Evidence row 306171

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Extract a clean Markdown version of a public URL or raw HTML (article extraction + HTML→Markdown). Great for feeding live web content to an LLM. Requires a SnapForge API key (no key? call snapforge_signup first).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "delay": {
            "description": "Extra wait in milliseconds before capture (0–10000)",
            "maximum": 10000,
            "minimum": 0,
            "type": "integer"
          },
          "html": {
            "description": "Raw HTML to render instead of a URL (max 2MB). Provide either url or html.",
            "type": "string"
          },
          "url": {
            "description": "Public http/https URL to render. Provide either url or html.",
            "format": "uri",
            "type": "string"
          },
          "waitUntil": {
            "description": "When to consider the page ready: \"load\" (default) or \"networkidle\"",
            "enum": [
              "load",
              "networkidle"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "snapforge_markdown"
    },
    {
      "description": "Render a public URL or raw HTML to a PDF (returned as an embedded resource). Requires a SnapForge API key (no key? call snapforge_signup first).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "delay": {
            "description": "Extra wait in milliseconds before capture (0–10000)",
            "maximum": 10000,
            "minimum": 0,
            "type": "integer"
          },
          "html": {
            "description": "Raw HTML to render instead of a URL (max 2MB). Provide either url or html.",
            "type": "string"
          },
          "landscape": {
            "description": "Landscape orientation (default false)",
            "type": "boolean"
          },
          "margin": {
            "description": "CSS size applied to all margins, e.g. \"1cm\"",
            "type": "string"
          },
          "pageFormat": {
            "description": "Paper size when paginating (default A4)",
            "enum": [
              "Letter",
              "Legal",
              "Tabloid",
              "A0",
              "A1",
              "A2",
              "A3",
              "A4",
              "A5",
              "A6"
            ],
            "type": "string"
          },
          "printBackground": {
            "description": "Include CSS background colors and images (default true)",
            "type": "boolean"
          },
          "singlePage": {
            "description": "Output one continuous page sized to the content height (no A4 pagination)",
            "type": "boolean"
          },
          "url": {
            "description": "Public http/https URL to render. Provide either url or html.",
            "format": "uri",
            "type": "string"
          },
          "waitUntil": {
            "description": "When to consider the page ready: \"load\" (default) or \"networkidle\"",
            "enum": [
              "load",
              "networkidle"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "snapforge_pdf"
    },
    {
      "description": "Capture a screenshot of a public URL or raw HTML as a PNG/JPEG image. Full-page by default. Requires a SnapForge API key (no key? call snapforge_signup first).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "delay": {
            "description": "Extra wait in milliseconds before capture (0–10000)",
            "maximum": 10000,
            "minimum": 0,
            "type": "integer"
          },
          "format": {
            "description": "Image format: \"png\" (default) or \"jpeg\"",
            "enum": [
              "png",
              "jpeg"
            ],
            "type": "string"
          },
          "fullPage": {
            "description": "Capture the full scrollable page (default true)",
            "type": "boolean"
          },
          "height": {
            "description": "Viewport height in pixels (100–2160)",
            "maximum": 2160,
            "minimum": 100,
            "type": "integer"
          },
          "html": {
            "description": "Raw HTML to render instead of a URL (max 2MB). Provide either url or html.",
            "type": "string"
          },
          "quality": {
            "description": "JPEG quality 1–100 (ignored for PNG)",
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "scale": {
            "description": "Device pixel ratio for high-DPI/retina output (1–3)",
            "maximum": 3,
            "minimum": 1,
            "type": "integer"
          },
          "url": {
            "description": "Public http/https URL to render. Provide either url or html.",
            "format": "uri",
            "type": "string"
          },
          "waitUntil": {
            "description": "When to consider the page ready: \"load\" (default) or \"networkidle\"",
            "enum": [
              "load",
              "networkidle"
            ],
            "type": "string"
          },
          "width": {
            "description": "Viewport width in pixels (100–3840)",
            "maximum": 3840,
            "minimum": 100,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "snapforge_screenshot"
    },
    {
      "description": "Create a free SnapForge account (100 renders, one-time free trial, not a monthly allowance) with just an email address and get the API key instantly. The key is bound to the current MCP session, so the screenshot/pdf/markdown tools work immediately after signup, no browser needed.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "email": {
            "description": "Email address to attach the API key to (the key is also emailed there)",
            "type": "string"
          }
        },
        "required": [
          "email"
        ],
        "type": "object"
      },
      "name": "snapforge_signup"
    }
  ]
}

What the leaf hashes

{"body":"633fe648f277f2780ab040605a93debb61438c9c0c87a6d408482cfd375bb1b3","id":306171,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793056840744639,"prev":null,"subject":"89d9298a-2f51-4b87-8183-d8f26498d9f0","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xb2a72f251d486311edb80321413f5824ec5f6d000edf4c1bbe6b12980b67b959
2. 0xca1a3a6445879dbfe08a84664f7bb9d4ea74769ca5a84bc074a6ea4fa36364b9
3. 0x1eb9fbe514774de5d04785d853e7fbd1b5b39b09e38c73b6d1e8716b8df78020
4. 0xf86135bf1fd9305ed9850b64611bd35850b91aeb3c7fd31bca0eb32356f524b8
5. 0x633a5d91907b045f516cc7487515b0b0a789ca4abb67184728a28d9cc3e38947
6. 0x1eccb572ad2e15c05f234aacab07e00aa569082e97bb0c87c8c7061bbc0f02bb
7. 0x3b611dceb9dcc67d1a1ef5955553360f0a5034a6eb03a7470cf0d55344bb3cc4
8. 0x99d6ed7769ea17e8d39ea83a0226000e56c668ff13f978de784140a99dfc11b6
9. 0x31c6d322cde40aeab9a7c25da38cff4b0664795f3355ccf4d25d3117f74a64a7
10. 0xc6dd71e7d85dea5e09f179642fe5f62de05a435eb806a0e7894d08bd1f37f002
11. 0x08b0ee375f7c28afd23e265e3e1bed91ba37304e42eafa665ef4a7f785b3e7bf
12. 0x3d6ec9d5ef8daa604601742088e213da0a439db6eff6ce50ec3ffb264a60ddd3
13. 0x3b1c0e225d1b1cb24cd5d5ea4af2de20ed68a1eaf8b61924ed1b81e4b9cf7e39
14. 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae