Evidence row 74868

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://encoding.openverbs.com/v1/transcode"
    ]
  ],
  "name": "Transcode between character sets",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Decode a base64 byte buffer from one character set and re-encode it into another (utf-8, utf-16le, utf-16be, latin1, ascii). Characters that the target set cannot represent, or bytes invalid for the source set, are clean 400s.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "bytes": "SGVsbG8=",
              "from": "utf-8",
              "to": "utf-16le"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "bytes": {
                      "description": "Base64-encoded source bytes.",
                      "type": "string"
                    },
                    "from": {
                      "description": "Source character set.",
                      "enum": [
                        "utf-8",
                        "utf-16le",
                        "utf-16be",
                        "latin1",
                        "ascii",
                        "utf8",
                        "utf16le",
                        "utf16be",
                        "iso-8859-1",
                        "windows-1252",
                        "us-ascii"
                      ],
                      "type": "string"
                    },
                    "to": {
                      "description": "Target character set.",
                      "enum": [
                        "utf-8",
                        "utf-16le",
                        "utf-16be",
                        "latin1",
                        "ascii",
                        "utf8",
                        "utf16le",
                        "utf16be",
                        "iso-8859-1",
                        "windows-1252",
                        "us-ascii"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "bytes",
                    "from",
                    "to"
                  ],
                  "type": "object"
                },
                "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"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T09:12:50.132Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T09:12:49.835Z"
    },
    "resource": "https://encoding.openverbs.com/v1/transcode",
    "serviceName": "Transcode between character sets",
    "tags": [
      "transcode charset",
      "convert text encoding",
      "utf-8 to utf-16",
      "latin1 to utf8",
      "decode base64 bytes"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Decode a base64 byte buffer from one character set and re-encode it into another (utf-8, utf-16le, utf-16be, latin1, ascii). Characters that the target set cannot represent, or bytes invalid for the source set, are clean 400s."
}

What the leaf hashes

{"body":"a3bfeb4d395bc1e98168186a372b73fe4f47bd091583b4482cb8afe04abcf197","id":74868,"kind":"listing","method":"baseline/1","observed_us":1793025489513450,"prev":null,"subject":"x402_bazaar:https://encoding.openverbs.com/v1/transcode","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. 0xa7fe8035adb1f97ac3bda84f1bfbdd7d24be09d3bb526cfe83ea6939473b1ea2
2. 0x09300cc3dfacba2767af338b6ab1a2bf9684dc5857a98b7f5aabb62a12f3db4a
3. 0xf8f34e7f195466e59ef90b0cb97d95dd9c1bdfe646b9931b9ce41af74886dcdf
4. 0x0c4416fd6481e5e601bbf8bc7f0680bd5a294ca52936c6dec5e79728cd438608
5. 0x12a1f439f0c13141a9310b39432951e3ecf95031659b1efdced822922bd296ab
6. 0x47c4d149254c555fed80f83d36cfb2be49de07ff10ae9adc5e36af5f93b9748a
7. 0x992c01241558fddaee2ed3b47409dfff6d6eb28a0b3dfa7dc99d67d639e89a66
8. 0x93973a2b62e96b66a33b6027a52ddcce96a8a8428a363c53daa8b011da93fa61
9. 0x93f0e31c577dfc4039aff255dd7b43cc68bd6d6dac196d73b92430f390718305
10. 0xbc494144c316ecbc246bcf3532ead29c081e1055e0681161e67d57dd59646765
11. 0xe5e83afe0ce08c2497f8492757a4767cf2409aaae2061487f80e1d45646872f8
12. 0xb31654882cc5704ae07fa6a4ad12ef5516ea95a5ec8b5affdbdbec199402e29a
13. 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae