Evidence row 123111

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://twin.unykorn.org/evm-block-by-hash"
    ]
  ],
  "name": "Block header by block hash",
  "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": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
        },
        "maxAmountRequired": "3000",
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "52EqTZigRAnBphuYAuREjQJx5H5ryyc1RETpDR2dZFQp",
        "scheme": "exact"
      }
    ],
    "description": "Block header by block hash — Genesis402 / UnyKorn Operator Network",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "params": {
                "chain": "base",
                "hash": "0x16e944e8cc2f2b0ab6d0b47a7c82dc9dc4910a13b159b5af7c464b09604a20c7"
              }
            },
            "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": "evm-block-by-hash"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "body": {
                  "properties": {
                    "params": {
                      "properties": {
                        "chain": {
                          "description": "EVM chain: ethereum | base | polygon | arbitrum | optimism | bsc | avalanche | gnosis | linea | scroll (default base)",
                          "enum": [
                            "ethereum",
                            "base",
                            "polygon",
                            "arbitrum",
                            "optimism",
                            "bsc",
                            "avalanche",
                            "gnosis",
                            "linea",
                            "scroll"
                          ],
                          "type": "string"
                        },
                        "hash": {
                          "description": "0x-prefixed 64-hex hash",
                          "pattern": "^0x[0-9a-fA-F]{64}$",
                          "type": "string"
                        }
                      },
                      "required": [
                        "hash"
                      ],
                      "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": "2026-10-08T06:12:27.996Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-08T06:12:27.827Z"
    },
    "resource": "https://twin.unykorn.org/evm-block-by-hash",
    "serviceName": "Block header by block hash",
    "tags": [
      "EVM",
      "RPC",
      "onchain data",
      "multi-chain",
      "block"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Block header by block hash — Genesis402 / UnyKorn Operator Network"
}

What the leaf hashes

{"body":"25cb7df6c9497885aca25234d057511465946803167979626ad7df99d44c12e3","id":123111,"kind":"listing","method":"baseline/1","observed_us":1793025622631703,"prev":null,"subject":"x402_bazaar:https://twin.unykorn.org/evm-block-by-hash","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. 0xcd30f47752410032426533f2847302d444a63398c2a86b01f1835af9eff3f4b5
2. 0x82b8e3279a954a4ba384704d2aa0c54b1ebeec76c25a3306bdc7d026ded3b68e
3. 0x5fb75387300260c8927f7b237f6b43833ec29b48565a50482b370fe6c5dbe9ab
4. 0xba25611bc26e77fb0504d37a3a2a1813d460057a8b7bc1cb6f9567d3c62f89fa
5. 0xc159b88aa3edf46c7ef981bd7f1c0e25ba900157a1d95e3486043b5b495234cd
6. 0x4af65c239a27c4959a758e252b71222bd70586176ebbcc2ca68f77a2b7cf049c
7. 0xa8280ea2a6114e82231a17640463bdff6655a58b76920fa62539505da99355d0
8. 0x79ef352b3b857f4f5ca3d6078e16a94c9f3b45e2f8b7e40a95bc0fc6a5c3e2d8
9. 0xcea476671cfb9b6054ad03347d963f1d25bacf7eeb847646ed7c55fcf1982684
10. 0xaeccad08de53b9a0fc92661c50baf377eabe2395bccae896e3122c57861cf518
11. 0xbee3c0dbc9149e89a214e95afe49b5d8a825aaaf7aa1721b2d66bbb287d6fd4d
12. 0xa45f4438c9296b0ba586fc2eec9f0202e5d3c61a1d3adc975b80f6a1f4a5ca57
13. 0xe43762a621da83c0b4b63f549cd2e19c428ac702bfc1038d70233867b06c447f
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae