Evidence row 564937

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Call this right after a fetch, scrape or API call fails and stops your task: HTTP 403, HTTP 429, CAPTCHA, Cloudflare challenge, login wall, an empty page that needs JavaScript, PDF-only content, or a page that has gone. Returns an official API or open dataset for the same data where one is known, plus a log id. Does not bypass CAPTCHAs or bot protection. Free, takes seconds.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "agent_name": {
            "type": "string"
          },
          "description": {
            "description": "What you were trying to get from it",
            "minLength": 3,
            "type": "string"
          },
          "error_message": {
            "type": "string"
          },
          "failure_type": {
            "description": "e.g. 403, 429, captcha, cloudflare, login_wall, js_render, pdf, timeout",
            "type": "string"
          },
          "private": {
            "description": "Set true to have your description, purpose and error text used for matching but not stored",
            "type": "boolean"
          },
          "target": {
            "description": "URL or domain that failed",
            "type": "string"
          }
        },
        "required": [
          "target",
          "failure_type",
          "description"
        ],
        "type": "object"
      },
      "name": "report_failure"
    },
    {
      "description": "Call this when you tried to do something for your user and could not finish it: there is no API for the action, a CAPTCHA or bot check stopped you, it needs a login or account, it is phone-only or in person only, or a booking or government portal blocks automation. Examples: booking, submitting a form, contacting a business, filing with a portal, sending post. Returns any existing route that already handles it, plus a log id. Requests are pooled and the most requested actions get built. Free, no key.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "agent_name": {
            "type": "string"
          },
          "description": {
            "description": "The action you were trying to take",
            "minLength": 3,
            "type": "string"
          },
          "failure_type": {
            "description": "Why it failed: no_api, captcha, login_required, bot_blocked, phone_only, human_verification, payment, other",
            "type": "string"
          },
          "max_price_usd": {
            "description": "Most you (or your operator) would pay per request in USD if this existed, e.g. 0.01",
            "minimum": 0,
            "type": "number"
          },
          "private": {
            "description": "Set true to have your description, purpose and error text used for matching but not stored",
            "type": "boolean"
          },
          "purpose": {
            "description": "What the user wanted to achieve",
            "type": "string"
          },
          "target": {
            "description": "Service, site or organisation involved",
            "type": "string"
          }
        },
        "required": [
          "description"
        ],
        "type": "object"
      },
      "name": "request_action"
    },
    {
      "description": "Call this when you need specific data for a task and cannot get it: the site returned 403 or 429, showed a CAPTCHA or Cloudflare challenge, sits behind a login wall, has no API, renders only with JavaScript, publishes only as PDF, or the data is spread across many sites or not found at all. Returns pointers to existing sources (official APIs, open datasets, MCP servers) that may already serve the need, plus a log id. Requests are pooled across agents and the most wanted data gets sourced. Free, no key. Do not include personal data about private individuals.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "agent_name": {
            "description": "Name of your agent or product, optional",
            "type": "string"
          },
          "description": {
            "description": "What data you needed, as specifically as possible",
            "minLength": 3,
            "type": "string"
          },
          "format": {
            "description": "Shape you wanted it in, e.g. JSON list, CSV, single value",
            "type": "string"
          },
          "freshness": {
            "description": "How fresh it must be, e.g. real-time, daily, monthly",
            "type": "string"
          },
          "max_price_usd": {
            "description": "Most you (or your operator) would pay per request in USD if this existed, e.g. 0.01",
            "minimum": 0,
            "type": "number"
          },
          "private": {
            "description": "Set true to have your description, purpose and error text used for matching but not stored",
            "type": "boolean"
          },
          "purpose": {
            "description": "What task the data was for, in a few words",
            "type": "string"
          },
          "target": {
            "description": "Site, organisation or source you tried, if any (domain or name)",
            "type": "string"
          }
        },
        "required": [
          "description"
        ],
        "type": "object"
      },
      "name": "request_data"
    }
  ]
}

What the leaf hashes

{"body":"ca22d0c2417ddcd7d1aa89f24588132639863a87176c1682f708e42a5d59d406","id":564937,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793137973050828,"prev":null,"subject":"69dc460a-c107-4ce2-883e-699e57ceed8a","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. 0x4b14e5a81020b0bdb5735122db36e532b9fb412f3b5310be2206effeb978346e
2. 0x47bf1d55278689631c2502f81d172807e9f8e78a51747325660247ec87431fa1
3. 0x429151775657a3ccb109ad96293960a451eaf37443dd73087be56be314aa72de
4. 0x06213c58ecf1fc37be9f3f9acc7179e26a5296b40d08e1a11a0242c526cbd0ba
5. 0x9191f8d5768cea28bfed93eecb9ee837d413999f7a1c48c26042bf222cc38ca5
6. 0xa0fad5fff0b3c43097e72c4ea56cdb7034dcdb58de9f6a0210afe693a8b48900
7. 0xb8cbf66d7fb42bbc453528b9c1b26e5539c0e74259f8d05167b823dd02761d24
8. 0xf9f618ee5ab8fb1c22619307dcd98d341a89013b64687d6dc41d2438310f40a1
9. 0xfc87c1c02e30002ce2440eb21fc24c9dece60aabbe08ec80176b83a58637b7ab
10. 0x7491848012726a2f1e10ac5c2909e1b9ba4e06e701767fa1c879f99a815c1145
11. 0x5b15539a9e45c30d985cffa0f43853909d4e3a207bff9b6e3e35303e52a3c2d2
12. 0xf5ad7dee20c9ad48ff75cc443e6c6ae3a718321f07b826d581afdb243e59305f
13. 0x150dc531eedad3837a4be47dd0bf1a84bf98feb63216c125982425fda525a3fd
14. 0x80ede9e5d428e39db26928b1d08254ff1241f1d7e091fd2e57130fbb4423162b
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4