addrbookFor publishers
← The evidence ledger

Evidence row 66162

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://api.fadeandco.workers.dev/api/agent-intel/highres-qr-code-generator
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d19e93ee56f12285e5b07c21f4da2b8dfd0299c815eecb09b1e36b567ea9c518
Leaf
0x385581ce71b25a6b6d74b7285c9ef4045f1dce398929e77855fb76b5cc0de913

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.fadeandco.workers.dev/api/agent-intel/highres-qr-code-generator"
    ]
  ],
  "name": "SiteCheck Agent Intel & Dev",
  "owner_address": "0xb8491f953e6860d3b5840b73c60883ff099ceafa",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "J8vnmBx4pS1X7UUBTfz1yWBKiw69Dj2yRGRHDaXBRdhR",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x3600000000000000000000000000000000000000",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:5042",
        "payTo": "0xa4751fCAa83c9669cfe507bb6807507729839be3",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:143",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x79A02482A880bCE3F13e09Da970dC34db4CD24d1",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:480",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:10",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42220",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
        "extra": {
          "areFeesSponsored": true
        },
        "maxTimeoutSeconds": 300,
        "network": "stellar:pubnet",
        "payTo": "GBIX2M7HNL2G2VYU5KZ446OSN55ZWHS3WBEUP4JTLS6R34VXIGTDOAFI",
        "scheme": "exact"
      },
      {
        "amount": "0.002",
        "asset": "524C555344000000000000000000000000000000",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "43ebe1e0-6e21-41b3-8a36-3fa47a5abdf1",
          "issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ",
        "scheme": "exact"
      },
      {
        "amount": "1545",
        "asset": "XRP",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "0235b933-b976-4583-b970-9a6e613bbf0c",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ",
        "scheme": "exact"
      }
    ],
    "description": "Makes a QR code as scalable SVG (21x21 modules, version 1) for up to 17 bytes at level L, 14 at M, 11 at Q or 7 at H, with the mask chosen by the standard penalty rules. Returns the SVG and a base64 copy. Larger versions are not supported; longer text returns 400.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "ec": "M",
              "text": "HELLO WORLD"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "checkedAt": "2026-10-23T09:35:23.075Z",
              "ec": "M",
              "mask": 0,
              "note": "Version 1 only. Checked against a published Reed-Solomon example and the format-bit rule; not scanned with a phone here.",
              "size": 21,
              "source": "ISO/IEC 18004 (hand-written)",
              "svg": "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 29 29\" width=\"232\" height=\"232\"><rect width=\"29\" height=\"29\" fill=\"#fff\"/><path fill=\"#000\" d=\"M4,4h1v1h-1zM5,4h1v1h-1zM6,4h1v1h-1zM7,4h1v1h-1zM8,4h1v1h-1zM9,4h1v1h-1zM10,4h1v1h-1zM12,4h1v1h-1zM13,4h1v1h-1zM14,4h1v1h-1zM16,4h1v1h-1zM18,4h1v1h-1zM1…",
              "svgBase64": "PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyOSAyOSIgd2lkdGg9IjIzMiIgaGVpZ2h0PSIyMzIiPjxyZWN0IHdpZHRoPSIyOSIgaGVpZ2h0PSIyOSIgZmlsbD0iI2ZmZiIvPjxwYXRoIGZpbGw9IiMwMDAiIGQ9Ik00LDRoMXYxaC0xek01LDRoMXYxaC0xek02LDRoMXYxaC0xek03LDRoMXYxaC0xek04LDRoMXYxaC0xek05LDRoMXYxaC0xek0xMCw0…",
              "version": 1
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "ec": {
                      "description": "Error correction level: L, M, Q or H (default M)",
                      "type": "string"
                    },
                    "scale": {
                      "description": "Pixels per module in the SVG, 1 to 20 (default 8)",
                      "type": "string"
                    },
                    "text": {
                      "description": "Text to encode as UTF-8 bytes; the byte limit depends on the level",
                      "type": "string"
                    }
                  },
                  "required": [
                    "text"
                  ]
                },
                "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": "2026-10-25T15:32:23.874Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-25T15:32:23.351Z"
    },
    "resource": "https://api.fadeandco.workers.dev/api/agent-intel/highres-qr-code-generator",
    "serviceName": "SiteCheck Agent Intel & Dev",
    "tags": [
      "agent-intel",
      "highres",
      "code",
      "generator"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Makes a QR code as scalable SVG (21x21 modules, version 1) for up to 17 bytes at level L, 14 at M, 11 at Q or 7 at H, with the mask chosen by the standard penalty rules. Returns the SVG and a base64 copy. Larger versions are not supported; longer text returns 400."
}

What the leaf hashes

{"body":"d19e93ee56f12285e5b07c21f4da2b8dfd0299c815eecb09b1e36b567ea9c518","id":66162,"kind":"listing","method":"baseline/1","observed_us":1793025460093531,"prev":null,"subject":"x402_bazaar:https://api.fadeandco.workers.dev/api/agent-intel/highres-qr-code-generator","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x3855654bb06617fc5d1772af7b327acb610d1386892f28e908a4e72199e26a2d
  2. 0x5036f1b0ce7868527dcb9649ae1b6fb3fd30a8eff98190345a9e571bf5d6e9b6
  3. 0xe130a0d16538e52508542e7da07cb181078e3889fc8eb76b5c0d044f09b6d01b
  4. 0x7cf2b18287c79e4e5ed33c972a6dc452a7621ccfcba42eb801cf267135ae71a6
  5. 0xcf071d632ec793b27b539b27e10aa512464e1fe3a9035557437c1d7a96536573
  6. 0x9bd4cccdd454cc2d576ee47e6b9a72a13d4082b30791e239c9c802fcf60fd966
  7. 0x10301e8aeccec0970f9b2f6f84c28c397f0cf205996ba29501b54f975532b29d
  8. 0xec5939662b557644aaa762934a3708f4983e48fc7b1b7bfc3227a5c31837fadc
  9. 0x583a9e55f075af10334f8012d200c60ed41ce3d6f86a186e8db2fea18657e21d
  10. 0x031f2a2dc62cc9f38303573e8a039474f21314f51a163809ee7f24e068275a95
  11. 0xac34ddbc48fae726d62603aa0121ea4aa01a5fe05b84c5335b25521c1e72ed07
  12. 0x8b23d34f6cd746f123b1e4d09449280800a81e00febe1fd9224b6802057238d5
  13. 0xdfc7a920beab71e6882e75c57bf136a5354c4ea989a35108a69046bc62059090
  14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
  15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
  16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON