Evidence row 772268

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Calculate the definite integral (signed area) or geometric\narea under a curve using Simpson's 1/3 rule.\nSupported functions: x, x^2, x^3, sin(x), cos(x), exp(x), sqrt(x).\n",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "function": {
            "description": "Function: x, x^2, x^3, sin(x), cos(x), exp(x), or sqrt(x)",
            "type": "string"
          },
          "geometricArea": {
            "description": "True for geometric area (integral of absolute value); false for signed integral",
            "type": "boolean"
          },
          "intervals": {
            "description": "Even number of subintervals, from 2 to 100000",
            "type": "integer"
          },
          "lowerLimit": {
            "description": "Lower integration limit",
            "type": "number"
          },
          "upperLimit": {
            "description": "Upper integration limit",
            "type": "number"
          }
        },
        "required": [
          "function",
          "lowerLimit",
          "upperLimit",
          "intervals",
          "geometricArea"
        ],
        "type": "object"
      },
      "name": "caclulus_area_under_curve"
    },
    {
      "description": "Multiply two integers using the Common-Base Multiplication Method: x=N+a, y=N+b, xy=N^2+N(a+b)+ab. Returns the chosen base, offsets, terms, and exact result.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "base": {
            "description": "Common base N. If omitted by a client, use a convenient nearby base such as a multiple of 10.",
            "type": "integer"
          },
          "x": {
            "description": "First integer",
            "type": "integer"
          },
          "y": {
            "description": "Second integer",
            "type": "integer"
          }
        },
        "required": [
          "x",
          "y",
          "base"
        ],
        "type": "object"
      },
      "name": "common_base_multiply"
    },
    {
      "description": "Generate a Java implementation of a supported mathematical algorithm. This returns fixed, reviewed templates and does not execute generated code.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "algorithm": {
            "description": "Algorithm identifier: gcd, is_prime, or factorial",
            "type": "string"
          }
        },
        "required": [
          "algorithm"
        ],
        "type": "object"
      },
      "name": "generate_java_algorithm"
    },
    {
      "description": "Check whether an integer is prime and return its prime factorization. Supports integers from -10^12 through 10^12; prime status is defined only for n >= 2.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "number": {
            "description": "Integer to analyze, from -1000000000000 to 1000000000000",
            "type": "integer"
          }
        },
        "required": [
          "number"
        ],
        "type": "object"
      },
      "name": "prime_analyze"
    }
  ]
}

What the leaf hashes

{"body":"def18c2fa60f54085a78bf05e9ec243cbcd7db891f7bd2d90c121f0b2def64b0","id":772268,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793193409411499,"prev":266748,"subject":"aa616b0c-d7c4-46a2-941d-359c9b7b7e60","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xc07f152418af47430f439e5ac75f330f25d1ef2110f97a40913b97e548994ff6
2. 0x2ee97d50fccf9b7f95b5c7efc6b73ef37040ae3216631ddbb757564c82e0139f
3. 0xf55284ec9331bb859b2f4ad32cbc7324f5dd42e522b74720c9cb9f5b17e2d801
4. 0xd7e3d66d53cd1b55a3f5479d8ef711d0e17eb63226352b180054399d25308e6f
5. 0x6aef40556543bb58dbf7d7f019c1bbf49ac2e9ea90005dc2b5c34baa24177c62
6. 0x2f872c8bf71c8c354a82d0cac95a0809057a854e6a5485d9e6924356d9754fed
7. 0x70d9daf3edd25104d30b61585e0ca7a6242d515f96c78ebc8172fa7d10ba3700
8. 0xdf274085221eb52740acd3c9e61e52107bea18830f66054ea69189cd02f8604e
9. 0x75907354c9051f3fe9db14a0b41207db6b0a1efccdc3916249c636a44f831f8b
10. 0x3550c4ae71d02682bef786f707172201022aa931ffd50120a1998229b9f383be
11. 0xfcbc04e794b9c7946372de1a3b649767792c2fda460c7df85debf4272b75f646
12. 0xa151bcc96a16db09121262404bbffa7eab73e12b12116641cb3e4397236d69f3
13. 0x4e311d836f53bce1d38273217ead32c9dfd4eac156e4e78fc865e52c86afda83
14. 0x4dedfee32d37ea3cdc60e339d676b411d314f945b00a30f8e3bd1e0470526cf9
15. 0xc21e7661f5d6220994a88cc71b1262eeee3b912a2d383d18f38a631c534bfd71
16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae