0x05d64cba39584fa593fc0f4e7214ed5b887bfaae23f3d3ef068608c7c7b8c5b7
6. 0x40899c5a6b361581e32019e7bac6c906f7f5a93ec6974f590d51a59d0de4343e
7. 0x61e80892345e9d05a1212a36bf1221e9cdda975d51a4a1a9820d539e33402090
8. 0xfa93a48d86ba20e1ebd66b4506b78f54d938b96a8def68e5c45255f14ff14392
9. 0xdab27bb3cb0c88955aabf8fee255c115ed1deafed041baec47d7198f03bd891b
10. 0xd87ba2b61ca26945cfe6a800588212ae18b5e902f3733716f9f34e5163c18474
11. 0x2de20f493130a51294a758075e0aea66668048139b2aa835e47cbd33453ff2b0
12. 0xe7fd38eb5836ea92b3c740bc2f5fb1653bb77910129fc628b2af73e09c327a44
13. 0xa567f95bd997bb1c25b24e0f3d37b6136018cb58573839158ad2a42dc344d758
14. 0xf25ae803bf30c21cc73fca60cb3edf50df2a8c71b23bfe8c11bfe395b2367892
15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90