Evidence row 123087

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://twin.unykorn.org/erc20-decimals"
    ]
  ],
  "name": "Decimals of an ERC20 token",
  "owner_address": "0x7d9a65d06dcc435a52d5880c6310bd6e96c156db",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x7d9a65d06dcc435a52D5880C6310Bd6E96c156DB",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "3000",
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x7d9a65d06dcc435a52D5880C6310Bd6E96c156DB",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
        },
        "maxAmountRequired": "3000",
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "52EqTZigRAnBphuYAuREjQJx5H5ryyc1RETpDR2dZFQp",
        "scheme": "exact"
      }
    ],
    "description": "Decimals of an ERC20 token — Genesis402 / UnyKorn Operator Network",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "params": {
                "chain": "base",
                "contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
              }
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "generated_at": "<iso8601>",
              "ok": true,
              "receipt": {
                "amount_usd": 0.003,
                "receipt_id": "g402-<16hex>",
                "tx_hash": "0x<64hex>"
              },
              "type": "erc20-decimals"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "body": {
                  "properties": {
                    "params": {
                      "properties": {
                        "chain": {
                          "description": "EVM chain: ethereum | base | polygon | arbitrum | optimism | bsc | avalanche | gnosis | linea | scroll (default base)",
                          "enum": [
                            "ethereum",
                            "base",
                            "polygon",
                            "arbitrum",
                            "optimism",
                            "bsc",
                            "avalanche",
                            "gnosis",
                            "linea",
                            "scroll"
                          ],
                          "type": "string"
                        },
                        "contract": {
                          "description": "0x-prefixed 40-hex EVM address",
                          "pattern": "^0x[0-9a-fA-F]{40}$",
                          "type": "string"
                        }
                      },
                      "required": [
                        "contract"
                      ],
                      "type": "object"
                    }
                  },
                  "required": [
                    "params"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T18:34:52.309Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-25T18:34:51.447Z"
    },
    "resource": "https://twin.unykorn.org/erc20-decimals",
    "serviceName": "Decimals of an ERC20 token",
    "tags": [
      "ERC20",
      "token",
      "onchain data",
      "multi-chain",
      "decimals"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Decimals of an ERC20 token — Genesis402 / UnyKorn Operator Network"
}

What the leaf hashes

{"body":"77067475a5a260eb3eab34207cd598dd1d44c195e05a803ab80f5567e0b520f8","id":123087,"kind":"listing","method":"baseline/1","observed_us":1793025622604909,"prev":null,"subject":"x402_bazaar:https://twin.unykorn.org/erc20-decimals","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. 0xe5150abe5e41c11a517ff0783e8caee8f2150d032b6feb575ff5592709b99b69
2. 0x6d51f570ae324cff3bc47951c5b5528daf04de85a9e7d9e45ec894cd965b9eeb
3. 0xf8a90b1d54b9b4db9249b749ce202889a9660518190568483207f623780c364d
4. 0x1572c0ee1389eac4cc099634c24c6972d6481e368f4214ec12beffe42519f625
5. 0xd294c832c3f6ee968e314f078d1a56b6dfc141942bceed0131402a6c412993d2
6. 0xafc792133de07f8f781a35eb4ca51e64f77799e10e6a82a1a139acde10cde2d0
7. 0xd2b6561b31d7577c6bfc1e5e2f995ed47a7aabfb41388493d931b0681e497e73
8. 0x914992d51e49e367b6d002f589845f66102bee3f65039f23a2a97285a4babcb0
9. 0x8ada95f4a3619856b4c811eb375e4721b7e09d8e21d38c3ef2096e488010f37e
10. 0xae20f858f8c4842e59d76c7757bc2292fa50be5cf7697b284a497ee9ef7b2958
11. 0x29ce97b519f8e4dff85ae3006efb1220983d391295891bc9cbd27db51c46ec37
12. 0x2fc38b57208d692aab1ee89b6e26917df292126314027c27360c5644a63fd0bc
13. 0xc0924a0807e534382f518663123231c317124338831a2b310de2c17b09677086
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae