Evidence row 209440

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Get the current status of a song job by job_id — a single check with no waiting. Returns the audio URLs if complete, an error if it failed, or 'processing' if still rendering.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "job_id": {
            "description": "The job_id returned by generate_song.",
            "type": "string"
          }
        },
        "required": [
          "job_id"
        ],
        "type": "object"
      },
      "name": "check_song"
    },
    {
      "description": "Start generating a song with Suno. Returns immediately with a job_id — a full render takes 1-3 minutes, so this does NOT return audio. After calling this, call wait_for_song with the returned job_id to get the audio URL when ready. Costs 10 tokens, billed only on success.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "custom": {
            "description": "false (default): describe the song and Suno writes everything. true: `prompt` is the literal lyrics, and `tags`/`title` are used.",
            "type": "boolean"
          },
          "idempotency_key": {
            "description": "Optional logical-request id. Reuse it to recover one submit; use a new value to intentionally generate the same song again or retry after a terminal failed job. When omitted, Tunova derives a stable key from the song arguments for safe automatic retries.",
            "maxLength": 128,
            "minLength": 1,
            "type": "string"
          },
          "instrumental": {
            "description": "If true, generate without vocals.",
            "type": "boolean"
          },
          "model": {
            "description": "Suno model: v6, or v5.5 as a compatibility alias for v6. Optional; the account default is unchanged.",
            "enum": [
              "v6",
              "v5.5"
            ],
            "type": "string"
          },
          "prompt": {
            "description": "What the song should be about (simple mode), or the exact lyrics (when custom=true).",
            "type": "string"
          },
          "tags": {
            "description": "Style/genre, e.g. 'lofi hip hop, mellow, rainy'. Most useful in custom mode.",
            "type": "string"
          },
          "title": {
            "description": "Song title (custom mode).",
            "type": "string"
          }
        },
        "required": [
          "prompt"
        ],
        "type": "object"
      },
      "name": "generate_song"
    },
    {
      "description": "Wait for a song job to finish and return the audio when ready. Polls server-side for up to ~45 seconds. If the song is ready, returns the clips with audio URLs. If it is still rendering, returns its status so you can call wait_for_song again with the same job_id. Safe to call repeatedly — it only reads status, never starts a new song.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "job_id": {
            "description": "The job_id returned by generate_song.",
            "type": "string"
          },
          "max_wait_seconds": {
            "description": "How long to wait before returning (default 45, max 55).",
            "type": "number"
          }
        },
        "required": [
          "job_id"
        ],
        "type": "object"
      },
      "name": "wait_for_song"
    }
  ]
}

What the leaf hashes

{"body":"4e1c950a3e57e009dd573c03f88dd5d70db87296e7793b614f9e2da54156dc50","id":209440,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793026436986260,"prev":null,"subject":"b5b41695-c73d-49af-9704-cb9bfa07dd37","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. 0x935f537f2df8c05a9aadb55fa558e28e2c20dd01476f9f7592fdf35d7393e3ad
2. 0x8d3e06a83e69df23f286d3c862a161fc5da7c22ad12ab03d8148ee6e635b5ae0
3. 0x6d2360d4529d3b4264b41ffa5b35664ad2badf3444e8d0629edd1cd5bf7e28bf
4. 0x2347cc43d9e6577311dad6c2218df40309a11667c1ca8399e3457f12f8ee97f0
5. 0xc9da233c7228ca99a44434dfa38c06d3c0223fff8883d5a47a4a23ce0d07c8a4
6. 0xb076fb637169303638a44a83b575cd22a2b283e9b243c835c85aa3df801564f6
7. 0xe8bc303fe0de8f95b676ea58a82e41a5a4608a9789f605b58ca29bce87e8e528
8. 0x1cd847d00ecae0984b35e2c5ab01596ecf23b5f777d8e6890ef8f3257f537714
9. 0xf3ab634627a7a54eacde9afbed8150aecbe38beaacdc19ab2b3baf5b8ef3d60c
10. 0x578356ff984cd9d8af7804ab292b224cedc3adc7906f706cb4393c7f03af33b7
11. 0xdcd590752acb338329aec3087ddc69ef4b8fcbe0bb91a9b8e37e17c10a9dfe92
12. 0x3b55f6d5345bce3e1332e014f19526d25328fb6283d3518837a015c3621c0d1c
13. 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae