Evidence row 570537

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Read and agent-enrich an existing public scan report by id; no new target request or model call.",
      "inputSchema": {
        "properties": {
          "report_id": {
            "pattern": "^[0-9a-f]{16}$",
            "title": "Report Id",
            "type": "string"
          }
        },
        "required": [
          "report_id"
        ],
        "title": "get_selection_reportArguments",
        "type": "object"
      },
      "name": "get_selection_report"
    },
    {
      "description": "Create a free public report of MCP tool-description routing collisions.\n\n    Reads discovery metadata (initialize/tools/list) only; never calls target business\n    tools or spends funds. Use a public HTTP(S) URL without credentials, query or fragment.\n    Results use at most 12 tools and 24 generated cases, not a real-model evaluation.\n    The returned report is enriched with agent_plan candidate description-only edits and\n    a machine-readable rerun instruction. Candidate edits are not untouched-holdout proof.\n    Reports persist and are public by link. For an existing report use get_selection_report.\n    Set internal_test=true for owner/CI validation so it is excluded from public scans.\n    source is a self-reported referral bucket, not identity verification.\n    ",
      "inputSchema": {
        "properties": {
          "internal_test": {
            "default": false,
            "title": "Internal Test",
            "type": "boolean"
          },
          "mcp_url": {
            "maxLength": 2048,
            "minLength": 8,
            "title": "Mcp Url",
            "type": "string"
          },
          "source": {
            "default": "other",
            "maxLength": 32,
            "title": "Source",
            "type": "string"
          }
        },
        "required": [
          "mcp_url"
        ],
        "title": "scan_mcp_metadataArguments",
        "type": "object"
      },
      "name": "scan_mcp_metadata"
    },
    {
      "description": "Get free service capabilities, limits, privacy and connection details; does not scan a target.",
      "inputSchema": {
        "properties": {},
        "title": "selection_lab_infoArguments",
        "type": "object"
      },
      "name": "selection_lab_info"
    }
  ]
}

What the leaf hashes

{"body":"5fdd5ef7e64814845112a200e21ab9fece1df18bf8a40f6ee754ac9401865a5c","id":570537,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793139822719981,"prev":null,"subject":"11410aea-f711-4046-b9b3-94d04d91046f","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. 0x2563552c2aafa511596bb69eb206c0ce34e883b611e42ae7267e5fa7aa39c9f7
2. 0xec1a116be004c60c31b69529679c775123555067edf9f3cd69a90e6a256191a8
3. 0x50b85d1797818c086a0e7b841c147b527c19b72c52583f0bf3aeb605a0167613
4. 0x2c6417c725e60995dedba4673d23f55372266c4761efeffb0d53c162dd3002cc
5. 0x4a5608aac2109afa4ec52dffe69c06d66291d000455f0adccc17eb23563b100b
6. 0x1d001a314f9a55eb63c97e991842f6527acf02f781dc449469b581c72b58d8af
7. 0x4a995b4eb57232f35893cb9d55522b34ca38273479556e36f495c58af82ff843
8. 0x7503307f603741d192f1d570ec7994dbe8ff3efe70a3e942bd6d92044028941d
9. 0x0ee06665618878296455ba51f120c80c2fe7fc87d8ecf2430f6dcbfff7d31488
10. 0x093785ab0a816550f292f169f75fec391c16bd3d86deac07d7bf317be34ac41f
11. 0x17a5d8a0d619389b23b9c7065a443f140dfd86a50ae32f665f667aeeb0d62b5c
12. 0x442ef05dbe7931d22c60e72d459fdb2874e7d0eab89c16f41f0a865bf55610d6
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