Evidence row 2199105

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": "2026-11-01T22:07:54.191Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-11-01T22:07:53.759Z"
    },
    "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":"3490e03b98679ce5db0fd401230410265b4314b7507485d359e4497f7085292f","id":2199105,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646762009442,"prev":1788424,"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 2026-11-02 (444186 rows).

1. 0x1ce0e22889f5893b7657582bfc93b6442135982d797767527dfb45d5466de9c8
2. 0x2325f361c39b58ff88731557289bffa29e606b47436b256cdf63e38abb42086c
3. 0x4db0a01d7a0b0a41ebcb4d348ff5744b3a928458c9490581672fde717ff59ecc
4. 0xb5cbbecae11ad391be615285e593941293489ff7fa705511dfec11506a1d7285
5. 0x05856a90d5b18b05beeb0db53a11dd76f19077018bdfaffc63ab6e42148d8bf5
6. 0x95f95e9bff9d8a1ff12e223f5c386f4b621272f207efdfbc4631caef2768dc56
7. 0xb4ba36233e43f77e99334e43c5582c2438c95d94584ccb28b27831cbcb58f687
8. 0xebd510f5ae18e5541bf7454f0231a59dae76dce3ffda8ed7a827c85c3b02c17b
9. 0xc51fd4847ddb71c2396e633557a909318674cda31f814a89da38bd88d6c958fc
10. 0x35b7be1aebd65b161a90b5f8ee0c4bc3f5b2f9909d530453d65328ebc4ae4e03
11. 0x1958dba7b75c9cafc665741f77e7dcaa26c468963f73c107738b97fbcb474191
12. 0xfa646e4b5dbdebf795dfda0b29a3ea57332f8666459a0c2538f16fe8103169aa
13. 0xd6cbf3765149b25eba4e10fe21fd5993687ecdd3cb9c495f97c3c148afee08ed
14. 0xc63937235d47ff2107de3051477e395be67b96d91d1349c787bf4b1ef91b602f
15. 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af