Evidence row 1479886

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Flip a fair coin 1 to 100 times. The answer is a drawstoday.com link where the result is shown; the answer itself carries no result.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "count": {
            "default": 1,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "seed": {
            "description": "Optional. 64 hex characters. Give the seed shown on an earlier result page to get the same result again (that is how a draw is checked). Leave it out for a fresh draw.",
            "pattern": "^[0-9a-fA-F]{64}$",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "flip_coin"
    },
    {
      "description": "Pick 1 or more items from a list of up to 1000, each equally likely. Without repeats by default. The answer is a drawstoday.com link where the result is shown; the answer itself carries no result.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "count": {
            "default": 1,
            "maximum": 1000,
            "minimum": 1,
            "type": "integer"
          },
          "items": {
            "items": {
              "maxLength": 200,
              "type": "string"
            },
            "maxItems": 1000,
            "minItems": 1,
            "type": "array"
          },
          "seed": {
            "description": "Optional. 64 hex characters. Give the seed shown on an earlier result page to get the same result again (that is how a draw is checked). Leave it out for a fresh draw.",
            "pattern": "^[0-9a-fA-F]{64}$",
            "type": "string"
          },
          "unique": {
            "default": true,
            "type": "boolean"
          }
        },
        "required": [
          "items"
        ],
        "type": "object"
      },
      "name": "pick_from_list"
    },
    {
      "description": "A personal two-digit number from the Prismtect glass prism, for a user who asks for a lucky number, a number of their own or a number for today. Only a human touch can draw it, so this tool gives no number: it gives the link your user taps themselves. Pass the link on.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "prismtect_number"
    },
    {
      "description": "Integers from min to max inclusive, 1 to 1000 of them, with or without repeats. The range may hold at most 2^32 values. The answer is a drawstoday.com link where the result is shown; the answer itself carries no result.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "count": {
            "default": 1,
            "maximum": 1000,
            "minimum": 1,
            "type": "integer"
          },
          "max": {
            "type": "integer"
          },
          "min": {
            "type": "integer"
          },
          "seed": {
            "description": "Optional. 64 hex characters. Give the seed shown on an earlier result page to get the same result again (that is how a draw is checked). Leave it out for a fresh draw.",
            "pattern": "^[0-9a-fA-F]{64}$",
            "type": "string"
          },
          "unique": {
            "default": false,
            "type": "boolean"
          }
        },
        "required": [
          "min",
          "max"
        ],
        "type": "object"
      },
      "name": "random_integer"
    },
    {
      "description": "Roll 1 to 100 dice with 2 to 1000 sides each (default one six-sided die). The answer is a drawstoday.com link where the result is shown; the answer itself carries no result.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "count": {
            "default": 1,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "seed": {
            "description": "Optional. 64 hex characters. Give the seed shown on an earlier result page to get the same result again (that is how a draw is checked). Leave it out for a fresh draw.",
            "pattern": "^[0-9a-fA-F]{64}$",
            "type": "string"
          },
          "sides": {
            "default": 6,
            "maximum": 1000,
            "minimum": 2,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "roll_dice"
    },
    {
      "description": "Put up to 1000 items in a random order; every order is equally likely. The answer is a drawstoday.com link where the result is shown; the answer itself carries no result.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "items": {
            "items": {
              "maxLength": 200,
              "type": "string"
            },
            "maxItems": 1000,
            "minItems": 1,
            "type": "array"
          },
          "seed": {
            "description": "Optional. 64 hex characters. Give the seed shown on an earlier result page to get the same result again (that is how a draw is checked). Leave it out for a fresh draw.",
            "pattern": "^[0-9a-fA-F]{64}$",
            "type": "string"
          }
        },
        "required": [
          "items"
        ],
        "type": "object"
      },
      "name": "shuffle_list"
    }
  ]
}

What the leaf hashes

{"body":"4e10f35cc5dd360b24bd2232ecfbb67631751e7e21824d6bacaefdcf3c2f1f08","id":1479886,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793440831060198,"prev":null,"subject":"b1105e74-a05e-4818-b3ce-76a4f462dd02","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x692915811174245ad9042feadfd17d244b3a9ad200fe752c3c1f86bd56cbc4d4
2. 0x47bece5f926ccf0a6f2ac13b849e96340039835ffa41708c2fc049942d13d588
3. 0x9e3f22acb2fe8554dac636b5fd8d16782fa4668cc1b101353c319ef5cb7621f0
4. 0xfa6e799f0e25b0ffa938d99252c354ca4b5e08a25b8972d20973015d928922df
5. 0x3e90c16aa77bf00754fb76847c7d716a07a1949863d281a3b762fd863f82fce9
6. 0x08d48cf93ab9131584a40602e8ce52e92ba449e460a3eac8564886e387e691f4
7. 0xcb02ed44b5913c174f088cf75a851b8ef1c81488192e43c086dd42ccc18af0dd
8. 0xd72c270b8dbde35fe6cba929fa89001dbfb4172fc1781812826d6f034324d044
9. 0x112c9b2873b1ee140177f05371952434611b1cd986d57dd2746f897d6a3e3c86
10. 0x7271ced72f3984f89d9b140e82114434cf2692c74f8efa332059d2cdfa9ba869
11. 0xb6b956a1dc4423cb94d150e7e55038e528b4d1cce05e7c71d4d7e3226869cae3
12. 0x01c2f373fcf812c8345754eced0abeda6289cc15ddab9413281bc81eecd4d71e
13. 0x505b30d0d228fd70e562b7e7b87fcd2b0a915da70dfd94681a271d95ffbe404c
14. 0xac33b3310fc2d37a4e515e0c8775d4934592f3daaaf032bec47eccec8e01df31
15. 0xda82240eda32eeb01478d5898342fa15b35b5682549347c7a22660b37913617f
16. 0x919f237dec4df392868ab95f1d4300b185479ae64464cbc2e7385ad1fd6ab390
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0