Evidence row 222715

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Use structured client/version, phase, status or exception observations to identify possible causes and the next check. Returns uncertainty and retry boundaries. Do not send raw logs, URLs or credentials.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "client": {
            "enum": [
              "curl",
              "requests",
              "httpx",
              "playwright"
            ],
            "type": "string"
          },
          "exception": {
            "description": "Normalized category, not raw exception text. HTTPX ConnectError alone does not establish a TLS error.",
            "enum": [
              "proxy_error",
              "tls_error",
              "connect_timeout",
              "read_timeout",
              "write_timeout",
              "pool_timeout",
              "connection_refused",
              "dns_error",
              "connection_reset",
              "protocol_error",
              "timeout",
              "invalid_configuration",
              "unknown"
            ],
            "type": "string"
          },
          "method": {
            "default": "unknown",
            "enum": [
              "GET",
              "HEAD",
              "OPTIONS",
              "PUT",
              "DELETE",
              "POST",
              "PATCH",
              "unknown"
            ],
            "type": "string"
          },
          "phase": {
            "enum": [
              "configuration",
              "pool",
              "proxy_connect",
              "connect_tunnel",
              "target_tls",
              "request_send",
              "response_headers",
              "response_body",
              "unknown"
            ],
            "type": "string"
          },
          "requestMayHaveBeenSent": {
            "description": "Whether this target request may already have reached the application. Omit when unknown.",
            "type": "boolean"
          },
          "responseSource": {
            "default": "unknown",
            "description": "Use target/proxy only when established by response provenance, not merely the status code.",
            "enum": [
              "proxy",
              "target",
              "unknown"
            ],
            "type": "string"
          },
          "retryAfterSeconds": {
            "description": "Parsed bounded Retry-After delay, if actually observed. Never submit the raw header.",
            "maximum": 86400,
            "minimum": 0,
            "type": "integer"
          },
          "status": {
            "description": "Observed HTTP status; identify its responding layer separately.",
            "maximum": 599,
            "minimum": 100,
            "type": "integer"
          },
          "version": {
            "enum": [
              "8.22.0",
              "2.34.2",
              "0.28.1",
              "1.63.0"
            ],
            "type": "string"
          }
        },
        "required": [
          "client",
          "version",
          "phase"
        ],
        "type": "object"
      },
      "name": "diagnose_proxy_error"
    },
    {
      "description": "Generate an HTTPS GET example for an exact tested curl, Requests, HTTPX or Playwright APIRequestContext version. Credentials and target are local environment placeholders. It does not execute the example or configure other agent tools.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "client": {
            "description": "Client whose exact tested configuration to generate.",
            "enum": [
              "curl",
              "requests",
              "httpx",
              "playwright"
            ],
            "type": "string"
          },
          "protocol": {
            "const": "http",
            "default": "http",
            "description": "HTTP proxy with HTTPS CONNECT. Other proxy protocols are not tested.",
            "type": "string"
          },
          "timeoutSeconds": {
            "default": 15,
            "maximum": 60,
            "minimum": 1,
            "type": "integer"
          },
          "version": {
            "description": "Exact tested version matching the client. Other versions are unsupported.",
            "enum": [
              "8.22.0",
              "2.34.2",
              "0.28.1",
              "1.63.0"
            ],
            "type": "string"
          }
        },
        "required": [
          "client",
          "version"
        ],
        "type": "object"
      },
      "name": "generate_proxy_config"
    },
    {
      "description": "Read a bounded chunk or named section using a document ID returned by search_proxy_docs. Follow nextCursor to continue; cursors are bound to the content revision.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "cursor": {
            "pattern": "^[a-f0-9]{16}:\\d{1,5}$",
            "type": "string"
          },
          "documentId": {
            "maxLength": 160,
            "pattern": "^\\/(guides|blog)\\/[a-z0-9]+(?:-[a-z0-9]+)*$",
            "type": "string"
          },
          "section": {
            "maxLength": 160,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "documentId"
        ],
        "type": "object"
      },
      "name": "get_proxy_doc"
    },
    {
      "description": "Find reviewed ipvolt public guides and articles. Returns canonical document IDs, excerpts and content revision. Submit a short topic query, never credentials or logs.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 5,
            "maximum": 5,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "maxLength": 200,
            "minLength": 2,
            "type": "string"
          },
          "topic": {
            "enum": [
              "setup",
              "troubleshooting",
              "concepts",
              "countries",
              "analysis"
            ],
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_proxy_docs"
    }
  ]
}

What the leaf hashes

{"body":"c790685761adf51bc85930f7396f0200893ea4cf721dbdc509e2afd62a020d97","id":222715,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793028221603169,"prev":null,"subject":"9de7a640-fcfc-4b72-92d3-84617bd5f3d6","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. 0x3c33f225b66c60305f7fdb4c9873eb19632e3b52ebcba73484d529bd29287a7a
2. 0xbd7a60e8bc51c2811b43d13daad7a0c505ec4d9b750eb5d4d75204f880ad264d
3. 0x2bd8e7608dfbb555b4cc00ace424c7450d65616c45978a7f3dd0769ce9d38ab6
4. 0x8a9cc8e90f25e7391e8fe5266590e7c3b94b233e3f36829ccb0f569425052dbf
5. 0x98d991efa304f02f5c3e0ce9dfd3d1766378a02773788178264f3768ad7f79a1
6. 0x2145b163e0ad996f722d6d532cbfb7025afb6c7da01779a22751cf3b175e83fb
7. 0x50907652133cf14361c5ec9a55f6a4d24fb360082d9c882f2df939756a50a6d1
8. 0xb22a96fc0a76affd61289535c76aeeeb02dd3cccd0c1f32f9aeabb64a5e3d0d5
9. 0x2926c7c966c85d099a16500d2f60c987788ceda9f60a3ef3a82b5168b1aaf40f
10. 0x0c503c4524f0ed9ea5e3dd08b1e8fbfcbbce2a308fb2360a27a4ed64ec891f2c
11. 0x876d91ae08f3c341c1d9ba4ed92a9c937c054b5c7d6cd935bb21dda6fb029cac
12. 0xdb4b9388e3fe1df4b04e149e559f925fb354066ae1d2537fd6f918162716fadf
13. 0xe2214b3d6a48396930d1739b02ea366de2aac5337c9b9ff2aff28cecf6518139
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae