Evidence row 726990

What was observed

{
  "count": 8,
  "tools": [
    {
      "description": "Free advisor that maps B2B leads, hiring signals, buying intent, tech stack, Google Ads and due diligence goals to a tool, price, free-call balance and ready-to-run request preview. For unclear tool choice or cost; get_company_profile provides a full brief for a known domain. Includes four n8n recipes; never executes requests.",
      "inputSchema": {
        "additionalProperties": false,
        "anyOf": [
          {
            "required": [
              "agent_goal"
            ]
          },
          {
            "required": [
              "query"
            ]
          }
        ],
        "properties": {
          "agent_goal": {
            "description": "Describe the research goal so the advisor can recommend a tool and estimate its list price.",
            "maxLength": 500,
            "minLength": 1,
            "type": "string"
          },
          "budget_usd": {
            "description": "Optional USD budget used for recommendations only; this does not authorize spending or payment.",
            "minimum": 0,
            "type": "number"
          },
          "domain_count": {
            "description": "Number of companies you plan to research, used for batch sizing and cost estimates.",
            "maximum": 1000000,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Alias for agent_goal; provide one goal field, or identical values when both are present.",
            "maxLength": 500,
            "minLength": 1,
            "type": "string"
          },
          "sample_domain": {
            "description": "Optional bare public company domain for a concrete request example and existing cached hints; no new lookup is run.",
            "maxLength": 253,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "ask_hirepulse_advisor"
    },
    {
      "description": "One-time pass: 25 successful calls shared across supported single-domain tools, valid 30 days and independent of IP. Excludes private lookup, quote redemption and paid email inboxes. Send one active Base wallet or work email (no email sent). Use X-Trial-Token or MCP metadata hirepulse/trial_token.",
      "inputSchema": {
        "additionalProperties": false,
        "oneOf": [
          {
            "not": {
              "required": [
                "email"
              ]
            },
            "required": [
              "wallet"
            ]
          },
          {
            "not": {
              "required": [
                "wallet"
              ]
            },
            "required": [
              "email"
            ]
          }
        ],
        "properties": {
          "email": {
            "description": "A work email address; free mailbox providers are not accepted.",
            "maxLength": 254,
            "type": "string"
          },
          "wallet": {
            "description": "A Base address with at least one transaction or $0.10 USDC.",
            "pattern": "^0x[0-9a-fA-F]{40}$",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "claim_free_trial"
    },
    {
      "description": "Website tech stack for a company domain: ad pixels (Meta, Google Ads, LinkedIn, TikTok), analytics, tag managers, CMS, e-commerce, hosting and payments, plus email provider, SPF and DMARC from DNS. $0.005 per result after 5 free calls a day; blocked or empty sites are free. Use for technology-only research; use get_company_profile when hiring, ads and contacts are also needed.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "context": {
            "description": "Optional. A few words on why you are calling this tool. Recorded without your identity to improve the tools; leave out personal data.",
            "type": "string"
          },
          "domain": {
            "description": "Public domain without a URL scheme, path or port.",
            "examples": [
              "notion.so"
            ],
            "maxLength": 253,
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "detect_website_tech_stack"
    },
    {
      "description": "Published contacts for a company domain from its home, about, contact, team and careers pages: deduplicated emails and LinkedIn, X and GitHub links, plus MX, SPF and DMARC checks (not mailbox verification). $0.01; nothing found is free.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "context": {
            "description": "Optional. A few words on why you are calling this tool. Recorded without your identity to improve the tools; leave out personal data.",
            "type": "string"
          },
          "domain": {
            "description": "Bare public company domain whose published contact pages and DNS records should be inspected.",
            "maxLength": 253,
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "extract_company_contacts"
    },
    {
      "description": "Hiring-based intent score (0-100), status, open roles, postings from the last 30 days, functions and technologies from a public job board. A heuristic, not confirmed purchase intent. $0.01; no board/jobs is free. For company prioritization; get_company_open_jobs gives listings, get_company_profile combines signals.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "context": {
            "description": "Optional. A few words on why you are calling this tool. Recorded without your identity to improve the tools; leave out personal data.",
            "type": "string"
          },
          "domain": {
            "description": "Public company domain without a URL scheme, path or port.",
            "examples": [
              "ramp.com"
            ],
            "maxLength": 253,
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "get_company_hiring_intent"
    },
    {
      "description": "Live jobs from public Greenhouse, Lever, Ashby, Workable, Recruitee or SmartRecruiters boards: titles, departments, locations, remote flag and published salary. Up to 300 jobs; known_job_ids gives new/closed jobs. $0.01; no board/jobs is free. Role listings; get_company_hiring_intent gives a score, get_company_profile combines signals.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "context": {
            "description": "Optional. A few words on why you are calling this tool. Recorded without your identity to improve the tools; leave out personal data.",
            "type": "string"
          },
          "diff_only": {
            "default": false,
            "description": "Return only jobs that are not in known_job_ids. Needs known_job_ids.",
            "type": "boolean"
          },
          "domain": {
            "description": "Public domain without a URL scheme, path or port.",
            "examples": [
              "notion.so"
            ],
            "maxLength": 253,
            "type": "string"
          },
          "known_job_ids": {
            "description": "Job IDs you already have from an earlier call. The answer then lists new and closed job IDs.",
            "items": {
              "maxLength": 128,
              "minLength": 1,
              "type": "string"
            },
            "maxItems": 5000,
            "type": "array"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "get_company_open_jobs"
    },
    {
      "description": "Company profile: tech stack, hiring intent, Google Ads, published contacts (emails, social links, MX) and breakout_summary growth estimates. $0.03 only when at least 2 of 4 sections have data; one of 5 free daily calls. Growth estimates are not forecasts. Single-signal tools narrow research; batch_lookup covers domains; company_footprint_check gives operating evidence.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "context": {
            "description": "Optional. A few words on why you are calling this tool. Recorded without your identity to improve the tools; leave out personal data.",
            "type": "string"
          },
          "domain": {
            "description": "Public company domain without a URL scheme, path or port.",
            "examples": [
              "ramp.com"
            ],
            "maxLength": 253,
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "get_company_profile"
    },
    {
      "description": "Public Google Ads Transparency Center evidence: advertiser status, estimated ad count and up to 40 ads with format, dates and links. Optional region filter. $0.01; no ads is free. For competitor advertising research; no private account access. get_company_profile combines ads with other company signals.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "context": {
            "description": "Optional. A few words on why you are calling this tool. Recorded without your identity to improve the tools; leave out personal data.",
            "type": "string"
          },
          "domain": {
            "description": "Advertiser domain without a URL scheme, path or port.",
            "examples": [
              "monday.com"
            ],
            "maxLength": 253,
            "type": "string"
          },
          "region": {
            "description": "Optional country filter. Leave out for all regions.",
            "enum": [
              "US",
              "GB",
              "CA",
              "AU",
              "DE",
              "FR",
              "ES",
              "IT",
              "NL",
              "IL",
              "IN",
              "BR",
              "MX",
              "JP",
              "SG",
              "AE"
            ],
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "get_google_ads_by_domain"
    }
  ]
}

What the leaf hashes

{"body":"257fa6bc9b84e2a57c54d99e3195b63e4c0c027fa95ee2c04ccab354ea42b48f","id":726990,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793151534012213,"prev":null,"subject":"6d8b8550-c1c8-4b71-8057-95b3d50ee210","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xd7b238fa82316f53c1b2ac4e442bee2bd5250a834039d06b836f296c8aa3501c
2. 0xad265f2e7fc6b697bc2e1b8137e17a637147d4c84b4690d38364b2f5a3a3276e
3. 0xbed7e76862d67d681daa3009b710250f452d7d06d2e49916e96123f4efb7426f
4. 0x1aab3b13ac37f6b31211c2228219e0fab60f1643829079707a6a375652f788de
5. 0x04771e5fd80b2e65c86a8cf15020edfa282a64aebfbc4969ab0e72dd286160d0
6. 0x0f7ff0a5170ba6e452f25e1844f5ab23ff6b5777c6392b645d8921c7e17adec7
7. 0xecb398c2549fc03369481ad3986ff916d7c2b4f72a748bb89fb9848c3c8bbe41
8. 0xa76be4dd379d872bcf572d5ce0651bc4b9177517077cdd020d9fc3460fa993ac
9. 0x212116ddb5d6968a7411282712ad0d4e1086c9d4895a9a3a3157fd1c88dfffd1
10. 0xbc950cdaf1ff5b89bb13d3727e30bd9dfe75ad986099256d5f222ee8aeebf832
11. 0x902424ae88ef8e095e423ed445103e5a15f76116005bd6790222a56f2321d12e
12. 0xed9d37e957bb716a0d33a583ec62f34e409c2e192849ba62bdf9d0a1bc739dd1
13. 0x0ec75adbdda764cd96393994f2e5fc25831c6c05bfcdf872e01ed5389eb9261b
14. 0xf6b8c3d6b5a76cd63c41fa19fc59bcc627a6c650fd84130c55cbc9251f9ffdd9
15. 0x6d86d2282dd724b1b80d031e4e3cf9ed095b746e38c9e58d933efb597daff87f
16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae