Evidence row 4166162

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.kadec0.xyz/v1/phone-validate"
    ]
  ],
  "name": "Phone Number Validation",
  "owner_address": "0x4df66b6c140778fe0717880a7c6dde5ea53acdea",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
        "scheme": "exact"
      }
    ],
    "description": "Phone number validation and formatting. Checks a phone number against the national numbering plan and returns whether it is valid and possible, its E.164, national, and international formats, country calling code, region, line type, and time zones. Accepts +E.164 or a national number with a country code. Numbering-plan validation only, not a live-line check. Keyless.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "phone_number": "+14155552671"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 1,
              "items": [
                {
                  "carrier": null,
                  "check": "numbering-plan check (libphonenumber metadata)",
                  "country_code": 1,
                  "e164": "+14155552671",
                  "international_format": "+1 415-555-2671",
                  "is_possible": true,
                  "national_format": "(415) 555-2671",
                  "phone_number": "+14155552671",
                  "phone_type": "fixed_line_or_mobile",
                  "possibility": "is_possible",
                  "region": "US",
                  "timezones": [
                    "America/Los_Angeles"
                  ],
                  "type": "phone_validation",
                  "valid": true
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "country_code": {
                      "description": "optional ISO 3166 alpha-2 region for national-format numbers, e.g. US",
                      "type": "string"
                    },
                    "phone_number": {
                      "description": "phone number, ideally +E.164; national format needs country_code",
                      "type": "string"
                    }
                  },
                  "required": [
                    "phone_number"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-08T14:31:49.493Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-08T14:31:49.312Z"
    },
    "resource": "https://api.kadec0.xyz/v1/phone-validate",
    "serviceName": "Phone Number Validation",
    "tags": [
      "phone",
      "phone-validation",
      "e164",
      "lead-gen",
      "data-quality"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Phone number validation and formatting. Checks a phone number against the national numbering plan and returns whether it is valid and possible, its E.164, national, and international formats, country calling code, region, line type, and time zones. Accepts +E.164 or a national number with a country code. Numbering-plan validation only, not a live-line check. Keyless."
}

What the leaf hashes

{"body":"530f8db3ab54959e2b2f5c50f6336d590d56f65dc777a6f6a73135b036ec3491","id":4166162,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794170500564696,"prev":null,"subject":"x402_bazaar:https://api.kadec0.xyz/v1/phone-validate","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-08 (183509 rows).

1. 0xe5107cee3167ad32f1194e181455765f002e8a2de9c0722dff50e297dac3839d
2. 0x1698cc607fa27547536aea6b44a91f1787b47156a6c3c06ed5cab2e0fd1a5e4c
3. 0x4860b3a31fc78abd34ef9e01822f841d4794b3594873c16ed962e1187fdff211
4. 0xfda7425cb722bf5a95ae9dc6eba584aa1a3bf45fd872d1ecc9f154d49ce88b38
5. 0xdc2dd4739c625749d3df64a00cbc045900d7bdc1bf3806fa61fb3704e20f915b
6. 0xb20cd989f4e4d51e13599fb20bfffaeb1069acb070fa3e1524f5be195974b077
7. 0x1ccd0fd351931c426b367e59d7b2699ab1f6c2f16a55d95d6939c5e83eadefbc
8. 0xc7ede6e2ba9d6907567ee779c77fd22aa606a04e0b091445138bc14842c7c474
9. 0xd61868302083f8e749e39dc77a31c90564a0190f0a4198ce3377eb2576ef8df9
10. 0xe146e0e6678ed7fbcfb6f6158ed208dc37f8444c78e521e2f844fdf3f497a5d1
11. 0x110665c75a685dc68a4151ded2826cef952ea9905a9aa34689ce3a959a6bd711
12. 0x3b8b4ed84a6054b164b6da5e0aac98be6984947d7586425edc4d058c7e6288ce
13. 0x740c7caad6a7144cd97e2f29e3d6e376f550e0092465cde9e08cdf68d6917331
14. 0x8d8d998be66c78454d8d04127be93a7f4e487f6b06dde47101d3aa5bd61252de
15. 0x41be111f1c6a20bdc67d886780b7a6b2f0ff5ab9d9f6e536681f4081b7c93338
16. 0xf9aac73ecfa1eb00a9ea18eb29993fb1634bd55ad625dfc8c59fd9afcef514f5
17. 0x2d9754fdf3b1fe7b0030b55b1fe7e859e5c53291df3d09cef34b31423a50dc18

Day root

0xbf84ec37f88c5f23d2144bd7dbc1ea0f8edc93b3764a885a7164b7923ff3460b

Chained

0x9fea188e4965f50de727e97c40e18d5ff2c2ddbfd4f1ae65e22ddd6f676bccfc

Published

On Arc Testnet, block 71451618: 0xb5273480942a54cd07f291b8319e59976f8d9d0583181c764eed04c9b3f7a022