Evidence row 1791405

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://markt.halowerk.com/orderbook"
    ]
  ],
  "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": "Returns the visible order book of Binance, Coinbase, Kraken, OKX or Bybit for one BASE/QUOTE pair. Levels come as [price, size] with bids descending and asks ascending. depth[] states how much turnover sits within 0.5, 1 and 2 percent of the mid per side, in the quote currency, and additionally as depth_usd where the quote is a US dollar unit. group_bps folds levels into price bands whose price is the size weighted average of the band, for agents that do not want a thousand rows. The exchange up",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "symbol": "BTC/USDT"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "group_bps": {
                      "description": "Optional band width in basis points. Without it the book is returned ungrouped.",
                      "maximum": 500,
                      "minimum": 0.1,
                      "type": "number"
                    },
                    "levels": {
                      "default": 100,
                      "description": "Number of levels per side. Exchanges cap this differently; venue_max_levels names the cap actually used.",
                      "maximum": 1000,
                      "minimum": 10,
                      "type": "integer"
                    },
                    "symbol": {
                      "description": "Trading pair as BASE/QUOTE, for example ETH/USDC.",
                      "pattern": "^[A-Za-z0-9]{2,15}/[A-Za-z0-9]{2,15}$",
                      "type": "string"
                    },
                    "venue": {
                      "default": "binance",
                      "description": "Exchange to read the book from.",
                      "enum": [
                        "binance",
                        "coinbase",
                        "kraken",
                        "okx",
                        "bybit"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "symbol"
                  ],
                  "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": "2026-11-01T07:17:23.835Z",
    "quality": {
      "l30DaysTotalCalls": 10,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-11-01T07:17:23.418Z"
    },
    "resource": "https://markt.halowerk.com/orderbook",
    "serviceName": "HALOWERK marktwerk",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Returns the visible order book of Binance, Coinbase, Kraken, OKX or Bybit for one BASE/QUOTE pair. Levels come as [price, size] with bids descending and asks ascending. depth[] states how much turnover sits within 0.5, 1 and 2 percent of the mid per side, in the quote currency, and additionally as depth_usd where the quote is a US dollar unit. group_bps folds levels into price bands whose price is the size weighted average of the band, for agents that do not want a thousand rows. The exchange up"
}

What the leaf hashes

{"body":"b864658836a10d7f2fa13f7d0ae71792f5e86db443dc035ab5c1cde88940b477","id":1791405,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559983266154,"prev":548424,"subject":"x402_bazaar:https://markt.halowerk.com/orderbook","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x6a1f6f456595b41eccc60cd96af499fc31c88f8098f413c2deb287a9ec1b49a2
2. 0x8f74435e9b1b2fb58baeb786d4499a9a580f15ef590d2ed7e2ae45fc17d7c993
3. 0x5c9130fa020a022ba65021682c1df5536fc5ebc1a1b0dc05ad1c08d7c2b6c2a3
4. 0x1ed9580bfb1fd00e441153579386a9397124a9dfe8ae55e8a6d07fb9100d6b1c
5. 0x7ce951ac2e9ab6b04613b2602ef6a33342ede1a7581666895ccbbd36a107cc57
6. 0xf7500b244b7582c1df89473c3d26335c9614f63b37e337c62a70a7e15bcf56e1
7. 0x44c9e53c0e958198a30899cbca9966388e13c434df980966bf7a1bb015b79be2
8. 0xc612ceb233b39213142aac9225300acd49f3225fc601c1de1cb715382c6574de
9. 0xabf1267360e502a4b8c3d9c9cd66031a685a5f2503360975555b3a560a09f2cc
10. 0xffec86574b8ec310b1694b45b318c35f407f370d6ea2363d87ed014ae2316da8
11. 0x7d83e6bdb335ca44467e046baaeb1d3b6c83fba6742ec9e7dcff2730f1740bbc
12. 0xb9e769552a4ec5c6497a5a5cdde2664f3c8dce153f8c781eff808dd6b24658fd
13. 0x2083851c78484f99ed7086ac61a83081da68bd1ce3b2dfd9a06ce2a7a13fdb11
14. 0x6e52ec74954b02fa6342c949413ce6ced87071b172b1bcf0f6191252f67257fa
15. 0x7c66173839ef153f08dfd346f7ea956e9226e1b7ff05bf4c6cf27436953f336b
16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90