Evidence row 1261893

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": "2026-10-30T09:55:42.181Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-30T09:55:41.69Z"
    },
    "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":"d6cb1f86453ef5a77dceb52117c23ffbbb5dec2e466a8d0c4a4c187d26bcd1d5","id":1261893,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385517169807,"prev":null,"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 2026-10-30 (243099 rows).

1. 0xa51c5c68cf455ca5c53f98113559518933645eec0b3a820f3aa0dbc23fb30943
2. 0xbb625611ce640c5efa18509b891f5828cf17373e87fa13129e64c35b8a0aef21
3. 0x5e2a8d0855c0e3586ccc291a8545c1d1bb67ddbda4f20a89dcaefd0e356bfaa2
4. 0xf693a12f9f7166f0411194e904eedecc5799805eb77a8582b3c0c11fe3485cb1
5. 0x389b30e044b2ad71d307de5db2de3ec8cfe892f72071b0006ed24f8a9e359c17
6. 0x8224ec987a30c0bd80fe303f5c698b8c96562c48de3b5e6e6773f038198cc16c
7. 0xfd8dec2b1e9ce85768cabe481943e8c766c92a4f4b943d55328f578a695c75ab
8. 0xe72416ccd584d0e231f7a77ff13231568d9f36e9092d30b80d35df33c1ad4582
9. 0xf65f490f28642134c6a5dbc4baab5d8ff2a42d797e3aa88e52f5c9198ab110aa
10. 0x77bf72481d0e9334d5892b935bb0751ba4ce3fb557cd71706b5cfa2e66643e75
11. 0x05a41b4e31a26ca902ae489bd07aacd29b86d5140dab52db8e9471fe27dde82a
12. 0x87cd233b723532856630fb5df2ad521ed7322e91a7197b20eaffb92da234f5a0
13. 0xa2b1de1ad77c2c402e9780077d54e1e375f0df615775330ca3b7f3a0ca384ce1
14. 0xe11a711cdcc033b4d3ff4f10f0568bda761703429a7ddfbf68a7fbd1d22911ff
15. 0x11b43ed362a2fd4976e11eceb94ee4b7edbaf6823474ee1c36489f8f0a0496c4
16. 0x835211170e79bdce1a823ec914e3532e128f77751e9074286da35091b0200284
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861