Evidence row 74353

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://dt0ur.online/api/utility/base64"
    ]
  ],
  "name": "dt0ur.online/api/utility/base64",
  "owner_address": "0x7f520c845d5dc5e51a27699a1f098dc13aa789b7",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x7f520c845d5Dc5e51a27699A1f098dc13Aa789b7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "6PSaCVqWbKh5oYUEpHohs8krmLsRQDrnMzKvxAySGsQX",
        "scheme": "exact"
      }
    ],
    "description": "Encodes text to Base64 or decodes a Base64 string back to text.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "operation": "encode",
              "text": "hello world"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "result": "aGVsbG8gd29ybGQ="
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "operation": {
                      "enum": [
                        "encode",
                        "decode"
                      ],
                      "type": "string"
                    },
                    "text": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "text",
                    "operation"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "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": "2026-09-28T08:35:45.956Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-09-28T08:35:45.749Z"
    },
    "resource": "https://dt0ur.online/api/utility/base64",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Encodes text to Base64 or decodes a Base64 string back to text."
}

What the leaf hashes

{"body":"ced6e3fdb2436bc0b1f308217e0b880f6a0b2fe0b5068c30fc3b231bfce760ad","id":74353,"kind":"listing","method":"baseline/1","observed_us":1793025488834276,"prev":null,"subject":"x402_bazaar:https://dt0ur.online/api/utility/base64","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. 0x8ba73cb7f8b154b2aa5a5457e70cb4b407775768c78dc82a47ec4e333c5ec881
2. 0xbdbae2e4ea6eb544ae4d3999d86d882475a253f774299e82b54fa347992c8285
3. 0xdb3592fbb4f5ae396bae5c4a80237119555379676225f0915ad39d9717caa2b1
4. 0x18dab5c97d79eb9b52316ce1bb3618f1a3f9a53f6aa2d8207f704b2875c3ca5a
5. 0x68fbc035744bb99f590ff930a64fd45dbbfd1fbaee2f2a34d9318200541abe72
6. 0xb7111dde235dc59ad002ec069e5eb5c2baba832bcdd54ebc1adbfee00dbf3719
7. 0xca6d03e9a60c11b07edc1876565970af69deb310c686604e18525b3a74977b1b
8. 0x26857c5f5f364730225b89d3f3ec3237b62ca02479e4702e8f688a2d3949c2a7
9. 0x861d0cf10e7d4dfa5ba4b9f25cc35414dd6a51eea26966d00179aad4243bec2d
10. 0x6ddbfc11a7759e428ac6be29ebc89a10db0158bf96c5d141eb5c2695e3450573
11. 0xc0c39d9d8be0b7d600d3badab7754e326243b0d4eb60c4b5cd965d7d764d1d04
12. 0xfc86b2282cb8f91e68280efe01f3c50453c94fae2ef04af1a75d4b05d0af2b8f
13. 0xd5ec7ffaecac790d8adfa0620b0a5494758f862e3090b49e556a6ecbad2f0782
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae