Evidence row 561889

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Turns a script into a hand-drawn Alpy video narrated by an AI voice. The script is the spoken narration only, 110-2700 words (write it first with write_youtube_script if needed). Returns a video id; poll get_video every minute or so. Confirm the creator authorizes spending their existing minutes before calling. A creator with enough video minutes gets the full video straight away, which spends those minutes; otherwise their one free 10-second preview is made first. At most 10 a day. Needs a connected Alpy account or an Alpy API key.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "captions": {
            "default": false,
            "description": "Burn captions into the video. Cannot be removed afterwards.",
            "type": "boolean"
          },
          "character_id": {
            "description": "A character id from list_characters.",
            "format": "uuid",
            "type": "string"
          },
          "character_source": {
            "default": "alpy",
            "description": "Where that character is from, as list_characters says.",
            "enum": [
              "alpy",
              "saved"
            ],
            "type": "string"
          },
          "script": {
            "description": "The narration, exactly as it should be spoken.",
            "maxLength": 40000,
            "minLength": 1,
            "type": "string"
          },
          "tone": {
            "default": "explainer",
            "description": "Delivery id from list_characters.",
            "enum": [
              "explainer",
              "calm",
              "story",
              "hype"
            ],
            "type": "string"
          },
          "voice": {
            "default": "ash",
            "description": "AI voice id from list_characters.",
            "enum": [
              "ash",
              "coral",
              "onyx",
              "sage",
              "nova",
              "ballad"
            ],
            "type": "string"
          }
        },
        "required": [
          "script",
          "character_id"
        ],
        "type": "object"
      },
      "name": "create_video"
    },
    {
      "description": "Where a video is: its status, progress, and, once made, links to the free preview and the finished video (valid for an hour). Says what to do next. Needs a connected Alpy account or an Alpy API key.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "id": {
            "description": "The id create_video returned.",
            "format": "uuid",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_video"
    },
    {
      "description": "The characters an Alpy video can be drawn with: Alpy's own cast, and the creator's saved characters. Pass a character's id and source to create_video. Needs a connected Alpy account or an Alpy API key.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "list_characters"
    },
    {
      "description": "The creator's most recent Alpy videos, newest first, with their status. Needs a connected Alpy account or an Alpy API key.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 10,
            "description": "How many videos, newest first (1-25).",
            "maximum": 25,
            "minimum": 1,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "list_videos"
    },
    {
      "description": "After the free preview, makes the whole video. Spends the creator's video minutes (one per started minute of video), so confirm with them first. If they lack minutes it reports that the feature is unavailable. Needs a connected Alpy account or an Alpy API key.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "id": {
            "description": "The video id.",
            "format": "uuid",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "make_full_video"
    },
    {
      "description": "Start here for any Alpy script. Returns Alpy's YouTube scriptwriting brief, which you then follow to write the script yourself. Pass whichever of topic, length, character and tone the creator has already given; the brief asks for the rest. Reads nothing and changes nothing.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "character": {
            "description": "Narrating character: Hamster / Raccoon / Penguin / Bear / Frog / Cat / Monkey / Duck / Fox / Owl / Turtle / Rabbit / Stickman / Classic Stickman / Ancient Stickman / Gorilla / Capybara / Dog / Shark / Robot / Scientist Stickman / Detective Stickman / Astronaut Stickman / Knight Stickman / Office Worker Stickman / Philosopher Stickman / Survivor Stickman / Hacker Stickman / King Stickman / Pirate Stickman / Doctor Stickman / Student Stickman / Wizard Stickman / Old Man Stickman / custom / none.",
            "maxLength": 200,
            "type": "string"
          },
          "length": {
            "description": "Spoken length: 30s / 1m / 3m / 5m / 8m / 10m.",
            "maxLength": 20,
            "type": "string"
          },
          "tone": {
            "description": "Tone: funny / viral / educational / storytelling / serious / choose for me.",
            "maxLength": 50,
            "type": "string"
          },
          "topic": {
            "description": "What the video is about, if the creator has said.",
            "maxLength": 2000,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "write_youtube_script"
    }
  ]
}

What the leaf hashes

{"body":"bf22339f3d581bdd9f14439f4d1c447ec3741ca38bea76c552080f8d290b1516","id":561889,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793137272694943,"prev":null,"subject":"555d2715-e6fc-43b4-ab6f-0af4d974583f","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. 0x4b85255cb2d362a6a2210027f2c36d0e37c2626dbdd0cf76d45006bc11e74fbf
2. 0x1d01e57cf4c038edf9e1eafa2d02bb5c225c2022a26ce3d033079517c3edf589
3. 0x908268ecbc8b0e502753f7f8c27911f5ce7112c44f62e86aa91100b4e7ae49e9
4. 0xceb204be24a9b7880d322e177a555de35f41b3806037017b70b20593da1ca048
5. 0x30d2bbd360abfb455a114aebc89d08a6653fd16325708a5ae4b23b12219ebbf0
6. 0x4ec40bd121843feba52bf1256361c5b1a5470b5fea5c7167672f551c3fd95651
7. 0x7dee9f0a1b1e32b3d2ab5b0f732511c64dca88213a48c496c3ef93f51336a32c
8. 0xe3c340e49636e3783c9e5895be6f48463253846b586dfae91ade6a120d3047ad
9. 0x59f002c318f9c598193a1b20bf12ae0ade406aebd0b0267fed933e139739c95a
10. 0xc5c8c1cab44dcac92464fe5056ed0cd782b104eaed78c431f44ecca1467a48a1
11. 0x5b15539a9e45c30d985cffa0f43853909d4e3a207bff9b6e3e35303e52a3c2d2
12. 0xf5ad7dee20c9ad48ff75cc443e6c6ae3a718321f07b826d581afdb243e59305f
13. 0x150dc531eedad3837a4be47dd0bf1a84bf98feb63216c125982425fda525a3fd
14. 0x80ede9e5d428e39db26928b1d08254ff1241f1d7e091fd2e57130fbb4423162b
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4