Evidence row 220469

What was observed

{
  "count": 8,
  "tools": [
    {
      "description": "Cancel an async transcript job and refund unprocessed videos.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "job_id": {
            "description": "Transcript job ID.",
            "type": "string"
          }
        },
        "required": [
          "job_id"
        ],
        "type": "object"
      },
      "name": "cancel_job"
    },
    {
      "description": "Return metadata for a YouTube channel before starting a job.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "channel": {
            "description": "Handle, name, or ID.",
            "type": "string"
          }
        },
        "required": [
          "channel"
        ],
        "type": "object"
      },
      "name": "get_channel_info"
    },
    {
      "description": "Return the ZIP download URL for a completed job.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "job_id": {
            "description": "Transcript job ID.",
            "type": "string"
          }
        },
        "required": [
          "job_id"
        ],
        "type": "object"
      },
      "name": "get_download_url"
    },
    {
      "description": "Poll an async transcript job and get a download URL when ready.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "job_id": {
            "description": "Transcript job ID.",
            "type": "string"
          }
        },
        "required": [
          "job_id"
        ],
        "type": "object"
      },
      "name": "get_job_status"
    },
    {
      "description": "Return the transcript for a single YouTube video URL or ID.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "include_timestamps": {
            "default": false,
            "description": "Include transcript timestamps.",
            "type": "boolean"
          },
          "video_url": {
            "description": "YouTube video URL or video ID.",
            "type": "string"
          }
        },
        "required": [
          "video_url"
        ],
        "type": "object"
      },
      "name": "get_transcript"
    },
    {
      "description": "List a YouTube channel's videos with duration metadata, in the order channel jobs use (long-form, then Shorts, then livestreams; newest first). limit=N previews what start_channel_job with max_videos=N downloads; has_more tells if the channel has more.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "channel": {
            "description": "Handle, name, or ID.",
            "type": "string"
          },
          "limit": {
            "default": 100,
            "description": "Maximum videos to return.",
            "maximum": 2000,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "channel"
        ],
        "type": "object"
      },
      "name": "list_channel_videos"
    },
    {
      "description": "Start an async job that downloads channel transcripts.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "channel": {
            "description": "Handle, name, or ID.",
            "type": "string"
          },
          "concatenate_all": {
            "default": false,
            "type": "boolean"
          },
          "include_timestamps": {
            "default": false,
            "type": "boolean"
          },
          "max_videos": {
            "description": "Optional maximum videos to process.",
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "channel"
        ],
        "type": "object"
      },
      "name": "start_channel_job"
    },
    {
      "description": "Start an async job that downloads playlist transcripts.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "concatenate_all": {
            "default": false,
            "type": "boolean"
          },
          "include_timestamps": {
            "default": false,
            "type": "boolean"
          },
          "max_videos": {
            "description": "Optional maximum videos to process.",
            "minimum": 1,
            "type": "integer"
          },
          "playlist": {
            "description": "YouTube playlist URL or ID.",
            "type": "string"
          }
        },
        "required": [
          "playlist"
        ],
        "type": "object"
      },
      "name": "start_playlist_job"
    }
  ]
}

What the leaf hashes

{"body":"aa80c2e47658719ed4e007053e4121b81849c0971a3f41d87b0a3edeb5c0a8d0","id":220469,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793026688538069,"prev":null,"subject":"bf56bf73-c307-4cde-9ab1-56a8d9016e0f","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. 0xa4d119c0083578ba6aa9758857dbe9130a981e0e9b0021c4148c75d6b558f8e9
2. 0x9bc1490a51a7fb6f58029f15ce0fc5887ff267755ea7b9a7070e9ca3580b8c87
3. 0xf9c8d039089330d771c764ea000102afbe1edd7e8587f43cff247abaf569095d
4. 0xcf830964581014ad79a2c23ffeab3c242c204d4a93022022fc93098be6554bde
5. 0xd841abd6f459d5e8e667c2dc855aa88c090e676243903b3344c3bc28faa79b1f
6. 0xa447dbab71de7c5e2f5f52bc17003e5390cbefe9ef272464c56fbedec11c84c1
7. 0x2ed0669b62f34a0e0973a6bafbe5f3766b3cb20f5fbfaaf3a8a7962278285f49
8. 0x8a9e2b18c08c0cccd74c5bb9d1daeef40f04f15b3a77d0ddebb89f86e7bd3b8d
9. 0xaf4f5950fc8347a659fee6088d45f2ef59c1da8b5fc558e16afa3a5361e2b8b0
10. 0xff31bd0889dd2264a5f9e7437500931910fa5f036a5cb362c19a635234298956
11. 0x63bb18928b05af339d3db18a674ec04120f1a31736f638d4e101d735122f8380
12. 0x21725c62783071369e87d9e0abedb3d8cc37bdab8d0d58308c28aeb7cfd2bc8c
13. 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae