Evidence row 571886

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Read static help without an MCP Token, model call or credit charge. All help topics are available. Returns topic, steps, examples, documentation/setup links and versions. Account, billing and generation topics describe authenticated operations; they do not read personal data or execute work. Anonymous execution is limited to list_models, help and public prompts.",
      "inputSchema": {
        "properties": {
          "topic": {
            "description": "Help topic; omit for the capability matrix.",
            "enum": [
              "quickstart",
              "generate",
              "derive",
              "enhance",
              "reverse",
              "compare",
              "models",
              "async_batch",
              "prompts",
              "account",
              "billing",
              "tasks",
              "examples",
              "update",
              "troubleshooting"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "help"
    },
    {
      "description": "Read the public image-model catalog. Returns scope, accountAuthorization=not_evaluated, models (id, status=listed, offers with parameters and public credit prices), pricingSource and visibleCount. priceSemantics=public_sale_exact; prices retain three decimals, free offers are zero and missing pricing is explicit. Listed configuration does not guarantee account access or capacity, and generation preview confirms the final charge. The full toolset requires your valid MCP Token.",
      "inputSchema": {
        "properties": {
          "includeUnavailable": {
            "description": "With models:read, false (default) lists callable account models; true also includes unavailable public models. Anonymous or missing-scope requests return only public catalog data; neither value grants access.",
            "type": "boolean"
          }
        },
        "type": "object"
      },
      "name": "list_models"
    },
    {
      "description": "Read public prompts without an MCP Token, model call or credit charge. search (default) queries published, reviewed system recommendations; get reads a currently public detail by the id returned from search. scope must be omitted or recommended; mine, favorites and private data remain authenticated. Returns scope, accountAuthorization=not_evaluated, action and list (items/pagination) or item (original text/public link). Never generates, syncs, evaluates or rewrites prompts.",
      "inputSchema": {
        "properties": {
          "action": {
            "description": "search lists cases; get reads one full prompt. Default search.",
            "enum": [
              "search",
              "get"
            ],
            "type": "string"
          },
          "category": {
            "description": "Optional category filter.",
            "type": "string"
          },
          "group": {
            "description": "Optional group filter.",
            "type": "string"
          },
          "id": {
            "description": "Prompt ID returned by search; required for get.",
            "type": "string"
          },
          "keyword": {
            "description": "Optional search text.",
            "type": "string"
          },
          "page": {
            "description": "Search page, starting at 1.",
            "type": "integer"
          },
          "pageSize": {
            "description": "Results per page; default 5, maximum 20.",
            "type": "integer"
          },
          "scope": {
            "description": "Recommended public cases or this authenticated user's own prompts.",
            "enum": [
              "recommended"
            ],
            "type": "string"
          },
          "tags": {
            "description": "Optional tag filters.",
            "items": {
              "description": "Prompt tag.",
              "type": "string"
            },
            "type": "array"
          }
        },
        "type": "object"
      },
      "name": "prompts"
    }
  ]
}

What the leaf hashes

{"body":"a10aef1140644f2b3fdc50f446ddb4440283e6ff699d74ea781406eaadf17145","id":571886,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793140463164651,"prev":null,"subject":"b8e935c1-6cc9-4b52-ab2a-387dd1d13ce1","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. 0x232a927fe3cf326e68977121a9c00ea536ac8ac2835bbce00daa4b4965a0dd3e
2. 0x0c2dd5b50738dc8dc97950a197305d4810cfda282110ea2ae57fd1fe0da73f6b
3. 0x617d025e54943afa15f4ea94e565b47396a660c7439e8903585959e6fc2eb543
4. 0x163a2894fa511ab54789afe81d231f0df50ee2a9637ac3cdcdc53a32a1019e90
5. 0xaf33310ecc4fbfc3ad88866dd4966968fa40a64523aa778862420f659b220462
6. 0x329cfe5fd8b5cfb1b114943b8a7459beb43fe39267bc2aafa143d61778b7da3b
7. 0xe6a92801adfd9a5ada7b6f2d8e35dcae984badba1f228c9b6c90c688d424fe78
8. 0x1c2fdc340cb3886a3cc78fd557a6906eb90f4f40305e51fc624c26e909050053
9. 0x984f9b507d8e66f43eb6afe9335377b15395ec1b85439f3025b4185a9ffeed50
10. 0xe20c761752fcbe4d77ffeae4e8817bba3f58bf0d1a36b873502f39e5ed70dade
11. 0x111fd232396ead40450b60675620e12353358cd4516d410bf17aab840d3d4c3f
12. 0x1e91fb86942396b9cc1330407cbddfe6048e98bde8c739e6cb5545d04c5cadd7
13. 0x1a710d4f8e6092d584b581d8599ff9183c0008f9275cf0601c925b43b4e84ae6
14. 0xe8ee6f6ed50253c5ee2d1aa85a4b1a38ce94bca7f3b72fd1850f496152dbe285
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4