Evidence row 75688

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://gaming.halowerk.com/v1/nft-metadata-mutate"
    ]
  ],
  "name": "HALOWERK gamingwerk",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Applies ordered set/remove attribute and set name/description operations to caller-supplied metadata, then hashes canonical output. It does not mint, sign, upload, mutate an on-chain token, preserve media, or verify ownership.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "bodyType": "json",
            "exampleUrl": "https://gaming.halowerk.com/v1/nft-metadata-mutate/schema#/requestExample",
            "method": "POST",
            "schemaUrl": "https://gaming.halowerk.com/v1/nft-metadata-mutate/schema#/inputSchema",
            "type": "http"
          },
          "output": {
            "example": {
              "asset_id": "sword-0042",
              "metadata": {
                "attributes": [
                  {
                    "key": "level",
                    "value": 4
                  }
                ],
                "description": "A reforged weathered steel blade.",
                "name": "Harbor Blade"
              },
              "metadata_sha256": "8ed99a2e35d3c34a3abf17f72aaf9b1151c9eea51c5bac689ce69c2e5a8aefbd",
              "method": "ordered deterministic patch of bounded off-chain metadata fields",
              "mutation_scope": "off_chain_payload_only"
            },
            "exampleUrl": "https://gaming.halowerk.com/v1/nft-metadata-mutate/schema#/outputExample",
            "schemaUrl": "https://gaming.halowerk.com/v1/nft-metadata-mutate/schema#/outputSchema",
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": true,
          "properties": {
            "input": {
              "additionalProperties": true,
              "properties": {
                "bodyType": {
                  "const": "json"
                },
                "exampleUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "method": {
                  "const": "POST"
                },
                "schemaUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType"
              ],
              "type": "object"
            },
            "output": {
              "additionalProperties": true,
              "properties": {
                "exampleUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "schemaUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "type": {
                  "const": "json"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T00:13:45.042Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-26T00:13:44.836Z"
    },
    "resource": "https://gaming.halowerk.com/v1/nft-metadata-mutate",
    "serviceName": "HALOWERK gamingwerk",
    "tags": [
      "iot",
      "gaming",
      "metadata"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Applies ordered set/remove attribute and set name/description operations to caller-supplied metadata, then hashes canonical output. It does not mint, sign, upload, mutate an on-chain token, preserve media, or verify ownership."
}

What the leaf hashes

{"body":"b2000899e94fea5846653e21c3ccc861868ff9c2ccc0d9aa39bfc182e933e59f","id":75688,"kind":"listing","method":"baseline/1","observed_us":1793025490989614,"prev":null,"subject":"x402_bazaar:https://gaming.halowerk.com/v1/nft-metadata-mutate","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. 0xf15bc696ef81c4f1d42f847355ba85ec5dd49a8d335dbbe05868f722c36460f7
2. 0x5229a83671ae35b4f1724f824ed99829395dced1e30e8c0637d3a6fb0ad45587
3. 0x08809bccda65478dcbca36a9f7f33488dfb405f5275edd4dd9e112caa004fd94
4. 0x81caef1f3a46526e53b27a020848c914db14b4deb389a7982905f88bb2a63d06
5. 0x2efaded34270827158b2f975087c6bf3ab918a17b2f7abe2e923121534f93e3a
6. 0x8a2bbe1593c8ba7dc0c3a60e177b385f894f76ee2202f1d768071663d162a161
7. 0x02b3eca943cbd600a10a1f0442313c1304ea5d75aa6cc280c6405d058558c522
8. 0x6eb82cd8774fa76b4f14a3cb225ddf4caf045dc5e7abd1fd27b44c21342fe82d
9. 0x46613c0a42d561a7a07ec88601367eb9190899add6946bf0d246502a841548b6
10. 0x1374d43b83adaf6956b75a4ffa6be9b5d88f279b0e1f9aa9cb997253f28541e1
11. 0x3fbb508bb3373d829808c4b964e49bf52f1a8877acba747d2b92b5eac81e6259
12. 0x4d2e94451b5ffc570a23dee9d1525bc305f1009994ffe23d8e2e7d45c60f6209
13. 0xa26f0437cba4d7d64f1cf98bf4f490e1ebb6f66a5e2331537b7ba8b3061084e0
14. 0xd769d41500075835c3b2f9184d223699fb983fd05c29fbcb44d964abc7ee380d
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae