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Evidence row 117523

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://numeral.openverbs.com/v1/roman
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
564189aac8a1e77efacbd31491afff8fc588697e2aab7fdc04043e9c1d3bbefa
Leaf
0x6d40b6d4661b3d3cfef495a96a4f7cc5f8c21f0cc3be0dc3564a15595c8b67af

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://numeral.openverbs.com/v1/roman"
    ]
  ],
  "name": "Roman numerals",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "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.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "value": "MCMXCIV"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "value": {
                      "description": "An integer 1–3999, or a Roman numeral like \"MCMXCIV\".",
                      "maxLength": 32,
                      "minLength": 1,
                      "type": "string"
                    }
                  },
                  "required": [
                    "value"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T00:16:57.565Z",
    "quality": {
      "l30DaysTotalCalls": 49,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-26T00:16:57.428Z"
    },
    "resource": "https://numeral.openverbs.com/v1/roman",
    "serviceName": "Roman numerals",
    "tags": [
      "roman numeral converter",
      "convert roman numerals",
      "roman to integer",
      "integer to roman",
      "validate roman numeral"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "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."
}

What the leaf hashes

{"body":"564189aac8a1e77efacbd31491afff8fc588697e2aab7fdc04043e9c1d3bbefa","id":117523,"kind":"listing","method":"baseline/1","observed_us":1793025611318257,"prev":null,"subject":"x402_bazaar:https://numeral.openverbs.com/v1/roman","subject_kind":"source_record"}

Proof

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

  1. 0x6d40c3099baacc5ba24e984421c5e00678b9e58b69efc71d4a071db14640affa
  2. 0x29967ee116337649447e93abd13cf4b3da249b4094a727d12945d9aa48d3274c
  3. 0xc690a4f77da62f0162ee4b1555d7fef8e1723ac958e0e1458fa17607342b9302
  4. 0x2229a661c2b0200b56b6974f8b1635e455b9a94b8e4d0ee61dcef596decb96e7
  5. 0x7098ce5daa6f8ff74bbc7110569675dc20b3468d8f6198d20f06803f9b86a4b0
  6. 0xb5e7f2d1edb10ad5e68de81c7c9cceb469969365d2baf7e2216af4d84b8bff9f
  7. 0x5c0439c9789fedef17aec90b03080bde897c1c99016e94e838b0822afdf4a3fd
  8. 0xb62376c32b580c78a3e8b7d7b77d8c1d636c5478f27bb1f57809a5b7db75ee99
  9. 0x0e73789be7c40cfc0ff942e36c98ca89369b26c9056ecb17c09cfe774720d480
  10. 0xd436881f2f0c7eba4a0a8b847ff798d53394f793d9cffd7bdf04f6a3d5c2f8be
  11. 0x82b0a13483194285c0c386d5ad47eb953493b28955a9a8e58da3a2e6e220ed30
  12. 0x929b3f59cbf01edbae456522161805dd51e098dc3a66d845508de46581bb953c
  13. 0x9dc4d6f64bc3c323d2c45a28209068cd473b6979bd632a0d694bf94d19bc39df
  14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
  15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
  16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON