Evidence row 452883

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://kair-os.trade/base-quotes/quote"
    ]
  ],
  "name": "kair-os.trade/base-quotes/quote",
  "owner_address": "0x2a40c1e882e511e363fb5eda842ac4cb50cdca2f",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2A40C1E882e511e363Fb5EdA842Ac4Cb50cDcA2F",
        "scheme": "exact"
      }
    ],
    "description": "Compare four Uniswap V3 single-pool exact-input swap quotes on Base at one block (latest by default, finalized optional). Returns raw token amounts and QuoterV2 gas estimates. Gross output comparison; execution costs and net ranking remain unknown. Does not execute swaps.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "amountIn": "1000000",
              "blockTag": "latest",
              "tokenIn": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
              "tokenOut": "0x4200000000000000000000000000000000000006"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "amountIn": "1000000",
              "bestGross": {
                "amountOut": "400000000000000",
                "fee": 100
              },
              "block": {
                "hash": "0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
                "number": "0x1",
                "tag": "latest"
              },
              "chain": "base",
              "netComparison": {
                "status": "unknown"
              },
              "protocol": "uniswap_v3",
              "quotes": [
                {
                  "amountOut": "400000000000000",
                  "fee": 100,
                  "gasEstimate": "90000",
                  "status": "ok"
                }
              ],
              "status": "ok",
              "tokenIn": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
              "tokenOut": "0x4200000000000000000000000000000000000006"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "amountIn": {
                      "description": "Raw input-token units as a positive decimal string, at most 340282366920938463463374607431768211455. Decimals are never inferred.",
                      "pattern": "^[1-9][0-9]{0,38}$",
                      "type": "string"
                    },
                    "blockTag": {
                      "default": "latest",
                      "description": "Block state to quote. Latest favors freshness; finalized favors finality.",
                      "enum": [
                        "latest",
                        "finalized"
                      ],
                      "type": "string"
                    },
                    "tokenIn": {
                      "description": "Nonzero Base token contract address; must differ from tokenOut.",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    },
                    "tokenOut": {
                      "description": "Nonzero Base token contract address; must differ from tokenIn.",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "tokenIn",
                    "tokenOut",
                    "amountIn"
                  ],
                  "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"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T10:09:15.897Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-26T06:01:05.463Z"
    },
    "resource": "https://kair-os.trade/base-quotes/quote",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Compare four Uniswap V3 single-pool exact-input swap quotes on Base at one block (latest by default, finalized optional). Returns raw token amounts and QuoterV2 gas estimates. Gross output comparison; execution costs and net ranking remain unknown. Does not execute swaps."
}

What the leaf hashes

{"body":"3caa4b7a4ae4934d48974048a8bd282aa61f2608d64c64834a9405422f4f9ca5","id":452883,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100576266897,"prev":48550,"subject":"x402_bazaar:https://kair-os.trade/base-quotes/quote","subject_kind":"source_record"}

Proof

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