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Evidence row 2202137

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://cheap-utilities.x402tookit.com/email-syntax
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
139e1fdcf5c8f9531b151224513072997264b8b7d44161a68b58741a61d87bd1
Leaf
0x6e1dcc881298b8880be83c65e52c325d6912810845e65a9bb567130fcd9fb9a8

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://cheap-utilities.x402tookit.com/email-syntax"
    ]
  ],
  "name": "Cheap Utilities",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Check email address syntax, role accounts (info@, admin@) and known throwaway domains. No DNS lookup, nothing sent.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "email": "Support@Example.com"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T01:25:50.431Z",
              "degraded": false,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "disposableDomain": false,
              "domain": "example.com",
              "local": "Support",
              "normalized": "Support@example.com",
              "notChecked": [
                "whether the mailbox or domain exists (no DNS or SMTP check)",
                "deliverability",
                "…2 more"
              ],
              "reasons": [
                "A shared role mailbox, not a person: replies and consent may behave differently."
              ],
              "roleAccount": true,
              "source": "computed locally",
              "summary": "Support@example.com is role account.",
              "verdict": "ROLE_ACCOUNT"
            },
            "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 to check",
                      "type": "string"
                    }
                  },
                  "required": [
                    "email"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "disposableDomain": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "domain": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "local": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "normalized": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "roleAccount": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:40:47.625Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:40:47.462Z"
    },
    "resource": "https://cheap-utilities.x402tookit.com/email-syntax",
    "serviceName": "Cheap Utilities",
    "tags": [
      "email",
      "validation",
      "syntax"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Check email address syntax, role accounts (info@, admin@) and known throwaway domains. No DNS lookup, nothing sent."
}

What the leaf hashes

{"body":"139e1fdcf5c8f9531b151224513072997264b8b7d44161a68b58741a61d87bd1","id":2202137,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646812735814,"prev":null,"subject":"x402_bazaar:https://cheap-utilities.x402tookit.com/email-syntax","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0x6e1e2ede6752028ef749fc154afa47e50960206120711dc908a42519f8fa29ea
  2. 0xb205df98d0ec8b293c587abb678c42ab2ed1e6ea202411e950558ceaf489fb52
  3. 0xc85ffc5e47c73f6fa9097de9a58288d9810ce55738bf2183da7122f66e0da9cd
  4. 0x6d1bb920fd6b7ba24a86497b6999d4eeff355432cddb533b993a7692618ae90c
  5. 0x979183837cdbc7853ec982b4456e366690c72275679ddad066330daef74b8955
  6. 0x2bd5ba6941568e8ce2cf77847ff55efc12b5cd027e1fab1814762894040982b0
  7. 0xc2eefb07453fb00ba350ed5c49cb8690a4e6a24059eaa47bc1a68dd05cf5e069
  8. 0xf60cad82541e0b2a39b760bab400db64aaa97977720a94e032613b3a5b2ab1c0
  9. 0x052202ae542f01b271fec63aa7e091655be1007a2b1b3c244a57d5c9153f5fcf
  10. 0xa843060da86d2f8215ecfad0a366992cd4f3241aeb78dc58d08bebc1da97129a
  11. 0x397eb424ec9152f7b06395c903784c3d0d5aa7422c53711710d436bd1c3da79f
  12. 0xa95c0aa60c534c116ea78dfa73cda3218c070929dd80984b74bd130bc0058f60
  13. 0x9e9a25a642137f47c2c84b5e744fe2a673304740cc0eb165018b100bc5cbaf0c
  14. 0xb903742c059190ddedc375958f73db84c3806732f1e54330407245d4734015f5
  15. 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
  16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
  17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON