Evidence row 1510602

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-v2-mint-base64.vercel.app/v1/base64"
    ]
  ],
  "name": "x402-v2-mint-base64.vercel.app/v1/base64",
  "owner_address": "0xc22f9caebac37fe72d5142f35f21f6696ea9ef69",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xc22f9CAEBAc37fE72D5142f35f21f6696Ea9Ef69",
        "scheme": "exact"
      }
    ],
    "description": "Base64 encode/decode UTF-8 text (standard or URL-safe). Offline. Amp port.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "mode": "encode",
              "text": "Hello world from x402."
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "charged": true,
              "ok": true,
              "skill": "base64",
              "summary": "ok"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "mode": {
                      "enum": [
                        "encode",
                        "decode"
                      ],
                      "type": "string"
                    },
                    "request_id": {
                      "type": "string"
                    },
                    "text": {
                      "maxLength": 400000,
                      "minLength": 0,
                      "type": "string"
                    },
                    "url_safe": {
                      "default": false,
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "mode",
                    "text"
                  ],
                  "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"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-31T18:42:02.881Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-31T18:42:02.739Z"
    },
    "resource": "https://x402-v2-mint-base64.vercel.app/v1/base64",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Base64 encode/decode UTF-8 text (standard or URL-safe). Offline. Amp port."
}

What the leaf hashes

{"body":"fae77274c8afb407ed012fbc6c2f4979789e62d562ab7b044289567a14825d7a","id":1510602,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472839675412,"prev":1050602,"subject":"x402_bazaar:https://x402-v2-mint-base64.vercel.app/v1/base64","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x7f51c41f14f65c159b9abaf51b46153ce77d5d3db38aa0a799ddb39a824c76fc
2. 0xf07946bd7f0ce1348e5e1940d418dca6ccefb68b22ba87df5f4150b3dcc14fa9
3. 0xf5ecf479dedca66c3899053676304cea614188c9beec607f4f62ee300c6ba804
4. 0x4a240b976292a6b353534807bca64b83750b445777746bcb338a39cfeff8ad2b
5. 0xf43ae1046a66e4b7d4d1c289d74a9bcd635f22039aed1415af5ae6017e391e5b
6. 0x1f109541e4e7bc170d230933b0c8d281c171b3115859381f0c54924d344a8e75
7. 0x1f1a3b3c2080feb428ec3a5ad46ec65705ec2e2b8381467119cd1f20bb18d331
8. 0x584b4a95ebeb74347077bc9be603329575eea5f0c704eff568d4593a5f720f8d
9. 0x93bd01e8f5a54d779f876f1f67bac06ccd5a67b8e6ff7211575db89dd83f7b74
10. 0x7607a67dcf724be8cb0e6856cbae38491bcb24d8a16289b2ccf8792535e0024c
11. 0x1f548fdec9eb6eb2bdfcf14e677d22b0aafcfc6c7e4ce9e94ae31d5b466ff11b
12. 0xdfffa337c1b796d703a06a3c278ecc1115120a9e96b1b674c0942b855e8c05d1
13. 0x5da98004d63a664b48fb1cbdd3411495870573c4cdf283e78b4657e393085211
14. 0xa59dc4109e7747a67ff1c74b854a6a84d4177b254204f0623f549d72e4be7445
15. 0xb553c856ad5fb96dd995dd0c40f65a2d8efc7b7f254a1ac0f2c104350e544985
16. 0x919f237dec4df392868ab95f1d4300b185479ae64464cbc2e7385ad1fd6ab390
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0