Evidence row 264743

What was observed

{
  "count": 14,
  "tools": [
    {
      "description": "Check supplied text for configured content flags and reading-level estimates. This heuristic check is not legal compliance certification. Requires a Word Orb key and applicable plan entitlement; counts toward account quotas.",
      "inputSchema": {
        "properties": {
          "input": {
            "description": "Text to check",
            "type": "string"
          },
          "policy": {
            "description": "Optional: {brand_voice: {tone, banned_words}, max_grade_level}",
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      },
      "name": "check_compliance"
    },
    {
      "description": "Request a definition adapted to the specified age group. May use stored data or AI generation; review the result. Requires a Word Orb key and applicable plan entitlement; counts toward account quotas. Use lookup_words to avoid generated fallback.",
      "inputSchema": {
        "properties": {
          "age_group": {
            "default": "adult",
            "description": "Target age group",
            "enum": [
              "child",
              "teen",
              "adult",
              "elder"
            ],
            "type": "string"
          },
          "term": {
            "description": "Term to define",
            "type": "string"
          }
        },
        "required": [
          "term"
        ],
        "type": "object"
      },
      "name": "define_term"
    },
    {
      "description": "Retrieve existing links between an English headword and lessons or themes. Graph coverage varies; an empty result is valid. Requires a Word Orb key; counts toward account quota.",
      "inputSchema": {
        "properties": {
          "word": {
            "description": "Word to trace through the graph",
            "type": "string"
          }
        },
        "required": [
          "word"
        ],
        "type": "object"
      },
      "name": "explore_graph"
    },
    {
      "description": "Process supplied text for the selected task. May call AI and return generated content; review the result. Requires a Word Orb key and applicable plan entitlement; counts toward account quotas. Use lookup_words for stored lexical records only.",
      "inputSchema": {
        "properties": {
          "input": {
            "type": "string"
          },
          "task": {
            "enum": [
              "write",
              "summarize",
              "compliance_check",
              "retrieve",
              "negotiate",
              "translate",
              "define"
            ],
            "type": "string"
          }
        },
        "required": [
          "task",
          "input"
        ],
        "type": "object"
      },
      "name": "generate_text"
    },
    {
      "description": "Retrieve an available structured lesson for a day, track and age group. Content availability varies. Requires a Word Orb key; counts toward account quota.",
      "inputSchema": {
        "properties": {
          "age": {
            "enum": [
              "kids",
              "adult",
              "elder"
            ],
            "type": "string"
          },
          "day": {
            "maximum": 365,
            "minimum": 1,
            "type": "integer"
          },
          "track": {
            "enum": [
              "learn",
              "grow",
              "teach",
              "trivia"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_lesson"
    },
    {
      "description": "Retrieve available quiz questions for a lesson day and track. Content availability varies. Requires a Word Orb key; counts toward account quota.",
      "inputSchema": {
        "properties": {
          "day": {
            "type": "integer"
          },
          "track": {
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_quiz"
    },
    {
      "description": "Retrieve available related-word data for an English headword. Relationships and graph coverage vary; an empty result is valid. Requires a Word Orb key; counts toward account quota.",
      "inputSchema": {
        "properties": {
          "word": {
            "description": "English word to find relations for",
            "type": "string"
          }
        },
        "required": [
          "word"
        ],
        "type": "object"
      },
      "name": "get_related_words"
    },
    {
      "description": "Retrieve available image metadata for an English headword. Images and variants are not available for every word. Requires a Word Orb key; counts toward account quota.",
      "inputSchema": {
        "properties": {
          "word": {
            "description": "Word to get images for",
            "type": "string"
          }
        },
        "required": [
          "word"
        ],
        "type": "object"
      },
      "name": "get_word_image"
    },
    {
      "description": "Look up one English headword. May generate and cache a missing record using AI. Definitions and optional IPA, etymology and translations are AI-assisted and may be incomplete or incorrect. Use lookup_words when you require stored records only. Requires a Word Orb key; counts toward account quota.",
      "inputSchema": {
        "properties": {
          "word": {
            "description": "English word",
            "type": "string"
          }
        },
        "required": [
          "word"
        ],
        "type": "object"
      },
      "name": "lookup_word"
    },
    {
      "description": "Retrieve stored AI-assisted English lexical records for a vocabulary list without generating missing words. Free: 1–10 headwords per request and 10 requests/minute; paid: 1–50 headwords. Returns found records, explicit misses and lookup failures. Optional fields and translations vary; review the content. Requires a Word Orb key in the Authorization header; one request counts toward account quota. Evaluate and compare plans at https://wordorb.ai/playground?ref=mcp_batch#evaluate.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "words": {
            "description": "Single English headwords, with internal hyphens or apostrophes allowed. Spaces and phrases are rejected. Maximum 10 for Free; 50 for paid plans.",
            "items": {
              "maxLength": 128,
              "minLength": 1,
              "pattern": "^[A-Za-z]+(?:[-'][A-Za-z]+)*$",
              "type": "string"
            },
            "maxItems": 50,
            "minItems": 1,
            "type": "array"
          }
        },
        "required": [
          "words"
        ],
        "type": "object"
      },
      "name": "lookup_words"
    },
    {
      "description": "Search available English word embeddings using a description of a concept. Returns similarity-ranked candidates, not verified answers; embeddings require AI processing. Requires a Word Orb key; counts toward account quota.",
      "inputSchema": {
        "properties": {
          "limit": {
            "default": 10,
            "description": "Max results (1-25)",
            "type": "integer"
          },
          "query": {
            "description": "Natural-language description of the concept (min 2 chars)",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_by_meaning"
    },
    {
      "description": "Search stored English headwords or definition text by prefix or fuzzy matching. Returns matching entries, which may be empty. Requires a Word Orb key; counts toward account quota.",
      "inputSchema": {
        "properties": {
          "field": {
            "default": "word",
            "description": "Search field",
            "enum": [
              "word",
              "definition"
            ],
            "type": "string"
          },
          "fuzzy": {
            "default": false,
            "description": "Enable fuzzy matching",
            "type": "boolean"
          },
          "limit": {
            "default": 10,
            "description": "Max results (1-50)",
            "type": "integer"
          },
          "q": {
            "description": "Search query (min 2 chars)",
            "type": "string"
          }
        },
        "required": [
          "q"
        ],
        "type": "object"
      },
      "name": "search_words"
    },
    {
      "description": "Request a translation for supplied text and a target language. May use stored data or AI generation; language coverage and quality vary. Requires a Word Orb key and applicable plan entitlement; counts toward account quotas. Use lookup_words to inspect only existing translations.",
      "inputSchema": {
        "properties": {
          "input": {
            "description": "Word or text to translate",
            "type": "string"
          },
          "target_lang": {
            "default": "es",
            "description": "ISO language code (es, fr, de, zh, ja, etc.)",
            "type": "string"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      },
      "name": "translate_word"
    },
    {
      "description": "Retrieve the stored daily word and available fields. The selected word is shared for a given date. No API key is required; this is not a guarantee of content accuracy.",
      "inputSchema": {
        "properties": {
          "date": {
            "description": "ISO date (YYYY-MM-DD). Defaults to today.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "word_of_the_day"
    }
  ]
}

What the leaf hashes

{"body":"92e3ffd312f860eb915fa4b19e74a91008d2d85db6c77600dcedda6723c3ca4e","id":264743,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793034389988653,"prev":null,"subject":"c57b1ba9-a720-48da-b7d1-4ef746af107e","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. 0xbb6bf0386b6dca4c38056556c6ef59b684e3df080310f4888ad1583393c1aa31
2. 0x9c9a944bee4f9d92d79cbe53beaae7db8a3acbbc365d4c1c0af25fefdb0296d3
3. 0xd718d48fced924d7265554f084ac79e913b7d17c1fb1e632bdbb124fede79ccf
4. 0xf509b47ee77f9d0cb4751e3fe733b6317f2305ae52c6bfeb99735d45859af3ac
5. 0xb8bcdf0ca666e903dc3345515bf83b8e99613db07b5fd8f1a5dccc5fb509f688
6. 0x898777455ed0e7588c9592a54f6bd67423ce9841cd3863d65976f93ac4cf97df
7. 0x561124317fbdae8f91ea29a517bdbe420c0ddfa8421024b72ef6909fd95117b4
8. 0xd38bcc541571e2e9d56a526435fd2d89cd79b13b7191a255039210a5d5f1d3b2
9. 0x206a624728b19a5b5bd91707511c617a7ede1aff6dcfc2098707256c7658eea0
10. 0xbae474fb988c71d46b488892998702dab209a22890a406d07014d6a096000d33
11. 0x66ed746e8b7893417ecf36cd9e7178eac8d5a36914238191ee21e14d3aa57d8d
12. 0x571bf2cc487a35d2ef7662b375d1fa9179fe0f6cab6f6cebdb1a6113d25f3c92
13. 0xd5b5bb5812612371a70171b2252d90e95bb0581ea5a3be198122adc8442e4f79
14. 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae