Evidence row 278682

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.mailsecuritytools.com/v1/email-check"
    ]
  ],
  "name": "Mail Security Tools",
  "owner_address": "0x2daf658b01e257206375798a15832e9f547d65dd",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x2dAF658B01e257206375798a15832E9f547D65dD",
        "scheme": "exact"
      }
    ],
    "description": "Validate an email address: syntax, MX, disposable and role account. $0.01 USDC on Base per call. Returns a verdict of ok, risky or undeliverable without sending mail. Bad syntax returns 400, not charged. Don't use this for confirming a mailbox exists; no SMTP probe is made.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "email": "jane@example.com"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "disposable": false,
              "email": "jane@example.com",
              "role_account": false,
              "verdict": "ok"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "email": {
                      "description": "Email address",
                      "maxLength": 320,
                      "type": "string"
                    }
                  },
                  "required": [
                    "email"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T14:54:09.174Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T14:54:08.606Z"
    },
    "resource": "https://api.mailsecuritytools.com/v1/email-check",
    "serviceName": "Mail Security Tools",
    "tags": [
      "email-validation",
      "email-verification",
      "disposable-email",
      "mx-check"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Validate an email address: syntax, MX, disposable and role account. $0.01 USDC on Base per call. Returns a verdict of ok, risky or undeliverable without sending mail. Bad syntax returns 400, not charged. Don't use this for confirming a mailbox exists; no SMTP probe is made."
}

What the leaf hashes

{"body":"c622721458658e0396fcbd36765d5c491be046d2ed832c1712e1fede2c64f7e7","id":278682,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042078493265,"prev":218781,"subject":"x402_bazaar:https://api.mailsecuritytools.com/v1/email-check","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. 0xd79d06bcff74cba4de2b2ce7f1b3f4472bfefddecfd5a52962c4befb4c1f21bd
2. 0x65a0e2280f2497510bf1328566b87a518324c1f4762215b6d7bbdec431f2b925
3. 0xd733e2bb2da548b2a169f3af50dffb91e8beac9161ebe2011701a75744db4bd7
4. 0x3d461086d4f377c2fee9a6471e87590ffc1154125bd73e4966b80120a96b61fc
5. 0xab8d6194a558ca3d669ae391ce19524b3e63207f44fa987397dd51865005480b
6. 0x311ecec42fb09f286a98f9caf52a59ec1a5a1b2e934786fd718a36b20478c7e4
7. 0xfef8cc42b827c47385fde8496df84846047e10953293cb4c5a3987bfdc31a0c5
8. 0x47381477ce0893c774555e3f57dde8329a7f6f627b0e2100ffa57ba44e14b359
9. 0x5e11af53e43c95306b5bec7a7eb4e86feafed8da8ae8d158e8ba26ce20f87a53
10. 0x4c6a4d003a4c8e394c82c8f16a5c6669cfbbac391218d8be2c13f5d5aa94e7a7
11. 0x681ef979e2591e4ee00c2230855c75508aa926b1abc5e4e5e6a9348a15261045
12. 0x39d84ffb833c94bfff15760ea7da987f5303e407884de386d5a33b2328c7d785
13. 0x3199db04c2c73c3483386a86bf503eafde5af103465608156e2e5f42e72a6fbe
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae