Evidence row 567651

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Classify an AI system under the EU AI Act (Regulation (EU) 2024/1689): risk tier (prohibited/high_risk/limited/minimal) + Annex III category + binding Articles, grounded verbatim in the law. Use whenever asked if an AI system is high-risk/prohibited or what obligations apply.",
      "inputSchema": {
        "properties": {
          "description": {
            "description": "Plain-language description of the AI system.",
            "type": "string"
          },
          "language": {
            "default": "en",
            "type": "string"
          }
        },
        "required": [
          "description"
        ],
        "type": "object"
      },
      "name": "classify_ai_system"
    },
    {
      "description": "Canonical EU AI Act application dates (post Digital-Omnibus) + fine tiers.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_compliance_deadlines"
    },
    {
      "description": "Verbatim text of an original EU AI Act Article (1–113) or inserted Article 4a, 60a or 75a–75d.",
      "inputSchema": {
        "properties": {
          "language": {
            "default": "en",
            "type": "string"
          },
          "number": {
            "oneOf": [
              {
                "maximum": 113,
                "minimum": 1,
                "type": "integer"
              },
              {
                "enum": [
                  "4a",
                  "60a",
                  "75a",
                  "75b",
                  "75c",
                  "75d"
                ],
                "type": "string"
              }
            ]
          }
        },
        "required": [
          "number"
        ],
        "type": "object"
      },
      "name": "lookup_article"
    },
    {
      "description": "EU AI Act CO-PILOT review for builders: pass a feature, spec or behaviour you are about to ship and get a ship/caution/stop signal (OK / TRANSPARENCY / REVIEW REQUIRED / STOP), the binding Articles, the obligations that apply, red flags and concrete next steps — grounded verbatim in Regulation (EU) 2024/1689. Use proactively while designing or coding an AI feature, before it ships.",
      "inputSchema": {
        "properties": {
          "input": {
            "description": "The AI feature, spec or behaviour you are about to build/ship.",
            "type": "string"
          },
          "language": {
            "default": "en",
            "type": "string"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      },
      "name": "review_feature"
    },
    {
      "description": "Full-text search across the EU AI Act corpus (Articles, Recitals, Annexes).",
      "inputSchema": {
        "properties": {
          "language": {
            "default": "en",
            "type": "string"
          },
          "query": {
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_eu_ai_act"
    }
  ]
}

What the leaf hashes

{"body":"c17d4569d032aea5c09178779f1fad7bc2760755b8e6bafdf7f9313378416af9","id":567651,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138788648821,"prev":null,"subject":"412fd3ac-42f7-488f-abaf-e504ea7f9891","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xbf2a13efedee601ea44b9ef59b73d70db3120c5359efc91f83e6e46e6df4dcce
2. 0xa27297c1db66d0f86dbc6cb22d25ac0ea761aa4220d13f6df0b58fac4fc90bd8
3. 0xb0b8a6b1acccd3cf937dd837e1cdc6745da64a41d2ab77b54a8168644395531b
4. 0x9ac701d0a0b9bd40d7e84098726f69ae76020e1264be12862d53a9a12c3abb8c
5. 0x1863255d41c80f9b417ca899b797aff987e0bd78117d48330513eeed804f0b52
6. 0x8b68deb6fc3c257f1748674c4d54b902970d1dde2e58dbd34eebbe9797d01e3f
7. 0x9dc77ff01d77d7b61355fdcc5a427717b8806fd7f3065c2284d571ae9994cb08
8. 0x32f4607f354610c1ea4a8b0367187f80d49536e6137c19c158038f0e995cebb6
9. 0x1d2abe1b39c59cfe00c175ae7544e8e89eb261e4a9cf7de7244874a5422f9d48
10. 0x86357f633e841a288376a6df0063a5f89704dab7434fa21215987c80623236a0
11. 0xd56d79fc64fcae6a2e1352c41b43956079c13a181e210c5add0c9bcf961987ef
12. 0xa9bcdb8be937595e637058d98ed979d02cbac590262daa97def86c50ca63628b
13. 0xb4800af1fe2ae822adba5c087faf1dc0bc2d7c9de2e3e602a2b65aefc1d53c94
14. 0xa453d1738637a5c663802d07ce095aa340c80d53a4288ae277a72e265868ce4e
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4