Evidence row 263781

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Auto-route query across all datasets. Best for ambiguous searches (e.g. 'lithium battery', '无人机').",
      "inputSchema": {
        "properties": {
          "keyword": {
            "title": "Keyword",
            "type": "string"
          },
          "limit": {
            "default": 10,
            "title": "Limit",
            "type": "integer"
          }
        },
        "required": [
          "keyword"
        ],
        "title": "query_anyArguments",
        "type": "object"
      },
      "name": "query_any"
    },
    {
      "description": "Search dual-use items & technologies: license catalogue (2026, HS-based) AND export control list (ECCN-coded, performance-threshold-based). Use HS code, ECCN code (e.g. 1C351), or technical description.",
      "inputSchema": {
        "properties": {
          "keyword": {
            "title": "Keyword",
            "type": "string"
          },
          "limit": {
            "default": 10,
            "title": "Limit",
            "type": "integer"
          }
        },
        "required": [
          "keyword"
        ],
        "title": "query_dualuseArguments",
        "type": "object"
      },
      "name": "query_dualuse"
    },
    {
      "description": "Search export control / sanctions entity lists (merged across lists). Use company or individual name.",
      "inputSchema": {
        "properties": {
          "keyword": {
            "title": "Keyword",
            "type": "string"
          },
          "limit": {
            "default": 10,
            "title": "Limit",
            "type": "integer"
          }
        },
        "required": [
          "keyword"
        ],
        "title": "query_entityArguments",
        "type": "object"
      },
      "name": "query_entity"
    },
    {
      "description": "Search FTA product-specific rules of origin (25 agreements incl. RCEP, ASEAN, Korea) by HS code or product keyword.",
      "inputSchema": {
        "properties": {
          "keyword": {
            "title": "Keyword",
            "type": "string"
          },
          "limit": {
            "default": 10,
            "title": "Limit",
            "type": "integer"
          }
        },
        "required": [
          "keyword"
        ],
        "title": "query_fta_originArguments",
        "type": "object"
      },
      "name": "query_fta_origin"
    },
    {
      "description": "Search prohibited import/export goods catalogues (all batches) by keyword or HS code.",
      "inputSchema": {
        "properties": {
          "keyword": {
            "title": "Keyword",
            "type": "string"
          },
          "limit": {
            "default": 10,
            "title": "Limit",
            "type": "integer"
          }
        },
        "required": [
          "keyword"
        ],
        "title": "query_prohibitedArguments",
        "type": "object"
      },
      "name": "query_prohibited"
    },
    {
      "description": "Search China 2026 import tariff schedule by HS code or keyword. Returns MFN/provisional/agreement/preferential/general rates. dataset optional.",
      "inputSchema": {
        "properties": {
          "keyword": {
            "title": "Keyword",
            "type": "string"
          },
          "limit": {
            "default": 10,
            "title": "Limit",
            "type": "integer"
          }
        },
        "required": [
          "keyword"
        ],
        "title": "query_tariffArguments",
        "type": "object"
      },
      "name": "query_tariff"
    }
  ]
}

What the leaf hashes

{"body":"37066677a5567c1ec0d3d92d3b3dfe664f8dcd29b1f9a29d2ff836326c480319","id":263781,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793033689518661,"prev":null,"subject":"5a2d9160-ba1a-4bc8-aea9-fbafd2e1622d","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xbef6141f402458c61537ceb1dd84a99021aa8c9f8ea1499f0f2784898897f6b4
2. 0x4f4b0a48773160ffda70ed7109655f41671f99a4f5041477d46025ea75c5f5c9
3. 0xe31ed19227669ff53f6260c38983ca259c47550aa7008e08c9cde499da8b20bc
4. 0x02884f4ff32fdf5c545075872bb08b114e884e3c55e37a42e8eb3ce430e391ef
5. 0xacdae84ee972367821639ccebca36e61a7fc9e45ff690554184176a365cb61ef
6. 0x618b1ae86198e148043d3afd43ea0bf624c1cc5248b8e68aac2e68077204713b
7. 0x72a059f0c004f53103db7b7dfa531abc4059259b120632853edca6325a0a2aaa
8. 0x5da62d2ff906c688162e49cfa4bc52e395ad907f66b4ed6dd1aa427faeb0d611
9. 0x9256e1cced21980ce963d76c45e282793b4c006b22bce6775e9d2eb3e8e04993
10. 0x48d04da54de88082e11aa43e473de1dfd941bdfb166e542aa1c13b29e3d7754a
11. 0x0decbdcd600e934c38d679c1b99f27ba6676644e856ed6ba36bca74feb432866
12. 0xc520305226daa0caf1c2416854f726ec072c950c1903497b2a1e88b0c6f406da
13. 0x96eae331a78c1c9248bc58130ff83d31b884760a51fe7191de2a39105ae7c072
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae