Evidence row 76843

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://iso.openverbs.com/v1/language"
    ]
  ],
  "name": "ISO 639 language lookup",
  "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": "Look up a language by its ISO 639-1 alpha-2 code, ISO 639-2 alpha-3 code (bibliographic or terminologic) or English name. Provide exactly one field.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "alpha2": "en"
            },
            "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": {
                    "alpha2": {
                      "description": "ISO 639-1 alpha-2 code, e.g. \"en\".",
                      "type": "string"
                    },
                    "alpha3": {
                      "description": "ISO 639-2 alpha-3 code, e.g. \"eng\" or \"deu\"/\"ger\".",
                      "type": "string"
                    },
                    "name": {
                      "description": "Exact English name (case-insensitive). Use /v1/search for fuzzy matching.",
                      "type": "string"
                    }
                  },
                  "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": "2026-10-06T16:58:14.01Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-06T16:58:13.864Z"
    },
    "resource": "https://iso.openverbs.com/v1/language",
    "serviceName": "ISO 639 language lookup",
    "tags": [
      "iso language lookup",
      "iso 639 api",
      "language code lookup",
      "alpha2 language code",
      "alpha3 language code"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Look up a language by its ISO 639-1 alpha-2 code, ISO 639-2 alpha-3 code (bibliographic or terminologic) or English name. Provide exactly one field."
}

What the leaf hashes

{"body":"2d06b0696f1ba1e0c830966f03db8fae94eb9e01570f31ac311c00f49b5c8223","id":76843,"kind":"listing","method":"baseline/1","observed_us":1793025493009938,"prev":null,"subject":"x402_bazaar:https://iso.openverbs.com/v1/language","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. 0x189d7dc74f259628c0dc6b38c5f2c8118e9c7335374e088080848f9117808953
2. 0xdf4788ed7c8b8374d147a9cb317eb33e343d20f79c510353d67c877f3b07d370
3. 0xa167d2e0e252925db3d2b0ec83f814c0bcff5fcd2fa0f11be152a890b2c1932f
4. 0xfac57842649e5cebecf8e3203e49a61754c02f861eb4716f0d10646913c22856
5. 0x94040fdb2604cd6a9bd590eb0773e6d86f1b75d3ec1a8530c14568754317ce87
6. 0x08a49ccafd4667ed031034405514ec8968039c365c4a35c2cab9e58f3f64fb2a
7. 0x1b0f03d58f185f84588cca27d9129a76955cc72019fdde206394dc6c04b28729
8. 0x57489ed97f254802732c63b32ffa35358c6b3c71f73079b91824573f0e3021d4
9. 0x34d8518289565739865be381d2d981b9fd7cbacc9818c2721b6412c40c512369
10. 0xcb3e3aedb72ed8e61cbaa8991a4949a4faf974931a0daec4005c2e39529d76a8
11. 0x04d98d8716f171bd2264c6c49606521f410107287c5094c713f72cdf2fe1e1ed
12. 0x15eab8feed5b3f08165d63b9f1aed508c0624966a05349e051f86f0c188707b5
13. 0x32f46c5f73ecbfd4f770f7f760a79bee2afed4b3e7572fa882b3e7dce8df4356
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae