Evidence row 418291

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.inboxguardstest.com/v1/email-check"
    ],
    [
      "x402",
      "https://api.inboxguardstest.com/v1/fix-plan"
    ],
    [
      "x402",
      "https://api.inboxguardstest.com/v1/report"
    ]
  ],
  "name": "api.inboxguardstest.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "api.inboxguardstest.com",
    "endpoints": [
      {
        "description": "Validate an email address before sending: syntax, MX, disposable and role account. $0.005 USDC on Base per call. Returns a verdict of ok, risky or undeliverable with syntax, MX, disposable (CC0 list), role account and free provider flags. Bad syntax returns 400, not charged. Don't use this for confirming a mailbox exists; no SMTP probe is made.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "jane@example.com",
            "group": "query",
            "name": "email",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "InboxGuards Email Test",
        "tags": [
          "email-validation",
          "email-verification",
          "disposable-email",
          "mx-check",
          "role-account"
        ],
        "url": "https://api.inboxguardstest.com/v1/email-check"
      },
      {
        "description": "InboxGuards Email Test: Email security fix plan: the exact SPF, DKIM and DMARC records to publish, with steps for your DNS host. Reads the domain's live MX, NS, SPF, DKIM and DMARC records, detects the mailbox provider and DNS host, and returns the exact records to publish in order (create / replace / keep, name, value, why): one merged SPF within the 10-lookup limit, DKIM records or the provider console path, and a staged DMARC policy (none -> quarantine -> reject). Non-sending domains get a lo",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example.com",
            "group": "query",
            "name": "domain",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "1",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "InboxGuards Email Test",
        "tags": [
          "email",
          "deliverability",
          "spf",
          "dkim",
          "dmarc"
        ],
        "url": "https://api.inboxguardstest.com/v1/fix-plan"
      },
      {
        "description": "InboxGuards Email Test: Email deliverability and security report for a real email you sent. 1) POST /v1/tests (free) for a one-time address + read token. 2) Send one real email to it. 3) GET this with ?test_id= and X-Read-Token. Report: SPF, DKIM (key size, alignment), DMARC, ARC, BIMI, sending IP rDNS + SpamCop, MTA-STS/TLS-RPT, one-click unsubscribe, headers, content, 0-100 score, top fixes. Not-ready/unknown tests: 4xx, never charged.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "abcdefgh2345",
            "group": "query",
            "name": "test_id",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "<read_token from POST /v1/tests>",
            "group": "header",
            "name": "X-Read-Token",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.05",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "InboxGuards Email Test",
        "tags": [
          "email",
          "deliverability",
          "spf",
          "dkim",
          "dmarc"
        ],
        "url": "https://api.inboxguardstest.com/v1/report"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "api-inboxguardstest-com",
    "integrationType": "",
    "isNew": false,
    "name": "api.inboxguardstest.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.351667",
      "currency": "USDC",
      "maxAmount": "1",
      "minAmount": "0.005"
    },
    "provider": "api.inboxguardstest.com",
    "providerUrl": "",
    "serviceName": "InboxGuards Email Test",
    "tags": [
      "email-validation",
      "email-verification",
      "disposable-email",
      "mx-check",
      "role-account",
      "email",
      "deliverability",
      "spf",
      "dkim",
      "dmarc"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"03b01211b181ed10caa74cbb8db1c87591c2b8c0d5576f6cf66a6ad0714bb7b4","id":418291,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793081071478841,"prev":408007,"subject":"agentic_market:api-inboxguardstest-com","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x915fcf314e8e671bafa0d4f8053e47a0570a521108b52dc561487d7d06cac6bc
2. 0x44aaf9227a3efe2814fd4d510457dae222c4737bc689b113d2cd0f8150be12c0
3. 0x1ffa33a66b4770d3784eef04a2219a8528801c366b811f57ca87ae2e2ce2fb69
4. 0x5828c1687c689ecee4e32f99e578bc25f91327f8e6f63e5c65893f1fb3a9c9ae
5. 0x5f8dab2875ec0c50f23af2ffc601d7269ded10686d4e25edf39a11775c56e406
6. 0x8fa33781020be06b18b0917c3f492aab2ddac5ba8659edb29a010ab341c7b731
7. 0x4ec610a7428037578a4c4c11bf6ab1b5ddb0295adcce417cadbf652387db9ccf
8. 0x724f59ad88f1bc61d16aa1614261b9fd2c4f86ef92e926966b3ff755543b7c3c
9. 0x9f82606a337d6993f0fc17e83f960f050a98f1049ff4eed99e6a6b0d3e327eab
10. 0x2ab0dbd7210c33af6218b1c006be07fbb68f58c4f020af15b26b474a81e50636
11. 0xe4e0761e46bc22777bc9e4a5791f18fb8244210f2d943234802b8ccdc8d058dc
12. 0xfd2b06953e26e4e360d929209ec04f8c67b7bbdc4861dbc60618fbc5f9b393f0
13. 0x5c9cbca5bb1d6be4d84e301b4e4c1a280536eb16ee98ed4add9057142c132dde
14. 0x06e3b43165f5b3c31d850bc32f20b2e25b844564c4e042c141b9748c26a5a600
15. 0xb4f7223140c8a36cb87a63d77cf617086d9968dc4658f03e102571ebe06e9ed6
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4