Evidence row 295627

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Free: live spot, Deribit implied vol (DVOL) and 30d realized vol for BTC, ETH or SOL.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "underlying": {
            "enum": [
              "BTC",
              "ETH",
              "SOL"
            ],
            "type": "string"
          }
        },
        "required": [
          "underlying"
        ],
        "type": "object"
      },
      "name": "market_snapshot"
    },
    {
      "description": "Free indicative quote: fair coupon/participation rounded to 0.5%, probabilities, payoff diagram.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "termSheet": {
            "additionalProperties": {},
            "description": "Term sheet JSON; see /schema/term-sheet.json. Example: {\"underlying\":\"ETH\",\"notionalUsd\":10000,\"issuerMarginBpsPa\":200,\"product\":{\"type\":\"autocallable\",\"tenorDays\":30,\"obsFreqDays\":7,\"autocallBarrier\":1,\"couponBarrier\":0.8,\"knockInBarrier\":0.7,\"memory\":true,\"nonCallDays\":0},\"market\":{},\"seed\":20261023}",
            "type": "object"
          }
        },
        "required": [
          "termSheet"
        ],
        "type": "object"
      },
      "name": "preview_note"
    },
    {
      "description": "falcon.sol structures: structured-note pricing for crypto. Send a JSON term sheet (autocallable, barrier reverse convertible, range accrual, principal-protected, shark fin) on BTC, ETH or SOL; get the fair coupon or participation, probabilities (autocall per observation, knock-in, loss), greeks, a spot x vol scenario grid and payoff-diagram data. Monte Carlo on live Deribit implied vol. Free preview; full quote $0.02 USDC via x402 on Solana or Base. Costs $0.02 USDC (x402).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "termSheet": {
            "additionalProperties": {},
            "description": "Term sheet JSON; see /schema/term-sheet.json. Example: {\"underlying\":\"ETH\",\"notionalUsd\":10000,\"issuerMarginBpsPa\":200,\"product\":{\"type\":\"autocallable\",\"tenorDays\":30,\"obsFreqDays\":7,\"autocallBarrier\":1,\"couponBarrier\":0.8,\"knockInBarrier\":0.7,\"memory\":true,\"nonCallDays\":0},\"market\":{},\"seed\":20261023}",
            "type": "object"
          }
        },
        "required": [
          "termSheet"
        ],
        "type": "object"
      },
      "name": "price_note"
    }
  ]
}

What the leaf hashes

{"body":"d6d1ae893421651bd662b398a9464717537f4c9b7e1af5643ceda48339249830","id":295627,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793051059161370,"prev":null,"subject":"a8ad909b-9eab-4f2e-ba7b-5f2272b44151","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. 0x5ab24f1f63d15eb576f9289c544c35b3a451c884e303dd09b2df87c477853963
2. 0x0f89913f51f6e04f5b2507005374a9ac80d37e88e993c49e0f67f0ea5d14b7c2
3. 0x17d645bcaa94af1beb8252813732230d2631e87cc215809f6a0bd76f8439bfdf
4. 0x42eaadef946c6907e262429f45df072eb5746a40464ff7af3320c2e4990c69ed
5. 0x942947a24b760d3961bc476e40f8430a711b958d6494545ccdb92afd27dec8cc
6. 0x9faf0fac373d140812dbba318cd113106e94bd63346e1ed102a5e904512f1cf0
7. 0x7191248220f9ab11bfc44546c87f4d5f7c1d704b3c170d199a523fa10917bcef
8. 0x551fd418953c98c9771898eed1d3d941b70e242506f147f035b115c54a52ec06
9. 0xb15202d1c1778091104ee26b81c0e098e095455eb9e6476bd094067a45d11d26
10. 0x1622116357fa2542142143deeb8538ad6f5b0f254675b718611465e74e2937f1
11. 0x31cff173ca81a1fa9b4d9989ccba135fa83af9284e85748cedd858f7cc6cb7c0
12. 0xc4c7772b121e7eab8b40f10646f850453150d76d672e4926bf2534db20273157
13. 0xc8abb13c711b67d9f1ef145286ed450a0f5566f054a4b290ea3d711873bcbe20
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae