Evidence row 294784

What was observed

{
  "count": 13,
  "tools": [
    {
      "description": "AI Sound Reverb.",
      "inputSchema": {
        "properties": {
          "format": {
            "default": "mp3",
            "title": "Format",
            "type": "string"
          },
          "kwargs": {
            "title": "kwargs",
            "type": "string"
          },
          "preset": {
            "default": "studio_room",
            "title": "Preset",
            "type": "string"
          },
          "source_key": {
            "title": "Source Key",
            "type": "string"
          }
        },
        "required": [
          "source_key",
          "kwargs"
        ],
        "title": "apply_reverbArguments",
        "type": "object"
      },
      "name": "apply_reverb"
    },
    {
      "description": "Check if the SonicAura audio service is currently available.",
      "inputSchema": {
        "properties": {},
        "title": "check_service_statusArguments",
        "type": "object"
      },
      "name": "check_service_status"
    },
    {
      "description": "Check the status of a task. Just pass task_id. It auto-detects all generated tracks, MIDI, and chords.",
      "inputSchema": {
        "properties": {
          "kwargs": {
            "title": "kwargs",
            "type": "string"
          },
          "task_id": {
            "title": "Task Id",
            "type": "string"
          }
        },
        "required": [
          "task_id",
          "kwargs"
        ],
        "title": "check_task_statusArguments",
        "type": "object"
      },
      "name": "check_task_status"
    },
    {
      "description": "AI Sound Denoise. mode='music' or 'speech'.",
      "inputSchema": {
        "properties": {
          "format": {
            "default": "mp3",
            "title": "Format",
            "type": "string"
          },
          "kwargs": {
            "title": "kwargs",
            "type": "string"
          },
          "mode": {
            "default": "music",
            "title": "Mode",
            "type": "string"
          },
          "source_key": {
            "title": "Source Key",
            "type": "string"
          }
        },
        "required": [
          "source_key",
          "kwargs"
        ],
        "title": "denoise_audioArguments",
        "type": "object"
      },
      "name": "denoise_audio"
    },
    {
      "description": "AI MIDI Export.",
      "inputSchema": {
        "properties": {
          "instrument": {
            "title": "Instrument",
            "type": "string"
          },
          "kwargs": {
            "title": "kwargs",
            "type": "string"
          },
          "source_key": {
            "title": "Source Key",
            "type": "string"
          }
        },
        "required": [
          "source_key",
          "instrument",
          "kwargs"
        ],
        "title": "export_midiArguments",
        "type": "object"
      },
      "name": "export_midi"
    },
    {
      "description": "AI Chord Recognition.",
      "inputSchema": {
        "properties": {
          "kwargs": {
            "title": "kwargs",
            "type": "string"
          },
          "source_key": {
            "title": "Source Key",
            "type": "string"
          }
        },
        "required": [
          "source_key",
          "kwargs"
        ],
        "title": "extract_chordsArguments",
        "type": "object"
      },
      "name": "extract_chords"
    },
    {
      "description": "Quick Splitter: isolate a single instrument (e.g., guitar, piano).",
      "inputSchema": {
        "properties": {
          "format": {
            "default": "mp3",
            "title": "Format",
            "type": "string"
          },
          "instrument": {
            "title": "Instrument",
            "type": "string"
          },
          "kwargs": {
            "title": "kwargs",
            "type": "string"
          },
          "source_key": {
            "title": "Source Key",
            "type": "string"
          }
        },
        "required": [
          "source_key",
          "instrument",
          "kwargs"
        ],
        "title": "extract_single_instrumentArguments",
        "type": "object"
      },
      "name": "extract_single_instrument"
    },
    {
      "description": "Extract Vocals and Instrumental (2 Stems).",
      "inputSchema": {
        "properties": {
          "format": {
            "default": "mp3",
            "title": "Format",
            "type": "string"
          },
          "kwargs": {
            "title": "kwargs",
            "type": "string"
          },
          "source_key": {
            "title": "Source Key",
            "type": "string"
          }
        },
        "required": [
          "source_key",
          "kwargs"
        ],
        "title": "extract_vocalsArguments",
        "type": "object"
      },
      "name": "extract_vocals"
    },
    {
      "description": "Check the current user's remaining credits.",
      "inputSchema": {
        "properties": {},
        "title": "get_my_creditsArguments",
        "type": "object"
      },
      "name": "get_my_credits"
    },
    {
      "description": "Get a presigned URL to upload an audio file directly to R2 storage.",
      "inputSchema": {
        "properties": {
          "filename": {
            "title": "Filename",
            "type": "string"
          }
        },
        "required": [
          "filename"
        ],
        "title": "get_upload_urlArguments",
        "type": "object"
      },
      "name": "get_upload_url"
    },
    {
      "description": "List all audio processing capabilities offered by SonicAura.",
      "inputSchema": {
        "properties": {},
        "title": "list_audio_toolsArguments",
        "type": "object"
      },
      "name": "list_audio_tools"
    },
    {
      "description": "Split into 4 stems: vocals, drums, bass, other.",
      "inputSchema": {
        "properties": {
          "format": {
            "default": "mp3",
            "title": "Format",
            "type": "string"
          },
          "kwargs": {
            "title": "kwargs",
            "type": "string"
          },
          "source_key": {
            "title": "Source Key",
            "type": "string"
          }
        },
        "required": [
          "source_key",
          "kwargs"
        ],
        "title": "split_4stemsArguments",
        "type": "object"
      },
      "name": "split_4stems"
    },
    {
      "description": "Split into 6 stems: vocals, guitar, bass, drums, piano, other.",
      "inputSchema": {
        "properties": {
          "format": {
            "default": "mp3",
            "title": "Format",
            "type": "string"
          },
          "kwargs": {
            "title": "kwargs",
            "type": "string"
          },
          "source_key": {
            "title": "Source Key",
            "type": "string"
          }
        },
        "required": [
          "source_key",
          "kwargs"
        ],
        "title": "split_6stemsArguments",
        "type": "object"
      },
      "name": "split_6stems"
    }
  ]
}

What the leaf hashes

{"body":"6d651f7654a5a7b8c9ae1ed42e59455ca343fd86fdae6185b336797616482b4a","id":294784,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793050403978701,"prev":null,"subject":"46a53ea5-0871-47f4-ae98-6e0f06912ee0","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. 0x7079fb1bc5d324d123debc99c3c846faf7bc408e564ae5dd917bb45a36f7d8c8
2. 0xf3bca8709c72306554f342120e3240960c90e24a944d2e25272b515dd2eabd81
3. 0xe90478beb5d7d0e8737a21d58dcaf5f0076e1d46d9bb38beacb34ce7f8d9ead6
4. 0x483cb0a0f448cb211e34ea481962f0b5844ebfa431c737e72036ba6c148ef15e
5. 0xe3b5fd09fd9eed6b18c23cb19589673972b6982b77e90b0172b05b02518c0d3c
6. 0x42c667bda5ad790345dc5dbbb77947fb841a41dffc731ddce190f9ed21712589
7. 0x637423e9baf79fb8f5983c80c19614507ae9642236e34d8899d2b0b180b438ef
8. 0x03eba2f0befde58c94c66f2e768df4a8aa0568408d9b518b5856cdc863ed4bde
9. 0x32d4c61247489d4bffcd3bb78f5797a4c184b5cf7bd748c7188058b762f346c0
10. 0x3801dc224ee69349c6fe3a8804f83a6392c51dbf385196ccaca4e1bc01124391
11. 0x85ea4bbb5113622e4aa66d1805aad88594922ba95c70691ba980547dd9edd2b2
12. 0x5be1d69fd9353c3a75685caffea8c98e8f079f5072011c82517cc5f365ba32f8
13. 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae