Evidence row 123088

Observed 26 Oct 2026, 14:40 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://twin.unykorn.org/erc20-domain-separator
Recorded: 26 Oct 2026, 14:40 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: cbab4583ff070a39f446297ab8edbd23706854f23b97f9c0b2245ce5fceb630c
Leaf: 0xa8bb2494162c07514539428885c908d3e9b87905fa5d829c6705267252cc5fd0

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://twin.unykorn.org/erc20-domain-separator"
    ]
  ],
  "name": "twin.unykorn.org/erc20-domain-separator",
  "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": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "maxAmountRequired": "3000",
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "52EqTZigRAnBphuYAuREjQJx5H5ryyc1RETpDR2dZFQp",
        "scheme": "exact"
      }
    ],
    "description": "EIP-712 domain separator of a 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-domain-separator"
            },
            "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": "2026-10-06T06:46:21.05Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-06T06:46:20.881Z"
    },
    "resource": "https://twin.unykorn.org/erc20-domain-separator",
    "tags": [
      "ERC20",
      "token",
      "onchain data",
      "multi-chain",
      "EIP-712"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "EIP-712 domain separator of a token — Genesis402 / UnyKorn Operator Network"
}

What the leaf hashes

{"body":"cbab4583ff070a39f446297ab8edbd23706854f23b97f9c0b2245ce5fceb630c","id":123088,"kind":"listing","method":"baseline/1","observed_us":1793025622605785,"prev":null,"subject":"x402_bazaar:https://twin.unykorn.org/erc20-domain-separator","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).

0xa8bb0147ca9b7ca29652814946c8e9c8340ab76dfc788401fbdc08139ce1285f
0x9ba74be6070b7f9ad2700b1aa30a4507e5cf2019fa01419b8d750960eff0862d
0xbeba399ec9017cbb94eb603c44030f1e7729298daade07af4286aefde273915c
0x71f7a2015165e27568af33d375ae4659ed945c5b0c6be90520e8564140cecaec
0xb812cb88eb4a2ad40accd8f6ae5d406ef68d7120bb77ecb2a325fb997dc5d5ab
0xcf0f230a05d4c0c8e7499b9b68b974b2ab7cabd7ce48a88b47b71375ce9b737e
0x0a754b29303777cf9e666564df2274880aa721ceffd3ea06fab9e7dc14dbf839
0xc06ebd139c7e04ba4287e0d670cfac5fa22955611e9f5168e294293463d96e14
0xc8495fd79f15548d59248d3bd550a134a862eb1298bf9b7f67ba0fee2cce6b3b
0x59283b4f1957eed1ca397cea7a54cad8fd28e2488fdbd3f14185468ebe1209e1
0xcc46e37d035d0d90e3d86104e55f155ffacd1530f11ceef85fa02db50beb78a5
0xb31654882cc5704ae07fa6a4ad12ef5516ea95a5ec8b5affdbdbec199402e29a
0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON