Evidence row 117253

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mpp.tracefast.xyz/api/v1/chains/1/contracts/:address/bytecode"
    ]
  ],
  "name": "TraceFast",
  "owner_address": "0x2a65491e93ad0d484b74405401a38e2e0e5edd7e",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2A65491E93Ad0d484b74405401A38e2E0E5EDd7e",
        "scheme": "exact"
      }
    ],
    "description": "TraceFast live Ethereum data: the current runtime bytecode of a contract as hex, with its code hash and a structural fingerprint that is equal across contracts sharing the same logic. Up to 24 576 bytes of code. An address with no indexed code answers 404. Path address: The contract address, `0x`-prefixed, 40 hex characters, any case. Docs: https://docs.tracefast.xyz/api/contract-bytecode.md",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "address": "0xdac17f958d2ee523a2206206994597c13d831ec7"
            },
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                "bytecode": "0x606060405260043610610196576000357c010000000000000000000000000000…",
                "bytecodeSize": 11075,
                "chainId": 1,
                "codeHash": "0xb44fb4e949d0f78f87f79ee46428f23a2a5713ce6fc6e0beb3dda78c2ac1ea55",
                "fingerprint": "0x342eb72f3a7527ffefead535d3acf6841ccb69f356b20a4593952adf7431cd92"
              }
            },
            "type": "json"
          }
        },
        "routeTemplate": "/api/v1/chains/1/contracts/:address/bytecode",
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "type": "object"
                }
              },
              "required": [
                "method"
              ]
            }
          }
        }
      }
    },
    "lastUpdated": "2026-10-01T12:33:30.357Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-01T12:33:30.13Z"
    },
    "resource": "https://mpp.tracefast.xyz/api/v1/chains/1/contracts/:address/bytecode",
    "serviceName": "TraceFast",
    "tags": [
      "blockchain",
      "ethereum",
      "address-intelligence",
      "labels",
      "entities"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "TraceFast live Ethereum data: the current runtime bytecode of a contract as hex, with its code hash and a structural fingerprint that is equal across contracts sharing the same logic. Up to 24 576 bytes of code. An address with no indexed code answers 404. Path address: The contract address, `0x`-prefixed, 40 hex characters, any case. Docs: https://docs.tracefast.xyz/api/contract-bytecode.md"
}

What the leaf hashes

{"body":"75d6047fec5553917e8461121a1a54f48e5e208e0fe585ed9ab08cbe1cb6c017","id":117253,"kind":"listing","method":"baseline/1","observed_us":1793025610922689,"prev":null,"subject":"x402_bazaar:https://mpp.tracefast.xyz/api/v1/chains/1/contracts/:address/bytecode","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. 0xcfdde51064b9b6fad377229680676b4a496e2ba5fc056193f86c91d48c986faa
2. 0x88478bcf364b0d42a16b62ba135368a21a339c12e8873350e9c7897a93540c80
3. 0x008d0278a8062165f6e163c071b5d8aed13a7fd6321cdd2bc8f99eb3295a88d8
4. 0x5f6ae48dd6f86a6c5451ef1dd9c3bff9251589f97e7189014a51ebcb82486b21
5. 0xa3766a8b4e207276bc64f65c37c7615675465c32bc1679ecea840e563488f3c1
6. 0x2e243eb04641e1310b5178736d872b70b2c4b45cd067b43a577aa4c9dafa50ce
7. 0xf8005f02c298edea2b378e6077b60962fbba4c3fc772a9b07ddfa1ab3759cb7f
8. 0x192cc4a876c9648278f5ac181ec9a7d3ae4cc95356cf384d497637ce39c4834b
9. 0x52dbc4ae429376c97213f4f84a5eeadb0bf802c0f8c263e05a04c4f3fe6b0f2b
10. 0x0b686dbafff3016a42481f12f34ebfe6ab887a7ca8848d16b83a5946fcda3181
11. 0x026c75973d292b16fc9c1aefff047e2e4656075d16803275f6ae428cf2826ee1
12. 0x3f401930661bff9a668037b662b5b8766fa60035f100a3e9fc585c576d892ffa
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