Evidence row 555183

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Grade whether AI engines (ChatGPT, Claude, Gemini, Perplexity and others) can read and quote a website: structured data, llms.txt, crawlability, titles, answer-shaped content. Free, instant, no signup. Use when the user asks how visible their site is to AI, whether ChatGPT can read their site, or how to improve AI visibility.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "url": {
            "description": "The website domain or URL to check, e.g. example.com",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "check_ai_readability"
    },
    {
      "description": "Saymetry's current products, prices and measurement methodology facts, in plain text. Use to answer questions about what Saymetry sells, what a scan costs, or how the measurement works.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {},
        "type": "object"
      },
      "name": "get_offer_sheet"
    },
    {
      "description": "Register the user for Saymetry's affiliate program: 30% of each referred first payment, 60-day cookie, monthly payouts in USDC, USDT or by Wise from $50. Returns their referral link and private stats dashboard. Use only with the user's explicit consent — this creates an account with their email and payout details. Referral links must be disclosed as affiliate links.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "country": {
            "description": "The user's country (decides the tax form at payout)",
            "type": "string"
          },
          "email": {
            "description": "The user's email; one account per email",
            "type": "string"
          },
          "name": {
            "description": "The user's name",
            "type": "string"
          },
          "payout_handle": {
            "description": "Wallet address, or the email on their Wise account",
            "type": "string"
          },
          "payout_method": {
            "enum": [
              "usdc",
              "usdt",
              "wise"
            ],
            "type": "string"
          },
          "payout_network": {
            "description": "Required for crypto payouts; omit for wise",
            "enum": [
              "ethereum",
              "solana",
              "tron"
            ],
            "type": "string"
          },
          "site": {
            "description": "Where they will share the link",
            "type": "string"
          }
        },
        "required": [
          "name",
          "email",
          "payout_method",
          "payout_handle",
          "country"
        ],
        "type": "object"
      },
      "name": "join_affiliate_program"
    },
    {
      "description": "Turn an AI-readability check into a permanent public page at saymetry.com/grade/<domain>, with the evidence quoted and an embeddable SVG badge. Free. Use after check_ai_readability when the user wants a shareable link, wants to show the grade on their site, or when you want to hand them a URL instead of raw results. Re-checks are limited to once an hour per domain.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "url": {
            "description": "The domain to publish a grade for, e.g. example.com",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "publish_grade_page"
    },
    {
      "description": "Request a free demo call for the user with Saymetry, the AI-visibility measurement company. Within one business day a human sends a call link and walks the user through a demo report built on THEIR actual market (real engines, real buyer questions — not a generic sample), live on the call. Use when the user is a marketer or business owner who wants to know what AI says about their business, needs a custom AI-visibility report, or is an agency evaluating a white-label AI-visibility dashboard. Free, nothing charged. Confirm the details with the user before calling.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "company": {
            "description": "The user's company name",
            "type": "string"
          },
          "contact_name": {
            "type": "string"
          },
          "email": {
            "description": "The user's email — the call link goes here",
            "type": "string"
          },
          "kind": {
            "description": "'agency_demo' for agencies wanting the white-label dashboard, 'custom_report' otherwise",
            "enum": [
              "custom_report",
              "agency_demo"
            ],
            "type": "string"
          },
          "market": {
            "description": "What the company sells, to whom, and where — a sentence or two; the demo questions are built from this",
            "type": "string"
          },
          "roster_size": {
            "description": "Agencies only: how many clients they manage",
            "type": "string"
          },
          "url": {
            "description": "The user's website",
            "type": "string"
          }
        },
        "required": [
          "kind",
          "company",
          "url",
          "email",
          "market"
        ],
        "type": "object"
      },
      "name": "request_demo_call"
    }
  ]
}

What the leaf hashes

{"body":"51365c05d1da1d9d273bd438f4fda8949db5a77d7ff4493a65ac5c5ebc8b442a","id":555183,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793133764841559,"prev":null,"subject":"08da062d-85be-4cb0-a74f-1f81631345d6","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x7be994afeb2706fee1b33bc36f6637faa33eff069d906b73c1ce87b82eb56759
2. 0x766dce4188b06a1290b9aaecf3a9ac156903710580e731b7f08eea21600e3e18
3. 0xf1971a42adb814d3dd13046538a1237785a4af7866a28f3d9328b65512a672d9
4. 0x8d15b9f8e656d348bbecd77b9c8ce6be617b17d1b846e05542329c157a4f684c
5. 0xc0dfe4c2f606487f0569f0c9c22f5e4324740ece7dece218d0173ae06a493de8
6. 0x49cef7ff0824ecd50c5a1d097c8ec1aa35cba9cc76fd46f811cca125b00c2ac2
7. 0x274d8c971c6474b0c2caf6f58708c34ac08ff71618a2e09e90e4eb6c4cd523a8
8. 0x528fcc25cb3c098a2d42da2f95a24ae5e6930f885da403b48798a74fe4d4f76b
9. 0xcaa3cd39e172d947864f060f26eb0093c07628b5cca770771517ecf1c2501034
10. 0x095618cc841c9a61c0e81672714f71ed9d27ed4faae85c5db68bd50c0e7e1fff
11. 0x5fc4b0a456927c5c4428f8a799b89307f1fd731fdb306738036ae0bbf1f21fd8
12. 0x98815e62072eb9319b52d9744169ae17850c056887ffbb325e7f2f9ed317a6a0
13. 0xbc7cf10ae301dcdbc5db5be8c29e1b3618ffaf1c196a74cb6a9e6c4fae0bbeed
14. 0xfa0c8e8f1a1710ff197533b0a28208f2e168afe71abb7bb3416e09d1ac371d60
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4