Evidence row 305944

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Get global GDP and macroeconomic indicators from the IMF World Economic Outlook. Supports GDP growth, inflation, government debt, current account, and GDP per capita for major economies.",
      "inputSchema": {
        "properties": {
          "countries": {
            "default": "USA,CHN,DEU,GBR,JPN,FRA,IND,BRA",
            "description": "Comma-separated ISO-3 country codes (default: USA,CHN,DEU,GBR,JPN,FRA,IND,BRA)",
            "type": "string"
          },
          "indicator": {
            "default": "NGDP_RPCH",
            "description": "IMF indicator code: NGDP_RPCH (GDP growth), PCPIPCH (inflation), GGXWDG_NGDP (gov debt), BCA_NGDPD (current account), NGDPDPC (GDP per capita)",
            "type": "string"
          },
          "year": {
            "default": "2026",
            "description": "Year for data (default: current year)",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_global_gdp"
    },
    {
      "description": "Get OECD country comparison data for G7 and major economies. Topics: interest_rates (long-term), trade_balance (current account), cpi (inflation).",
      "inputSchema": {
        "properties": {
          "countries": {
            "default": "USA,CAN,DEU,FRA,GBR,ITA,JPN",
            "description": "Comma-separated ISO-3 country codes (default: G7 = USA,CAN,DEU,FRA,GBR,ITA,JPN)",
            "type": "string"
          },
          "topic": {
            "default": "interest_rates",
            "description": "interest_rates | trade_balance | cpi",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_oecd_indicators"
    },
    {
      "description": "Get development indicators from the World Bank for major countries. Covers GDP, population, inflation, unemployment, GDP per capita, and Gini index.",
      "inputSchema": {
        "properties": {
          "countries": {
            "default": "US;CN;DE;GB;JP;FR;IN;BR;CA;AU",
            "description": "Semicolon-separated ISO-2 country codes (default: US;CN;DE;GB;JP;FR;IN;BR;CA;AU)",
            "type": "string"
          },
          "indicator": {
            "default": "NY.GDP.MKTP.CD",
            "description": "World Bank indicator: NY.GDP.MKTP.CD (GDP $), SP.POP.TOTL (population), FP.CPI.TOTL.ZG (inflation), SL.UEM.TOTL.ZS (unemployment), NY.GDP.PCAP.CD (GDP per capita), SI.POV.GINI (Gini)",
            "type": "string"
          },
          "mrv": {
            "default": 1,
            "description": "Most recent values count (default: 1)",
            "type": "number"
          }
        },
        "type": "object"
      },
      "name": "get_world_bank_data"
    }
  ]
}

What the leaf hashes

{"body":"dd4bb30d407f9d8b75f30560bad2cfabe6c0f25daefb51d61ce130ed96224d8c","id":305944,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793056731177416,"prev":null,"subject":"186eeed3-9e7f-4910-9fc3-cceee75de270","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x1563ea5d366104047918a5e248700537f7ea65ba209692191c134dc77c47b9a7
2. 0xa287ed5c06c99a72979a9a241521edddd2152e2b95404d8969b9d666e4b06d06
3. 0x30fccd029bb8f7adaf86b750ff5c729c430f1e57af7676fd179f6f9e954e5f5c
4. 0xe29477a3a4144fdfedbb10b8cd5b675465f045a64e2b0e10da5c0b411064d35d
5. 0xb8662c26b9558ce6c877d39e1b69de6ff4e60cea71387b2512aaba1edbd511b6
6. 0x75144ad8ab6697059eea05d67aa7aa2802c8f11fd10e98ff3df0ce10cc4f9444
7. 0x6e6cff11bbbf648bd2b61d1d0329854b2df2ab5beeb5986a77378a80acfe99e8
8. 0x5e3d0fc793909dcd17d3954f61c2267244dbb58307c4038412b5560308363f21
9. 0x797f34f7e2fd34b2f69435d539960cab8f5c7cd17e1f5b0b2d9b2f39137d523a
10. 0x62971446cc50312a1295d5bf772913e17639cbd732dd41883c8dea522d4637e8
11. 0xb5d5212c69fb335bad2409aa4a0da0469cc6cc62939ca82d5235005f3b154a2b
12. 0x2412cb8bc4d10d94e1eb907d5058dd12133e55416609e1b314e811af76620542
13. 0xff1c28bdf595a3d1333e9915edc68e9c5fded7bd5923fa85870979af34cbc3b3
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae