Evidence row 452030

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://dev.kagurazaka.dev/v1/decode"
    ]
  ],
  "name": "x402 Dev Tools",
  "owner_address": "0xe6f7508ab572a4dc9c7486ea017b100d83f3c3f8",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xe6f7508ab572a4dc9c7486ea017b100d83f3c3f8",
        "scheme": "exact"
      }
    ],
    "description": "Decodes a PAYMENT-REQUIRED, PAYMENT-SIGNATURE or PAYMENT-RESPONSE header (x402 v2, or X-PAYMENT / X-PAYMENT-RESPONSE of v1), base64 or JSON, detecting which it is. Explains it in plain terms (price in dollars, network, payer and payee, validity window, explorer link) and lists problems: wrong USDC EIP-712 domain, expired or not-yet-valid authorizations, amount or payee mismatches, missing Bazaar extension.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "header": "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"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "accepts": [
                {
                  "network": "eip155:8453",
                  "network_name": "Base",
                  "pay_to": "0xe6f7508ab572a4dc9c7486ea017b100d83f3c3f8",
                  "price_usd": 0.001,
                  "scheme": "exact"
                }
              ],
              "decoded": {
                "x402Version": 2
              },
              "findings": [
                {
                  "level": "info",
                  "message": "no bazaar extension: the CDP Bazaar lists the resource only with it (declareDiscoveryExtension)"
                }
              ],
              "kind": "payment-required",
              "summary": "Pay $0.001 on Base for https://api.example.com/v1/weather",
              "x402_version": 2
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "header": {
                      "description": "the header value (base64 or JSON); a leading 'Header-Name:' is ignored",
                      "type": "string"
                    },
                    "kind": {
                      "description": "default auto",
                      "enum": [
                        "payment-required",
                        "payment-signature",
                        "payment-response",
                        "auto"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "header"
                  ]
                },
                "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"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "accepts": {},
                    "decoded": {},
                    "findings": {},
                    "kind": {},
                    "summary": {},
                    "x402_version": {}
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T10:06:16.355Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-25T20:35:39.743Z"
    },
    "resource": "https://dev.kagurazaka.dev/v1/decode",
    "serviceName": "x402 Dev Tools",
    "tags": [
      "x402",
      "debugging",
      "payment header",
      "developer tools"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Decodes a PAYMENT-REQUIRED, PAYMENT-SIGNATURE or PAYMENT-RESPONSE header (x402 v2, or X-PAYMENT / X-PAYMENT-RESPONSE of v1), base64 or JSON, detecting which it is. Explains it in plain terms (price in dollars, network, payer and payee, validity window, explorer link) and lists problems: wrong USDC EIP-712 domain, expired or not-yet-valid authorizations, amount or payee mismatches, missing Bazaar extension."
}

What the leaf hashes

{"body":"c096cf96fd25cdfe4877104eef456e3068e374cc5f9fe6ab29d6df4f8e3d982c","id":452030,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100516996082,"prev":73475,"subject":"x402_bazaar:https://dev.kagurazaka.dev/v1/decode","subject_kind":"source_record"}

Proof

Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.