Evidence row 48550

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": "2026-10-26T06:01:05.874Z",
    "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":"59233dbb7a23deed405fdcef89f6e07c03a13b41027198c6d2795b4846020ee5","id":48550,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025412133405,"prev":null,"subject":"x402_bazaar:https://kair-os.trade/base-quotes/quote","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. 0xbf1dd302f719380b087ce33a8869aa6ce9312d3cab51413a12f9badfd18e38f8
2. 0xee7f298418473eb8794c67ff8caef1fd8de6f5fd95962f125db25bb32f55e77e
3. 0xd872e8cc2117d7127e7992f14e05cb5f726dbe7957d6b1430775a9f478d0aaa7
4. 0x3ca455b16ac4695b321191100ba6881c8749b095e9c0aa6b514c394ea67b7976
5. 0x9e2ec1b6248d8876dc923c19599fed70ee5db608dc7129cf20885df594fb8d6e
6. 0x3f2d1d564342a684a6f7013f43f4a9a2525051567e3241e8de5e805c2f8eefdd
7. 0x316e0ccac385162af7186ec82383de8a47539b672affc637639f1986bc1e37a8
8. 0x0d2e6fbdf97a1c9ce64178f0b4215b7c82798017f2f4fc5e2fc5a95705a9865b
9. 0xfff3b8d4ca0c8dc5bf99db7a40143208561010865caf02e27e1c37ceae1c15dc
10. 0x48d04da54de88082e11aa43e473de1dfd941bdfb166e542aa1c13b29e3d7754a
11. 0x0decbdcd600e934c38d679c1b99f27ba6676644e856ed6ba36bca74feb432866
12. 0xc520305226daa0caf1c2416854f726ec072c950c1903497b2a1e88b0c6f406da
13. 0x96eae331a78c1c9248bc58130ff83d31b884760a51fe7191de2a39105ae7c072
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae