Evidence row 1233560

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "PRO. Trial counts per year and most common co-listed conditions for a keyword — competitive landscape.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "keyword": {
            "type": "string"
          }
        },
        "required": [
          "keyword"
        ],
        "type": "object"
      },
      "name": "condition_landscape"
    },
    {
      "description": "PRO. Live detail for a protocol id: sponsor/manufacturer, drug products and study population.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "protocol_id": {
            "type": "number"
          }
        },
        "required": [
          "protocol_id"
        ],
        "type": "object"
      },
      "name": "trial_detail"
    },
    {
      "description": "FREE. Health Canada-authorised clinical trials for a condition or drug keyword — newest 5.",
      "inputSchema": {
        "properties": {
          "keyword": {
            "type": "string"
          }
        },
        "required": [
          "keyword"
        ],
        "type": "object"
      },
      "name": "trial_search"
    },
    {
      "description": "PRO. Up to 200 trials for a keyword, optionally started since a date.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "keyword": {
            "type": "string"
          },
          "since": {
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "trial_search_full"
    }
  ]
}

What the leaf hashes

{"body":"9b588d243f20aa4ebc90e1f1b9c9bd9b430183dc8db9adbe1b9eab685bae5495","id":1233560,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793347454236963,"prev":null,"subject":"734d5005-079d-4dac-8f85-a79df1a9161d","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0xb62562aa2cae2b8ad303f9b65ef98310cba6c4d9ac1f9bd51646827d60c33dd9
2. 0x2da5914226173a353cd50b42c95cdb483f49203b9cabef4c3be99191cd20bef1
3. 0x8868bf7ba9d1602e34c012ed5124e6c552f817050fe8fe9ea5de84b4b48181d3
4. 0xb982a85963aa57e48a0f98387155335ad7265a7fda9fe28357d9dd82b444507a
5. 0x802a8e8968203d831ad68b5c1bb42dc0b01b114cbfaddccdae840ff911909639
6. 0x4faaf6d59b0514c262adccf832d60c8daf80bbaf3ee70abaef4acd8a6099234b
7. 0x7c51420e072df52a0286875d48f08026f3bc3ddaef192e58d4c04c2cf92763a5
8. 0x1351ddd498b5b0ed667cf6e91b4e7dd700f00a2fac04da424719e6a519fd75ec
9. 0x2b4ab467dacd61d97bcf21e73d8029526528ce00c2661e73698a76f898eb3749
10. 0x487c865fbcb0d7f9fb113dcde5173f80a22041121ceba11949b794c4c65d4e5e
11. 0x40ebc91c42e796011975ed36119721b4aaeb6f47827a51bd9fceff174d2bfcfd
12. 0x82afd42380b9419da914e81b1a060e5a4afd7a64384d71a3041d840a811f646f
13. 0x5643b9288b814282552e201f88aaff802fe65d56312c6c392b831728b9fe829f
14. 0x4ac91605f15503f7d7aa9a25d4e54c100a1a62c26e93a7ed87049569e871a9a4
15. 0xa0b1f6bc1eecfaf70581673c1a7f638b96d1769a5c578c460337f7db0dbe963e
16. 0x0c59b8770d2782eb535aefbb9b2f6810bab4757f51b37e00f5147713a1de9481
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861