Evidence row 258307

What was observed

{
  "count": 15,
  "tools": [
    {
      "description": "Read-only aggregated listings from Superteam, Verdikta, poidh, and Agent Bounties. Returns cached jobs, freshness status, and a source disclaimer.",
      "inputSchema": {
        "properties": {},
        "required": [],
        "type": "object"
      },
      "name": "agent-jobs"
    },
    {
      "description": "Self-computed long-tail EVM token quotes from public on-chain DEX pools on Base, BNB Smart Chain and Ethereum. Discovers Uniswap V2/V3 and PancakeSwap pools with eth_call; majors are excluded. V3 depth is estimated. Informational only.",
      "inputSchema": {
        "properties": {
          "chain": {
            "enum": [
              "base",
              "bsc",
              "ethereum"
            ],
            "type": "string"
          },
          "token": {
            "type": "string"
          }
        },
        "required": [
          "chain",
          "token"
        ],
        "type": "object"
      },
      "name": "dex-quote"
    },
    {
      "description": "Domain one-stop lookup: live DNS records (A, AAAA, CNAME, MX, NS, TXT via DNS-over-HTTPS) plus RDAP registration data (registrar, creation and expiry dates, status, nameservers) assembled from public protocol endpoints on our servers. For domain due diligence, phishing-site checks, counterparty infrastructure review and integration pre-checks.",
      "inputSchema": {
        "properties": {
          "domain": {
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "domain-lookup"
    },
    {
      "description": "Email address validation for signup screening, lead cleanup and form verification: syntax check, disposable/temporary-domain detection and a live MX-record lookup for the domain. Returns a deliverability verdict (likely_deliverable, risky, undeliverable, invalid_format) with the MX hosts found. Does not probe individual mailboxes, so catch-all domains may still accept addresses that do not exist.",
      "inputSchema": {
        "properties": {
          "email": {
            "type": "string"
          }
        },
        "required": [
          "email"
        ],
        "type": "object"
      },
      "name": "email-verify"
    },
    {
      "description": "Crypto Fear & Greed Index by alternative.me: current value (0-100) and classification (Extreme Fear, Fear, Neutral, Greed, Extreme Greed) plus optional daily history. The most-cited single market-sentiment gauge for crypto trading agents: position sizing, risk checks and regime detection before trading. Data published by alternative.me for free commercial use with attribution; served from a 30-minute cache.",
      "inputSchema": {
        "properties": {
          "limit": {
            "type": "integer"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "fear-greed-index"
    },
    {
      "description": "Live foreign-exchange reference rates from the European Central Bank (ECB), updated every business day. Convert between 30+ currencies (USD, EUR, GBP, JPY, CNY and more) with a single call: pass base and symbols, get mid-market reference rates as clean JSON. Rates are the ECB daily reference rates, the same source banks and accounting tools cite. Free reference data, republished with attribution.",
      "inputSchema": {
        "properties": {
          "amount": {
            "type": "number"
          },
          "base": {
            "type": "string"
          },
          "symbols": {
            "items": {
              "type": "string"
            },
            "type": "array"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "fx-rates"
    },
    {
      "description": "Run local cryptographic utilities: SHA-256 and SHA-512 hashes, Base64 encode/decode, or a random UUID v4. No upstream service is called.",
      "inputSchema": {
        "properties": {
          "op": {
            "enum": [
              "hash",
              "base64-encode",
              "base64-decode",
              "uuid"
            ],
            "type": "string"
          },
          "text": {
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "hash-tools"
    },
    {
      "description": "Detect the most likely language of text entirely on this server, with ISO 639-1 language code, language name, confidence and alternatives. Supports English, Chinese, Japanese, Korean, Spanish, French, German, Russian, Portuguese and Italian; no upstream request.",
      "inputSchema": {
        "properties": {
          "text": {
            "type": "string"
          }
        },
        "required": [
          "text"
        ],
        "type": "object"
      },
      "name": "language-detect"
    },
    {
      "description": "Parse a phone number locally against the numbering plan using libphonenumber metadata. Returns format and number-plan validity only; current network assignment and subscriber status are not queried. data_source = \"numbering plan (libphonenumber)\".",
      "inputSchema": {
        "properties": {
          "country": {
            "type": "string"
          },
          "number": {
            "type": "string"
          }
        },
        "required": [
          "number"
        ],
        "type": "object"
      },
      "name": "phone-lookup"
    },
    {
      "description": "Generate a QR code image for any text, URL or payment address: returns SVG markup or a base64-encoded PNG rendered on our own servers (qrcode library, MIT). For agents that produce scannable payment requests, links, addresses or tickets but cannot render images themselves.",
      "inputSchema": {
        "properties": {
          "format": {
            "enum": [
              "svg",
              "png"
            ],
            "type": "string"
          },
          "size": {
            "type": "integer"
          },
          "text": {
            "type": "string"
          }
        },
        "required": [
          "text"
        ],
        "type": "object"
      },
      "name": "qr-code"
    },
    {
      "description": "Summarize a US public company's latest SEC-reported Revenue, NetIncomeLoss and Assets from official EDGAR companyfacts. Look up by ticker, CIK or company name; returns filing dates and fiscal periods. Uses SEC public-domain data with a declared User-Agent.",
      "inputSchema": {
        "properties": {
          "cik": {
            "type": "string"
          },
          "name": {
            "type": "string"
          },
          "ticker": {
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "sec-company-facts"
    },
    {
      "description": "TLS/SSL certificate check for any public host: issuer, subject, SAN list, validity window, days until expiry, SHA-256 fingerprint and whether the certificate chain verified. Computed by a direct TLS handshake from our own servers. For uptime and security monitoring agents, vendor endpoint checks and integration pre-flight.",
      "inputSchema": {
        "properties": {
          "host": {
            "type": "string"
          }
        },
        "required": [
          "host"
        ],
        "type": "object"
      },
      "name": "ssl-check"
    },
    {
      "description": "Extract the readable main content of any public web page as clean text: send a URL, get the page title, excerpt and body text with navigation, ads and boilerplate stripped (Mozilla Readability, computed on our own servers). For RAG ingestion, summarization, research and page monitoring. First-party extraction: no third-party reader service is resold.",
      "inputSchema": {
        "properties": {
          "url": {
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "text-extract"
    },
    {
      "description": "Turn unstructured text into strict, machine-readable JSON for agent pipelines: a deterministic, reproducible alternative to an LLM extraction call. Extracts emails, URLs, EVM wallet addresses, transaction hashes, ISO-normalized dates, money amounts, percentages, phone numbers and key:value pairs from invoices, emails, messages, logs or documents. Pass fields or a JSON schema to receive exactly the fields you need. Same input, same output, in milliseconds.",
      "inputSchema": {
        "properties": {
          "fields": {
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "schema": {
            "type": "object"
          },
          "text": {
            "type": "string"
          }
        },
        "required": [
          "text"
        ],
        "type": "object"
      },
      "name": "text-to-structure"
    },
    {
      "description": "Convert Unix seconds, Unix milliseconds or an ISO date to UTC and Asia/Shanghai timestamps. An empty object returns the current time.",
      "inputSchema": {
        "properties": {
          "date": {
            "type": "string"
          },
          "timestamp": {
            "type": "number"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "timestamp-convert"
    }
  ]
}

What the leaf hashes

{"body":"d65b2037b31a9da15f7c5e3715457384a87d370315932ed42ed3dcab7bf4c3c6","id":258307,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793030043052526,"prev":null,"subject":"d4417b96-e843-4c07-87ae-0b2cd950888d","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. 0x35608960b31ab652b87d05e0770c626a21f1ff2053e01a6cd73060f945f4c208
2. 0xb9ed078860829062eb00cc228c377af5c1aa4cc63b9b3e9c22689b2ce7d25c51
3. 0x5851d1bcd8f45f714e7c7519783265c8639f82f9ef5af291221571c1a74f6a0d
4. 0x3a9572dfd8f34ab14365d89487ca295e41e776c66a259651cf3f03c40c46bc78
5. 0x20f929f7543e07d71ffeb4979e283c058b476bece1cf78099fdb8a2a005ad01b
6. 0xb9675536a87ec38cc907c751e4c1d2baa3e63f49bec1af179492699c4ebc4e21
7. 0x50af216de4659e8405f2a71db7b1398bf7db4dd1cf037854d3d4964715413012
8. 0x1bdd6bcf1bf36bfecf2b35e7ba9111db46af1942cc1a330ab1c327f8527a41ea
9. 0xfb1089ccd2c2414c0ea65d29400fbe3cb672be3d5cf77c4be9b86547eb864c9f
10. 0x36bec804120016062991795b06589946d6f9108ba9f84ace37bda5ef8cca7e6d
11. 0x30ae64b0356d2a2933965306373f46f4bf64268b5a265594ef3370f079c19d92
12. 0x992ab7416b80cd368936c788f743fd3ea4576a49e22c75ab0262abf692f8ed6c
13. 0xdfc7a920beab71e6882e75c57bf136a5354c4ea989a35108a69046bc62059090
14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae