Evidence row 1258915

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://numeral.openverbs.com/v1/ordinal"
    ],
    [
      "x402",
      "https://numeral.openverbs.com/v1/radix"
    ],
    [
      "x402",
      "https://numeral.openverbs.com/v1/roman"
    ],
    [
      "x402",
      "https://numeral.openverbs.com/v1/words"
    ]
  ],
  "name": "numeral.openverbs.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "numeral.openverbs.com",
    "endpoints": [
      {
        "description": "Format a non-negative integer as an ordinal — both the suffixed form (21st) and the ordinal words (twenty-first).",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 1,
            "group": "body",
            "name": "number",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "53",
          "l30DaysUniquePayers": "7"
        },
        "serviceName": "Ordinal",
        "tags": [
          "ordinal number formatter",
          "number to ordinal",
          "add ordinal suffix",
          "ordinal words",
          "format 21st"
        ],
        "url": "https://numeral.openverbs.com/v1/ordinal"
      },
      {
        "description": "Convert an integer between numeral bases 2–36 (binary, octal, hex, base36, …). Arbitrary size via BigInt; digits are case-insensitive and a leading minus is allowed.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 2,
            "group": "body",
            "name": "fromBase",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 16,
            "group": "body",
            "name": "toBase",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "101010",
            "group": "body",
            "name": "value",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "52",
          "l30DaysUniquePayers": "7"
        },
        "serviceName": "Radix (base) conversion",
        "tags": [
          "base conversion",
          "convert number base",
          "binary to hex",
          "decimal to base36",
          "radix converter api"
        ],
        "url": "https://numeral.openverbs.com/v1/radix"
      },
      {
        "description": "Convert between integers (1–3999) and Roman numerals in either direction — a digit string is encoded to Roman, a Roman numeral is decoded to an integer. Non-canonical numerals (IIII, IC) are rejected.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "MCMXCIV",
            "group": "body",
            "name": "value",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "50",
          "l30DaysUniquePayers": "6"
        },
        "serviceName": "Roman numerals",
        "tags": [
          "roman numeral converter",
          "convert roman numerals",
          "roman to integer",
          "integer to roman",
          "validate roman numeral"
        ],
        "url": "https://numeral.openverbs.com/v1/roman"
      },
      {
        "description": "Spell an integer out in English words, e.g. 123 → \"one hundred twenty-three\". Negatives are prefixed with \"minus\".",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 1,
            "group": "body",
            "name": "number",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "53",
          "l30DaysUniquePayers": "8"
        },
        "serviceName": "Number to words",
        "tags": [
          "number to words",
          "spell out number",
          "integer to english words",
          "convert number to text",
          "english number words"
        ],
        "url": "https://numeral.openverbs.com/v1/words"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "numeral-openverbs-com",
    "integrationType": "",
    "isNew": false,
    "name": "numeral.openverbs.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.002",
      "currency": "USDC",
      "maxAmount": "0.002",
      "minAmount": "0.002"
    },
    "provider": "numeral.openverbs.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": [
      "ordinal number formatter",
      "number to ordinal",
      "add ordinal suffix",
      "ordinal words",
      "format 21st",
      "base conversion",
      "convert number base",
      "binary to hex",
      "decimal to base36",
      "radix converter api",
      "roman numeral converter",
      "convert roman numerals",
      "roman to integer",
      "integer to roman",
      "validate roman numeral",
      "number to words",
      "spell out number",
      "integer to english words",
      "convert number to text",
      "english number words"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"ef877c0a63a2fddf1337749aa1c5b322f12d1d66d64e3098355beaede01f6f9e","id":1258915,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793384195224282,"prev":1035374,"subject":"agentic_market:numeral-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 2026-10-30 (243099 rows).

1. 0x0ba37afb4391c332f14c19dad4d2531e6fe819a5271685af873a37368b768afc
2. 0x26c51c8e50f642d43ed5ebb2630018e95614378d51f95550f2b27cceb0398fd9
3. 0x01ee87d6a4f143db7263d1a1d37a0cf70a09500784e4d18e1bdefeca0c324005
4. 0xa0cb0c42fa6cb5db55b8e09db7ffeb6aff347ca50a316ac90aeccf55b061d545
5. 0xbed6ac91f71dac2c9d5bfc551ecbf62489bafa583ae9503664a94ce0503d3e98
6. 0x774bde1ff77624eb49f291ed0b6dc67f6c9ead7b6dbda969b668dc0aeddb4107
7. 0x438587fe2adc72558947bb7561522b482c2059ad179f193a952fe7c81e533c9a
8. 0x511006efb11f7481a57a757c29ffdd9478c3aa9b709411c889f781342729bde9
9. 0xdb08acdb0d595eea0bbdc2a33303a21e5b9a717a4c7d58d239aefdb538d4b29b
10. 0xe5e6e863c6079480022cb9f2e564d9701989dfbc752e9c92201cba7f89b36e58
11. 0x96abdfb91662bd295a6a4264ca480cdb685b979d64ec0f2a58847aef1a7f2a09
12. 0x1f2184b945f9592992fad320892719c98f8361a3144b92d89525abd90034c0c2
13. 0x07a3338ff82774d53d7b3eb537fe113270a3edf37254cd960efb7d6d3a7745cd
14. 0xdf5b016e08f93664d06694a7722324dcb27caedd549f286f07d4b4798e0c706e
15. 0x2b7a05865245feaf40ea40b73e02d86357af2dcbac9c7b992f1420f5eaa15246
16. 0xe2a9872e1b6a01c55a7a8cc5c05c61f3933255db5c26b9c79be4011d28685b52
17. 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861