Evidence row 1261881

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://tools.nythosx.com/v1/gas/compare"
    ]
  ],
  "name": "NythosX Agent Tools",
  "owner_address": "0x803522d25f7b6f2e6df006650cdc032e644057a2",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x803522D25f7B6f2E6Df006650CDc032e644057a2",
        "scheme": "exact"
      }
    ],
    "description": "Where is it cheapest to send this transaction right now?. Ranks all 6 supported chains (Base, Ethereum, Arbitrum, Optimism, Polygon, Solana) by USD cost for a transaction type (transfer, USDC transfer or swap) at a speed tier (slow/standard/fast). Returns the ranking, the cheapest chain, and any chains queried in parallel that didn't respond (in failed[]).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "tier": "standard",
              "tx": "usdc_transfer"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "cheapest": "solana",
              "failed": [
                {
                  "chain": "polygon",
                  "name": "Polygon PoS"
                }
              ],
              "ranking": [
                {
                  "block": 245123456,
                  "chain": "solana",
                  "costUsd": 0.0011,
                  "l1DataFeeIncluded": false,
                  "name": "Solana"
                },
                {
                  "block": 21512345,
                  "chain": "base",
                  "costUsd": 0.0012,
                  "l1DataFeeIncluded": true,
                  "name": "Base"
                }
              ],
              "tier": "standard",
              "tx": "usdc_transfer"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "tier": {
                      "default": "standard",
                      "description": "Speed tier",
                      "enum": [
                        "slow",
                        "standard",
                        "fast"
                      ],
                      "type": "string"
                    },
                    "tx": {
                      "default": "transfer",
                      "description": "Transaction type",
                      "enum": [
                        "transfer",
                        "usdc_transfer",
                        "swap"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [],
                  "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": "2026-10-30T10:49:31.543Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-30T10:49:31.408Z"
    },
    "resource": "https://tools.nythosx.com/v1/gas/compare",
    "serviceName": "NythosX Agent Tools",
    "tags": [
      "gas",
      "fees",
      "crypto",
      "evm",
      "solana"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Where is it cheapest to send this transaction right now?. Ranks all 6 supported chains (Base, Ethereum, Arbitrum, Optimism, Polygon, Solana) by USD cost for a transaction type (transfer, USDC transfer or swap) at a speed tier (slow/standard/fast). Returns the ranking, the cheapest chain, and any chains queried in parallel that didn't respond (in failed[])."
}

What the leaf hashes

{"body":"f042c16b3be880d2b83d1341de01d948568f7c2b8897001a3b57ec44fd2dbfa2","id":1261881,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385517076326,"prev":null,"subject":"x402_bazaar:https://tools.nythosx.com/v1/gas/compare","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x4bef58d0464dbc736921089a1eb11fd7284140c78be6661aab74849a8d916d42
2. 0x816096ee236d3c127deef4d2584a3879b795d01ed1735b193a9d592bb2e9d3d6
3. 0x2b0d266555dee5354ff803736d5aaa2c5c0166a40ada9b392ee57b8833ba3170
4. 0xf5e020a0587f3f345b6c82733f43d0906b612975bc71022ffab8fe9e982fcd19
5. 0xd348f1b5a9b808c19fa572acb1406b860888a2e1ac88808690e6fdfe149ca7a5
6. 0xb90963236762fda2abbbfd1bba887f55007ab1d7255689dfbd86e76d98085dc4
7. 0x8880dd82fbe08f92376c5ed0ad108db2b9d6270ae4fcdcf7dd4ab9d5242d05be
8. 0x4b1c439ee83424b56b91e51c15c55e66c5b8e47a411da9f0006cb7a98f7363a3
9. 0x4f17dd7c99680bb1252bc31bc58eed959eb54b3be2b2c644f57b3922112b5feb
10. 0x7b48841a5443bb164c317a7e794f6f7e475f8aa8d4f07bee7a5a479e7e0e688b
11. 0x0de9b02a84a14ebd6172f6f2393596aab3218cc576d287b66eca97a7db40b2c6
12. 0xc1a9925f6a2afcf3cdaff51f8c62b7a434f58a65a6415c4fa6b12605d2f3d816
13. 0xec056ea330536f437d7c8a8262b1a5055dd234070d691d0d303dd85828fa5a4e
14. 0x9ace81ddbf101c81e3033efcaf62a4f4ad2b7dc0b97b61a7adf81117108ff2f7
15. 0xa937fac4496d1d79e24c5f12abd33388ef710185b9d82165d4b39af6bd434545
16. 0x910a91495535ac1a9e959d27d607e185616d2d41b45bc7071c6357f426f372d8
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861