Evidence row 302324

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "What this MCP server is, what each access tier includes, and how to obtain access. Call this first if you are unsure what the server offers, or after any tool refuses you — the refusal names a tier, and this tool explains what that tier costs and what it adds. Requires no credentials.",
      "inputSchema": {
        "properties": {},
        "required": [],
        "type": "object"
      },
      "name": "about_this_server"
    },
    {
      "description": "Retrieve one act by CELEX ID, Lex-Ray ID, nickname, or uk-/eu- prefix. 'meta' is the bibliographic record (titles, dates, Official Journal reference, EuroVoc concepts, amendments and relationships to other acts) and needs no credentials. 'data' adds the parsed legal content — recitals, articles, annexes, definitions — and 'full' adds the rendered HTML. Every level carries a currency block: the day the answer was computed for, the commencement state on that day, and which version of the act is in force. Every answer also carries `pending_amendments`: proposals that propose to amend this act, each labelled in_flight / concluded / unknown, stamped with the reading date it was resolved against. These are PROPOSED, not enacted — never quote one as law.",
      "inputSchema": {
        "properties": {
          "celex_id": {
            "description": "The CELEX ID, Lex-Ray ID, nickname, or jurisdiction-prefixed nickname (e.g., '32016R0679', 'FCA-TS-s140', 'gdpr', 'uk-gdpr')",
            "type": "string"
          },
          "detail": {
            "default": "meta",
            "description": "Level of detail: 'meta' (titles, dates, OJ reference, classifications)",
            "enum": [
              "meta"
            ],
            "type": "string"
          },
          "fetch_if_missing": {
            "default": false,
            "description": "Live fetch fallback: false only for this caller; unknown acts return structured not_found without an outbound EUR-Lex fetch",
            "enum": [
              false
            ],
            "type": "boolean"
          }
        },
        "required": [
          "celex_id"
        ],
        "type": "object"
      },
      "name": "get_legislation"
    },
    {
      "description": "Find EU legislation and UK legislation by keyword, acronym (GDPR, DORA, AIA), the common name practitioners use ('Market Abuse Regulation', 'MLRs', 'UK GDPR'), CELEX ID or Lex-Ray id. Matching is case-insensitive and an exact name ranks ahead of partial title matches. Returns an envelope whose 'matches' array carries the bibliographic record for each match — titles, id, jurisdiction (eu/uk), Official Journal reference, dates — plus a currency block giving the commencement state as at today, so a match that is expired or not yet applying says so rather than reading as current law. When several instruments share the exact name searched, 'ambiguous' is true and 'disambiguation' lists them: choose by jurisdiction and title rather than taking the first. When a curated common name settles it, 'preferred' names that act and 'alternatives' the others sharing the name. Use this to resolve a name to an id before calling the other tools. Requires no credentials.",
      "inputSchema": {
        "properties": {
          "limit": {
            "default": 10,
            "description": "Maximum number of results (1-50, default 10)",
            "type": "integer"
          },
          "query": {
            "description": "Search term - can be a keyword (e.g., 'artificial intelligence'), acronym (e.g., 'GDPR', 'AIA'), or CELEX ID (e.g., '32016R0679')",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_instruments"
    }
  ]
}

What the leaf hashes

{"body":"c0d44e47627771dbdeba5176dee85fae5d212f447b8e7fa9af200a5d43e330a1","id":302324,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793054609779534,"prev":null,"subject":"bb5fbca3-ec9b-4f1b-a6a5-4a056412ed1f","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. 0xae6b9aaa7bb44727ee7f37eb6e0859688822f7e494793b36a5adb33b1fccb208
2. 0xa75d7b46a3f7046180a73a02a5fc9486da7bdd85503310f4de23d40cfc4da468
3. 0x7092c41888b3e40a197d234a1fd96e7afcb2a187a96fad1fc0b271257e5397df
4. 0xb27582f0d6ba8e94fb0e2b408d482c2c40e8040748f9940dec73ca5c5995012d
5. 0xe839bce67b2db9b95ba72589bd05061d5324e09f7878d6b1f430db438209555c
6. 0x9443c5a528049f8ce6d821d72a7bf61fe381faf9f7b3d842a434e26e5c4383c9
7. 0x0b4d7ec296f64740bceb4ffff31268f4c5ed009221d1b02298a6ada4095378fd
8. 0x9cc2757463bcb205bec05a7ad6c2b0cb69e87b419f0bf620ec69c771055b404f
9. 0x0842d8c43250cebd4530846eeaffcf2aa2299fb599d085da998ee4163e96d607
10. 0xc5e28a96a833c7f6f25661bd128ed0a3708d099cd3594f653200c1fee17d99d4
11. 0x3ed84d9e7fe1a3a53a5614d97b48e393d726ca06109e83696375afe5ad01fd8f
12. 0x51f06c175a7c946ebe50ef243d6f9370a8fe85c996e53eff19ffcc4585ea8c18
13. 0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae