Evidence row 460871

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": "10",
          "l30DaysUniquePayers": "4"
        },
        "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":"e8faa4b8974226bcfe26221c6eb64714d1a4441d4f392e48776a75dac15e7312","id":460871,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793101488589165,"prev":452760,"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 2026-10-27 (273461 rows).

1. 0xc6c81e2e4fa98b4e11816f2d8cb677713ba43c3a97c8cf1a6b3b2862a954a0de
2. 0xd76243d9f38a9de64c9cd975910d31d13b67f21cf8707af122fc5234d706a3fc
3. 0x02d119c8a6a22dcec1fe75eeb46afc2879479e77b5a75a5a1d47b3fc129867e2
4. 0x5b9c3d72c6c319263c071deb9368dcc9f77e228b2193c99ec3dcdd2397ff9aac
5. 0x4dd8ae9a04411025b8eec9fd0eb8bd134d7fb05faf553cd045e64a437e2d46a7
6. 0xed9c10c30652d5f19832dcfab3e498d368e65b807bf888c71dd55509f9c86ab0
7. 0x2264f0b5d0b4687177f7ca09896793be7057ace97c54757dd2aa780c05b4905d
8. 0xf0a817e08b1de9ec8c0bd5df4754befe5032efcec286658f88a63eb6d6ccb851
9. 0x045787a220cdb8e75c8089a7e159a4afec4e2b3b29e09a601df0f29f12a041e5
10. 0x171eeb42bb88c40999289e290064a4d2d2ec29953d59717a1d7d637ecada8ef3
11. 0x297ecfcb0fbe8e5c8ae9241bceaf75704fe96c81fd1cc17d8647fe36659849a5
12. 0x579274645af30f881c6ffa5eae0da4929a7645c54a24d58a51e98be31e70dd57
13. 0x72d49c3472216d5e76117068ea9a2a5f617bdb2ffda241f677ce8098a0219dfc
14. 0x077edf0f29e2a3aa19c876439830696b88f0236fd0b2a3c43c76f38cdd29bb2b
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4