Evidence row 70285

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x402node.dev/chain/contract-creation"
    ]
  ],
  "name": "api.x402node.dev/chain/contract-creation",
  "owner_address": "0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125e",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up",
        "scheme": "exact"
      }
    ],
    "description": "Find who deployed a contract and in which transaction on Ethereum mainnet - lets agents verify a contract's deployer and origin before trusting it, provenance data LLMs cannot look up. contract creator, who deployed, contract deployer, deployment tx, contract origin, contract provenance Accepts payment on Base or Solana — either network works.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "string",
              "chain": "string"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "Contract address (required)",
                      "type": "string"
                    },
                    "chain": {
                      "description": "ethereum (default; only chain supported on free tier)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-09-29T06:44:31.542Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-09-29T06:44:31.263Z"
    },
    "resource": "https://api.x402node.dev/chain/contract-creation",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Find who deployed a contract and in which transaction on Ethereum mainnet - lets agents verify a contract's deployer and origin before trusting it, provenance data LLMs cannot look up. contract creator, who deployed, contract deployer, deployment tx, contract origin, contract provenance Accepts payment on Base or Solana — either network works."
}

What the leaf hashes

{"body":"7f9585855ce333f6ee9ced36e34bb567f7ad66e54e7e67dab9ef70eaeac6f996","id":70285,"kind":"listing","method":"baseline/1","observed_us":1793025480121921,"prev":null,"subject":"x402_bazaar:https://api.x402node.dev/chain/contract-creation","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. 0x0089a39a3264fc7d9a2da012a79559132b38c7e232116b67e9ec3cf44c96652d
2. 0xa23471ff336f00952b991de99e6d15c00aaf9a1e7bc1d3ab8bc00d075e0aaa99
3. 0x178796ae3dcd842566c8efc74a15e0fd0bcde6f553807d9bf52aecf92ad09aac
4. 0xa6b93c9c6821de3f8f5accad12c0ae4f5c5f2530837fb1762ddb21e05e21d112
5. 0xf6711a9b9d814cc5f9f24331f0a1458d51ce78af6e4b586e5261bd0902e8b057
6. 0x7ba863e22ddbdaa332e02fb58e2b73a08910d21812b3a0af507a81699a6ea47d
7. 0x5b0325c62ac4ff120f371f166904dbf0c7fa678d10acc737206425af44384eda
8. 0x7d52deac6a9616c8ee2e44e8e998cc904487dbc624d559c9304e7bc6b2baedcc
9. 0x4f4b1a402d7ba339698163cfae2b6e599b72ed6018d3e89e3cd40d060b77051e
10. 0x1edd2dc9dd36bef0d66bcca09e9894f11e3093f06b9f8a9284ef28d89ac3a155
11. 0x27552701eb5162e9111d06653c360295d04e5cdfe261fe843f9c0fb27ab44c3b
12. 0x9d52e830c7a3480876eca1592c3b5c4a56ee3a8c6fdd4e37c57710b7654e36c7
13. 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae