Evidence row 525513

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api2ls.com/api/gas"
    ]
  ],
  "name": "api2ls.com/api/gas",
  "owner_address": "0x692dce6b2876854fa9d348bfbfd9c1c4de6c07dd",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x692DcE6b2876854FA9d348BFBfd9C1c4DE6C07DD",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "AifT6piHJ957oqgeRVLAiAmvm3dJ3rLnD2EVck6Msf7k",
        "scheme": "exact"
      }
    ],
    "description": "Get live EVM gas pricing with EIP-1559 breakdown and USD cost estimates",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "chain": "base"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-06-17T09:30:00.000Z",
              "baseFeeGwei": 1.2,
              "chain": "base",
              "costEstimates": {
                "transfer": {
                  "gasUnits": 21000,
                  "nativeAmount": "0.0000315",
                  "usd": 0.1103
                }
              },
              "gasPriceGwei": 1.5,
              "maxFeeGwei": 2.7,
              "nativeToken": "ETH",
              "nativeUsd": 3500,
              "priorityFeeGwei": 0.3,
              "success": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "chain": {
                      "description": "EVM network: base (default), ethereum, optimism, arbitrum, or polygon",
                      "type": "string"
                    },
                    "chains": {
                      "description": "Comma-separated list of chains (max 5) to compare in one call",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": "string"
                    },
                    "baseFeeGwei": {
                      "type": "number"
                    },
                    "chain": {
                      "type": "string"
                    },
                    "costEstimates": {
                      "type": "object"
                    },
                    "gasPriceGwei": {
                      "type": "number"
                    },
                    "maxFeeGwei": {
                      "type": "number"
                    },
                    "nativeToken": {
                      "type": "string"
                    },
                    "nativeUsd": {
                      "type": "number"
                    },
                    "priorityFeeGwei": {
                      "type": "number"
                    },
                    "success": {
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "success",
                    "chain",
                    "gasPriceGwei"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T09:50:14.667Z",
    "quality": {
      "l30DaysTotalCalls": 11,
      "l30DaysUniquePayers": 10,
      "lastCalledAt": "2026-10-27T09:50:14.199Z"
    },
    "resource": "https://api2ls.com/api/gas",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Get live EVM gas pricing with EIP-1559 breakdown and USD cost estimates"
}

What the leaf hashes

{"body":"87cebc93715f6c6a0d7d38e14d863d8be7b09b3523a22977a6fff4667b5a6086","id":525513,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124759927288,"prev":451311,"subject":"x402_bazaar:https://api2ls.com/api/gas","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x4179175ea4df60bc09ff679cc7cccb2cf3c67a5bd41bf12a4abd92f930b25be6
2. 0x2e84c991b9f1728cee300a69ff67558260788fdcb7d1fd95436be5c77a9272a1
3. 0x00516ba12c0998aaadde3df61366369d7f33325ee1ad605d52332deeab2c017d
4. 0x5ef271bdd2086ec3a055efa3e2facec69e136b3f19b6d428f970c5ecc4eba64c
5. 0x175c8014c3f016b00650b7fbe6334a699df9cf9d9daef4f6c322404ddb1cdf08
6. 0x97850fec6d8e1fe639de4f9a4f841beeafcbd205c03b8abba95bec4816e0c877
7. 0x3d18d9562983c2d4bbb49d6c57107ad1ae2ef5e7d1503d454fe3f895c6585f35
8. 0x2cf1005685510f8d8c9c5f55f92b684597f4252f946977df2c8e92b91836c4bc
9. 0x98267a6e408a6cb1a3ed08dc1294b1e38079c974753d9cee9a0cca76650f9a9a
10. 0x47056d1a82f1a401f70649554ad7bdc8697f53d306814dfa9d82eaf2819ca72a
11. 0xba3889346bad6b1000f505460e195c0560c3abdda8ab2c1fa31260331cb75f7b
12. 0xbac4a74052976278393cfcc6a341f6cfd372f2fd8909eeffcc72872579289c40
13. 0xe097a5c0640b3c074fef1c9f5fe91898965687ad755f1c27c31462a60e313f0a
14. 0x1de9caca1fa6dbbe090ee48dad5f962bbfd09856fd897edc8c3c110272d35c56
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4