Evidence row 307985

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Explain who operates melb.si, its services and data policy, using the publisher's own information.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "about_melbsi"
    },
    {
      "description": "Find curated Australian small business AI rules and guidance; preserve confirmed versus inferred status, sources and checked dates.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "lang": {
            "default": "both",
            "description": "Response language; source links and checked dates are preserved.",
            "enum": [
              "en",
              "zh",
              "both"
            ],
            "type": "string"
          },
          "query": {
            "description": "Case-insensitive English or Chinese substring or space-separated words.",
            "maxLength": 300,
            "minLength": 1,
            "type": "string"
          },
          "topic": {
            "description": "Exact topic identifier, for example privacy or ai-policy.",
            "maxLength": 300,
            "minLength": 1,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "au_small_business_ai_rules"
    },
    {
      "description": "List upcoming Melbourne AI events from today in Melbourne or a later date, with sources and checked dates.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "from": {
            "description": "Calendar date in YYYY-MM-DD format.",
            "format": "date",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "lang": {
            "default": "both",
            "description": "Response language; source links and checked dates are preserved.",
            "enum": [
              "en",
              "zh",
              "both"
            ],
            "type": "string"
          },
          "to": {
            "description": "Calendar date in YYYY-MM-DD format.",
            "format": "date",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "melbourne_ai_events"
    },
    {
      "description": "Answer everyday questions about living in or visiting Melbourne and Victoria (tap water, myki and trams, parking signs, tipping, rental bonds, emergency numbers, licences and more). Returns up to five checked answers, ranked by English word or Chinese substring matches in questions, aliases and answers, with official sources and checked dates.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "lang": {
            "default": "both",
            "description": "Response language; source links and checked dates are preserved.",
            "enum": [
              "en",
              "zh",
              "both"
            ],
            "type": "string"
          },
          "query": {
            "description": "Required question or keywords; English words or Chinese substrings, searched in questions, aliases and answers.",
            "maxLength": 300,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "melbourne_everyday_question"
    },
    {
      "description": "Find curated AI training and assistance for Victorian small businesses, including eligibility, cost, sources and checked dates.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "lang": {
            "default": "both",
            "description": "Response language; source links and checked dates are preserved.",
            "enum": [
              "en",
              "zh",
              "both"
            ],
            "type": "string"
          },
          "query": {
            "description": "Case-insensitive English or Chinese substring or space-separated words.",
            "maxLength": 300,
            "minLength": 1,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "vic_ai_help_for_small_business"
    },
    {
      "description": "Find Victorian public holidays by year or exact date, with official sources and checked dates; uncovered years are unknown.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "date": {
            "description": "Calendar date in YYYY-MM-DD format.",
            "format": "date",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "year": {
            "description": "Four-digit year.",
            "maximum": 9999,
            "minimum": 1900,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "vic_public_holidays"
    }
  ]
}

What the leaf hashes

{"body":"b6067d297851e7ca856bd8f9be2457525a1bf8ba071710fcbf4843910bcd91f1","id":307985,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793057999234723,"prev":null,"subject":"db7ffacf-5ac8-46fe-afb3-f22e247a7c6b","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. 0xc3bae69ba25a12206ea51efe9d8380140799b70acbef13aee8b2bf3ef1a46994
2. 0x810c8e96a11ce1b6971bec25c710b8f4c7aea0f86bf1927c5919fdc302b96caa
3. 0xab7f27fff56003f9b12baa259e597c548c489eb5186ae77981df31f86cadeef2
4. 0x68429277458c75b0e49fdc1637ebe98960411264b7c741b58b7f39ce8224dff9
5. 0x2ea9d221bd19939e8547c3ac7a3085b6a187de39c7d26ebb1619be9287a88123
6. 0x56155e86e7ad2c76a28b8886a2a95ba62c41b83601f919c0ed00a877c441c98d
7. 0x29c593e4c49f8384a933c68aea1e67f9f6570517792ebcd93ee13743ec2efa6b
8. 0xa45140a07efa8e0d6b73ae56aa23668014e03423e05b4fa671858de8b785d10a
9. 0xd54294e9745a9b26aa751765de1ee81a844406593071839918b48893a0fd4175
10. 0xa56ccac8e5b8ffc81639f6fab8bcfeedbdbd26e42c2be18a450206dc53044b78
11. 0x2cd92a66ffb802d7ebc327d20fe07925be80289ee1c2910e6818dc40c67f2487
12. 0x63002f2569d43725bbf2d04d90ec9e6cf925c96b6dda5e7e220ecfbdd9c2444d
13. 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae