Evidence row 1503021

What was observed

{
  "count": 11,
  "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": "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":"f20cdf8ab5f73d8539a3cb7cfabbe6dc48aab820e32f290d80bbf554294efd51","id":1503021,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793470299247961,"prev":1479212,"subject":"0f9e86ce-708b-4b70-a4fe-b8a480895b7b","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0xb5eb7bc8d4bb1e436f6f52554cba74a871f968643057337f6b37e0d5e2b7c19b
2. 0x6302313433f07a133bcbe2dd90cde57a47eea53752a098b5a252a4b3b44f8e9c
3. 0x1d8b8f52368e22b4321b4c07e1b05eee40c480b3bdb8f85fe3d87eca56489cb3
4. 0xbe450b79efd93d347c327b25e9512fbbc0aa8f4eb8a746757ebd7db6dec7caac
5. 0x33b1481084bd6c669dea5bba0a108bd2e7bf9ed1f2b8a81c663513cb9da98b5b
6. 0x921f4e6a0a75fc500c485c31026b281fb6860376bcda89d8e345a84c176deadc
7. 0x5a110ddf9c37dbd11ebf916eec79113f692617bda86227ea196482f39781e5e0
8. 0xba4ba41f4492997b146c941507cdc386112a45f577145c1e71625b7c3b664ef5
9. 0x49c35c81465fbfa9e9f281f97c57f30b64e303d3799722f87ee1d9d89e68bebc
10. 0xd3ced9a893a216961c7fddac87f563fcf638b6c9b133728d4a76313f2f517bc1
11. 0xe8a6b86e3ec49c7ce755c8deabd6acf94a808cb9f6e05932fdf5d1ddda0f0f12
12. 0xdb3bf1c516fc55ac9e150f487d2650b8eb6f1bc548caa23b8083fdcfafd1e3e3
13. 0xc3ddb373f637398d9ec8fb5c1463a1261a97d1401cfa2b7e180df020e4d48003
14. 0x8185eeafe9adefad89b2d62fb2c2a6beb3fde0409e51deb7d5c1a3c4cb40d65a
15. 0x57afe240b626bf60f6af8c76404811e95ea5519f217fac382bd159177a8ec870
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0