Evidence row 60640

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": 3,
      "l30DaysUniquePayers": 3,
      "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":"93053d97bfcf44c4d4759a19cb7a111d20af0fc156620916a71d191a94bc7d2a","id":60640,"kind":"listing","method":"baseline/1","observed_us":1793025449114761,"prev":null,"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 2026-10-26 (296695 rows).

1. 0x0f619230b0ebd2e10c67d3229359055e80da190c8783ccf1f3822d61278b399a
2. 0xd0d7dc9eb2ef0251abcff1bf765f47b46ece3046382908fd6a739c6c8a19afef
3. 0xe50b8be70d47708645fc38141a1ba58d7d28142c6cfe7cdc342b56274b870758
4. 0xae8d2efb8d30ebb159fbaa3d1af490500aa444b8f967aebd889559de4a07b6ab
5. 0x9ac5e114ffd4415a4ac53b01675315d4850aa1ee831bf91bd7a4ddcab31ee4fd
6. 0xcaf92a9099a73a96966427c2cf48679eb24d77f5d4afe8f5280e72b341f71921
7. 0x4fdf5b87666b595c4583ef7e0b5157d71ef61b75af5557f72ad1dbc377e13d93
8. 0xe575f797880672f501bb64a690a9a064a92554e133dd555bfd45c810c39c0aaa
9. 0x6e6b252bf8a087bc1a0e21a556170f195e906fd9b7af4c48235dde22211d84e6
10. 0x7c17524419b776927e27a1512dd0a7873ae1e25d826c73cb4d7489898b9a9a4e
11. 0xb8387431db70826417a9bc1c445139bee1e0c5d359e4f9e2d85832f49bafe68b
12. 0x129649b2ec48fbc611fb055c3f5627bda42692beb65d09e853d75bcda4e06239
13. 0x294f7935f78a896b5f246a7c9a7ee1b023720acdb03fff3cd549c63479848ec9
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae