Evidence row 1286843

What was observed

{
  "count": 4,
  "tools": [
    {
      "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"
    }
  ]
}

What the leaf hashes

{"body":"c4023824d40dbca74fce98d09752b21ec09e52e8b92f7dd2cab3e18e62f953cf","id":1286843,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793388651886847,"prev":null,"subject":"f475c0eb-aad5-42b9-a1e4-fec458206b21","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. 0xb21509ac522174527fe62b56b3ebe6924694ec06eab1b36101fbbcf0976dded4
2. 0xf52df1eca4403d6f1073916e2246f2bf86d871b85f3a33dfced5e10490df871d
3. 0x0a29b92aebb4c25e3b04a21b320f8e8b13956cca1a2bc7fb045c12eea92cf75e
4. 0x605fcbaf804e10876c9128abb63df1de094621f1a7e0eb1d617c7233f87cd97e
5. 0x76ba71f1b08ac836c44c1f672130a188b4320e21ec972b4fbe0ebe73bc62a1db
6. 0x4300bf47cf27811f4f31f0e3c4e4fda57d5acd3da797c013ae7ad5b3d3777b82
7. 0xc566ba59e4d460d589ed6a2476128126a9f898a7304f2a5d97776f1a9b57ccfc
8. 0xa63ef5cdd8b32b99eb3e7ff0d129035785012e0d31de824bc03621f795907451
9. 0x487f699dab667ffc05d3c8922c8bcdd73b6b9175c5c2dca57153e43b47a23ea0
10. 0xd3be005ce2a5a51fb04e64f787d4351941f269bfa6f0950d6ad0f738cc1ac67f
11. 0x8d6a53db2692d6121ad4e77a4589a4370d18d45ca5eaed8b890f3973d1096f97
12. 0x7f6238372befa4ac7fc9670d71ad8b303cd8241e1a520ad04cf9afba84923d67
13. 0x6d3f5dcc69c62fa01ce1c449d5b1e64f9183cf6457008284fb115d3a05c4b11f
14. 0x4943cf5368ac3124a50a8845e933556cda4f3f7ee527441ef6351afbceee79d8
15. 0xa0b1f6bc1eecfaf70581673c1a7f638b96d1769a5c578c460337f7db0dbe963e
16. 0x0c59b8770d2782eb535aefbb9b2f6810bab4757f51b37e00f5147713a1de9481
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861