Evidence row 785415

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://47620.xyz/x/util/qr"
    ]
  ],
  "name": "47620 Utilities API",
  "owner_address": "0x7f4ce6c23f851f13b386efdb22fe0d09821b9d53",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "caip2": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "description": "Generate a QR code for any text/URL and return it as an inline SVG (and a base64 data URI). Query: ?text=<content> (required), size=<px per module, default 6> and margin=<modules, default 4>. Pure CPU, no external service.",
        "extra": {
          "assetSymbol": "USDC",
          "currency": "USDC",
          "feeBps": 100,
          "grossAmount": "0.002",
          "merchantNetAmount": "0.00198",
          "platformFeeAmount": "0.00002",
          "platformWallet": "H6aHbPXMFtrJtRBMxjk151mgtYUXVyVHE34QM2BTYqVF",
          "tokenMint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
          "usdPrice": 0.002
        },
        "maxAmountRequired": "2000",
        "maxTimeoutSeconds": 120,
        "mimeType": "application/json",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "8iZbjedTiMYVYGE9PZBHPm7k2KeXRqWAuCpSAxHm7j68",
        "resource": "https://47620.xyz/x/util/qr",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "caip2": "eip155:8453",
        "description": "Generate a QR code for any text/URL and return it as an inline SVG (and a base64 data URI). Query: ?text=<content> (required), size=<px per module, default 6> and margin=<modules, default 4>. Pure CPU, no external service.",
        "extra": {
          "assetSymbol": "USDC",
          "currency": "USDC",
          "facilitator": "https://facilitator.ultravioletadao.xyz",
          "name": "USD Coin",
          "tokenAddress": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "version": "2"
        },
        "maxAmountRequired": "10000",
        "maxTimeoutSeconds": 120,
        "mimeType": "application/json",
        "network": "eip155:8453",
        "payTo": "0x7f4ce6C23F851F13b386EFdb22fE0d09821B9d53",
        "resource": "https://47620.xyz/x/util/qr",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "caip2": "eip155:137",
        "description": "Generate a QR code for any text/URL and return it as an inline SVG (and a base64 data URI). Query: ?text=<content> (required), size=<px per module, default 6> and margin=<modules, default 4>. Pure CPU, no external service.",
        "extra": {
          "assetSymbol": "USDC",
          "currency": "USDC",
          "facilitator": "https://facilitator.ultravioletadao.xyz",
          "name": "USD Coin",
          "tokenAddress": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
          "version": "2"
        },
        "maxAmountRequired": "10000",
        "maxTimeoutSeconds": 120,
        "mimeType": "application/json",
        "network": "eip155:137",
        "payTo": "0x7f4ce6C23F851F13b386EFdb22fE0d09821B9d53",
        "resource": "https://47620.xyz/x/util/qr",
        "scheme": "exact"
      }
    ],
    "description": "Generate a QR code for any text/URL and return it as an inline SVG (and a base64 data URI). Query: ?text=<content> (required), size=<px per module, default 6> and margin=<modules, default 4>. Pure CPU, no external service.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "fetchedAt": "<iso>"
              },
              "endpoint": "util-qr",
              "ok": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "fields": {
                      "description": "Optional comma-separated top-level response keys to keep (e.g. \"health,slot,solUsd\"). Omit for the full payload.",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "additionalProperties": false,
              "properties": {
                "example": {
                  "additionalProperties": true,
                  "properties": {
                    "endpoint": {
                      "type": "string"
                    },
                    "ok": {
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "ok",
                    "endpoint"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "example"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T14:38:16.67Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-25T14:38:16.245Z"
    },
    "resource": "https://47620.xyz/x/util/qr",
    "serviceName": "47620 Utilities API",
    "tags": [
      "util",
      "qr",
      "qrcode",
      "image",
      "tools"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Generate a QR code for any text/URL and return it as an inline SVG (and a base64 data URI). Query: ?text=<content> (required), size=<px per module, default 6> and margin=<modules, default 4>. Pure CPU, no external service."
}

What the leaf hashes

{"body":"c62770953a308e13af3ef82b9d40a7bec309fdaf1bf42fa42f6493113da4518e","id":785415,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793211222339180,"prev":60640,"subject":"x402_bazaar:https://47620.xyz/x/util/qr","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x027396a9fe24077ddd559228414972acc7fa32a7ff2b9b914542b5479166db39
2. 0x68e5f963429472a6f2469272d4a5e0711fa30ad3282d0d050767c14203a62cc7
3. 0xfb589d29e89915a5ca94c7810413e4666ed933696cc75874f7e413b8da1bd4fc
4. 0x6c15a260a4306fa0c7c9d49fbc52a2a5e6c8bb63cddadb610632e1f8214377b4
5. 0xa305a9c1b3989ee0ad98378e5997ae37fe5c082c18031e8cac17426dc921c589
6. 0xd92353e855b1c785741dc8d95f6e560248ab1f94da61b9a0f47d59ade5608c5b
7. 0xd31c9fefb3db06a1d305387d578ec655aad72bd9d68fa6e5ab277fe4bc7d5619
8. 0x45b38ee3ee4c2484e380546ac1a1a18fd4477f7a36935cfa860237e8798ee136
9. 0x756a011f312b17c631f84c27b474675533a4606f21767f3f0918e3c7e3eced4b
10. 0x60f5ec6e04c4b398486b9d3af147a7f188bc5b5e292a94c5e242dc1d36aad5f7
11. 0x4d063fbb95fa59991f4fa9f0c9122c91d7dcc03fd89120c3f96e090281054f3a
12. 0x4ae338fa3fa21a954c13d3408e2ae6f6fa590f6c5b259c3be272c01c49d61dff
13. 0x2748717dc805010a80117b9368e06da73797779c05701bb29fa2d6d90fbc4b98
14. 0xf3fd571846115a5778f2f20ec53a7e9b272de5f8737a627379966b3745ad5e29
15. 0x2d4bed6c1c0f427d29eba935cdedcc76c72935d41919903a3b217a8ffca38438
16. 0x35e8995c30094446ec790423171382fccb377081b921295b0ae3840cc2c4f52c
17. 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae