Evidence row 2307531

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Pull the main colours out of an image (median cut). Returns hex codes plus a GIMP/Aseprite .gpl palette.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "colors": {
            "default": 8,
            "description": "How many colours to extract",
            "maximum": 64,
            "minimum": 2,
            "type": "integer"
          },
          "image_base64": {
            "description": "PNG or JPEG as base64 (or a data: URL), if there is no public URL",
            "type": "string"
          },
          "image_url": {
            "description": "Public http(s) URL of a PNG or JPEG (max 4 MB, 2048x2048)",
            "format": "uri",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "extract_palette"
    },
    {
      "description": "List the built-in pixel art palettes and their colours.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "list_palettes"
    },
    {
      "description": "Turn a photo or illustration into pixel art: shrink it to a pixel grid and reduce it to a few colours (or a named palette). Returns the PNG.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "colors": {
            "default": 16,
            "description": "Number of colours when no palette is given",
            "maximum": 64,
            "minimum": 2,
            "type": "integer"
          },
          "image_base64": {
            "description": "PNG or JPEG as base64 (or a data: URL), if there is no public URL",
            "type": "string"
          },
          "image_url": {
            "description": "Public http(s) URL of a PNG or JPEG (max 4 MB, 2048x2048)",
            "format": "uri",
            "type": "string"
          },
          "palette": {
            "description": "Palette name (pico-8, sweetie-16, endesga-32, game-boy, 1-bit) or hex colours like \"#1a1c2c,#5d275d\"",
            "type": "string"
          },
          "scale": {
            "default": 8,
            "description": "Nearest-neighbour upscale of the returned PNG, capped at 1024 px",
            "maximum": 32,
            "minimum": 1,
            "type": "integer"
          },
          "width": {
            "default": 64,
            "description": "Width of the pixel grid in pixels (height keeps the aspect ratio)",
            "maximum": 256,
            "minimum": 4,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "pixelate_image"
    },
    {
      "description": "Recolour an existing pixel art image so every pixel uses a colour from the given palette (e.g. PICO-8 or Game Boy). Size is kept. Returns the PNG.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "image_base64": {
            "description": "PNG or JPEG as base64 (or a data: URL), if there is no public URL",
            "type": "string"
          },
          "image_url": {
            "description": "Public http(s) URL of a PNG or JPEG (max 4 MB, 2048x2048)",
            "format": "uri",
            "type": "string"
          },
          "palette": {
            "description": "Palette name (pico-8, sweetie-16, endesga-32, game-boy, 1-bit) or hex colours like \"#1a1c2c,#5d275d\"",
            "type": "string"
          }
        },
        "required": [
          "palette"
        ],
        "type": "object"
      },
      "name": "remap_palette"
    },
    {
      "description": "Scale pixel art up by a whole number with nearest neighbour, so pixels stay sharp. Output is capped at 1024 px.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "image_base64": {
            "description": "PNG or JPEG as base64 (or a data: URL), if there is no public URL",
            "type": "string"
          },
          "image_url": {
            "description": "Public http(s) URL of a PNG or JPEG (max 4 MB, 2048x2048)",
            "format": "uri",
            "type": "string"
          },
          "scale": {
            "default": 8,
            "maximum": 64,
            "minimum": 2,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "upscale_pixel_art"
    }
  ]
}

What the leaf hashes

{"body":"6bc33cf0c7dda6f4e44564c08ba94482cd70c1d0b4c04f3bb40b34ebe59e971e","id":2307531,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793664995696932,"prev":null,"subject":"653b8cd8-fc58-4a26-987e-aada4af85086","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x38524686be1935d2d4129cc6d10d8d3899db2b4defe5e2bcf16e802d4ed175c7
2. 0x9aa78e0a391a1aff8a7eab61df66c90000501193594a1758ab518c02d4b513c5
3. 0x0c68ca497deba6edffbb3f95f74e3bcb936888fecb72c246c11ed2684b7f0931
4. 0xff1ab650b019683c4983e5bc1ce5c92285f5036d1b6e9f65f8603ff650eb9484
5. 0x5be8896c13b3be2630c141be3a238081f14c388be6551111af5b7b425e026c87
6. 0xd8bb4fdec1933bf3b82835223b9ebcdb5498e062e70a3159f3beb3c0820ee15b
7. 0xb5b05d626e36b43469b26ccc0462e9c9a9dc2674eb8336bf8c740135ca3981e3
8. 0xba468d95f4e085ccc83f1e31e121ae2bbaedf58cbc6ad07b682dc9a478e80344
9. 0x5a734847fc1dd27c29aa34c539a3926d6270b5254097345de5a027474e244d18
10. 0x1380369377d3231a568de1824f4ff5cf6e37189b8b140b696ae581dea87d2556
11. 0xd6527891a123a798c15b1d32f4f1284a6fcea1db136323708396ce1acec407e3
12. 0x3d491d5b32eb1e1c299a7c7dd81dcccdf16b08dcae13a6f0868ac0f3d565ee97
13. 0x4435d30c5484a03bc119547d2071d78d19849c42083678f1d6af8d6dd8f74a98
14. 0x58aed1257fcd4ee1c84710e1858bdde1ba134c86ed73f1f35a7aeaeacd9398e4
15. 0xb1fe1f6398b7faed977bc6cc75b0a8404ef5a6cb386ca30aebdb7450b7bb6dbe
16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7