Evidence row 1791522

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://minty-sprout.onrender.com/v1/email-validate"
    ]
  ],
  "name": "Foundry",
  "owner_address": "0x11dced0487ca3e7d9032029dcb302253ccf4e0de",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x11DCED0487cA3E7d9032029DCb302253ccF4e0DE",
        "scheme": "exact"
      }
    ],
    "description": "Email validation: syntax, MX records, disposable domain and role account checks. Input: an email address.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "input": "someone@example.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "deliverable_guess": true,
              "disposable": false,
              "domain": "gmail.com",
              "email": "someone@gmail.com",
              "has_mx": true,
              "mx": [
                "gmail-smtp-in.l.google.com"
              ],
              "role_account": false,
              "valid_syntax": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "input": {
                      "description": "An email address",
                      "maxLength": 8000,
                      "type": "string"
                    }
                  },
                  "required": [
                    "input"
                  ],
                  "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": {
                  "properties": {
                    "deliverable_guess": {
                      "type": "boolean"
                    },
                    "has_mx": {
                      "type": "boolean"
                    },
                    "valid_syntax": {
                      "type": "boolean"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-31T22:31:34.999Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T22:31:34.788Z"
    },
    "resource": "https://minty-sprout.onrender.com/v1/email-validate",
    "serviceName": "Foundry",
    "tags": [
      "email",
      "validation",
      "verify",
      "mx",
      "disposable"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Email validation: syntax, MX records, disposable domain and role account checks. Input: an email address."
}

What the leaf hashes

{"body":"637efcd93b0e0b5cb5488ac6fe620963bec36f9b26dfec8a618bb24ace76d450","id":1791522,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559984920899,"prev":null,"subject":"x402_bazaar:https://minty-sprout.onrender.com/v1/email-validate","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x1f1d3e6a7f3c65e38cebe23d1931c9614328cc18cdd805c66e7ddc2cc78963ee
2. 0x022dfdf83bed5da28ca4bf07ec770d4ba7d7e184af89afa2625683a26d066295
3. 0xb39c17bf33a00f6f6895837f1a473a5a651a2e47024b6680260cd4359639474b
4. 0xbcfbf345f5cab2144dcd2f664a21bdacbacd010741943e759d585ede1023695d
5. 0xac275a51b693d0b5bd90dee1cfe29ad9a47a63975bb9822bedc5d52492d388ac
6. 0xa351c47ca74b909c37a9d099cc8b629f78a626d17e682197a50d6a46eeae8afd
7. 0x963cd6e1c914ab77b2b18f71cec55ea00fc58475b94138aeb483a3c5f885a654
8. 0x1de149d877e4df8c83679de77e555f9e49409e0bb9a28f2a4a0a42cc8143f56c
9. 0xadfbe9a0c73b4b7443202054f14cbafbdbdda5f4768377e9fd1b2ed5e8998619
10. 0xe294b518d4828eb54d720d686f5300b3199c94a1426451e1c99979d0471c67e5
11. 0x3d983cbd3b9d176614b20025632e28a49c5d6496b811f38a0718938105e4f9cd
12. 0xc406b2ad2b09fed9c24c44f3ea252b9d83650f7be0ad7c06e82029d1bd2fb859
13. 0xae521539711ad5a91adbe0dd002003819ce70e53b6a96152851758fc41b75098
14. 0x175afd1319b72670e83bf74eef6f87ab2173061f5bacdfe981a6b0789c963022
15. 0xb9d6fdc8e6fb3f4feffa2c18849d74fc34d8708b574a778ae149241a90aaf20b
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90