Evidence row 568772

What was observed

{
  "count": 9,
  "tools": [
    {
      "description": "Fetch one document or instrument guide returned by search. This is free, read-only content retrieval with no account, credential, payment, or live-price side effects.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "id": {
            "description": "Result id returned by the search tool, for example doc:pricing, doc:quickstart, or instrument:crypto:BTCUSD.",
            "maxLength": 160,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "fetch"
    },
    {
      "description": "Build the exact x402-protected HTTP URL for one live market-data request. Returns method, URL, service notes, pricing docs, and next steps; it is read-only and does not fetch prices, charge a wallet, or submit payment.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "service": {
            "description": "Live HTTP data service to prepare: vwap for crypto VWAP, bidask for crypto pairs or catalog-confirmed equity symbols such as AAPLXUSD, state for AMM state price, vwap30m for latest completed 30-minute close, vwap24h for fixed 24-hour VWAP from the stream cache, fx for currency pairs, or metal for metals.",
            "enum": [
              "vwap",
              "bidask",
              "state",
              "vwap30m",
              "vwap24h",
              "fx",
              "metal"
            ],
            "type": "string"
          },
          "symbol": {
            "description": "Exact pair or ticker to use in the paid HTTP URL, such as BTC-USD, AAPL, MSFT, NVDA, EURUSD, or XAUUSD. Use search_pairs first if unsure.",
            "maxLength": 80,
            "minLength": 2,
            "type": "string"
          }
        },
        "required": [
          "service",
          "symbol"
        ],
        "type": "object"
      },
      "name": "get_market_data_endpoint"
    },
    {
      "description": "Inspect current direct x402 per-call prices, authenticated connector starter-credit costs, supported USDC settlement networks, and the account-plan contact path. This is free read-only metadata; it does not initiate payment.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "get_pricing_info"
    },
    {
      "description": "Inspect Blocksize raw data, supported equity ticker bid/ask, and premium agent-native workflow products, including starter-credit positioning, credit costs, suggested paid prices, endpoint templates, and upgrade path. This is free and read-only.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "get_product_catalog"
    },
    {
      "description": "Build the exact paid HTTP endpoint, method, starter-credit cost, and example body for a premium Blocksize workflow. This is free and read-only; it does not fetch live data, charge credits, or start x402.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "product": {
            "description": "Premium Blocksize workflow product to prepare.",
            "enum": [
              "agent_market_brief",
              "pre_trade_sanity_check",
              "audit_grade_price_receipt",
              "multi_asset_macro_snapshot",
              "spend_controlled_market_monitor",
              "token_market_quality_indicator",
              "state_divergence_indicator",
              "solana_token_brief",
              "trader_alpha_pack"
            ],
            "type": "string"
          }
        },
        "required": [
          "product"
        ],
        "type": "object"
      },
      "name": "get_workflow_endpoint"
    },
    {
      "description": "List the supported instruments for one Blocksize service. This is free, read-only catalog metadata; it does not fetch live prices, create accounts, or start x402 payment.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 100,
            "description": "Maximum instruments to return. Use offset to traverse the stable catalog without requesting the entire upstream array.",
            "maximum": 500,
            "minimum": 1,
            "type": "integer"
          },
          "offset": {
            "default": 0,
            "description": "Zero-based offset into the sorted instrument catalog.",
            "minimum": 0,
            "type": "integer"
          },
          "service": {
            "default": "vwap",
            "description": "Blocksize service namespace to list: vwap for crypto VWAP pairs, bidask for shared bid/ask symbols including supported equities, fx for FX pairs, or metal for metals.",
            "enum": [
              "vwap",
              "bidask",
              "fx",
              "metal"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_instruments"
    },
    {
      "description": "Recommend a sales-assisted Blocksize account plan from expected live-call volume, team size, recurring use, and SLA needs. This is free and does not collect contact details, create an entitlement, or start a purchase.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "expected_monthly_live_calls": {
            "description": "Expected live-data calls per month.",
            "maximum": 100000000,
            "minimum": 0,
            "type": "integer"
          },
          "needs_sla": {
            "default": false,
            "type": "boolean"
          },
          "recurring_days_per_month": {
            "default": 0,
            "description": "Days per month the workflow is expected to run.",
            "maximum": 31,
            "minimum": 0,
            "type": "integer"
          },
          "team_seats": {
            "default": 1,
            "description": "People or service identities sharing access.",
            "maximum": 10000,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "expected_monthly_live_calls"
        ],
        "type": "object"
      },
      "name": "recommend_account_plan"
    },
    {
      "description": "Search Blocksize documentation and catalog metadata by keyword. This free read-only search returns document and instrument ids for fetch; it does not return live prices or start payment.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "query": {
            "description": "Documentation or catalog search query, such as pricing, quickstart, credits, x402, Solana, Base, BTC, or VWAP.",
            "maxLength": 120,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search"
    },
    {
      "description": "Discover supported crypto, equity, FX, and metal symbols before using the paid HTTP API. Returns up to 50 catalog matches with asset class, available services, and pricing tier; it is free, read-only, and never returns live prices or starts payment.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "asset_class": {
            "default": "all",
            "description": "Optional asset-class filter. Use all for the full catalog, crypto for digital assets, equity/equities for catalog-confirmed stock symbols such as AAPLXUSD, fx for currency pairs, or metal for metals.",
            "enum": [
              "all",
              "crypto",
              "equity",
              "equities",
              "fx",
              "metal"
            ],
            "type": "string"
          },
          "query": {
            "description": "Symbol, ticker, asset, or pair to search for, such as BTC, BTC-USD, ETH, AAPL, EURUSD, or XAUUSD.",
            "maxLength": 80,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_pairs"
    }
  ]
}

What the leaf hashes

{"body":"ea54fdf45d08439b8771b38ef6b7fe087d06097bd9e7a1daa3c4e74135275143","id":568772,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793139113989924,"prev":null,"subject":"40d7e5e8-f014-4f63-a2cb-1257152d7ce8","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. 0x1a01d2e3dcc7a62aa671ab1b64688be7c2756b96a9b0b66a8a9cf57795d38083
2. 0x7811f0e49f963549cd04dd651bc595ce9f7c958d4d6811b6ad944dea441aae22
3. 0xfbbd90648f03589c066af37cc9d4dfd4d29def11c0a0f4b38c72a944b528cf1c
4. 0xd150db44ebab04784881dc902d89e24f77f434fe7b13fed4048672f5133ee5a6
5. 0xfb22df490f850e71a5957e68415e865ac67366cc841c7f7af5d6a9ae911cc514
6. 0x5bd5e08ef7a6e08bd04f20756a8e00e5e76e77988b0f603afcf52a5be7c0ceee
7. 0x4d4085e64e0080c5aa701a28d574d9b63f419304fdba45956ca3d52d82bf78a6
8. 0x9b755bf80970b60b33f8e2714c3d44742bc02edc1b0613280698d544c23108db
9. 0x5d18c3c3b31f6ef20e3f2ac511004f6a74f59dd71a77f061ac5d26a344d28ef8
10. 0x8ca3cf648ad334f575232818273f5a79927f4200bd8ffc9e708d2bb1a3bb38df
11. 0xee7752a111eb14027f818d33fc8806527d41f25841a61d0dfd8ec487e0c8660b
12. 0x864874d7fe156494acebcd974fb0ea64b6d7d6ef442b90a07ce8adbc57f7d75b
13. 0xca0b37bb3b043ccf0f24c50fccd9c2f22b7e5290df49886008fc2ff55380fdd1
14. 0x2064e3a2b01d0d12d5079bf720a0d0125e9703c55e92de54ad40c302469ec047
15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4