Evidence row 1233473

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "PRO. Search NDL by creator/author keyword.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "creator": {
            "type": "string"
          },
          "limit": {
            "type": "number"
          }
        },
        "required": [
          "creator"
        ],
        "type": "object"
      },
      "name": "creator_search"
    },
    {
      "description": "FREE. Search the National Diet Library catalogue by title keyword — top 3.",
      "inputSchema": {
        "properties": {
          "title": {
            "type": "string"
          }
        },
        "required": [
          "title"
        ],
        "type": "object"
      },
      "name": "library_search"
    },
    {
      "description": "PRO. Up to 20 NDL title search hits.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "limit": {
            "type": "number"
          },
          "title": {
            "type": "string"
          }
        },
        "required": [
          "title"
        ],
        "type": "object"
      },
      "name": "library_search_pro"
    }
  ]
}

What the leaf hashes

{"body":"cfd6fe58463e05cd9dfb60e844bcf1f471506cdec51142f20632fab4940307b7","id":1233473,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793347432972133,"prev":null,"subject":"b692c38f-9ff7-4526-a389-1626e3260286","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. 0x4be815f56abea804d330a22456d09ff9be61df1c04602934722e3bed9f80f387
2. 0xe3aaba0fdf6ad1dd66241b9ff8364b1911f7112cfb77595a93d0a7d7f9558e5a
3. 0x35413918fea3761257f3a15b1ce5d9d575bc9d97daa731ced7920a20a0f4aab0
4. 0x4f66c255c24bd3abc6990789cae879a7c050f14043743f0c3c19e5857cab7845
5. 0xeedf47a99ab7936b7dd822b3398f3a441fd911dc38f74aced8b1d482b38759f0
6. 0x6a07da9a83fd587f870f2ff8763a341599a4128ab9fce396ffb8a24ae792b119
7. 0x8880dd82fbe08f92376c5ed0ad108db2b9d6270ae4fcdcf7dd4ab9d5242d05be
8. 0x4b1c439ee83424b56b91e51c15c55e66c5b8e47a411da9f0006cb7a98f7363a3
9. 0x4f17dd7c99680bb1252bc31bc58eed959eb54b3be2b2c644f57b3922112b5feb
10. 0x7b48841a5443bb164c317a7e794f6f7e475f8aa8d4f07bee7a5a479e7e0e688b
11. 0x0de9b02a84a14ebd6172f6f2393596aab3218cc576d287b66eca97a7db40b2c6
12. 0xc1a9925f6a2afcf3cdaff51f8c62b7a434f58a65a6415c4fa6b12605d2f3d816
13. 0xec056ea330536f437d7c8a8262b1a5055dd234070d691d0d303dd85828fa5a4e
14. 0x9ace81ddbf101c81e3033efcaf62a4f4ad2b7dc0b97b61a7adf81117108ff2f7
15. 0xa937fac4496d1d79e24c5f12abd33388ef710185b9d82165d4b39af6bd434545
16. 0x910a91495535ac1a9e959d27d607e185616d2d41b45bc7071c6357f426f372d8
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861