Evidence row 1833758

What was observed

{
  "count": 12,
  "tools": [
    {
      "description": "Full credit bureau report: score breakdown, spend history, risk factors. Cost: 0.01 RLUSD.",
      "inputSchema": {
        "properties": {
          "payment_token": {
            "type": "string"
          },
          "wallet": {
            "type": "string"
          }
        },
        "required": [
          "wallet"
        ],
        "type": "object"
      },
      "name": "bureau_full_report"
    },
    {
      "description": "Portable attestation JWT (24h TTL) proving creditworthiness. Cost: 0.01 RLUSD.",
      "inputSchema": {
        "properties": {
          "payment_token": {
            "type": "string"
          },
          "wallet": {
            "type": "string"
          }
        },
        "required": [
          "wallet"
        ],
        "type": "object"
      },
      "name": "bureau_get_attestation"
    },
    {
      "description": "FICO-style 300-850 Agent Credit Bureau score for any XRPL wallet. Includes grade and loyalty tier. Free.",
      "inputSchema": {
        "properties": {
          "wallet": {
            "type": "string"
          }
        },
        "required": [
          "wallet"
        ],
        "type": "object"
      },
      "name": "bureau_public_score"
    },
    {
      "description": "Verify a bureau attestation JWT. Free.",
      "inputSchema": {
        "properties": {
          "token": {
            "type": "string"
          }
        },
        "required": [
          "token"
        ],
        "type": "object"
      },
      "name": "bureau_verify_attestation"
    },
    {
      "description": "Boolean creditworthiness check — is this wallet above a score threshold? Cost: 0.005 RLUSD.",
      "inputSchema": {
        "properties": {
          "payment_token": {
            "type": "string"
          },
          "wallet": {
            "type": "string"
          }
        },
        "required": [
          "wallet"
        ],
        "type": "object"
      },
      "name": "bureau_verify_threshold"
    },
    {
      "description": "Loyalty tier and free-call balance for any XRPL wallet. Automatic — no registration. Free.",
      "inputSchema": {
        "properties": {
          "wallet": {
            "type": "string"
          }
        },
        "required": [
          "wallet"
        ],
        "type": "object"
      },
      "name": "check_loyalty"
    },
    {
      "description": "Full Agent Passport for any XRPL wallet: payment history, risk score 0-100, loyalty tier, passport hash. Free.",
      "inputSchema": {
        "properties": {
          "wallet": {
            "type": "string"
          }
        },
        "required": [
          "wallet"
        ],
        "type": "object"
      },
      "name": "get_agent_passport"
    },
    {
      "description": "Retrieve a tamper-evident compliance receipt by UUID. Contains XRPL tx hash, agent wallet, endpoint, amount, and timestamp. Free.",
      "inputSchema": {
        "properties": {
          "receipt_id": {
            "type": "string"
          }
        },
        "required": [
          "receipt_id"
        ],
        "type": "object"
      },
      "name": "get_compliance_receipt"
    },
    {
      "description": "Request a payment invoice for any SqueezeOS endpoint. Returns destination address, amount, and payment_options for XRPL (RLUSD or USDC), Xahau (native XAH), Base (USDC), or Solana (USDC-SPL). Pass currency='USDC' and chain='solana' for Solana; pass asset='XAH' (or chain='xahau') for the Xahau rail. Xahau invoices for third-party endpoints also return fee_required/fee_amount/fee_pay_to/fee_memo_hex: a flat 0.01 XAH facilitator fee paid as a second Xahau Payment (SML endpoints are fee-exempt; the XRPL rail has no facilitator fee). Free.",
      "inputSchema": {
        "properties": {
          "asset": {
            "description": "RLUSD (default, XRPL), USDC (XRPL/Base/Solana per chain), or XAH (Xahau)",
            "type": "string"
          },
          "chain": {
            "description": "solana — use Solana USDC-SPL rail; base — use Base USDC rail; xrpl — use USDC on XRPL; xahau — use Xahau native-XAH rail",
            "type": "string"
          },
          "currency": {
            "description": "USDC for Base/Solana rail; omit for RLUSD on XRPL",
            "type": "string"
          },
          "endpoint_id": {
            "description": "UUID of endpoint to pay for",
            "type": "string"
          }
        },
        "required": [
          "endpoint_id"
        ],
        "type": "object"
      },
      "name": "get_invoice"
    },
    {
      "description": "Free, machine-readable merchant fee and loyalty tiers for 402Proof standard x402 v2 XRPL exact resource servers. List $0.0100; 20% discount after 100 prior successful merchant settlements, 30% after 1,000 and 50% after 10,000. Merchant-side fees accrue separately from buyer payments and are NOT automatically collected. No wallet spend, settlement, or subscription is required to call this tool.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "merchant_pricing"
    },
    {
      "description": "Live 402Proof platform stats: total payments, volume, active agents. Free.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "platform_stats"
    },
    {
      "description": "Submit tx_hash after paying an invoice. Supports XRPL, Xahau, Base (0x… hash), and Solana. Returns a signed JWT access_token (1-hour TTL). For a Xahau invoice with fee_required=true, also submit fee_tx_hash (the 0.01 XAH facilitator-fee payment) — settlement requires both payments. Free.",
      "inputSchema": {
        "properties": {
          "agent_domain": {
            "type": "string"
          },
          "agent_wallet": {
            "type": "string"
          },
          "fee_tx_hash": {
            "description": "Xahau only, when the invoice has fee_required=true: tx hash of the 0.01 XAH facilitator-fee payment to fee_pay_to carrying fee_memo_hex",
            "type": "string"
          },
          "invoice_id": {
            "type": "string"
          },
          "recovery_secret": {
            "description": "Private high-entropy secret returned only with the original invoice; required to recover a previously settled token after lost response/restart",
            "type": "string"
          },
          "tx_hash": {
            "description": "XRPL/Xahau: 64-char hex; Base: 0x-prefixed hex; Solana: base58 signature",
            "type": "string"
          }
        },
        "required": [
          "invoice_id",
          "recovery_secret",
          "tx_hash",
          "agent_wallet"
        ],
        "type": "object"
      },
      "name": "verify_payment"
    }
  ]
}

What the leaf hashes

{"body":"d143aa875d259f31e69bcf08953eca7f530209c868973d57fb445808b60b103f","id":1833758,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793570306990553,"prev":null,"subject":"5187c121-932a-4578-afb5-3413032c1cdc","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xa82222f7640f0e2ec9433622860412a9f772c712973718955a5ca33f41d6bc29
2. 0x2bdb30a5e2b476c26cba680756922ef2894469465b4b6b2ff5e05d965a6060c4
3. 0xab0cd213b406c691e4eb30396767d6fd4cb8577753a279f4f74c2b067f53eda6
4. 0x2dfdc72ec6626359482a396004056ffaa6b15b3e828bb0f350a674003262f78c
5. 0x16513545268435a2c8bde440e99300e1bb8d337faae985dee8911f624cf4a887
6. 0xbb16138a64b8e4dad86c679ea0d62139c2ace249badf410c86e04da4ab5056a9
7. 0x0949a4ad1032e791f8e51272bcc9eff90a5acd111595c1eb83d761a860dccff1
8. 0xa640e606cc65c09f31767a81952ac54391ba0c47f8d86b937eada6cc3b21b5d9
9. 0x6886b9ff78abe627b8beeb66697c8964c0e922228a4426d10a54624fbff4dc7e
10. 0xae6dc23316c2da51493ab6ec1346b8e9d65ff8382284da2a9e23e2769eec148b
11. 0x6692dbfe3ffd2cdfe584580eaf72fc3c95e9fea0f7c200a43848a1ab0a06ec82
12. 0x493095934167d82b74bd7af49909c43be10891ae6809488ef8d9693762ade329
13. 0xefff7a00a0f698242a4fbb4741471facf8a07aac283a6d0c44a87bf4a988152e
14. 0x110c6c21e77668de1becd70345e909cedabda185c5eca2a47425fab10ef478be
15. 0xc88d127644e311620e3bcad9c976ab2c79963799278768230b1762de9b7cd724
16. 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90