Evidence row 586761

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Fetch a record by CVE ID, GHSA ID, or KEVWire record ID, including every source, measurement date, CISA deadline, and a permalink.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "id": {
            "maxLength": 200,
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_record"
    },
    {
      "description": "Every source KEVWire ingests, with scope, limitations, retrieval status, last success, and record counts. Use this to describe coverage honestly.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_sources"
    },
    {
      "description": "Technology labels usable as filters, with how many records each covers. Optionally filter by text.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 100,
            "maximum": 500,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "maxLength": 120,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_technologies"
    },
    {
      "description": "Vulnerabilities with documented exploitation (CISA KEV or explicit reporting) published within the last N days, most urgent first.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "days": {
            "default": 30,
            "maximum": 365,
            "minimum": 1,
            "type": "integer"
          },
          "limit": {
            "default": 20,
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "recent_exploited"
    },
    {
      "description": "Search the KEVWire corpus (CISA KEV, NVD high/critical CVEs, GitHub advisories, national CERTs, security reporting, editorial records). Default order is \"urgent\": the last 30 days first, then known exploitation, CVSS 9+, breaches. Every result includes source URLs to cite.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "kind": {
            "enum": [
              "vulnerability",
              "breach",
              "advisory",
              "ai-research"
            ],
            "type": "string"
          },
          "known_exploited_only": {
            "description": "Only records in the CISA Known Exploited Vulnerabilities catalog.",
            "type": "boolean"
          },
          "limit": {
            "default": 10,
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "offset": {
            "default": 0,
            "maximum": 100000,
            "minimum": 0,
            "type": "integer"
          },
          "query": {
            "description": "Words to match, e.g. \"php rce\", a CVE ID, a product, or an event name like \"PHP2Shell\".",
            "maxLength": 500,
            "type": "string"
          },
          "sort": {
            "enum": [
              "urgent",
              "newest",
              "priority",
              "cvss",
              "epss"
            ],
            "type": "string"
          },
          "technologies": {
            "description": "Technology labels, e.g. [\"Microsoft Windows\", \"PHP\"]. Matches any.",
            "items": {
              "maxLength": 120,
              "type": "string"
            },
            "maxItems": 50,
            "type": "array"
          }
        },
        "type": "object"
      },
      "name": "search_vulnerabilities"
    }
  ]
}

What the leaf hashes

{"body":"cbec81647cda35423879d5f11049f006ca13a81bbfc74e4dba1730fd58a4077b","id":586761,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793147732479738,"prev":null,"subject":"5f113918-10a4-4f7c-8231-57c77c1ed299","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xd8f911b8d592fee7b8eb4c22fd27bc8597969b2f634a98c5201108f89f5d55ac
2. 0x55f35749b1fb32d113db7dc85c5bc7e3e2ca2d2f7c1dc3e3bf74d4be36b6ad39
3. 0xa7ce9f2831e859ae3a33f90e8975f6250cdd769ba13468347841e3818d733e01
4. 0xebaee0dda0f4c2e98b51139ade4575e2858ea0d2dafedbe8b5f60c388526151e
5. 0xd3174bbb9d5e7daa92a019309adf88e749960602525ee2d420922683599c8bb4
6. 0x9ef5f68025621ff027ce148775a863f07e9234c79947710477de0c8a9defa4be
7. 0xddd5976f9db552c2b84fecc5637ce86ebc6311f2664400456a20110dcbe7bb4e
8. 0x7d2e7d2469ce706066bd70a15f8dafb1704e39136806b5a606eb332ea4c6ba25
9. 0xa5456caddfe3d60a90a9d357e5370f8eef1f180582a6d6320b462552529169f1
10. 0xbdaa7ffe303e6fcd8d086ef2b55260df66c25c7bd49eed95862042610e097230
11. 0x8cc7878bb8be513b323281cf5b58de4f1d7048d3d41d9b185dddec47c3564758
12. 0xed9d37e957bb716a0d33a583ec62f34e409c2e192849ba62bdf9d0a1bc739dd1
13. 0x0ec75adbdda764cd96393994f2e5fc25831c6c05bfcdf872e01ed5389eb9261b
14. 0xf6b8c3d6b5a76cd63c41fa19fc59bcc627a6c650fd84130c55cbc9251f9ffdd9
15. 0x6d86d2282dd724b1b80d031e4e3cf9ed095b746e38c9e58d933efb597daff87f
16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae