Evidence row 527022

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://base64encode.use.x402atlas.com/base64-encode-url"
    ]
  ],
  "name": "URL to Base64",
  "owner_address": "0x8c128f1ee62bb5e47867cfbae2ad89be325df1b2",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "merchant": "x402Atlas",
          "name": "USD Coin",
          "tier": "standard",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "merchant": "x402Atlas",
          "name": "USD Coin",
          "tier": "standard",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "merchant": "x402Atlas",
          "name": "USD Coin",
          "tier": "standard",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "merchant": "x402Atlas",
          "tier": "standard"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
        "scheme": "exact"
      }
    ],
    "description": "Fetch any public URL and return its content as base64 with the content type and a ready-to-use data URI. Embed images, PDFs and files directly in LLM and API calls without downloading them yourself. Clean JSON.",
    "extensions": {
      "bazaar": {
        "category": "utilities",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "url": "https://x402atlas.com/apple-touch-icon.png"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "base64": "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=",
              "content_type": "image/png",
              "data_uri": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=",
              "final_url": "https://x402atlas.com/apple-touch-icon.png",
              "size_bytes": 68,
              "url": "https://x402atlas.com/apple-touch-icon.png"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "url": {
                      "description": "Public URL of the file to fetch and base64-encode (image, PDF, any file). Absolute http or https; private, loopback and link-local hosts are rejected. Content over 4 MiB is refused. Defaults to the example URL when omitted.",
                      "format": "uri",
                      "maxLength": 2048,
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "base64": {
                      "description": "Standard base64 with padding of the fetched bytes, no line breaks.",
                      "type": "string"
                    },
                    "content_type": {
                      "description": "Media type without parameters; application/octet-stream when the upstream sent none.",
                      "type": "string"
                    },
                    "data_uri": {
                      "description": "data:<content_type>;base64,<base64>, ready to embed.",
                      "type": "string"
                    },
                    "final_url": {
                      "description": "URL after redirects (equals url when none).",
                      "type": "string"
                    },
                    "size_bytes": {
                      "description": "Decoded byte length of the fetched content (at most 4194304).",
                      "type": "integer"
                    },
                    "url": {
                      "description": "The URL as given by the caller.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url",
                    "final_url",
                    "content_type",
                    "size_bytes",
                    "base64",
                    "data_uri"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "base64",
          "url",
          "fetch",
          "data-uri",
          "encode"
        ]
      }
    },
    "lastUpdated": "2026-10-27T10:04:10.002Z",
    "quality": {
      "l30DaysTotalCalls": 11,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-27T10:04:09.894Z"
    },
    "resource": "https://base64encode.use.x402atlas.com/base64-encode-url",
    "serviceName": "URL to Base64",
    "tags": [
      "base64",
      "url",
      "fetch",
      "data-uri",
      "encode"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Fetch any public URL and return its content as base64 with the content type and a ready-to-use data URI. Embed images, PDFs and files directly in LLM and API calls without downloading them yourself. Clean JSON."
}

What the leaf hashes

{"body":"e0344385baeec78b7a008cf409cba79a85a255a4b563fab96ec44e771065c710","id":527022,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124793554453,"prev":452085,"subject":"x402_bazaar:https://base64encode.use.x402atlas.com/base64-encode-url","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x4fe7b1702face071972464941096d59c860555551aece4106b3da9e2bd200150
2. 0x4688153e425f647a342aced57e2623282e2b4c82f19e73f3000e6db575cf3254
3. 0x8291b77bd0ed756c1a2e15a3c03a6c9cecc8f7f647c9504f442e9158f5a42504
4. 0x7ac82dec79803806bbd75d60fcf3a3445fa726ac76c1e1b78b268bf5530934a6
5. 0xc2d061eb6b0d5171996aaae21f1502a3af2de8f81bc315c2aee75abc10490025
6. 0x49f2a659448c39bdaf59860d5fc193a526176072959e5a5c9e6aa221ba12c4fc
7. 0xba4ae1dd21019deb18de8f401c6ab2cf0ea3c95272278d5b3ef66bcbf8e5af32
8. 0xaefe30b09084a8bef9e2f35ae249288827d2db6976a1fd96ec3055cb5e2dcffb
9. 0xf5a5178cf71007d95f468bb9e3d4f1774cb88b1cae891d381fb539ce41594dbd
10. 0x55987e06d3f19964f0665d2ed605e372cff77da1e925cd1737c5e1d5db3f27c5
11. 0x276968225b1bf2418a52894fa38834730d4be12dcec109ed0939a5b91c8e1799
12. 0x8762ddf9a7f6b156629a8a66fe575b878ee44cd59a7f0a583ec6db0a152d703b
13. 0x797da99476c7ebaa971607ae725e5e240b79de9e49d28859b94de107c850aaab
14. 0x9ea0c6a53f80a30b6f13671109f98a000cf98e581875129f4be4b57131d06364
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4