Evidence row 2581

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": "2",
          "l30DaysUniquePayers": "2"
        },
        "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":"1eec8c847bc8df782c3793a566eb6b10b498cf3ca125d9c32b435e817294e5a9","id":2581,"kind":"listing","method":"baseline/1","observed_us":1793025266965914,"prev":null,"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. 0x94d1c10189bcd2c9ea573322e59500452b01a936ce92479f3f893a50ab06d443
2. 0x4ff65ee1b6ad87769db7378083656b8579b8e8bb7e5b22569c0eceb563ea1622
3. 0x043a3fc5797b51336309205b58e91a1378a75b81e686381ba43d35899e95d240
4. 0xd8f0f78d54ec28f7d6679184c269c18b66bf67333b93dc4dfe22ed44a8066006
5. 0xeda7c0cf5c0a216e6ea05e73203436d862bbd99268969a89cef30ce66abd9447
6. 0x0de98efd1b93f3bdd2efef76dd9c3faa066862cdb8d6e41d853eff3de774ef2e
7. 0xf8f304b22f58d07e6c04dcd2b05444d3d6032bdbcf7556290528967d8decddb2
8. 0xfd88f910629a68b632246577a5740b885cc5ef482998097614a96b50eaa2cd22
9. 0x6a6b1095c437b62e330ab2af870548945ced3c7eeae7c8902f8a976310db3529
10. 0xfca5467d5953b4b08155df6d4317c39463a5053953b4e733afa5ecfcb7e361e9
11. 0x4c1c9421c6648584bc5a6ac33a99ef69338fb841b9063ca93df8c027794ce0e5
12. 0x12169ac86722058ecf46a1b83c56e8b21899ab108a12c5a4429da74c5d191294
13. 0xb314422bc93e7f1c0b706c67f5fff96c5ddf74934bb2fe8ab6291ae016907e37
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae