Evidence row 2241678

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://markt.halowerk.com/token"
    ]
  ],
  "name": "HALOWERK marktwerk",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "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": "Takes a chain key and a contract address, or one of a short list of globally unambiguous symbols. A symbol that is not on that list is refused with 400 and a pointer to the address rather than resolved to a guess: the same ticker exists on every chain, and the imitations carry it deliberately. price_usd, decimals and symbol come from the source as they are. confidence is passed through unsmoothed, and this is the point of the endpoint: where the source omits the field, the answer carries null an",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "chain": "base"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "address": {
                      "description": "Contract address of the token. EVM address as 0x with 40 hex digits, or the mint address on non EVM chains.",
                      "pattern": "^(0x[a-fA-F0-9]{40}|[A-Za-z0-9]{32,44})$",
                      "type": "string"
                    },
                    "chain": {
                      "default": "base",
                      "description": "Chain key of the source, for example ethereum, base, arbitrum, optimism, polygon, bsc. Required together with address.",
                      "pattern": "^[a-z0-9_-]{2,24}$",
                      "type": "string"
                    },
                    "symbol": {
                      "description": "Alternative to address, only for globally unambiguous symbols: BTC, ETH, SOL, BNB, XRP, ADA, AVAX, DOT, MATIC, LINK, UNI, AAVE, DOGE, LTC, ATOM. Anything else is refused with 400.",
                      "pattern": "^[A-Za-z0-9]{2,10}$",
                      "type": "string"
                    }
                  },
                  "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": "2026-11-02T14:53:34.175Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T14:53:33.766Z"
    },
    "resource": "https://markt.halowerk.com/token",
    "serviceName": "HALOWERK marktwerk",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Takes a chain key and a contract address, or one of a short list of globally unambiguous symbols. A symbol that is not on that list is refused with 400 and a pointer to the address rather than resolved to a guess: the same ticker exists on every chain, and the imitations carry it deliberately. price_usd, decimals and symbol come from the source as they are. confidence is passed through unsmoothed, and this is the point of the endpoint: where the source omits the field, the answer carries null an"
}

What the leaf hashes

{"body":"42e48a60678cc7a78aa1180a267d10abcae121a3546a0d84a08a19c107c37237","id":2241678,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647629641258,"prev":null,"subject":"x402_bazaar:https://markt.halowerk.com/token","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xdc05f74926fb1842aec137b120dafa1cc1fe33124e7260ab8ee822d99923e133
2. 0x8580cc434fdccdb939054d3ab17f48521d98da21252e6d276a425842ee339640
3. 0x1a56099aa475108d6c8cfa67d8c4d132f702fde107b8f419127c9d555787e21c
4. 0x2ddfaa0debd37119106b8dfcd22f7392a07295fd527204f2797c332e77ee65f1
5. 0xd1cf2fb49d3d01d56d71421479f10808862eab18a8538c5f09cbb436105d0cb6
6. 0x9ffc361639a941b78fb46cd4377d7918e988239d33712a711fb4feff2fb9e9e3
7. 0x60702b211f83190c46d98a32c67b077cd941f9ede5a0759dfb59aa963e01e376
8. 0xcb359ef48b3f8de5c0792851907b31ae7dfb041dafb9129e495c55d2dd4c5292
9. 0x5be5db5e4a0445ccf4b4a393aaa59f5ce183b14492cf1af859b17ce83ad547c3
10. 0xabd61769c2f9f7d1a883e7759c05b8a7372fcc2359535d1aeba8251e2401fac3
11. 0x21c57cfea31770387b0e151b0992d9194297dd254d4b64a11ec4e4a281bd6e99
12. 0xdaed05bad2a1cdaa5f52d32d403aa69b5ad3e42c64c1772d4dd5905889bf2276
13. 0x4d734793ac74750cbdf1c30c6305a901fe0ac2ddf5819c226b382460e68290cd
14. 0xaed7c1080b4ff0b1fc4f851df0f2b8b4ef86b106015aa3aaf8da39a641c41a3d
15. 0xa370e8e015a32408a8112e54e5f40a8a65e871bd52bbc6f25fbd1139f2ba5b11
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af