Evidence row 1507810

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": "2026-10-31T18:39:43.229Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-31T06:02:05.801Z"
    },
    "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":"9c58dc9e902b51bcb1b0b876b26a70a5cfe6e131e882f2050d12fb4b63940b19","id":1507810,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472705071930,"prev":1262227,"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 2026-10-31 (246033 rows).

1. 0x22dae522f6cb496db756852cdd7c4b5d0b3a864c6f59147295201a6199be03b2
2. 0xa9283baefa746b5cf67560165c6100a09269747223928a3e64daf0a2781301c5
3. 0xc019dda8aadbadea52d6ee61479fb419b4f5d8593323e5e0bbab821510b41fc3
4. 0x591003d8ffe2c9219707b44a9b65b206cffdf9ea98a9c75613f8a1bff29996d9
5. 0x73a1a8f3366e6dffb9d12bfdf8b520235ab240335c0751209c7c5d910fadab6d
6. 0xee9af7b2da129786e44481fb0fd589e8cd5922e92324e169f0783edc7a589f27
7. 0x50692019c78ebfc37a3b40784e74e6d19d832af51e0c57d5b37fb8869b6ee648
8. 0x9620860f7b07484ea41ecab670eff9dec5a65a6112f9e5458d882b1b71cfec32
9. 0x57a9af38d569c1da4a5f0ee036be2496571eea2cec1657d1b8b8be4dabe65095
10. 0x39d9486cf3dd2929c2796db1e40f9b1369b9fb9121429f2d9b464c3059795fff
11. 0x0619568af9bf0cf970abedd7dfebeb02af11452b25c95c963c14ac5a9dec54c4
12. 0xc05c427d3e111a524a4dc15aef0c241d92fdf08e1670c34b27c22d513b11991c
13. 0x1f697283f41d2425268978efdad1b5ce0e4fee30f5bc2fba2c8f832307b40721
14. 0x4c7bf6d7d7c379b3c87447200f991359af0970fc33642e540cd6032a5a5b24f6
15. 0x5212e7c531721a66b1d21d8222c94df019d60ce8150c25bfebe2e6eb1dd39726
16. 0x24ea73817c2ff07f87a42be89aff36ac5fe49b64420a647cd406ee60e6a77f70
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0