Evidence row 30224

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://html.openverbs.com/v1/decode"
    ],
    [
      "x402",
      "https://html.openverbs.com/v1/encode"
    ],
    [
      "x402",
      "https://html.openverbs.com/v1/sanitize"
    ],
    [
      "x402",
      "https://html.openverbs.com/v1/strip"
    ]
  ],
  "name": "html.openverbs.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "html.openverbs.com",
    "endpoints": [
      {
        "description": "Decode HTML entities (named, decimal and hex numeric references) back into plain text.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example",
            "group": "body",
            "name": "html",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "HTML entity decode",
        "tags": [
          "html entity decode",
          "decode html entities",
          "unescape html text",
          "html entities to text",
          "numeric entity decoder"
        ],
        "url": "https://html.openverbs.com/v1/decode"
      },
      {
        "description": "Encode text to HTML entities so it can be safely embedded in markup. By default uses hex numeric references; set useNamedReferences for named entities (&, ©) or encodeEverything to encode every character.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": false,
            "group": "body",
            "name": "encodeEverything",
            "required": false,
            "type": "boolean"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example",
            "group": "body",
            "name": "text",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": false,
            "group": "body",
            "name": "useNamedReferences",
            "required": false,
            "type": "boolean"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "HTML entity encode",
        "tags": [
          "html entity encode",
          "encode html entities",
          "escape html text",
          "text to html entities",
          "html escape api"
        ],
        "url": "https://html.openverbs.com/v1/encode"
      },
      {
        "description": "Sanitize untrusted HTML to a safe allowlist. Keeps common formatting and links but removes dangerous scripting tags, inline event handlers and unsafe URL schemes. Ideal for rendering user-supplied HTML.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example",
            "group": "body",
            "name": "html",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "Sanitize HTML",
        "tags": [
          "sanitize html",
          "clean untrusted html",
          "xss html sanitizer",
          "remove script tags",
          "safe html allowlist"
        ],
        "url": "https://html.openverbs.com/v1/sanitize"
      },
      {
        "description": "Remove all HTML tags, returning the plain text content. Entities are decoded to real characters by default (set decodeEntities=false to keep them encoded).",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": false,
            "group": "body",
            "name": "decodeEntities",
            "required": false,
            "type": "boolean"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example",
            "group": "body",
            "name": "html",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "Strip HTML to text",
        "tags": [
          "strip html tags",
          "html to plain text",
          "remove html markup",
          "extract text from html",
          "decode html text content"
        ],
        "url": "https://html.openverbs.com/v1/strip"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "html-openverbs-com",
    "integrationType": "",
    "isNew": false,
    "name": "html.openverbs.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.002",
      "currency": "USDC",
      "maxAmount": "0.002",
      "minAmount": "0.002"
    },
    "provider": "html.openverbs.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": [
      "html entity decode",
      "decode html entities",
      "unescape html text",
      "html entities to text",
      "numeric entity decoder",
      "html entity encode",
      "encode html entities",
      "escape html text",
      "text to html entities",
      "html escape api",
      "sanitize html",
      "clean untrusted html",
      "xss html sanitizer",
      "remove script tags",
      "safe html allowlist",
      "strip html tags",
      "html to plain text",
      "remove html markup",
      "extract text from html",
      "decode html text content"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"a8badef2f6bc15160fae67a99dda26eddb060ab59c07dc5a195886fb8de3e335","id":30224,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793025362392729,"prev":2581,"subject":"agentic_market:html-openverbs-com","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x09766dc95df892770a85e93d6f064e9c66e4eec1992014ddecd8df5e6d3951f5
2. 0x8aa6e88f7033ea44aa5f6fad24471f659f4b2c215283f573bfc7f3759bb71acd
3. 0xc7ee195aa674004cb92013f0982b1c77b129f887acee795cf295c35fdfc3cb5a
4. 0xe510c81e9cac3030fe5ceb41e954e61ddb0605751f262640b8b2535b165da6f6
5. 0xacd347239015de07956e9063f744d527da32e51bce6de7ef41105b67e2fafc2d
6. 0x9e3dd75af5c8261963c9d1917263b17311c4182e378af4ede95dbfd55c707d83
7. 0x238fc1117591893552919f9a1b41f2d2ff530925421a87fc960b291db88212f9
8. 0x88118db0efdb28f9618ccf236b0e096fe3a62791d8433d859ce82456fe6a89b0
9. 0xfc2e059fb850922767dc49fd115e950532001ca78b2239800cee8077497d39be
10. 0x31de5c9c4a17610386cd10a6da460ea0ab73d655c0eada982d9b9aa8a43996f1
11. 0x31293c2261c535896c5ddb291cbd32a12a457794940e30c3d3e1ded3b9c739ce
12. 0x9e12233d6ee4faeb9271b0fc3c834797517d702f44add023149f28a0809c0aaa
13. 0xe5a836cf25a8dfc72c9e3b6a69a7561a1f61f50f9cf36707d36f6e926aa15dec
14. 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae