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Evidence row 119706

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/email/validate
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
8da2d94c36d25b5cfb7535e310d718122d163f62b6ad87407dd77eaabd9dfbbd
Leaf
0xc39ac05ecfcd0434ea96bf3ffbcd74d52ad712c71132e1d53acd66606cd35927

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/email/validate"
    ]
  ],
  "name": "Saylor Innovations Net Checks",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:netcheck:email",
          "name": "USD Coin",
          "note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:netcheck:email",
          "name": "USD Coin",
          "note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:137",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:netcheck:email",
          "name": "USD Coin",
          "note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:42161",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:netcheck:email",
          "reference": "EZoqdeFdbjrXGWM5CZZsQEccdt4Dcix3ZQN1AKBKmPTF",
          "session": "eyJhcnRpY2xlSWQiOiJuZXRjaGVjazplbWFpbCIsInJlZmVyZW5jZSI6IkVab3FkZUZkYmpyWEdXTTVDWlpzUUVjY2R0NERjaXgzWlFOMUFLQkttUFRGIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0NzU1ODI1Mzh9.cowJdkKIsrAR4aHwfDKES4OXEQb4qLBsOAMtX4xvJuo"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:netcheck:email",
          "reference": "BAxJc15fzA71QFFzYQS2kVyZ8HZyvF25rjjpcC7XNxec",
          "session": "eyJhcnRpY2xlSWQiOiJuZXRjaGVjazplbWFpbCIsInJlZmVyZW5jZSI6IkJBeEpjMTVmekE3MVFGRnpZUVMya1Z5WjhIWnl2RjI1cmpqcGNDN1hOeGVjIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0NzU1ODI1Mzh9.suRg5YuMVsg8I82oqFlbnr4Xmm06mT1-TvVYlpr_Ufg"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "92609",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:netcheck:email",
          "native": true,
          "note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
          "quotedLamports": "95474",
          "reference": "EDoSGqrZpRdn2DPPcFwNoPWPsxjxoMmFJTcigH11B8rT",
          "session": "eyJhcnRpY2xlSWQiOiJuZXRjaGVjazplbWFpbCIsInJlZmVyZW5jZSI6IkVEb1NHcXJacFJkbjJEUFBjRndOb1BXUHN4anhvTW1GSlRjaWdIMTFCOHJUIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkyNjA5LCJleHAiOjE3OTI0NzU1ODI1Mzh9.DGDqnNmZ7I30PLOzdkk0tL_bjxzcXItPaKVhGRGV060",
          "solUsdPrice": 104.74
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Email address validation - syntax, MX records, disposable and role address detection and typo suggestions before you send",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "email": "jane@gmial.com"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "accepts_mail": true,
              "disposable": false,
              "domain": "gmial.com",
              "domain_exists": true,
              "email": "jane@gmial.com",
              "free_provider": false,
              "reasons": [
                "possible typo — did you mean jane@gmail.com?"
              ],
              "role_address": false,
              "suggestion": "jane@gmail.com",
              "valid_syntax": true,
              "verdict": "risky"
            },
            "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 (query)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "email"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "accepts_mail": {
                      "description": "Accepts mail",
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disposable": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "domain": {
                      "description": "Domain name",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "domain_exists": {
                      "description": "Domain exists",
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "email": {
                      "description": "Email address",
                      "type": "string"
                    },
                    "free_provider": {
                      "description": "Free provider",
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "local_part": {
                      "description": "Local part",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "mx_hosts": {
                      "description": "Mx hosts",
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "note": {
                      "description": "Caveat or context for reading the result",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "reasons": {
                      "description": "Evidence behind the verdict or score",
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "role_address": {
                      "description": "Role address",
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "suggestion": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "valid_syntax": {
                      "description": "Valid syntax",
                      "type": "boolean"
                    },
                    "verdict": {
                      "description": "Overall assessment derived from the listed reasons",
                      "type": "string"
                    }
                  },
                  "required": [
                    "email",
                    "valid_syntax",
                    "verdict"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790235422/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-20T05:51:02.584Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-20T05:51:02.2Z"
    },
    "resource": "https://saylorinnovations.com/api/email/validate",
    "serviceName": "Saylor Innovations Net Checks",
    "tags": [
      "email",
      "validation",
      "mx",
      "disposable",
      "deliverability"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Email address validation - syntax, MX records, disposable and role address detection and typo suggestions before you send"
}

What the leaf hashes

{"body":"8da2d94c36d25b5cfb7535e310d718122d163f62b6ad87407dd77eaabd9dfbbd","id":119706,"kind":"listing","method":"baseline/1","observed_us":1793025616389081,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/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 (296695 rows).

  1. 0xc39ab3f04c6cf6beafc3c11587e08a13344f531d399ea66ace03d53464918706
  2. 0x4e996600a7eca5834a13bf4db4781c3a333fa8fb338c3a5c84b673e39aa87d6d
  3. 0xeee66d0d6f6fdda93782961b25010698fb8021ba34c50e310dd9cd48633ea805
  4. 0x7fdc0ff1ada19855902b1783ae191e2c8a6a56c908cb504133a921b0c56e39b8
  5. 0xcdb583c451302c25b837414200e3141e294574494cb8da0e194fbcd028c7b4c9
  6. 0xed0ef545d3926119c60c1920394244caf5ad9ef10769e8b0f4ead94cfa4d0729
  7. 0x872b1069e5714e1dbfa33e224a3a37f95653351f7653f5a41e8a716dd05e747a
  8. 0x23a4bfe5e948f951192432bd5a0fe74690a1397f80d7c7384c2d6b938438f1b8
  9. 0xd54294e9745a9b26aa751765de1ee81a844406593071839918b48893a0fd4175
  10. 0xa56ccac8e5b8ffc81639f6fab8bcfeedbdbd26e42c2be18a450206dc53044b78
  11. 0x2cd92a66ffb802d7ebc327d20fe07925be80289ee1c2910e6818dc40c67f2487
  12. 0x63002f2569d43725bbf2d04d90ec9e6cf925c96b6dda5e7e220ecfbdd9c2444d
  13. 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
  14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
  15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
  16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
  17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON