Evidence row 3959347

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://text.openverbs.com/v1/case"
    ],
    [
      "x402",
      "https://text.openverbs.com/v1/decode"
    ],
    [
      "x402",
      "https://text.openverbs.com/v1/diff"
    ],
    [
      "x402",
      "https://text.openverbs.com/v1/encode"
    ]
  ],
  "name": "text.openverbs.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "text.openverbs.com",
    "endpoints": [
      {
        "description": "Recase a string into camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, dot.case, path/case, Sentence case, Capital Case, Train-Case, no case, Title Case, or plain UPPER/lower — the word boundaries are detected regardless of the input casing.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "camel",
            "group": "body",
            "name": "target",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example",
            "group": "body",
            "name": "text",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "8",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "Convert case",
        "tags": [
          "convert string case",
          "camelcase converter",
          "snake case transform",
          "kebab case text",
          "title case api"
        ],
        "url": "https://text.openverbs.com/v1/case"
      },
      {
        "description": "Decode a base64, base64url, hex, base32, or URL percent-encoded string back into UTF-8 text. Malformed input for the chosen encoding is rejected as a clean 400.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "base64",
            "group": "body",
            "name": "encoding",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example",
            "group": "body",
            "name": "text",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "8",
          "l30DaysUniquePayers": "5"
        },
        "serviceName": "Decode text",
        "tags": [
          "decode base64 text",
          "hex to string",
          "url decode text",
          "text decoding api",
          "base32 to utf8"
        ],
        "url": "https://text.openverbs.com/v1/decode"
      },
      {
        "description": "Diff two texts. The default `unified` mode returns a unified-diff patch string; `lines`, `words`, and `chars` modes return a structured array of added/removed/unchanged parts.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example",
            "group": "body",
            "name": "a",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example",
            "group": "body",
            "name": "b",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "unified",
            "group": "body",
            "name": "mode",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "8",
          "l30DaysUniquePayers": "5"
        },
        "serviceName": "Diff text",
        "tags": [
          "diff text",
          "generate unified diff",
          "compare strings",
          "word diff api",
          "line by line diff"
        ],
        "url": "https://text.openverbs.com/v1/diff"
      },
      {
        "description": "Encode a UTF-8 string into base64, base64url, hex, base32, or URL percent-encoding.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "base64",
            "group": "body",
            "name": "encoding",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example",
            "group": "body",
            "name": "text",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "8",
          "l30DaysUniquePayers": "5"
        },
        "serviceName": "Encode text",
        "tags": [
          "encode text base64",
          "string to hex",
          "url encode text",
          "text encoding api",
          "utf8 to base32"
        ],
        "url": "https://text.openverbs.com/v1/encode"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "text-openverbs-com",
    "integrationType": "",
    "isNew": false,
    "name": "text.openverbs.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.002",
      "currency": "USDC",
      "maxAmount": "0.002",
      "minAmount": "0.002"
    },
    "provider": "text.openverbs.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": [
      "convert string case",
      "camelcase converter",
      "snake case transform",
      "kebab case text",
      "title case api",
      "decode base64 text",
      "hex to string",
      "url decode text",
      "text decoding api",
      "base32 to utf8",
      "diff text",
      "generate unified diff",
      "compare strings",
      "word diff api",
      "line by line diff",
      "encode text base64",
      "string to hex",
      "url encode text",
      "text encoding api",
      "utf8 to base32"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"410f265b45d2b6f8ee127aa28387b305d4c1df410d05925428e9798db14eb375","id":3959347,"kind":"listing","method":"sync.agentic_market/1","observed_us":1794076205962696,"prev":3438616,"subject":"agentic_market:text-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 2026-11-07 (195826 rows).

1. 0xe64c666147900fd7e2863143b8d15d45cbdb0b48ce1bba771c551b04fb5b5a42
2. 0x4f8fff06f591eb7d9c5e9c221e2052ef5b43b3a11ecfeccc193b82f4304594fa
3. 0x1c9c0717539fc312ab5cbdd704a1c3a1cd7bc0253e01d8448917fe5ad8e1e2ec
4. 0xa2d42a1dac01822ec193885e522530b860f04754f3ebd1c7fccb3f6e72f7251b
5. 0xde793999b5f0ede2019bd4d466ccf3393eaeaab251a09184f81645c07e440d44
6. 0x186a5b65f89206778680c7a2331af182984ef3de3242f285add560994300554b
7. 0xd389ace53033b8fe2da549303680275ba1b55fe8438458a712d3fd64703d3030
8. 0x77b4c79d299b9f58cde6899af7f192a12c516d55bce87e3c39cf3bc8e9d7c246
9. 0x9ecc34d122a8e449eec2aea4c8ab83b3684804486fbb75173e9b3b0596c5f552
10. 0xfc2a3254d7348e8b35a5a39f6c1824341141aac02563010c188dddb70b0d2760
11. 0x0cba5d57e844571761c9ee50507461e9d922e5143f5a7a7e10960f8cb2513c3d
12. 0xab9284275fd67eda31ddd6d2ea701f8c59fec93fd58a3bf8cb5ac7a3c7c3cae9
13. 0xe79f2ce46cab03ac264319838ae3b783a627edc1ba5fa188c7c509f21c4e4085
14. 0x6f49c61b0121647381a6cf39821f3b65b9e708380eb6ac63924f415c4db07607
15. 0xe840e410ee5ca60b9428cf31ac97ed84879fffbdab20af854208e002351d4fae
16. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa