Evidence row 1233649

What was observed

{
  "count": 9,
  "tools": [
    {
      "description": "PRO. Count US business days between two dates (excludes weekends and federal holidays).",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "from": {
            "type": "string"
          },
          "to": {
            "type": "string"
          }
        },
        "required": [
          "from",
          "to"
        ],
        "type": "object"
      },
      "name": "business_days"
    },
    {
      "description": "Active TLS certificates for a domain from Certificate Transparency logs (crt.sh): issuers, names, validity dates.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "domain": {
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "cert_history"
    },
    {
      "description": "FREE. Domain trust quick check: registration date, age in days, registrar, expiry and risk flags from RDAP. Accepts a domain or URL.",
      "inputSchema": {
        "properties": {
          "domain": {
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "domain_age"
    },
    {
      "description": "Full domain/URL trust report: RDAP registration, registrar, status, nameservers, plus active TLS certificates and issuers from crt.sh, with risk flags.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "domain": {
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "domain_trust_report"
    },
    {
      "description": "PRO. Due date after N business days or N calendar days (rolled to next business day) — Net 30/60, ACH settlement, contract notice periods.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "business": {
            "type": "boolean"
          },
          "days": {
            "type": "number"
          },
          "from": {
            "type": "string"
          }
        },
        "required": [
          "days"
        ],
        "type": "object"
      },
      "name": "due_date"
    },
    {
      "description": "Email/domain deliverability check: MX records, SPF and DMARC policy for a domain or email address (DNS over HTTPS).",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "domain": {
            "description": "Domain or email address",
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "email_domain_check"
    },
    {
      "description": "FREE. Validate an IBAN offline: country, length and ISO 13616 mod-97 checksum, plus bank code and formatted IBAN. No outside source.",
      "inputSchema": {
        "properties": {
          "iban": {
            "type": "string"
          }
        },
        "required": [
          "iban"
        ],
        "type": "object"
      },
      "name": "iban_validate"
    },
    {
      "description": "PRO. Upcoming IRS filing and payment deadlines for the next N months (individual, payroll, corporate), adjusted for weekends/holidays; optional fiscal_year_end.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "fiscal_year_end": {
            "type": "string"
          },
          "months": {
            "type": "number"
          }
        },
        "type": "object"
      },
      "name": "irs_deadlines"
    },
    {
      "description": "FREE. Next 3 US federal holidays (with observed dates) and whether today is a business day.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "next_holidays"
    }
  ]
}

What the leaf hashes

{"body":"6d6f0d791883cb828f100822dab047ec17f9353f452cb26ec16378e5e5c479e6","id":1233649,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793347470268801,"prev":null,"subject":"a7a8bddd-4f4c-4bff-ad40-dff489141b2b","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x852275771b27b612cf4121a6d6e410d7268d5ac9fbe97f7f14aec14e2ef53671
2. 0xbf879ea67e47fe8a81b63f0a0532cd2b759c5b004bb6bfd8e4a2001068902cf7
3. 0x35abfc08c05ed50f4f9fef473edb8163410d49be04e09602a5971c346c35c123
4. 0x08ff4c423e59fec0c49fc588e29468fd14e7dc011cfe0421d4c58133f2291187
5. 0xd8d584c3363ff0a152f8dec24637983e06b751171722dcfac4133a67b2f0a22f
6. 0xeea1867e1c4acbcc9b369348cb26999b721bad74cd0fb1462fd8663e8b7f2cc3
7. 0xc05e4790c7a0f0dd6f61e047893c241350de60ac4f727ff505e7bcf141fea3ef
8. 0x15354ac3130446b6ba3014456fadaa89a99a8ad62a71c05dbae610230785fd0a
9. 0x6bf0cb79c72d36ef6a7ada483fde0e890103bb99145849fa446c93c19160b3a2
10. 0x49c317f08f7f1b5203658e7a172c020118d90ebad5ec1ac7a2d4d5da583cee72
11. 0x652079c69fb08a7492c852dea8db4c80d9fc00fa9f6e2277fd475b56407433ae
12. 0x3fda44266f33f938abb4c3f75f83f56dd1b0545d3789ad1e234bd9d234d925e0
13. 0x386dbe0266e62db019a818ac71a5b2e72b65071ce2bcd7f64efaa40322e5f002
14. 0x2cc23d59d659d5b819934005bab57d036b04ff4c8b701cb0e274c40aaddb2d51
15. 0x235114e50a987e65d728b9ef8b5978846cd7c01f22effc55dd604c388ce359ec
16. 0xdbaaffa44665d1fa60d33d2c4075bd87629b76d01a6ee63e621e78590303b56d
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861