Evidence row 1262227

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.blackforge.so/v1/series"
    ]
  ],
  "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": {
              "exchange": "binance",
              "from": "2026-10-28T00:00:00Z",
              "interval": "1h",
              "metric": "downDepth5",
              "symbol": "BTCUSDT",
              "to": "2026-10-28T03:00:00Z"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "exchange": "binance",
              "metric": "downDepth5",
              "points": [
                {
                  "quality": 0,
                  "qualityAll": 0,
                  "ts": 1793145600000,
                  "value": 47120334.1
                },
                {
                  "quality": 0,
                  "qualityAll": 0,
                  "ts": 1793149200000,
                  "value": 48211034.2
                },
                {
                  "quality": 0,
                  "qualityAll": 0,
                  "ts": 1793152800000,
                  "value": 46988120.7
                }
              ],
              "symbol": "BTCUSDT"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "exchange": {
                      "description": "Spot exchange the pair trades on.",
                      "enum": [
                        "binance",
                        "bitget",
                        "bybit",
                        "coinbase",
                        "gate",
                        "kraken",
                        "kucoin",
                        "mexc",
                        "okx"
                      ],
                      "type": "string"
                    },
                    "from": {
                      "description": "Start of the range, ISO 8601.",
                      "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}(:\\d{2}(\\.\\d+)?)?(Z|[+-]\\d{2}:\\d{2})$",
                      "type": "string"
                    },
                    "interval": {
                      "description": "Bucket size of each point.",
                      "enum": [
                        "1m",
                        "5m",
                        "1h",
                        "1d"
                      ],
                      "type": "string"
                    },
                    "metric": {
                      "description": "One metric key from GET /v1/catalog.",
                      "type": "string"
                    },
                    "symbol": {
                      "description": "Pair symbol, base then quote with no separator, such as BTCUSDT.",
                      "type": "string"
                    },
                    "to": {
                      "description": "End of the range, ISO 8601.",
                      "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}(:\\d{2}(\\.\\d+)?)?(Z|[+-]\\d{2}:\\d{2})$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "exchange",
                    "symbol",
                    "metric",
                    "from",
                    "to",
                    "interval"
                  ],
                  "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": "2026-10-30T00:21:53.593Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-30T00:21:52.643Z"
    },
    "resource": "https://api.blackforge.so/v1/series",
    "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":"6b2909584761fccb58506581acf6886e9a89ed3a25a3db0d30424334b942940d","id":1262227,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385521079513,"prev":null,"subject":"x402_bazaar:https://api.blackforge.so/v1/series","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x0171b43bcf5199166050ba22e0b9ad2b5aa7a48eb2f663b01da889ff0aa343ac
2. 0x2f1cc0fefba5796fe7e28ef6a7430c7aa8d8da071a3f57db6353ed602c7e10dd
3. 0x566836e5604953edfe10aaab0f1897d69a4f69202d0d04fc271da96f0e90ef4e
4. 0x192600844cc56892b49aadc7b8b822c00d709bb100dc5a098ab6e5258a723135
5. 0x046657a9e270072c831f188f7e54c5a69dd5aa4e55a2dbb1d128b368d30f6b8e
6. 0xf074b7d9599be19b48e543c1d9b7bf345c33eeaa495b290cc9898be4290856b7
7. 0xcbc5a6b964fbef8e533b59b8c73bda4eb33a64f84be86cef3a95928ae4b8f1c4
8. 0xd4a9b1378318cd54902ebbe1d6b54a2f1a13e7b0bfb21283a91a25baf1a9579d
9. 0xcebd5d072feb4ba6a2ae814ca8b86d0fa8c1cdada04ef078e792a2d8d4582269
10. 0xd9da8a2a49170efa1c491324b3d7026a97e7e6ca232c52281ae5cac43e438758
11. 0x256ccea52830a2f036ac76722bbd7e46abea7259dbca5fe029d16d53cfa364a9
12. 0xa1dcaffedf43b192df0f719c0ec805edaa925c119720ae9f42171aca5e2875c3
13. 0x5265c50f3937a978a97dcf6529a74471a0814f84b7759709755dc93a22996c34
14. 0xa0c9900ba7512d3a576c15bf6cc53f55a0645d9bf9b4e2e4c1760d00af98e761
15. 0x2b7a05865245feaf40ea40b73e02d86357af2dcbac9c7b992f1420f5eaa15246
16. 0xe2a9872e1b6a01c55a7a8cc5c05c61f3933255db5c26b9c79be4011d28685b52
17. 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861