Evidence row 76923

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://kette.halowerk.com/wallet/activity"
    ]
  ],
  "name": "HALOWERK kettenwerk",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "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",
        "scheme": "exact"
      }
    ],
    "description": "Reads the transaction history of one wallet from a public block explorer index and groups it by kind of action. Classification follows the called contract and method, never the amount - a transfer to a known router is a swap, not a payment. Anything that cannot be backed by a method name stays in the category \"unbekannt\", which is a valid answer here: a large honest remainder beats an invented assignment. Limits: history comes from a public index available for Ethereum, Base, Arbitrum and Optimi",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "wallet": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "chains": {
                      "description": "Chains to query. Default: ethereum, base, arbitrum, optimism.",
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 4,
                      "type": "array"
                    },
                    "limit": {
                      "default": 100,
                      "description": "Upper bound of transactions examined per chain.",
                      "maximum": 200,
                      "minimum": 10,
                      "type": "integer"
                    },
                    "wallet": {
                      "description": "Wallet address, 0x followed by 40 hex characters.",
                      "type": "string"
                    },
                    "window": {
                      "default": "30d",
                      "description": "Time window. Default 30d.",
                      "enum": [
                        "7d",
                        "30d",
                        "90d",
                        "all"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "wallet"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-19T12:03:33.633Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-19T12:03:33.213Z"
    },
    "resource": "https://kette.halowerk.com/wallet/activity",
    "serviceName": "HALOWERK kettenwerk",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Reads the transaction history of one wallet from a public block explorer index and groups it by kind of action. Classification follows the called contract and method, never the amount - a transfer to a known router is a swap, not a payment. Anything that cannot be backed by a method name stays in the category \"unbekannt\", which is a valid answer here: a large honest remainder beats an invented assignment. Limits: history comes from a public index available for Ethereum, Base, Arbitrum and Optimi"
}

What the leaf hashes

{"body":"2020811be145b4c5eb2c0bd8d31ad53a148273025bc6cf6d0df4d2898db9929e","id":76923,"kind":"listing","method":"baseline/1","observed_us":1793025493134549,"prev":null,"subject":"x402_bazaar:https://kette.halowerk.com/wallet/activity","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. 0x762501d265058032c19cb30d1f11c8ae96a87215a7de69348903d8576d08e721
2. 0xe28b79c4fae0ba9f5bbffa46c6df411f339afb99c5659d3955afc5a349088a0f
3. 0x222c35aa9ddf14c652477d326c0949299dc921c96452b879a020e974ae690472
4. 0xa080b1d0191b85c97712e7ddf65f784d8ba28601982d367d7b746d669162c970
5. 0x7dd43bc3bd59d04530e496456ffd43dfb8e38e9cd68303d566ec2d0e48af606b
6. 0x0bd597e6e9f993248ba0daf1d305a90a37ac70a69674f048d71eab5312a4a62d
7. 0xf8b5f36aa9200d568c308bad05d47775e1bd93a14135657087a39c87d693363b
8. 0x4b7a423176c8d0df991d002f7e1669f2c349bac35ea37ce8fccf7be89d4b06ba
9. 0xa235620a4ae4f7d9957fe2087c615cbd8d4f4274ef5c8fac82586a23aade7b44
10. 0x0e4e5a49876eb9d3620d41239a02b9ca5f630f9d96c45832d28ded515ead4cac
11. 0x93bf58b59f9e2faa3bacdd73462869691f5329b6fe90d298d0df66b6273fb710
12. 0x43ccc5fffcdb82bff6ecf4ac7157c905b45d2f0362e7f7fbe908de1250b9533c
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae