Evidence row 1490102

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":1490102,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793456039429804,"prev":null,"subject":"f0424f39-a5f9-4780-9dcb-3decd074d4b0","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. 0xe7397a94aff3fa48f7b30b4e8683fe209f038f6362117ddbf91f8a15b447a460
2. 0x2891be2a920b2e2c9b341d161915a10af9501cda3875698b468bc6703b959508
3. 0xbfb64bbdd17de5a6a60cf53a058af5ba0284241e3969e4e0f0dedf28d94928f9
4. 0x6694361441b78cb8b112c0bd40f14cab11ab949908bf141c560d1afed17e1b3a
5. 0x30614d7cb9097ba33113993efb4f87efc0651cc0fff1d6ef049421bb80a6dbd7
6. 0xf80cc36a7fa4132b264aa1d6cf0ade30c79ed15b4b5d87b5c963ef138ff2f546
7. 0xcfe9a29b164e5ff9f80f895b958718b8c9a089693922518d1e89eeef3e6c4707
8. 0xd06b524d3e529dfa2e9982f60c52475487ebdfbe44fee1dd1002904a4c0e1af9
9. 0xf08b5e1a1daa6e7af17dc648a049ede58d6ca6f613fd1d98b624b95b2cd1a9e9
10. 0xb8fc7865825b04bea6d261b63ea01a110cd9130c84ce2dc7a57d2745d8a25c72
11. 0x7257b81342ef12d28fcb5ce9cf2acfab76a877e58467eba7ee16d4cf4c90a443
12. 0x3ec38ec9a65dff31e9ec1a312d29339fc9d7be9ef358dc5ddcd5b1784d5befd7
13. 0xd4b65d5af515a30b284ec3790e848bb7ec19fa9938dbbe183bd421f011c63ffc
14. 0xf22f9ef9bb9f7d07453a2e725850d2411b7d239162a33e78cd51370ffc94d2a1
15. 0x84bdb388a471b951dc5c0f9fd09df3197b8152707ec67daa668ab47102c8efc1
16. 0x24f03354dcb3a621317889ed99048bdf74b380516ca991bfb585c751d5cc7dfd
17. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0