Evidence row 125070

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-echo-service.onrender.com/chain/eth-balance"
    ]
  ],
  "name": "Native Balance",
  "owner_address": "0x9cc774a8ed49d89cba1a288f4a050b8f7fba77ee",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x9Cc774A8eD49d89cBA1A288F4a050B8F7FbA77EE",
        "scheme": "exact"
      }
    ],
    "description": "Read the native ETH balance of an address on Base. POST {\"address\":\"0x...\"} and receive the balance in wei and in ether. Live chain state read directly from a node, with no indexer lag and no API key.",
    "extensions": {
      "bazaar": {
        "category": "Infra",
        "coverImage": "https://x402-echo-service.onrender.com/icon.png",
        "info": {
          "input": {
            "body": {
              "address": "0x9Cc774A8eD49d89cBA1A288F4a050B8F7FbA77EE"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0x9Cc774A8eD49d89cBA1A288F4a050B8F7FbA77EE",
              "ether": "0.0",
              "wei": "0"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "address": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json"
                  ]
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "bodyType",
                "body",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "address": {
                      "type": "string"
                    },
                    "ether": {
                      "type": "string"
                    },
                    "wei": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "address",
                    "wei",
                    "ether"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json"
                }
              },
              "required": [
                "type",
                "example"
              ],
              "type": "object"
            }
          },
          "required": [
            "input",
            "output"
          ],
          "type": "object"
        },
        "serviceName": "Native Balance",
        "summary": "Native ETH balance for any address on Base.",
        "tags": [
          "eth",
          "balance",
          "base",
          "onchain",
          "native"
        ]
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1787754105/bazaar-icons/222b7a4262b684da.png",
    "lastUpdated": "2026-10-09T12:44:21.665Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-09T12:44:21.509Z"
    },
    "resource": "https://x402-echo-service.onrender.com/chain/eth-balance",
    "serviceName": "Native Balance",
    "tags": [
      "eth",
      "balance",
      "base",
      "onchain",
      "native"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Read the native ETH balance of an address on Base. POST {\"address\":\"0x...\"} and receive the balance in wei and in ether. Live chain state read directly from a node, with no indexer lag and no API key."
}

What the leaf hashes

{"body":"dff5d59f0ed583e53aec9116be6b765b6dc9cdf645ea6676c546eb1132396937","id":125070,"kind":"listing","method":"baseline/1","observed_us":1793025625765586,"prev":null,"subject":"x402_bazaar:https://x402-echo-service.onrender.com/chain/eth-balance","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. 0xc5b9c89463c3e63811371be61d7b61bde4fcc574b325343bf1429ef8348da75f
2. 0x7dc7ee43c676cfcb9d28f44c0887aebd483fb5c4871e8bcb6aca7fd8be6aaeac
3. 0x4911fe073f8ea4472dd819905586a3f30e2e191a8ef24b8e08e64dd0e202a6fb
4. 0x083bc18f09a4212226e386be9400075fae38d04253ce719d8a1f978e95c5fa83
5. 0x5aba9d6a99e0cb00d210eef3ee6985a21553a2f469dab6078ebb40abc395b0ae
6. 0xa6629f0befc093cfee12cc6bbbf26e3e42860647c4d48ca080fcf5d105e5d862
7. 0x891a71fad2c54375d944d24d111565733947a996b6243b49233266e69be1b368
8. 0x0089871b9926bfffec06bda92e8c5aa3f1051796e8ec0d1d1b7044d7eb67b292
9. 0xb94e1475ad75058bab5545aea4c4c9f6c4a6f7250aaaad0f06b4c4485f1643f9
10. 0x4a766015a1173570ffc438320afd677a41ae92be39f86b768798615ce79c79a4
11. 0xd2a07d39f43cc6c0a549d9e0f8d8244992bef3f66efa78aea10852590e0fc7dd
12. 0x4d1a020de7fc0aa076daeb62ebb904d51ac6c607b605eb63a7855f34d7b69f1b
13. 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae