Evidence row 123279

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

Kind: listing
About: source_record x402_bazaar:https://twin.unykorn.org/slippage-calc
Recorded: 26 Oct 2026, 14:40 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 3c1358e15aaf54d87be93fdc448ebeb94d138e138aeb7bcb9a06a3952f29ff34
Leaf: 0x0bf46efe6effe4ec6f803177084e9429b91cc79e6d5c8cf8b79dfb66cfafc018

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://twin.unykorn.org/slippage-calc"
    ]
  ],
  "name": "twin.unykorn.org/slippage-calc",
  "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": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxAmountRequired": "3000",
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "52EqTZigRAnBphuYAuREjQJx5H5ryyc1RETpDR2dZFQp",
        "scheme": "exact"
      }
    ],
    "description": "Slippage between an expected and an actual fill — Genesis402 / UnyKorn Operator Network",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "params": {
                "actual": "995",
                "expected": "1000",
                "toleranceBps": 50
              }
            },
            "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": "slippage-calc"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "body": {
                  "properties": {
                    "params": {
                      "properties": {
                        "actual": {
                          "description": "string",
                          "type": "string"
                        },
                        "expected": {
                          "description": "string",
                          "type": "string"
                        },
                        "toleranceBps": {
                          "description": "non-negative integer",
                          "minimum": 0,
                          "type": "integer"
                        }
                      },
                      "required": [
                        "expected",
                        "actual"
                      ],
                      "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": "2026-10-06T07:09:56.556Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-06T07:09:56.422Z"
    },
    "resource": "https://twin.unykorn.org/slippage-calc",
    "tags": [
      "finance",
      "calculation",
      "deterministic",
      "quant",
      "slippage"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Slippage between an expected and an actual fill — Genesis402 / UnyKorn Operator Network"
}

What the leaf hashes

{"body":"3c1358e15aaf54d87be93fdc448ebeb94d138e138aeb7bcb9a06a3952f29ff34","id":123279,"kind":"listing","method":"baseline/1","observed_us":1793025622973924,"prev":null,"subject":"x402_bazaar:https://twin.unykorn.org/slippage-calc","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).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON