Evidence row 123004

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://twin.unykorn.org/btc-tip"
    ]
  ],
  "name": "Current Bitcoin block height",
  "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": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxAmountRequired": "3000",
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "52EqTZigRAnBphuYAuREjQJx5H5ryyc1RETpDR2dZFQp",
        "scheme": "exact"
      }
    ],
    "description": "Current Bitcoin block height — Genesis402 / UnyKorn Operator Network",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "params": {}
            },
            "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": "btc-tip"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "body": {
                  "properties": {
                    "params": {
                      "properties": {},
                      "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": "2026-10-25T18:39:42.357Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T18:39:42.102Z"
    },
    "resource": "https://twin.unykorn.org/btc-tip",
    "serviceName": "Current Bitcoin block height",
    "tags": [
      "Bitcoin",
      "BTC",
      "UTXO",
      "non-EVM",
      "onchain data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Current Bitcoin block height — Genesis402 / UnyKorn Operator Network"
}

What the leaf hashes

{"body":"d6772852b5801dd2d44289db3695d28438a262b7165d4a8ed69177084cf2114e","id":123004,"kind":"listing","method":"baseline/1","observed_us":1793025622523220,"prev":null,"subject":"x402_bazaar:https://twin.unykorn.org/btc-tip","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. 0xe5585825622c21af7bae1dfc170c7572f2a4d0ee903d08b39df2f468024f3f99
2. 0xdfac13b0b1a33cefacaa80a6d22a3e0ec3eaa882a931a486fa90be955beba7a0
3. 0x164ef6eb9904275f7880c3152865c3b2115382a517761ba01ff4c8d1e00cf1ee
4. 0x7696aff4e773be6cfaa948021fe594e6c214271787067a0fabd1a34da1acd606
5. 0xd4f064e56f9c88ac486c9f054042bd795a36292cba2f7b2f8fdd270cebc29b5e
6. 0x3d0e202403e3ee9f41f59c85ba1e706df7a1ead0fc345214b3d69e47ef165988
7. 0x49c74f0a3e248a55be56350efcb210afc7fd3211eb7c8576474fe4793c492a57
8. 0xcdb21217b8e5907818badf04095fd2e033ce09c1480f0f65092abc315275e63f
9. 0x8470a378d20677c24d76f1048bc06d23b2f28d184561cd0c31bf8ca5609cc741
10. 0xcbd148ef9ef69a55476f415c8c65fbd198c86afa61a13e712804c482ee3c6193
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