Evidence row 2189629

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": "10",
          "l30DaysUniquePayers": "6"
        },
        "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": "9",
          "l30DaysUniquePayers": "7"
        },
        "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": "10",
          "l30DaysUniquePayers": "7"
        },
        "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": "9",
          "l30DaysUniquePayers": "7"
        },
        "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":"a4d1607160e16b4cc975092ab1960f8f53fe9f11ddd4c5c9f66d98a155015311","id":2189629,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793643633443509,"prev":1784339,"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 2026-11-02 (444186 rows).

1. 0x441093d947ca1236c20f7ed8a873fdb6439f34b08ed3add426dcfbde5b84de02
2. 0x4a8deb1f0564b39f6a9174b3413e208225f4a0863c6201364064cbfde1313709
3. 0x629a9e5e6f0cd6174b2051ee8c0366e2b2c1d3bf71f9351df4ba1788fdcc5a65
4. 0x3a2847ad8ac2a4b15c338e4d8491b7067b2d7ed1fb65f2cd3379781e92551cfe
5. 0x7dde79e5ccbcad0c3572c7025b2eeee09773a436c1cdeb22171ef3e1d34cb28b
6. 0xb687f57463383aefa15b43f3e7394c4199a92e2834ee27f8eeb73335e53b9091
7. 0x19a1099211801a6a615207fc799cf919f9576208d2734f8d4b188de00f78fa4a
8. 0xabc96814bf7a458c01384e23cc45183e50f79f413bcb6b8c02b74f414b222498
9. 0x27234dfde265d683cef40bf0863592777c1d0ecb6f1b0846c3e9c0a62b9570ea
10. 0x5efab709f1eb925ca971331e911df7dc2c02022cfaac73f88d677d404089370f
11. 0x32d8aa50bdb63c965d4627f30c8584b5b109ccd5950b3ed3d307ea75d46ed970
12. 0xe92478cc3eab4cc4c9e8fd5dbc3001cb0971587042ed8624c5712d5ceb777263
13. 0xd4651434698f4d5f8d2255b9d81f1cf47a7c3da7e2321b09b05fc8ddc31165a2
14. 0x75634d9d67fe6c75f98d15ecdced550aaaa0b303b51c1355fcc39f82416bc504
15. 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af