Evidence row 566777

What was observed

{
  "count": 14,
  "tools": [
    {
      "description": "PAID $0.25 (x402, USDC on Base or Solana). Bulk JSON export of one UTC day of 30-minute snapshots for all 20 tracked stock perps (cross-venue gaps, funding, OI).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "date": {
            "description": "UTC day YYYY-MM-DD, default yesterday",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_export"
    },
    {
      "description": "PAID $0.02 (x402, USDC on Base or Solana). Stock-perp funding on trade.xyz, Aster, Lighter and OKX normalized to hourly and APR, interval, next funding time, cheapest venue to long or short, carry spread, optional history (24h/7d/30d). tickers='all' returns the board for every stock perp.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "history": {
            "description": "History window (single ticker)",
            "enum": [
              "24h",
              "7d",
              "30d"
            ],
            "type": "string"
          },
          "min_spread_apr": {
            "description": "Board: minimum APR spread between venues",
            "type": "number"
          },
          "ticker": {
            "description": "One ticker, e.g. NVDA",
            "type": "string"
          },
          "tickers": {
            "description": "'all' for the full board",
            "enum": [
              "all"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_funding"
    },
    {
      "description": "FREE. Basic perp-vs-stock gap for ONE trade.xyz stock perp (e.g. NVDA): perp mark, reference stock price, gap %. Use get_gaps for xStock gap, basis, funding and open interest.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "ticker": {
            "description": "One ticker, e.g. NVDA",
            "type": "string"
          }
        },
        "required": [
          "ticker"
        ],
        "type": "object"
      },
      "name": "get_gap_sample"
    },
    {
      "description": "PAID $0.01 (x402, USDC on Base or Solana). Gap table for up to 60 trade.xyz stock perps (tickers=all for every auto-discovered US stock perp): perp mark/oracle vs reference stock price and Solana xStock, basis, hourly and annualized funding, open interest. Set venues='all' for a cross-venue comparison: trade.xyz vs Aster vs Lighter mark prices, gap % between venues, and each venue's funding (hourly and annualized).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "tickers": {
            "description": "Comma-separated tickers or 'all', max 60 per call, e.g. NVDA or NVDA,TSLA. Defaults to 20 large names.",
            "type": "string"
          },
          "venues": {
            "description": "'all' adds the trade.xyz vs Aster vs Lighter comparison",
            "enum": [
              "all"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_gaps"
    },
    {
      "description": "PAID $0.02 (x402, USDC on Base or Solana). Historical gap time series for one trade.xyz stock perp (up to 90 days; interval 30m/1h/4h/1d): perp vs stock and xStock gaps, basis, funding, OI, plus Aster, Lighter and OKX marks and cross-venue gaps.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "from": {
            "description": "ISO start (UTC), default 7 days ago",
            "type": "string"
          },
          "interval": {
            "description": "Default 1h",
            "enum": [
              "30m",
              "1h",
              "4h",
              "1d"
            ],
            "type": "string"
          },
          "ticker": {
            "description": "One ticker, e.g. NVDA",
            "type": "string"
          },
          "to": {
            "description": "ISO end (UTC), default now",
            "type": "string"
          }
        },
        "required": [
          "ticker"
        ],
        "type": "object"
      },
      "name": "get_history"
    },
    {
      "description": "PAID $0.02 (x402, USDC on Base or Solana). Is a Hyperliquid prediction market on a crypto or stock price cheap or expensive? For every live binary price outcome on one asset: bid, ask, depth, the probability implied by the live perp price and 7d realized vol, edge in pp vs bid and ask, liquidity flag and signal. Bad input or no live market is a free error. Data, not advice.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "asset": {
            "description": "Underlying perp, e.g. BTC, ETH, HYPE, SP500, META (default BTC)",
            "type": "string"
          },
          "min_depth_usd": {
            "description": "Hide markets with less USDC within 5 pp of the touch on either side; default 0",
            "type": "number"
          },
          "outcome": {
            "description": "Optional Hyperliquid outcome id",
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "get_pm_implied"
    },
    {
      "description": "PAID $0.05 (x402, USDC on Base or Solana). Ranked list of the most mispriced liquid Hyperliquid prediction markets right now across crypto and tokenized-stock binary price markets: model probability vs bid/ask, edge in pp, spread, depth and book age; empty and illiquid books filtered. Data, not advice.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "kind": {
            "description": "Default all",
            "enum": [
              "crypto",
              "stocks",
              "all"
            ],
            "type": "string"
          },
          "limit": {
            "description": "1-50, default 20",
            "type": "integer"
          },
          "max_spread_pp": {
            "description": "Default 10",
            "type": "number"
          },
          "min_depth_usd": {
            "description": "Both sides; default 50",
            "type": "number"
          },
          "min_edge_pp": {
            "description": "Default 2",
            "type": "number"
          }
        },
        "type": "object"
      },
      "name": "get_pm_scan"
    },
    {
      "description": "PAID $0.01 (x402, USDC on Base or Solana). Unified live quote for 1-10 stock tickers: perp mark and bid/ask mid on trade.xyz, Aster, Lighter and OKX, Solana xStock and Ondo per-share prices, last US close and the reference used (pre/regular/after-hours/overnight/closed), gap % vs reference, perp spread, best bid/ask, cross-venue arb bps, freshness.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "ticker": {
            "description": "One ticker, e.g. NVDA",
            "type": "string"
          },
          "tickers": {
            "description": "Up to 10 comma-separated tickers instead of ticker",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_quote"
    },
    {
      "description": "PAID $0.03 (x402, USDC on Base or Solana). One-call research card for a single stock perp: spot quote and market session, perp prices on trade.xyz, Aster, Lighter and OKX, gap % per venue vs spot and vs the Solana xStock, funding and basis, recent 72h gap history, and the rule-based verdict. Also xStocks/Ondo token premiums, the extended-hours/overnight trade, the last 4 weekend gaps vs Monday's open and a plain-text summary block. Includes a news block (up to 5 items in 48h: SEC 8-K filings, Fed/BLS macro releases, press-wire items as our own one-line summary + link) and a heuristic news_context label (likely news-driven / news present, move small / possibly macro-driven / no matching news). Data, not financial advice.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "ticker": {
            "description": "One ticker, e.g. NVDA",
            "type": "string"
          }
        },
        "required": [
          "ticker"
        ],
        "type": "object"
      },
      "name": "get_research_card"
    },
    {
      "description": "PAID $0.01 (x402, USDC on Base or Solana). Tokenized stock liquidity for one ticker: each xStocks/Ondo token's Solana pool liquidity, $10k buy/sell price impact, estimated size within 1%, tradable flag, plus Ondo's issuer mint/redeem market.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "ticker": {
            "description": "One ticker, e.g. NVDA",
            "type": "string"
          }
        },
        "required": [
          "ticker"
        ],
        "type": "object"
      },
      "name": "get_token_liquidity"
    },
    {
      "description": "PAID $0.01 (x402, USDC on Base or Solana). Tokenized stocks (xStocks on Solana, Ondo Global Markets): each token's price per share vs the real stock reference, premium/discount %, freshness, chain and liquidity. One ticker, up to 10, or tickers='all'.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "ticker": {
            "description": "One ticker, e.g. NVDA",
            "type": "string"
          },
          "tickers": {
            "description": "Up to 10 comma-separated tickers, or 'all'",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_token_premium"
    },
    {
      "description": "PAID $0.03 (x402, USDC on Base or Solana). Rule-based long/short/watch/avoid verdict for one trade.xyz stock perp, using the perp-vs-stock gap, basis, funding and SEC EDGAR insider and filing signals, with reasons and confidence. Includes a news block (up to 5 items in 48h: SEC 8-K filings, Fed/BLS macro releases, press-wire items as our own one-line summary + link) and a heuristic news_context label (likely news-driven / news present, move small / possibly macro-driven / no matching news). Data, not financial advice.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "ticker": {
            "description": "One ticker, e.g. NVDA",
            "type": "string"
          }
        },
        "required": [
          "ticker"
        ],
        "type": "object"
      },
      "name": "get_verdict"
    },
    {
      "description": "FREE. Catalog of every stock perp and tokenized stock agents can trade: Hyperliquid trade.xyz, Aster, Lighter and OKX perps plus Solana xStocks and Ondo Global Markets tokens. Per market: ticker, venue, symbol / Lighter market_id / Solana mint / Ondo contract, type, live and tradable_now. Use first to see where a ticker trades before get_quote or get_funding.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "instrument": {
            "description": "perp or token",
            "enum": [
              "perp",
              "token"
            ],
            "type": "string"
          },
          "ticker": {
            "description": "Comma-separated tickers, e.g. NVDA or NVDA,TSLA. Recommended: without it you get 2,000+ rows.",
            "type": "string"
          },
          "tradable": {
            "description": "Only markets accepting orders now",
            "type": "boolean"
          },
          "venue": {
            "description": "Comma-separated: hyperliquid-xyz, aster, lighter, xstocks-solana, ondo-gm",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_markets"
    },
    {
      "description": "FREE. Live Hyperliquid HIP-4 binary price outcome markets ('BTC above 82,268 at 2026-10-18 08:00 UTC'): outcome id, asset, strike, expiry, settlement source, bid, ask, depth; empty books filtered. Use first to see what get_pm_implied and get_pm_scan cover. Data, not advice.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "asset": {
            "description": "Optional underlying, e.g. BTC, ETH, HYPE, SP500, XYZ100, META",
            "type": "string"
          },
          "kind": {
            "description": "Default all",
            "enum": [
              "crypto",
              "stocks",
              "all"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_pm_markets"
    }
  ]
}

What the leaf hashes

{"body":"2212b03a100a1c3e16e5e700d84c02ac9c4e1155d63da55cf017f402b91aa10f","id":566777,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138532539985,"prev":null,"subject":"4a74aa4f-ac0a-4dc1-89ff-0bf07b68e2ca","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x6a50c9a34cdea7cb35f0ab9cfc23d78bba1c38fb3f5e22924ce94d1f233436fa
2. 0xe79fc2eb7f1ff81e21d02984960a15133b3cec8944b0ae06bb96abd57d3728ec
3. 0x37ad55c3bd189601217de1fd24e9f5b81b1ddfeda549ebb95d910bc9717eac46
4. 0x4b7dd6fe22577b6b12d7234df8c57c2e571dbb1950a9e5730e4e4fc6a764642b
5. 0x62bd96cd3ab96492495a45060a3bd59c3b209233fd313ce2f8d24a29aeff6307
6. 0x7257263864c1d7872bd819834daebeadaa10bee0ae49525c51db97516891b50b
7. 0xbccf9b1e64aac940f37296f7773fde5a879e740a9d8c50ff75af259c2c98244c
8. 0xe60c044dd75387455f6977aa21858b7f8bf869caa2ef359d4ebcdc3739c71c20
9. 0x8beab0f3ea053c358a50ece7113efbbb08f07884882eef7bce579b8fd3d1956e
10. 0x8292b0c4302eab317dc9442deb7c510d6a5800a9f644e4859ca59b9b2b323e8a
11. 0xf948df558d360ef6260367a5acb11bce86c964cb5608d9fbd474976a57db8d7b
12. 0x1907258a29a881c6f59707e890e9f73f7aff1ace32101f20e208f76e9fac9a60
13. 0x927616fada4e04588c09f6e02e8f6e3a1351bac8355e394da3bd0bf249a5c503
14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4