Evidence row 579069

What was observed

{
  "count": 14,
  "tools": [
    {
      "description": "Create an image generation task (text-to-image, or image-to-image when image_urls are provided). Pro/Ultra flagship models (GPT Image 2, GPT Image 2.5, Nano Banana 2, Grok Imagine) and Ultra ViewMax C1 cost 0 credits within the shared daily fair-use pool; otherwise this consumes credits. Call wait_for_task with the task_id for the result URLs.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "aspect_ratio": {
            "type": "string"
          },
          "idempotency_key": {
            "description": "Optional, 1-200 visible ASCII characters without spaces. Reuse the same key when retrying after a timeout; a repeated key returns the original task and is not charged again.",
            "pattern": "^[\\x21-\\x7e]{1,200}$",
            "type": "string"
          },
          "image_urls": {
            "items": {
              "format": "uri",
              "type": "string"
            },
            "type": "array"
          },
          "model": {
            "minLength": 1,
            "type": "string"
          },
          "prompt": {
            "minLength": 1,
            "type": "string"
          },
          "quality": {
            "type": "string"
          },
          "scene": {
            "type": "string"
          }
        },
        "required": [
          "model",
          "prompt"
        ],
        "type": "object"
      },
      "name": "generate_image"
    },
    {
      "description": "Create an original music track from a text prompt. Costs 60 credits for tracks up to 60 seconds, then 1 credit per second (duration_seconds defaults to 60); plan allowances do not cover music. Setting style sends prompt as the song's lyrics, so do not also send lyrics; to describe a track, put the description in prompt and omit style. Music renders synchronously: the result usually returns immediately with output_urls.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "duration_seconds": {
            "maximum": 300,
            "minimum": 3,
            "type": "number"
          },
          "idempotency_key": {
            "description": "Optional, 1-200 visible ASCII characters without spaces. Reuse the same key when retrying after a timeout; a repeated key returns the original task and is not charged again.",
            "pattern": "^[\\x21-\\x7e]{1,200}$",
            "type": "string"
          },
          "instrumental": {
            "type": "boolean"
          },
          "lyrics": {
            "type": "string"
          },
          "prompt": {
            "minLength": 1,
            "type": "string"
          },
          "style": {
            "type": "string"
          }
        },
        "required": [
          "prompt"
        ],
        "type": "object"
      },
      "name": "generate_music"
    },
    {
      "description": "Generate a sound effect from a text prompt of at most 450 Unicode characters. Costs 5 credits. Renders synchronously: the result usually returns immediately with output_urls.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "duration_seconds": {
            "maximum": 22,
            "minimum": 0.5,
            "type": "number"
          },
          "idempotency_key": {
            "description": "Optional, 1-200 visible ASCII characters without spaces. Reuse the same key when retrying after a timeout; a repeated key returns the original task and is not charged again.",
            "pattern": "^[\\x21-\\x7e]{1,200}$",
            "type": "string"
          },
          "prompt": {
            "description": "Sound effect description, at most 450 Unicode characters.",
            "minLength": 1,
            "type": "string"
          },
          "prompt_influence": {
            "maximum": 1,
            "minimum": 0,
            "type": "number"
          }
        },
        "required": [
          "prompt"
        ],
        "type": "object"
      },
      "name": "generate_sound_effect"
    },
    {
      "description": "Convert text to speech with a selected voice_id (see list_voices). Costs ceil(characters / 20) credits, minimum 1. Speech renders synchronously: the result usually returns immediately with output_urls.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "idempotency_key": {
            "description": "Optional, 1-200 visible ASCII characters without spaces. Reuse the same key when retrying after a timeout; a repeated key returns the original task and is not charged again.",
            "pattern": "^[\\x21-\\x7e]{1,200}$",
            "type": "string"
          },
          "model_id": {
            "type": "string"
          },
          "similarity_boost": {
            "maximum": 1,
            "minimum": 0,
            "type": "number"
          },
          "speed": {
            "maximum": 4,
            "minimum": 0.25,
            "type": "number"
          },
          "stability": {
            "maximum": 1,
            "minimum": 0,
            "type": "number"
          },
          "text": {
            "minLength": 1,
            "type": "string"
          },
          "voice_id": {
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "text",
          "voice_id"
        ],
        "type": "object"
      },
      "name": "generate_speech"
    },
    {
      "description": "Create a video generation task and return its task_id. mode defaults to image-to-video when image_urls are given, else video-to-video when video_urls are given, else text-to-video. Omitted duration, resolution and aspect_ratio use the mode's defaults from get_video_model and are billed at those values. Ultra ViewMax C1 generations cost 0 credits within the daily fair-use pool (also via REST API); otherwise this consumes credits from the authenticated ViewMax account. Call wait_for_task with the task_id until it finishes.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "aspect_ratio": {
            "type": "string"
          },
          "audio": {
            "type": "boolean"
          },
          "duration": {
            "type": "string"
          },
          "idempotency_key": {
            "description": "Optional, 1-200 visible ASCII characters without spaces. Reuse the same key when retrying after a timeout; a repeated key returns the original task and is not charged again.",
            "pattern": "^[\\x21-\\x7e]{1,200}$",
            "type": "string"
          },
          "image_urls": {
            "items": {
              "format": "uri",
              "type": "string"
            },
            "type": "array"
          },
          "mode": {
            "type": "string"
          },
          "model": {
            "minLength": 1,
            "type": "string"
          },
          "prompt": {
            "minLength": 1,
            "type": "string"
          },
          "resolution": {
            "type": "string"
          },
          "source_video_duration_seconds": {
            "exclusiveMinimum": 0,
            "type": "number"
          },
          "video_urls": {
            "items": {
              "format": "uri",
              "type": "string"
            },
            "type": "array"
          }
        },
        "required": [
          "model",
          "prompt"
        ],
        "type": "object"
      },
      "name": "generate_video"
    },
    {
      "description": "Get the authenticated account's remaining credits. Generation consumes credits.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_credits"
    },
    {
      "description": "Get full capabilities and credit pricing for one image model. Generating an image with this model consumes credits.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "model": {
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "model"
        ],
        "type": "object"
      },
      "name": "get_image_model"
    },
    {
      "description": "Get the current status, output URLs and cost_credits for one of the authenticated user's tasks (video, image, music, or audio). Failed and canceled tasks include error_code and error_message; their credits are refunded automatically.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "task_id": {
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "task_id"
        ],
        "type": "object"
      },
      "name": "get_task"
    },
    {
      "description": "Get full capabilities and credit pricing for one video model. Each mode lists durations, resolutions, aspect_ratios, audio_toggle, credits, and defaults: the duration, resolution and aspect_ratio that generate_video sends and bills when you omit them. max_prompt_length is present when the model limits prompt length. Generating a video with this model consumes credits.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "model": {
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "model"
        ],
        "type": "object"
      },
      "name": "get_video_model"
    },
    {
      "description": "List available image models with their modes (text-to-image, image-to-image), aspect ratios, qualities, and credit labels. Image generation consumes credits.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_image_models"
    },
    {
      "description": "List available music models and their controls (duration, instrumental) and credit cost. Music costs 60 credits for tracks up to 60 seconds, then 1 credit per second.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_music_models"
    },
    {
      "description": "List available video models and their capabilities. Video generation consumes credits; use get_video_model for detailed pricing and the values used when options are omitted.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_video_models"
    },
    {
      "description": "List available text-to-speech voices (id, name, gender, accent, language) and speech pricing: characters_per_credit and minimum_credits. A generation costs ceil(characters / 20) credits, minimum 1.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_voices"
    },
    {
      "description": "Wait up to timeout_seconds (1-50, default 45) for a task and return its latest status in the get_task shape. Some videos take several minutes: keep calling wait_for_task until status is success, failed, or canceled. Task results are persisted and never lost.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "task_id": {
            "minLength": 1,
            "type": "string"
          },
          "timeout_seconds": {
            "default": 45,
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "task_id"
        ],
        "type": "object"
      },
      "name": "wait_for_task"
    }
  ]
}

What the leaf hashes

{"body":"ae64b7e9adaae97f8211583ac3ae2fb8500b286ce27198786c23cb1f2d1c870f","id":579069,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793143286132683,"prev":null,"subject":"a4312ad8-4629-4f1a-b384-42b525570569","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. 0xb6e2fb76acd98a9abfac3661cdf72bcf3de89b3b47b8e124b72e407da082041e
2. 0x44b9dbf1d9de2470d01c6434e026c78fb6d4b7186be65cb32f6a06736333fe8c
3. 0x0542364e6fed6263cd15c2310a231a5fc299038507f05f215b4cb933a647232e
4. 0xfa587d2fb2ac97361c299596fcdea3b05f4d27b339a5ff3222a817129cc0f9df
5. 0xcaf13fee6912ad3018dd5252cde2a6ae9b31da8b948c4360bdb4005413a2f120
6. 0x6b0133318ac74d845b244e415c7ed825e23e8326638b77859b6de31cc50be247
7. 0x03d60c5b21fc9f8a742095e1d732afab297e693fc5ae19020e4e803b54cc049f
8. 0x3995474a37e8dfedb8aa6480cd5a07d1729415a112f13ecb05d6d5d865c94b99
9. 0x0b5e89fc3db236bd7a6e08fbdb939c3f28f0540f2d36c1f89ef889fc268bf565
10. 0x08847adec0c12f434c3afbbbadf344f212c741f7aedb8dd984840b54565a0905
11. 0x0bd5c4ee0536ff6471a0f1a8676a731f2caf5d42f515ae40fa5d82310634e537
12. 0xdc4af1861bcc27178db9854c119413a3d8acb113ca467e0eb6c0cadd8a60ba5d
13. 0xdb8e341e9690aa686b29432c7b868b3859fb692c3ae3a679b8bc1219ebe3a597
14. 0x87cb8935612c40b569de008a9bf8218cd24a06f74a7364a1654613d972fe00ed
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4