Evidence row 2200682

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.blackforge.so/v1/latest"
    ]
  ],
  "name": "BlackForge",
  "owner_address": "0x9723b022cebb47ba2af605144ef0b2cd8d85d832",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 25,
        "network": "eip155:8453",
        "payTo": "0x9723b022cebb47bA2af605144EF0B2cD8D85d832",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 25,
        "network": "eip155:42161",
        "payTo": "0x9723b022cebb47bA2af605144EF0B2cD8D85d832",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 25,
        "network": "eip155:137",
        "payTo": "0x9723b022cebb47bA2af605144EF0B2cD8D85d832",
        "scheme": "exact"
      }
    ],
    "description": "BlackForge crypto market data from the major spot exchanges: every column, 1-minute to daily buckets, 90-day lookback. Covers 100 billable rows; finer buckets and premium columns count as more than one row each.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "columns": "price,downDepth5,upDepth30",
              "exchange": "binance",
              "symbol": "BTCUSDT"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "ts": 1793275200000,
              "values": {
                "downDepth5": 48211034.2,
                "price": 112840.5,
                "upDepth30": 91234567.8
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "columns": {
                      "description": "Comma-separated metric keys from GET /v1/catalog. Omitted means every column.",
                      "type": "string"
                    },
                    "exchange": {
                      "description": "Spot exchange the pair trades on.",
                      "enum": [
                        "binance",
                        "bitget",
                        "bybit",
                        "coinbase",
                        "gate",
                        "kraken",
                        "kucoin",
                        "mexc",
                        "okx"
                      ],
                      "type": "string"
                    },
                    "symbol": {
                      "description": "Pair symbol, base then quote with no separator, such as BTCUSDT.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "exchange",
                    "symbol"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793319667/bazaar-icons/b63d38d095f727f4.png",
    "lastUpdated": "2026-11-02T10:21:52.239Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-02T10:21:50.358Z"
    },
    "resource": "https://api.blackforge.so/v1/latest",
    "serviceName": "BlackForge",
    "tags": [
      "crypto",
      "market-data",
      "order-book",
      "trading",
      "ai-agents"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "BlackForge crypto market data from the major spot exchanges: every column, 1-minute to daily buckets, 90-day lookback. Covers 100 billable rows; finer buckets and premium columns count as more than one row each."
}

What the leaf hashes

{"body":"1791a03c29228c82d4f77ca892a85b805bc9f3d4d6c5ad43584d700e1b5f4942","id":2200682,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646797922744,"prev":1261893,"subject":"x402_bazaar:https://api.blackforge.so/v1/latest","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. 0xec8edd14eee3133c13fa8ec6119961fd8fc4388526174a8dab1eec2abac849bc
2. 0x7517f48efdc58035b4d68cf3645eab9e0a388345064546b51544afc5a69e76af
3. 0x768b3bc36432372155f3d3d8dd8da7e1df18a0022f1d657f4edd2e78a500edb8
4. 0xb6d5a7c18a1888d530473ee7c29bccba562b7e34c1798b8e9872c383ff8fdc3f
5. 0x0181587badf219ebe4e9a454d70f04750608de7f91842bce289fda132d4d3436
6. 0x9eac9ad5a04fb30ec5e56081d8c4bfc7620ecd43f084f6f6e9550d55e36e967b
7. 0x3cd27d0df4dcf91108eed12bf706769cf19811048a6068579a0be861e38b5576
8. 0x8e3d2cd65761a9a1e5a5aacb7285d129a9d886a14d10b2a7795b637950c87b03
9. 0xe80fdc2ae8ed38d98982596ee29e85272e5ccafa171890018840fe67c0c791f3
10. 0x14ebf08b40f0c3a47a78e21f8406a3a1145303530205bb03d713c531547833a8
11. 0x9796823e81b5ea9d6492ae99eb02f67cc89cd0a9dc29613b11f414750c71dbed
12. 0x003935e26459cbbc36612e09da82fb445f0b8844d8b644213247fd0844b7407c
13. 0x56222576ccb9eb1523f81d1cc3cad919b4c5bb42ade03a1c402e7008640051ad
14. 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af