Evidence row 2241671

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://markt.halowerk.com/peg"
    ]
  ],
  "name": "HALOWERK marktwerk",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "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": "Quotes each stablecoin against real US dollars on Kraken and Coinbase and, separately, against USDT on Binance, OKX and Bybit. Only the dollar quotes enter median_price and deviation_bps, because a USDT quote measures two stablecoins against each other and not the dollar; those are reported apart and labelled. Deviation is always in basis points against 1.00, never in percent. agreement is the point of the whole endpoint: a deviation at a single venue is a venue problem, a deviation everywhere i",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "peg_band_bps": 50,
              "stablecoins": [
                "USDC",
                "USDT"
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "peg_band_bps": {
                      "default": 50,
                      "description": "Half width of the peg band in basis points, used for depth_at_peg.",
                      "maximum": 500,
                      "minimum": 1,
                      "type": "number"
                    },
                    "stablecoins": {
                      "default": [
                        "USDC",
                        "USDT",
                        "DAI"
                      ],
                      "description": "Stablecoin tickers, for example USDC, USDT, DAI, PYUSD, USDG, RLUSD.",
                      "items": {
                        "pattern": "^[A-Za-z0-9]{2,10}$",
                        "type": "string"
                      },
                      "maxItems": 6,
                      "minItems": 1,
                      "type": "array",
                      "uniqueItems": true
                    },
                    "venues": {
                      "description": "Exchanges to use. Without it all connected ones are used.",
                      "items": {
                        "enum": [
                          "binance",
                          "coinbase",
                          "kraken",
                          "okx",
                          "bybit"
                        ],
                        "type": "string"
                      },
                      "maxItems": 5,
                      "minItems": 1,
                      "type": "array",
                      "uniqueItems": true
                    }
                  },
                  "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": "2026-11-02T15:01:05.003Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T15:01:04.802Z"
    },
    "resource": "https://markt.halowerk.com/peg",
    "serviceName": "HALOWERK marktwerk",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Quotes each stablecoin against real US dollars on Kraken and Coinbase and, separately, against USDT on Binance, OKX and Bybit. Only the dollar quotes enter median_price and deviation_bps, because a USDT quote measures two stablecoins against each other and not the dollar; those are reported apart and labelled. Deviation is always in basis points against 1.00, never in percent. agreement is the point of the whole endpoint: a deviation at a single venue is a venue problem, a deviation everywhere i"
}

What the leaf hashes

{"body":"bacb66770af73e51c96a661b214e586c3ad137def77892bc1a2f21e728e95d9c","id":2241671,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647629623951,"prev":null,"subject":"x402_bazaar:https://markt.halowerk.com/peg","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. 0xb8fde3ed981f7d5816f770cc4a21a63e7fb1feb6764dc18872eb08cae2e792c0
2. 0x1bf14d04c9ea7c3d3ded42e46d561d63bcbc29cdac819d8406ed4d1f7bf6c781
3. 0x3295414420178518cc88adde6de066997fcd1957ef5cf3506c5f4fa203c68697
4. 0xe48c0198858e86fc897b0f7987eb929422f93af855633c7b5d6404ed03b6587b
5. 0x652c069c39c466740c993860e5bc525d09f0b64118582cb330b8f91c38041588
6. 0x456ce1e930c7d5a073b6a2735bd12aeb388054f6cd6ab935d527b0438a13e5cc
7. 0x0532e5c561cfa28314466b8f319b6d1f0381ef55afb3685018b1e90eab91a532
8. 0x240c96d8556a1c43c4028ce684382fb499ff4e10800cb191c1172bec6753c3a6
9. 0x8c52a2a525aeb7c42cbe712e70685a32c910ce93efdab3091cb54848a1eb5f31
10. 0x3d89728bcfc6f58d2bc824480402ea2b85f7c3551a11ec2eef63a1a1fb2ac94f
11. 0xa0dac4420294ca178381670ade9e2e4b44665ab089f2300923a88401edae2378
12. 0x963d651d919bdd696be66242b0ee6514bbe3c46940834688ade9fad9027b0b2b
13. 0x080572f8942a728701d6e4c74c76b04c122aa149d1dbdef56feb8ce007a745b1
14. 0xc1d961be09ff84253ce4ecf4b141b3c25631ce9eb1cc0a3197e5d83d03240ee4
15. 0x834b6b9a36b42da183e2542785e8d2d7548ace455268a81922edbe6020cef644
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af