Evidence row 117516

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://numberintel.dev/v1/attest/preflight"
    ]
  ],
  "name": "numberintel.dev/v1/attest/preflight",
  "owner_address": "0x9a8dfbe7a11ee89dd59d80c93ab0efe00d5d5767",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x9A8dfBE7A11ee89dD59D80c93AB0EfE00D5D5767",
        "scheme": "exact"
      }
    ],
    "description": "x402 conformance preflight of any endpoint: parses the 402 envelope, lints accepts[] (atomic units, payTo, network), reports the quote, Bazaar extension presence and problems. No purchase is made.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "target": "https://api.onesource.io/api/chain/block-number"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "accepts_count": 2,
              "base_mainnet_option": true,
              "grade": "quote_ok",
              "has_bazaar_extension": true,
              "http_status": 402,
              "latency_ms": 414,
              "method": "GET",
              "problems": [],
              "quote": {
                "amount_atomic": "1000",
                "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                "network": "eip155:8453",
                "payTo": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
                "usd": 0.001
              },
              "reachable": true,
              "target": "https://api.onesource.io/api/chain/block-number",
              "x402_version": 2
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "method": {
                      "description": "GET or POST, default GET",
                      "type": "string"
                    },
                    "target": {
                      "description": "https URL of the x402 endpoint to check",
                      "type": "string"
                    }
                  },
                  "required": [
                    "target"
                  ],
                  "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": "2026-10-13T16:47:21.611Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-13T16:47:21.415Z"
    },
    "resource": "https://numberintel.dev/v1/attest/preflight",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "x402 conformance preflight of any endpoint: parses the 402 envelope, lints accepts[] (atomic units, payTo, network), reports the quote, Bazaar extension presence and problems. No purchase is made."
}

What the leaf hashes

{"body":"b11b3b5ea3460c1ecbffc4dcb24f326126def35c3175f4c6569d6c5f58d05b0c","id":117516,"kind":"listing","method":"baseline/1","observed_us":1793025611310137,"prev":null,"subject":"x402_bazaar:https://numberintel.dev/v1/attest/preflight","subject_kind":"source_record"}

Proof

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