Evidence row 1727663

What was observed

{
  "count": 7,
  "tools": [
    {
      "description": "FREE: current Crypto Pulse Prediction Arena round timing (open/cutoff/close UTC), whether entries are accepted, entry counts, and top of leaderboard. No payment.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "arena_current_round"
    },
    {
      "description": "FREE: arena leaderboard. Default is the current daily round. Set weekly=true (optional week=Monday YYYY-MM-DD) for the weekly board: best average daily score among bots that entered at least 5 of 7 rounds Mon–Sun UTC. Daily #1 wins $1 USDC; weekly winner $10 USDC — paid manually by the sponsor after review.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "round": {
            "description": "Optional daily round id YYYY-MM-DD",
            "type": "string"
          },
          "week": {
            "description": "Optional week id (Monday YYYY-MM-DD UTC)",
            "type": "string"
          },
          "weekly": {
            "description": "If true, return the weekly leaderboard",
            "type": "boolean"
          }
        },
        "type": "object"
      },
      "name": "arena_leaderboard"
    },
    {
      "description": "FREE Crypto Pulse Prediction Arena rules: daily UTC rounds for BTC/ETH/SOL close predictions, free entry (no purchase necessary), scoring by average abs % error, sponsor-funded prizes paid manually after review. Server never handles bot private keys.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "arena_rules"
    },
    {
      "description": "FREE: submit or update a signed BTC/ETH/SOL price prediction for the current (or given) arena round. Pass a pre-signed payload — the server never receives private keys. Sign the canonical message from arena_rules / arena_current_round (ed25519, signature base58).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "asset": {
            "enum": [
              "BTC",
              "ETH",
              "SOL"
            ],
            "type": "string"
          },
          "botName": {
            "description": "Optional display name",
            "maxLength": 32,
            "type": "string"
          },
          "price": {
            "description": "Predicted USD spot at round close",
            "exclusiveMinimum": 0,
            "type": "number"
          },
          "roundId": {
            "description": "Round id YYYY-MM-DD (settlement midnight UTC)",
            "type": "string"
          },
          "signature": {
            "description": "Base58 ed25519 signature over the canonical message",
            "type": "string"
          },
          "wallet": {
            "description": "Base58 Solana public key",
            "type": "string"
          }
        },
        "required": [
          "roundId",
          "wallet",
          "asset",
          "price",
          "signature"
        ],
        "type": "object"
      },
      "name": "arena_submit_prediction"
    },
    {
      "description": "PAID live full pulse ($0.02 USDC on Solana via x402). One call replaces four data sources (spots + Fear & Greed + Hyperliquid funding + DefiLlama). This MCP tool returns payment requirements and the HTTP URL — pay via x402 HTTP (Solana USDC), then GET the URL. For a free preview call get_market_sample first.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "asset": {
            "description": "Optional: request the single-asset HTTP URL instead of full pulse",
            "enum": [
              "BTC",
              "ETH",
              "SOL",
              "HYPE"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_market_pulse"
    },
    {
      "description": "FREE sample of the crypto market pulse (same JSON shape as paid /v1/pulse): spots, Fear & Greed, Hyperliquid funding, DefiLlama TVL/yields, plus a plain-English summary line. Data may be up to 15 minutes old. Use get_market_pulse for live paid data.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "get_market_sample"
    },
    {
      "description": "PAID live BTC/ETH/SOL/HYPE spot prices only ($0.005 USDC). Returns payment requirements + HTTP URL for x402. Prefer get_market_pulse when you also need Fear & Greed, funding, or DeFi. Free preview: get_market_sample.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "get_market_spots"
    }
  ]
}

What the leaf hashes

{"body":"1887fc6a0e8ac24f7d7b0e11114c56702dac1f4f23dba9d171ae112f9f0127a1","id":1727663,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793497811132699,"prev":null,"subject":"ceb24f8a-c4b1-4bc8-af0a-e094fa2b001f","subject_kind":"endpoint"}

Proof

Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.