Evidence row 118942

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://qr.openverbs.com/v1/barcode"
    ]
  ],
  "name": "Generate barcode",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Render a barcode (Code128, Code39, EAN-13/8, UPC-A/E, ITF-14, DataMatrix, PDF417) as SVG or PNG data URL.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "format": "svg",
              "scale": 1,
              "text": "example",
              "type": "code128"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "format": {
                      "description": "Output format. Defaults to svg.",
                      "enum": [
                        "svg",
                        "png"
                      ],
                      "type": "string"
                    },
                    "height": {
                      "description": "Bar height in mm (linear types). Defaults to 10.",
                      "maximum": 100,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "includeText": {
                      "description": "Print the human-readable value. Defaults to true.",
                      "type": "boolean"
                    },
                    "scale": {
                      "description": "Module scale. Defaults to 3.",
                      "maximum": 10,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "text": {
                      "description": "Value to encode (numeric symbologies require digits).",
                      "maxLength": 512,
                      "minLength": 1,
                      "type": "string"
                    },
                    "type": {
                      "description": "Barcode symbology.",
                      "enum": [
                        "code128",
                        "code39",
                        "ean13",
                        "ean8",
                        "upca",
                        "upce",
                        "itf14",
                        "datamatrix",
                        "pdf417"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "text",
                    "type"
                  ],
                  "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"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-05T12:25:44.296Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-05T12:25:44.022Z"
    },
    "resource": "https://qr.openverbs.com/v1/barcode",
    "serviceName": "Generate barcode",
    "tags": [
      "generate barcode",
      "barcode generator api",
      "create code128 barcode",
      "ean upc barcode",
      "datamatrix barcode"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Render a barcode (Code128, Code39, EAN-13/8, UPC-A/E, ITF-14, DataMatrix, PDF417) as SVG or PNG data URL."
}

What the leaf hashes

{"body":"87df085bd585df10eb195d806625c3eb4827e4125c5f3e45368fa3ec6ebd42c6","id":118942,"kind":"listing","method":"baseline/1","observed_us":1793025614043265,"prev":null,"subject":"x402_bazaar:https://qr.openverbs.com/v1/barcode","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. 0xe5bc97f9dd7a31e9eaf17ce8a1afefe30979585ee9138738a2ba2da0fbf0e478
2. 0xfc45da37357a96b3d147a7be1cefff8ac7c7edf8c3920671338b4a6c7b7b1bfd
3. 0x988aaef1f126cc2ca7dd630cfffe17648bd5aa06590b3e2409daa7d14d8cff3e
4. 0xbd5b73523f6c2d5958d59b2f06b8b3bf88cd83c0b99c7089dff0cfda0da011bc
5. 0x6a3002c6b4ea881a8215c55dd06f67424cb04cd2d3e12375bb12e1494375c7d0
6. 0x8803fffb9fe34a94cd068dcd4f8c52a692858339054da3bb6335f25a0ea8a87d
7. 0xfafd26a3ed1b153940346a0a474215c1c674b29796b23406bcadb0d005a65370
8. 0x331d672941fac5316dbaf557812c08cfca1f2503e4cf7fd653a1b7a2c2c33dc1
9. 0xf7b3c9a103586a2e800787fbf56873924ac3cb3ce7d24cd2aec0f5f48287e347
10. 0xcbd148ef9ef69a55476f415c8c65fbd198c86afa61a13e712804c482ee3c6193
11. 0x29ce97b519f8e4dff85ae3006efb1220983d391295891bc9cbd27db51c46ec37
12. 0x2fc38b57208d692aab1ee89b6e26917df292126314027c27360c5644a63fd0bc
13. 0xc0924a0807e534382f518663123231c317124338831a2b310de2c17b09677086
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae