Evidence row 1286850

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Free keyless DNS/RDAP enrichment preview for a company domain: email provider (from MX), SaaS detected from DNS TXT, domain age + registrar (RDAP). A real taste of the paid /company/enrich, which adds a bounded site crawl (firmographics, contacts, social), tech-stack fingerprint, office address, legal registration (VAT / company number) and the live multi-ATS hiring block — call get_premium_access for the full record.",
      "inputSchema": {
        "properties": {
          "domain": {
            "description": "Company domain (\"stripe.com\") or apex.",
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "enrich_preview"
    },
    {
      "description": "Return the paid x402 rail: the metered depth layers (hosted 10-ATS search, normalized compensation, per-company hiring-intent signal, company enrichment, email deliverability) with exact prices (USDC on Base), the pay-to address, and how the 402 flow works. No account; an x402-aware client pays inline from the agent's wallet.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_premium_access"
    },
    {
      "description": "List the supported ATS platforms this feed auto-detects and normalizes. Free.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_platforms"
    },
    {
      "description": "Resolve which applicant-tracking system a company uses and its board token, from a bare slug or domain. Returns {platform, token, via}. Free.",
      "inputSchema": {
        "properties": {
          "company": {
            "description": "Company slug (\"bunq\") or domain (\"bunq.com\").",
            "type": "string"
          }
        },
        "required": [
          "company"
        ],
        "type": "object"
      },
      "name": "resolve_company"
    },
    {
      "description": "Fetch live, normalized open job postings for one or more companies across 7 keyless ATS platforms (Greenhouse, Lever, Ashby, SmartRecruiters, Workday, Recruitee, Workable). Platform and board token are auto-detected from a bare slug or domain. Returns a unified schema: title, company, location, remote, url, source_platform, posted_at. Free. Derived layers (normalized comp, hiring-intent) and a hosted 10-ATS feed are metered — call get_premium_access.",
      "inputSchema": {
        "properties": {
          "companies": {
            "description": "Company slugs (\"stripe\"), domains (\"stripe.com\"), or explicit \"platform:token\" (e.g. \"ashby:openai\"). 1-25 entries.",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "includeDescription": {
            "description": "Include full job description text when true (default false).",
            "type": "boolean"
          },
          "maxPerCompany": {
            "description": "Cap postings returned per company (default 25, max 200).",
            "type": "integer"
          }
        },
        "required": [
          "companies"
        ],
        "type": "object"
      },
      "name": "search_jobs"
    },
    {
      "description": "Free keyless email-deliverability preview. Grades ONE address in full (real output): syntax, MX / implicit-MX routing, email provider, SPF/DMARC posture, disposable / role / free-provider flags, a derived edit-distance typo did-you-mean, and an A-F deliverability grade — no SMTP ping, no account. Any additional addresses return only {deliverable, grade}. A real taste of the paid /email/verify, which returns the full per-email record for up to 100 addresses in one x402 call — call get_premium_access for the metered endpoint.",
      "inputSchema": {
        "properties": {
          "email": {
            "description": "A single email address to grade in full (\"jane@stripe.com\").",
            "type": "string"
          },
          "emails": {
            "description": "Optional list: the first is graded in full, the next few return only {deliverable, grade}. Use `email` for a single address.",
            "items": {
              "type": "string"
            },
            "type": "array"
          }
        },
        "type": "object"
      },
      "name": "verify_email_preview"
    }
  ]
}

What the leaf hashes

{"body":"dfce19f28e5457831f7761d485422e5e31a5a012cc85f9fcb20a7053b2539b13","id":1286850,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793388652581934,"prev":null,"subject":"3e2a276c-90a7-4fe0-b99c-abab02dab5a7","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. 0x811be6df656c6cf52d7a43255b9ce1da31008eabab51859cb5e2b5e8daf3978e
2. 0x6abc1caa86e15b129344fe3c400b3576ad0f7add737236d0e915542c93cbec07
3. 0xc7b8777e5ed015a7445925fefca0035727199939d5a518c197ecb2e6bc9ccacf
4. 0xb2c6b1e68f2a2bf0223d90a69409dfbb3d6ed80d9a9037625f1e35e39d76e3ef
5. 0xfab465686436dfd639eadb947498a8c8e038fb63af70ffa63db748979c92d0da
6. 0x7e2b31b896ad796006e9b2e31a9e09a20e7014d3abb580695f52fee364cb2507
7. 0xa1e8a591e762ff47f67ba59231263a036ee362a4a0bd6c00cde5e556047f8483
8. 0x90866dcde95fc4dc0076e0c72f14760ba374a2179c1ad822701e7cc8d34f21d6
9. 0x438ba0b868e479e8fdbef743697401e565e8c3d9b737d11c38afe1bd59a1b371
10. 0xfbbf53e4c1a429496869d5bf559f6d7ab7114c2ec3b675c3819d9338c8ca8607
11. 0x5e056533ca2e064884f412483b3dda332cedb430996ef093d3ecf1eb9e8ab40c
12. 0x6b8cfabb21174b809f902161d13bf663d4c6738870d704105b972ec978b90ced
13. 0xa7d56640df9ea5dff8b1806e8b12302229aca5a856e7e8485fd58e4585190f8d
14. 0x98147b4434f11be9b2162fe0bf2cff64bd30ca1bfe5cd0edf25228078b678708
15. 0x235114e50a987e65d728b9ef8b5978846cd7c01f22effc55dd604c388ce359ec
16. 0xdbaaffa44665d1fa60d33d2c4075bd87629b76d01a6ee63e621e78590303b56d
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861