Evidence row 279533

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x-402.online/v1/email/verify"
    ]
  ],
  "name": "api.x-402.online/v1/email/verify",
  "owner_address": "0x2c871c2b8876dc35e9e19646fda5abf1cd27735f",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2c871C2b8876dc35e9E19646FDa5ABF1cd27735F",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "3tvSUk2R16rrL4eo2diYpMUsBH1wa3tafqJE44x3bVgs",
        "scheme": "exact"
      }
    ],
    "description": "Check whether an email address is well-formed and its domain can receive mail, before you send. Five DNS checks on an email address, no message sent: syntax, MX presence and hosts, SPF record, DMARC policy, disposable domain, role address. Returns deliverable as NO, RISKY or LIKELY. It does not open an SMTP session and says so: mailbox existence is explicitly not c…",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "email": "someone@example.com"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "checks": {
                "disposable_domain": false,
                "dmarc_policy": "reject",
                "mx_present": true,
                "spf_present": true
              },
              "deliverable": "LIKELY"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "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": "2026-10-26T13:41:53.91Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-26T13:41:53.799Z"
    },
    "resource": "https://api.x-402.online/v1/email/verify",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Check whether an email address is well-formed and its domain can receive mail, before you send. Five DNS checks on an email address, no message sent: syntax, MX presence and hosts, SPF record, DMARC policy, disposable domain, role address. Returns deliverable as NO, RISKY or LIKELY. It does not open an SMTP session and says so: mailbox existence is explicitly not c…"
}

What the leaf hashes

{"body":"25f2d45578c4057d0c13cc75c757e8fa9cf30501c0e4e7e0692c9924816e6413","id":279533,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042319244160,"prev":64744,"subject":"x402_bazaar:https://api.x-402.online/v1/email/verify","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. 0xcb08cf6c41483472a34634039d123e0a1288e532b9fdb3579e71b80dd0536dd0
2. 0x401e452246af80177a4c5377ac16296e6971328a3cbd0fe1559be0fd25e63fa4
3. 0xc03ca7543c8f1b0a6e8bd9133ee46c80e01631ada1cd333f89757a0a5d26dd7c
4. 0xa6d74ed383c6158e33767b57201dfbb399076b6a50b173c11790b54f10982f56
5. 0x7825920da9abdbefcde7465b95ed2626754bb879427bde37478303633e1582f6
6. 0x381fc2d9878848a45a2659bd2940e411134e8e2c25b48a71c81239d2ccea09bb
7. 0xf764cfb0fe3893160e38114baa165db89cbaef5a79c55129c41ab1b01fddb978
8. 0xb6bace605fd360da2c6c73e5667ed2942f4d76802a25f3b3c9e09090cdf8bed2
9. 0x00fbcc59345b153dcb2b8f8346c33167365a33678310565bab22cd4cf59deac1
10. 0x9789df0b68a0c56f96db447ac03549df4b97c545b493a676ef441af41eab593b
11. 0xd854065b5246baf332a9ace158b6f99219183612c97d95e881ab7a7e7fb3bd6b
12. 0x02a11c0460d1a42b6246e1c715f0c3098d82c39154a56e918e2c22b56ca2c978
13. 0x985acd37cc044d5aa6ad959194da8e91c81045df83517891ed92f1763a9ab825
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae