Evidence row 1784682

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.oldcolonyweb.com/v1/domain/mail-posture"
    ],
    [
      "x402",
      "https://api.oldcolonyweb.com/v1/email/batch"
    ],
    [
      "x402",
      "https://api.oldcolonyweb.com/v1/email/batch/50"
    ],
    [
      "x402",
      "https://api.oldcolonyweb.com/v1/email/verify"
    ],
    [
      "x402",
      "https://api.oldcolonyweb.com/v1/payment/self-test"
    ]
  ],
  "name": "api.oldcolonyweb.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "api.oldcolonyweb.com",
    "endpoints": [
      {
        "description": "For $0.003 per domain: bounded public DNS MX, SPF and DMARC observations; explicit unknowns and source names. No mailbox, deliverability, spoofing-prevention or security-certification guarantee.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example.com",
            "group": "body",
            "name": "domain",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.003",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "Old Colony Web Agent Services",
        "tags": [
          "domain mail posture",
          "MX records",
          "SPF record",
          "DMARC policy",
          "email DNS"
        ],
        "url": "https://api.oldcolonyweb.com/v1/domain/mail-posture"
      },
      {
        "description": "Email preflight 2–10 addresses for $0.003 per batch. Ordered syntax/DNS/MX/disposable evidence and explicit unknowns. Addresses processed, not intentionally logged in routine telemetry. No mailbox, deliverability or consent guarantee. Bazaar response example shows the first result only; actual response includes all items.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": [],
            "group": "body",
            "name": "emails",
            "required": false,
            "type": "array"
          }
        ],
        "pricing": {
          "amount": "0.003",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Old Colony Web Agent Services",
        "tags": [
          "batch email preflight",
          "email verification",
          "disposable email"
        ],
        "url": "https://api.oldcolonyweb.com/v1/email/batch"
      },
      {
        "description": "Email preflight 11–50 addresses for $0.005 per batch. Ordered syntax/DNS/MX/disposable evidence and explicit unknowns. Addresses processed, not intentionally logged in routine telemetry. No mailbox, deliverability or consent guarantee. Bazaar response example shows the first result only; actual response includes all items.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": [],
            "group": "body",
            "name": "emails",
            "required": false,
            "type": "array"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "Old Colony Web Agent Services",
        "tags": [
          "batch email preflight",
          "email verification",
          "disposable email"
        ],
        "url": "https://api.oldcolonyweb.com/v1/email/batch/50"
      },
      {
        "description": "For $0.002, privacy-conscious email preflight: submitted addresses and request bodies are not intentionally logged in routine application telemetry (full address still reaches our server). Inspect syntax, DNS/MX, listed disposable domains and provider typos; receive structured decisions. API reverse-proxy access logging is disabled; infrastructure/payment providers may keep records. No zero-retention, mailbox-existence, deliverability or consent guarantee.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "name@example.com",
            "group": "body",
            "name": "email",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "16",
          "l30DaysUniquePayers": "9"
        },
        "serviceName": "Old Colony Web Agent Services",
        "tags": [
          "email verification",
          "email validation",
          "disposable email",
          "email preflight",
          "email typo"
        ],
        "url": "https://api.oldcolonyweb.com/v1/email/verify"
      },
      {
        "description": "For $0.002, test a real x402 v2 exact USDC payment on Base and receive an intentionally simple JSON handler result. The successful final HTTP response and PAYMENT-RESPONSE header (not the body alone) are evidence of the x402 settlement flow. No refund, wallet-balance check, blockchain-finality guarantee, variable tip, data lookup or downstream action. Do not retry an ambiguous charge blindly.",
        "method": "POST",
        "parameters": [],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Old Colony Web Agent Services",
        "tags": [
          "x402 payment self test",
          "agent wallet test",
          "payment diagnostic",
          "Penny Wish"
        ],
        "url": "https://api.oldcolonyweb.com/v1/payment/self-test"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "api-oldcolonyweb-com",
    "integrationType": "",
    "isNew": false,
    "name": "api.oldcolonyweb.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.003",
      "currency": "USDC",
      "maxAmount": "0.005",
      "minAmount": "0.002"
    },
    "provider": "api.oldcolonyweb.com",
    "providerUrl": "",
    "serviceName": "Old Colony Web Agent Services",
    "tags": [
      "domain mail posture",
      "MX records",
      "SPF record",
      "DMARC policy",
      "email DNS",
      "batch email preflight",
      "email verification",
      "disposable email",
      "email validation",
      "email preflight",
      "email typo",
      "x402 payment self test",
      "agent wallet test",
      "payment diagnostic",
      "Penny Wish"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"8736601a322e629a0268b4db834cdfd3e5b0ffa307aa7b9aa026200cf251bd33","id":1784682,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793557133293787,"prev":460871,"subject":"agentic_market:api-oldcolonyweb-com","subject_kind":"source_record"}

Proof

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

1. 0x5ac74f3377b09eab33c29db4605de0cd5a992f12c9dab192a6953ab1548f6515
2. 0x874912c81dc82006371a18a9682514129bd9c20fb81994a6dddaaab368f52864
3. 0xf4e713b843599b0e9e46e0edd0cc57ad4c807fceb9f26387a4b0e10105a39d48
4. 0x3e0cd452db4329225689d0a945284498a36a7a76b3f2407a1b04365f0aed0646
5. 0xb8f5f60c125494598f25d982f34fc8635d6390056e67c69e9644e76dd2ef60ee
6. 0x5dcf1e6f9a8e2906abac240713fd380c86a9f0dcee0c85aeabe8dbc16e32ccd6
7. 0x1ebe826737e6962a951a3d72a75a3e066f79dd7e6bc6ba6f0961a34c09100b9f
8. 0xb1e9d7f574f2a0b00a22258b2456bb92eb164a2fd3f4a18e471165fe6cf0f4cd
9. 0x12fc4311fe8cc4e19b160557599cbc3b31a63f929eb80a30aeeb2c7ba7ecc63d
10. 0x1905c3c56b15cd543c4d0fa0b08e5ba2871dd498eabedb6dd29df48fb4fac6b6
11. 0x865cb1610fc4e975c96d890d77c39ebb99b2b1f30bb73ff6d0c1197e30221c6a
12. 0x40c734f9b777e35f9faf59b846ff350aa843d9d87ffb4038d4a3d1b4d14ae5bb
13. 0x34154efd66a20d7bdab9e04c4c0fb081722f2617f5931ba4d1e8c2c0ef3ba008
14. 0xa98b629d4ece4f8bd55becbb0c526d64cc8958c38de14f3aeccc5e2a5bc50974
15. 0xe622664153c4bb92e64b5edf8615a790cb48a8f528ac34b3faa4ef4dd70e05dd
16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90